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Stones, Bones, Groans, and Moans: Could This Be Primary Hyperparathyroidism?
This transcript has been edited for clarity.
Matthew F. Watto, MD: Welcome back to The Curbsiders. I’m Dr Matthew Frank Watto, here with my great friend and America’s primary care physician, Dr. Paul Nelson Williams.
Paul, we’re going to talk about our primary hyperparathyroidism podcast with Dr. Lindsay Kuo. It’s a topic that I feel much more clear on now.
Now, Paul, in primary care, you see a lot of calcium that is just slightly high. Can we just blame that on thiazide diuretics?
Paul N. Williams, MD: It’s a place to start. As you’re starting to think about the possible etiologies, primary hyperparathyroidism and malignancy are the two that roll right off the tongue, but it is worth going back to the patient’s medication list and making sure you’re not missing something.
Thiazides famously cause hypercalcemia, but in some of the reading I did for this episode, they may just uncover it a little bit early. Patients who are on thiazides who become hypercalcemic seem to go on to develop primary hyperthyroidism anyway. So I don’t think you can solely blame the thiazide.
Another medication that can be causative is lithium. So a good place to look first after you’ve repeated the labs and confirmed hypercalcemia is the patient’s medication list.
Dr. Watto: We’ve talked before about the basic workup for hypercalcemia, and determining whether it’s PTH dependent or PTH independent. On the podcast, we talk more about the full workup, but I wanted to talk about the classic symptoms. Our expert made the point that we don’t see them as much anymore, although we do see kidney stones. People used to present very late in the disease because they weren’t having labs done routinely.
The classic symptoms include osteoporosis and bone tumors. People can get nephrocalcinosis and kidney stones. I hadn’t really thought of it this way because we’re used to diagnosing it early now. Do you feel the same?
Dr. Williams: As labs have started routinely reporting calcium levels, this is more and more often how it’s picked up. The other aspect is that as we are screening for and finding osteoporosis, part of the workup almost always involves getting a parathyroid hormone and a calcium level. We’re seeing these lab abnormalities before we’re seeing symptoms, which is good.
But it also makes things more diagnostically thorny.
Dr. Watto: Dr. Lindsay Kuo made the point that when she sees patients before and after surgery, she’s aware of these nonclassic symptoms — the stones, bones, groans, and the psychiatric overtones that can be anything from fatigue or irritability to dysphoria.
Some people have a generalized weakness that’s very nonspecific. Dr. Kuo said that sometimes these symptoms will disappear after surgery. The patients may just have gotten used to them, or they thought these symptoms were caused by something else, but after surgery they went away.
There are these nonclassic symptoms that are harder to pin down. I was surprised by that.
Dr. Williams: She mentioned polydipsia and polyuria, which have been reported in other studies. It seems like it can be anything. You have to take a good history, but none of those things in and of themselves is an indication for operating unless the patient has the classic renal or bone manifestations.
Dr. Watto: The other thing we talked about is a normal calcium level in a patient with primary hyperparathyroidism, or the finding of a PTH level in the normal range but with a high calcium level that is inappropriate. Can you talk a little bit about those two situations?
Dr. Williams: They’re hard to say but kind of easy to manage because you treat them the same way as someone who has elevated calcium and PTH levels.
The normocalcemic patient is something we might stumble across with osteoporosis screening. Initially the calcium level is elevated, so you repeat it and it’s normal but with an elevated PTH level. You’re like, shoot. Now what?
It turns out that most endocrine surgeons say that the indications for surgery for the classic form of primary hyperparathyroidism apply to these patients as well, and it probably helps with the bone outcomes, which is one of the things they follow most closely. If you have hypercalcemia, you should have a suppressed PTH level, the so-called normohormonal hyperparathyroidism, which is not normal at all. So even if the PTH is in the normal range, it’s still relatively elevated compared with what it should be. That situation is treated in the same way as the classic elevated PTH and elevated calcium levels.
Dr. Watto: If the calcium is abnormal and the PTH is not quite what you’d expect it to be, you can always ask your friendly neighborhood endocrinologist to help you figure out whether the patient really has one of these conditions. You have to make sure that they don’t have a simple secondary cause like a low vitamin D level. In that case, you fix the vitamin D and then recheck the numbers to see if they’ve normalized. But I have found a bunch of these edge cases in which it has been helpful to confer with an endocrinologist, especially before you send someone to a surgeon to take out their parathyroid gland.
This was a really fantastic conversation. If you want to hear the full podcast episode, click here.
Dr. Watto, Clinical Assistant Professor, Department of Medicine, Perelman School of Medicine at University of Pennsylvania; Internist, Department of Medicine, Hospital Medicine Section, Pennsylvania Hospital, Philadelphia, Pennsylvania, has disclosed no relevant financial relationships. Dr. Williams, Associate Professor of Clinical Medicine, Department of General Internal Medicine, Lewis Katz School of Medicine; Staff Physician, Department of General Internal Medicine, Temple Internal Medicine Associates, Philadelphia, Pennsylvania, served as a director, officer, partner, employee, adviser, consultant, or trustee for The Curbsiders, and has received income in an amount equal to or greater than $250 from The Curbsiders.
A version of this article first appeared on Medscape.com.
This transcript has been edited for clarity.
Matthew F. Watto, MD: Welcome back to The Curbsiders. I’m Dr Matthew Frank Watto, here with my great friend and America’s primary care physician, Dr. Paul Nelson Williams.
Paul, we’re going to talk about our primary hyperparathyroidism podcast with Dr. Lindsay Kuo. It’s a topic that I feel much more clear on now.
Now, Paul, in primary care, you see a lot of calcium that is just slightly high. Can we just blame that on thiazide diuretics?
Paul N. Williams, MD: It’s a place to start. As you’re starting to think about the possible etiologies, primary hyperparathyroidism and malignancy are the two that roll right off the tongue, but it is worth going back to the patient’s medication list and making sure you’re not missing something.
Thiazides famously cause hypercalcemia, but in some of the reading I did for this episode, they may just uncover it a little bit early. Patients who are on thiazides who become hypercalcemic seem to go on to develop primary hyperthyroidism anyway. So I don’t think you can solely blame the thiazide.
Another medication that can be causative is lithium. So a good place to look first after you’ve repeated the labs and confirmed hypercalcemia is the patient’s medication list.
Dr. Watto: We’ve talked before about the basic workup for hypercalcemia, and determining whether it’s PTH dependent or PTH independent. On the podcast, we talk more about the full workup, but I wanted to talk about the classic symptoms. Our expert made the point that we don’t see them as much anymore, although we do see kidney stones. People used to present very late in the disease because they weren’t having labs done routinely.
The classic symptoms include osteoporosis and bone tumors. People can get nephrocalcinosis and kidney stones. I hadn’t really thought of it this way because we’re used to diagnosing it early now. Do you feel the same?
Dr. Williams: As labs have started routinely reporting calcium levels, this is more and more often how it’s picked up. The other aspect is that as we are screening for and finding osteoporosis, part of the workup almost always involves getting a parathyroid hormone and a calcium level. We’re seeing these lab abnormalities before we’re seeing symptoms, which is good.
But it also makes things more diagnostically thorny.
Dr. Watto: Dr. Lindsay Kuo made the point that when she sees patients before and after surgery, she’s aware of these nonclassic symptoms — the stones, bones, groans, and the psychiatric overtones that can be anything from fatigue or irritability to dysphoria.
Some people have a generalized weakness that’s very nonspecific. Dr. Kuo said that sometimes these symptoms will disappear after surgery. The patients may just have gotten used to them, or they thought these symptoms were caused by something else, but after surgery they went away.
There are these nonclassic symptoms that are harder to pin down. I was surprised by that.
Dr. Williams: She mentioned polydipsia and polyuria, which have been reported in other studies. It seems like it can be anything. You have to take a good history, but none of those things in and of themselves is an indication for operating unless the patient has the classic renal or bone manifestations.
Dr. Watto: The other thing we talked about is a normal calcium level in a patient with primary hyperparathyroidism, or the finding of a PTH level in the normal range but with a high calcium level that is inappropriate. Can you talk a little bit about those two situations?
Dr. Williams: They’re hard to say but kind of easy to manage because you treat them the same way as someone who has elevated calcium and PTH levels.
The normocalcemic patient is something we might stumble across with osteoporosis screening. Initially the calcium level is elevated, so you repeat it and it’s normal but with an elevated PTH level. You’re like, shoot. Now what?
It turns out that most endocrine surgeons say that the indications for surgery for the classic form of primary hyperparathyroidism apply to these patients as well, and it probably helps with the bone outcomes, which is one of the things they follow most closely. If you have hypercalcemia, you should have a suppressed PTH level, the so-called normohormonal hyperparathyroidism, which is not normal at all. So even if the PTH is in the normal range, it’s still relatively elevated compared with what it should be. That situation is treated in the same way as the classic elevated PTH and elevated calcium levels.
Dr. Watto: If the calcium is abnormal and the PTH is not quite what you’d expect it to be, you can always ask your friendly neighborhood endocrinologist to help you figure out whether the patient really has one of these conditions. You have to make sure that they don’t have a simple secondary cause like a low vitamin D level. In that case, you fix the vitamin D and then recheck the numbers to see if they’ve normalized. But I have found a bunch of these edge cases in which it has been helpful to confer with an endocrinologist, especially before you send someone to a surgeon to take out their parathyroid gland.
This was a really fantastic conversation. If you want to hear the full podcast episode, click here.
Dr. Watto, Clinical Assistant Professor, Department of Medicine, Perelman School of Medicine at University of Pennsylvania; Internist, Department of Medicine, Hospital Medicine Section, Pennsylvania Hospital, Philadelphia, Pennsylvania, has disclosed no relevant financial relationships. Dr. Williams, Associate Professor of Clinical Medicine, Department of General Internal Medicine, Lewis Katz School of Medicine; Staff Physician, Department of General Internal Medicine, Temple Internal Medicine Associates, Philadelphia, Pennsylvania, served as a director, officer, partner, employee, adviser, consultant, or trustee for The Curbsiders, and has received income in an amount equal to or greater than $250 from The Curbsiders.
A version of this article first appeared on Medscape.com.
This transcript has been edited for clarity.
Matthew F. Watto, MD: Welcome back to The Curbsiders. I’m Dr Matthew Frank Watto, here with my great friend and America’s primary care physician, Dr. Paul Nelson Williams.
Paul, we’re going to talk about our primary hyperparathyroidism podcast with Dr. Lindsay Kuo. It’s a topic that I feel much more clear on now.
Now, Paul, in primary care, you see a lot of calcium that is just slightly high. Can we just blame that on thiazide diuretics?
Paul N. Williams, MD: It’s a place to start. As you’re starting to think about the possible etiologies, primary hyperparathyroidism and malignancy are the two that roll right off the tongue, but it is worth going back to the patient’s medication list and making sure you’re not missing something.
Thiazides famously cause hypercalcemia, but in some of the reading I did for this episode, they may just uncover it a little bit early. Patients who are on thiazides who become hypercalcemic seem to go on to develop primary hyperthyroidism anyway. So I don’t think you can solely blame the thiazide.
Another medication that can be causative is lithium. So a good place to look first after you’ve repeated the labs and confirmed hypercalcemia is the patient’s medication list.
Dr. Watto: We’ve talked before about the basic workup for hypercalcemia, and determining whether it’s PTH dependent or PTH independent. On the podcast, we talk more about the full workup, but I wanted to talk about the classic symptoms. Our expert made the point that we don’t see them as much anymore, although we do see kidney stones. People used to present very late in the disease because they weren’t having labs done routinely.
The classic symptoms include osteoporosis and bone tumors. People can get nephrocalcinosis and kidney stones. I hadn’t really thought of it this way because we’re used to diagnosing it early now. Do you feel the same?
Dr. Williams: As labs have started routinely reporting calcium levels, this is more and more often how it’s picked up. The other aspect is that as we are screening for and finding osteoporosis, part of the workup almost always involves getting a parathyroid hormone and a calcium level. We’re seeing these lab abnormalities before we’re seeing symptoms, which is good.
But it also makes things more diagnostically thorny.
Dr. Watto: Dr. Lindsay Kuo made the point that when she sees patients before and after surgery, she’s aware of these nonclassic symptoms — the stones, bones, groans, and the psychiatric overtones that can be anything from fatigue or irritability to dysphoria.
Some people have a generalized weakness that’s very nonspecific. Dr. Kuo said that sometimes these symptoms will disappear after surgery. The patients may just have gotten used to them, or they thought these symptoms were caused by something else, but after surgery they went away.
There are these nonclassic symptoms that are harder to pin down. I was surprised by that.
Dr. Williams: She mentioned polydipsia and polyuria, which have been reported in other studies. It seems like it can be anything. You have to take a good history, but none of those things in and of themselves is an indication for operating unless the patient has the classic renal or bone manifestations.
Dr. Watto: The other thing we talked about is a normal calcium level in a patient with primary hyperparathyroidism, or the finding of a PTH level in the normal range but with a high calcium level that is inappropriate. Can you talk a little bit about those two situations?
Dr. Williams: They’re hard to say but kind of easy to manage because you treat them the same way as someone who has elevated calcium and PTH levels.
The normocalcemic patient is something we might stumble across with osteoporosis screening. Initially the calcium level is elevated, so you repeat it and it’s normal but with an elevated PTH level. You’re like, shoot. Now what?
It turns out that most endocrine surgeons say that the indications for surgery for the classic form of primary hyperparathyroidism apply to these patients as well, and it probably helps with the bone outcomes, which is one of the things they follow most closely. If you have hypercalcemia, you should have a suppressed PTH level, the so-called normohormonal hyperparathyroidism, which is not normal at all. So even if the PTH is in the normal range, it’s still relatively elevated compared with what it should be. That situation is treated in the same way as the classic elevated PTH and elevated calcium levels.
Dr. Watto: If the calcium is abnormal and the PTH is not quite what you’d expect it to be, you can always ask your friendly neighborhood endocrinologist to help you figure out whether the patient really has one of these conditions. You have to make sure that they don’t have a simple secondary cause like a low vitamin D level. In that case, you fix the vitamin D and then recheck the numbers to see if they’ve normalized. But I have found a bunch of these edge cases in which it has been helpful to confer with an endocrinologist, especially before you send someone to a surgeon to take out their parathyroid gland.
This was a really fantastic conversation. If you want to hear the full podcast episode, click here.
Dr. Watto, Clinical Assistant Professor, Department of Medicine, Perelman School of Medicine at University of Pennsylvania; Internist, Department of Medicine, Hospital Medicine Section, Pennsylvania Hospital, Philadelphia, Pennsylvania, has disclosed no relevant financial relationships. Dr. Williams, Associate Professor of Clinical Medicine, Department of General Internal Medicine, Lewis Katz School of Medicine; Staff Physician, Department of General Internal Medicine, Temple Internal Medicine Associates, Philadelphia, Pennsylvania, served as a director, officer, partner, employee, adviser, consultant, or trustee for The Curbsiders, and has received income in an amount equal to or greater than $250 from The Curbsiders.
A version of this article first appeared on Medscape.com.
Does Tailored Acupuncture Relieve Chronic Neck Pain?
TOPLINE:
Patients with chronic neck pain who received acupuncture experienced an alleviation of their symptoms, but not at clinically meaningful levels, compared with those who received sham treatment.
METHODOLOGY:
- A 24-week randomized trial was conducted at four clinical centers in China over a 2-year period starting in 2018.
- A total of 659 patients with chronic neck pain were randomly assigned to one of the four groups: Higher sensitive acupoints (mean age, 38.63 years; 70.41% women; n = 169), lower sensitive acupoints (mean age, 40.21 years; 74.4% women; n = 168), sham acupuncture (mean age, 40.16 years; 75.29% women; n = 170), and a waiting list (mean age, 38.63 years; 69.89% women; n = 176).
- Participants in the acupuncture groups had 10 sessions over 4 weeks and were followed up for 20 weeks. Those in the waiting list group received no treatment.
- The primary outcome was the change in neck pain at 4 weeks, measured on a 0-100 scale. A change of 10 points was considered clinically significant.
- The secondary outcomes were neck pain and movement, quality of life, and use of pain medication over 24 weeks.
TAKEAWAY:
- Acupuncture targeted at higher sensitive points led to a pain score reduction of 12.16 (95% CI, −14.45 to −9.87), while lower sensitive points reduced it by 10.19 (95% CI, −12.43 to −7.95).
- Sham acupuncture reduced the score by 6.11 (95% CI, −8.31 to −3.91), and no treatment reduced it by 2.24 (95% CI, −4.10 to −0.38).
- The higher and lower sensitive acupoint groups showed no clinically significant net differences in pain reduction and secondary outcomes compared with the sham and waiting list groups.
- Differences in reductions in pain between groups all decreased by week 24.
IN PRACTICE:
“The clinical importance of this improvement is unclear. Our results suggest that the selection of pressure pain, sensory-based objective acupoints could be considered as a treatment of CNP [chronic neck pain],” the authors wrote.
SOURCE:
This study, led by Ling Zhao, PhD, of Acupuncture and Tuina School at Chengdu University of Traditional Chinese Medicine in Chengdu, China, was published online in the Annals of Internal Medicine.
LIMITATIONS:
Blinding was not done in the waiting list group. Individuals in the higher and lower sensitive acupoint groups experienced a specific sensation after needle manipulation, which could have influenced the analysis. Additionally, the participants were middle-aged adults with moderate pain, which limited the generalizability to older individuals or those with severe pain.
DISCLOSURES:
The study was supported by grants from the National Natural Science Foundation of China, Central Guidance on Local Science and Technology Development Fund of Sichuan Province, among others. The authors declared no conflicts of interest outside the submitted work.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
TOPLINE:
Patients with chronic neck pain who received acupuncture experienced an alleviation of their symptoms, but not at clinically meaningful levels, compared with those who received sham treatment.
METHODOLOGY:
- A 24-week randomized trial was conducted at four clinical centers in China over a 2-year period starting in 2018.
- A total of 659 patients with chronic neck pain were randomly assigned to one of the four groups: Higher sensitive acupoints (mean age, 38.63 years; 70.41% women; n = 169), lower sensitive acupoints (mean age, 40.21 years; 74.4% women; n = 168), sham acupuncture (mean age, 40.16 years; 75.29% women; n = 170), and a waiting list (mean age, 38.63 years; 69.89% women; n = 176).
- Participants in the acupuncture groups had 10 sessions over 4 weeks and were followed up for 20 weeks. Those in the waiting list group received no treatment.
- The primary outcome was the change in neck pain at 4 weeks, measured on a 0-100 scale. A change of 10 points was considered clinically significant.
- The secondary outcomes were neck pain and movement, quality of life, and use of pain medication over 24 weeks.
TAKEAWAY:
- Acupuncture targeted at higher sensitive points led to a pain score reduction of 12.16 (95% CI, −14.45 to −9.87), while lower sensitive points reduced it by 10.19 (95% CI, −12.43 to −7.95).
- Sham acupuncture reduced the score by 6.11 (95% CI, −8.31 to −3.91), and no treatment reduced it by 2.24 (95% CI, −4.10 to −0.38).
- The higher and lower sensitive acupoint groups showed no clinically significant net differences in pain reduction and secondary outcomes compared with the sham and waiting list groups.
- Differences in reductions in pain between groups all decreased by week 24.
IN PRACTICE:
“The clinical importance of this improvement is unclear. Our results suggest that the selection of pressure pain, sensory-based objective acupoints could be considered as a treatment of CNP [chronic neck pain],” the authors wrote.
SOURCE:
This study, led by Ling Zhao, PhD, of Acupuncture and Tuina School at Chengdu University of Traditional Chinese Medicine in Chengdu, China, was published online in the Annals of Internal Medicine.
LIMITATIONS:
Blinding was not done in the waiting list group. Individuals in the higher and lower sensitive acupoint groups experienced a specific sensation after needle manipulation, which could have influenced the analysis. Additionally, the participants were middle-aged adults with moderate pain, which limited the generalizability to older individuals or those with severe pain.
DISCLOSURES:
The study was supported by grants from the National Natural Science Foundation of China, Central Guidance on Local Science and Technology Development Fund of Sichuan Province, among others. The authors declared no conflicts of interest outside the submitted work.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
TOPLINE:
Patients with chronic neck pain who received acupuncture experienced an alleviation of their symptoms, but not at clinically meaningful levels, compared with those who received sham treatment.
METHODOLOGY:
- A 24-week randomized trial was conducted at four clinical centers in China over a 2-year period starting in 2018.
- A total of 659 patients with chronic neck pain were randomly assigned to one of the four groups: Higher sensitive acupoints (mean age, 38.63 years; 70.41% women; n = 169), lower sensitive acupoints (mean age, 40.21 years; 74.4% women; n = 168), sham acupuncture (mean age, 40.16 years; 75.29% women; n = 170), and a waiting list (mean age, 38.63 years; 69.89% women; n = 176).
- Participants in the acupuncture groups had 10 sessions over 4 weeks and were followed up for 20 weeks. Those in the waiting list group received no treatment.
- The primary outcome was the change in neck pain at 4 weeks, measured on a 0-100 scale. A change of 10 points was considered clinically significant.
- The secondary outcomes were neck pain and movement, quality of life, and use of pain medication over 24 weeks.
TAKEAWAY:
- Acupuncture targeted at higher sensitive points led to a pain score reduction of 12.16 (95% CI, −14.45 to −9.87), while lower sensitive points reduced it by 10.19 (95% CI, −12.43 to −7.95).
- Sham acupuncture reduced the score by 6.11 (95% CI, −8.31 to −3.91), and no treatment reduced it by 2.24 (95% CI, −4.10 to −0.38).
- The higher and lower sensitive acupoint groups showed no clinically significant net differences in pain reduction and secondary outcomes compared with the sham and waiting list groups.
- Differences in reductions in pain between groups all decreased by week 24.
IN PRACTICE:
“The clinical importance of this improvement is unclear. Our results suggest that the selection of pressure pain, sensory-based objective acupoints could be considered as a treatment of CNP [chronic neck pain],” the authors wrote.
SOURCE:
This study, led by Ling Zhao, PhD, of Acupuncture and Tuina School at Chengdu University of Traditional Chinese Medicine in Chengdu, China, was published online in the Annals of Internal Medicine.
LIMITATIONS:
Blinding was not done in the waiting list group. Individuals in the higher and lower sensitive acupoint groups experienced a specific sensation after needle manipulation, which could have influenced the analysis. Additionally, the participants were middle-aged adults with moderate pain, which limited the generalizability to older individuals or those with severe pain.
DISCLOSURES:
The study was supported by grants from the National Natural Science Foundation of China, Central Guidance on Local Science and Technology Development Fund of Sichuan Province, among others. The authors declared no conflicts of interest outside the submitted work.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
Early Use of Steroids Linked to Prolonged Treatment in Early Rheumatoid Arthritis
TOPLINE:
A substantial proportion of older adults with early rheumatoid arthritis (RA) initiate glucocorticoids before receiving care from a rheumatologist. The early initiation of glucocorticoids in this group is associated with prolonged use.
METHODOLOGY:
- Researchers analyzed data from Medicare claims and Rheumatology Informatics System for Effectiveness registry of the American College of Rheumatology from 2016 to 2018 to assess the relationship between the timing of glucocorticoid initiation and the subsequent duration of glucocorticoid use in older adults with early RA in the United States.
- They included 1733 patients aged ≥ 65 years (mean age, 76 years; 67% women) with early RA.
- Glucocorticoid initiation was defined as the first use between 3 months before and 6 months after entrance into rheumatology care.
- The continuous administration of glucocorticoid therapy was monitored for all individuals who initiated glucocorticoid treatment for up to 12 months after entering rheumatology care.
- The primary outcome was the duration of continuous glucocorticoid use after entering rheumatology care.
TAKEAWAY:
- Glucocorticoids were initiated in 41% of patients, with 65% starting them before the initial RA diagnosis by a rheumatologist. The median duration of glucocorticoid use was 157 days.
- Patients with early RA who initiated glucocorticoids before entering rheumatology care showed a significantly longer duration of glucocorticoid use than those who initiated it later (median, 186 vs 97 days; P < .0001).
- Patients who initiated glucocorticoids before entering rheumatology care were 39% less likely to stop its use within 1 year (hazard ratio, 0.61; 95% CI, 0.51-0.74).
- The mean daily dose of glucocorticoids was < 5 mg/d for patients who received them for at least 3 months, indicating a trend toward low-dose, long-term use.
IN PRACTICE:
“Initiatives to reduce GC [glucocorticoid] exposure among patients with eRA [early RA] will likely require attention to rheumatology workforce shortages and close collaboration between rheumatologists and primary care clinicians to expedite referrals to rheumatology care,” the authors wrote.
SOURCE:
This study was led by Andriko Palmowski, MD, Department of Rheumatology and Clinical Immunology, Charité – Universitätsmedizin Berlin in Germany, and was published online in Seminars in Arthritis and Rheumatism.
LIMITATIONS:
The observational nature of this study limited the ability to establish causality between early glucocorticoid initiation and the prolonged use of glucocorticoids. Moreover, the study population was limited to older adults, which affected the generalizability of the findings to younger populations. It also did not account for the fact that patients with more severe early RA were more likely to start glucocorticoid therapy early and continue it for longer durations.
DISCLOSURES:
The study was supported by research grants from the Deutsche Autoimmun-Stiftung and other sources. Some authors declared receiving grant support, consultancy fees, honoraria, and travel expenses and had other ties with various pharmaceutical companies.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
TOPLINE:
A substantial proportion of older adults with early rheumatoid arthritis (RA) initiate glucocorticoids before receiving care from a rheumatologist. The early initiation of glucocorticoids in this group is associated with prolonged use.
METHODOLOGY:
- Researchers analyzed data from Medicare claims and Rheumatology Informatics System for Effectiveness registry of the American College of Rheumatology from 2016 to 2018 to assess the relationship between the timing of glucocorticoid initiation and the subsequent duration of glucocorticoid use in older adults with early RA in the United States.
- They included 1733 patients aged ≥ 65 years (mean age, 76 years; 67% women) with early RA.
- Glucocorticoid initiation was defined as the first use between 3 months before and 6 months after entrance into rheumatology care.
- The continuous administration of glucocorticoid therapy was monitored for all individuals who initiated glucocorticoid treatment for up to 12 months after entering rheumatology care.
- The primary outcome was the duration of continuous glucocorticoid use after entering rheumatology care.
TAKEAWAY:
- Glucocorticoids were initiated in 41% of patients, with 65% starting them before the initial RA diagnosis by a rheumatologist. The median duration of glucocorticoid use was 157 days.
- Patients with early RA who initiated glucocorticoids before entering rheumatology care showed a significantly longer duration of glucocorticoid use than those who initiated it later (median, 186 vs 97 days; P < .0001).
- Patients who initiated glucocorticoids before entering rheumatology care were 39% less likely to stop its use within 1 year (hazard ratio, 0.61; 95% CI, 0.51-0.74).
- The mean daily dose of glucocorticoids was < 5 mg/d for patients who received them for at least 3 months, indicating a trend toward low-dose, long-term use.
IN PRACTICE:
“Initiatives to reduce GC [glucocorticoid] exposure among patients with eRA [early RA] will likely require attention to rheumatology workforce shortages and close collaboration between rheumatologists and primary care clinicians to expedite referrals to rheumatology care,” the authors wrote.
SOURCE:
This study was led by Andriko Palmowski, MD, Department of Rheumatology and Clinical Immunology, Charité – Universitätsmedizin Berlin in Germany, and was published online in Seminars in Arthritis and Rheumatism.
LIMITATIONS:
The observational nature of this study limited the ability to establish causality between early glucocorticoid initiation and the prolonged use of glucocorticoids. Moreover, the study population was limited to older adults, which affected the generalizability of the findings to younger populations. It also did not account for the fact that patients with more severe early RA were more likely to start glucocorticoid therapy early and continue it for longer durations.
DISCLOSURES:
The study was supported by research grants from the Deutsche Autoimmun-Stiftung and other sources. Some authors declared receiving grant support, consultancy fees, honoraria, and travel expenses and had other ties with various pharmaceutical companies.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
TOPLINE:
A substantial proportion of older adults with early rheumatoid arthritis (RA) initiate glucocorticoids before receiving care from a rheumatologist. The early initiation of glucocorticoids in this group is associated with prolonged use.
METHODOLOGY:
- Researchers analyzed data from Medicare claims and Rheumatology Informatics System for Effectiveness registry of the American College of Rheumatology from 2016 to 2018 to assess the relationship between the timing of glucocorticoid initiation and the subsequent duration of glucocorticoid use in older adults with early RA in the United States.
- They included 1733 patients aged ≥ 65 years (mean age, 76 years; 67% women) with early RA.
- Glucocorticoid initiation was defined as the first use between 3 months before and 6 months after entrance into rheumatology care.
- The continuous administration of glucocorticoid therapy was monitored for all individuals who initiated glucocorticoid treatment for up to 12 months after entering rheumatology care.
- The primary outcome was the duration of continuous glucocorticoid use after entering rheumatology care.
TAKEAWAY:
- Glucocorticoids were initiated in 41% of patients, with 65% starting them before the initial RA diagnosis by a rheumatologist. The median duration of glucocorticoid use was 157 days.
- Patients with early RA who initiated glucocorticoids before entering rheumatology care showed a significantly longer duration of glucocorticoid use than those who initiated it later (median, 186 vs 97 days; P < .0001).
- Patients who initiated glucocorticoids before entering rheumatology care were 39% less likely to stop its use within 1 year (hazard ratio, 0.61; 95% CI, 0.51-0.74).
- The mean daily dose of glucocorticoids was < 5 mg/d for patients who received them for at least 3 months, indicating a trend toward low-dose, long-term use.
IN PRACTICE:
“Initiatives to reduce GC [glucocorticoid] exposure among patients with eRA [early RA] will likely require attention to rheumatology workforce shortages and close collaboration between rheumatologists and primary care clinicians to expedite referrals to rheumatology care,” the authors wrote.
SOURCE:
This study was led by Andriko Palmowski, MD, Department of Rheumatology and Clinical Immunology, Charité – Universitätsmedizin Berlin in Germany, and was published online in Seminars in Arthritis and Rheumatism.
LIMITATIONS:
The observational nature of this study limited the ability to establish causality between early glucocorticoid initiation and the prolonged use of glucocorticoids. Moreover, the study population was limited to older adults, which affected the generalizability of the findings to younger populations. It also did not account for the fact that patients with more severe early RA were more likely to start glucocorticoid therapy early and continue it for longer durations.
DISCLOSURES:
The study was supported by research grants from the Deutsche Autoimmun-Stiftung and other sources. Some authors declared receiving grant support, consultancy fees, honoraria, and travel expenses and had other ties with various pharmaceutical companies.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
MRI-Derived Abdominal Adipose Tissue Linked to Chronic Musculoskeletal Pain
TOPLINE:
MRI-derived abdominal adipose tissue is linked to chronic musculoskeletal pain in multiple sites. The association is stronger in women, suggesting sex differences in fat distribution and hormones.
METHODOLOGY:
- Researchers used data from the UK Biobank, a large population-based cohort study, to investigate the associations between MRI-measured abdominal adipose tissue and chronic musculoskeletal pain.
- A total of 32,409 participants (50.8% women; mean age, 55.0 ± 7.4 years) were included in the analysis, with abdominal MRI scans performed at two imaging visits.
- Pain in the neck/shoulder, back, hip, knee, or “all over the body” was assessed, and participants were categorized based on the number of chronic pain sites.
- Mixed-effects ordinal, multinomial, and logistic regression models were used to analyze the associations between visceral adipose tissue (VAT), subcutaneous adipose tissue (SAT), and their ratio with chronic pain.
TAKEAWAY:
- According to the authors, there was a dose-response association between VAT, SAT, and their ratio with the number of chronic pain sites in both women and men.
- Higher levels of abdominal adipose tissue were associated with greater odds of reporting chronic pain in both sexes, with effect estimates being relatively larger in women.
- The researchers found that the VAT/SAT ratio was associated with the number of chronic pain sites and chronic pain in both sexes, reflecting differences in fat distribution and hormones.
- The study suggested that excessive abdominal adipose tissue may be involved in the pathogenesis of multisite and widespread chronic musculoskeletal pain.
IN PRACTICE:
“Abdominal adipose tissue was associated with chronic musculoskeletal pain, suggesting that excessive and ectopic fat depositions may be involved in the pathogenesis of multisite and widespread chronic musculoskeletal pain,” wrote the authors of the study.
SOURCE:
This study was led by Zemene Demelash Kifle, University of Tasmania Menzies Institute for Medical Research in Hobart, Australia. It was published online in Regional Anesthesia & Pain Medicine.
LIMITATIONS:
The study’s limitations included the use of a pain questionnaire that did not assess pain severity, which limited the ability to examine the relationship between fat measures and pain severity. Additionally, MRI was conducted on only two occasions, which may have not captured patterns and fluctuations in chronic pain sites. The relatively small size of the imaging sample, compared with the original baseline sample limited the generalizability of the findings. The predominant White ethnicity of participants also limited the generalizability to diverse populations.
DISCLOSURES:
The study was supported by grants from the Australian National Health and Medical Research Council (NHMRC). Mr. Kifle disclosed receiving grants from the Australian NHMRC. Additional disclosures are noted in the original article.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
TOPLINE:
MRI-derived abdominal adipose tissue is linked to chronic musculoskeletal pain in multiple sites. The association is stronger in women, suggesting sex differences in fat distribution and hormones.
METHODOLOGY:
- Researchers used data from the UK Biobank, a large population-based cohort study, to investigate the associations between MRI-measured abdominal adipose tissue and chronic musculoskeletal pain.
- A total of 32,409 participants (50.8% women; mean age, 55.0 ± 7.4 years) were included in the analysis, with abdominal MRI scans performed at two imaging visits.
- Pain in the neck/shoulder, back, hip, knee, or “all over the body” was assessed, and participants were categorized based on the number of chronic pain sites.
- Mixed-effects ordinal, multinomial, and logistic regression models were used to analyze the associations between visceral adipose tissue (VAT), subcutaneous adipose tissue (SAT), and their ratio with chronic pain.
TAKEAWAY:
- According to the authors, there was a dose-response association between VAT, SAT, and their ratio with the number of chronic pain sites in both women and men.
- Higher levels of abdominal adipose tissue were associated with greater odds of reporting chronic pain in both sexes, with effect estimates being relatively larger in women.
- The researchers found that the VAT/SAT ratio was associated with the number of chronic pain sites and chronic pain in both sexes, reflecting differences in fat distribution and hormones.
- The study suggested that excessive abdominal adipose tissue may be involved in the pathogenesis of multisite and widespread chronic musculoskeletal pain.
IN PRACTICE:
“Abdominal adipose tissue was associated with chronic musculoskeletal pain, suggesting that excessive and ectopic fat depositions may be involved in the pathogenesis of multisite and widespread chronic musculoskeletal pain,” wrote the authors of the study.
SOURCE:
This study was led by Zemene Demelash Kifle, University of Tasmania Menzies Institute for Medical Research in Hobart, Australia. It was published online in Regional Anesthesia & Pain Medicine.
LIMITATIONS:
The study’s limitations included the use of a pain questionnaire that did not assess pain severity, which limited the ability to examine the relationship between fat measures and pain severity. Additionally, MRI was conducted on only two occasions, which may have not captured patterns and fluctuations in chronic pain sites. The relatively small size of the imaging sample, compared with the original baseline sample limited the generalizability of the findings. The predominant White ethnicity of participants also limited the generalizability to diverse populations.
DISCLOSURES:
The study was supported by grants from the Australian National Health and Medical Research Council (NHMRC). Mr. Kifle disclosed receiving grants from the Australian NHMRC. Additional disclosures are noted in the original article.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
TOPLINE:
MRI-derived abdominal adipose tissue is linked to chronic musculoskeletal pain in multiple sites. The association is stronger in women, suggesting sex differences in fat distribution and hormones.
METHODOLOGY:
- Researchers used data from the UK Biobank, a large population-based cohort study, to investigate the associations between MRI-measured abdominal adipose tissue and chronic musculoskeletal pain.
- A total of 32,409 participants (50.8% women; mean age, 55.0 ± 7.4 years) were included in the analysis, with abdominal MRI scans performed at two imaging visits.
- Pain in the neck/shoulder, back, hip, knee, or “all over the body” was assessed, and participants were categorized based on the number of chronic pain sites.
- Mixed-effects ordinal, multinomial, and logistic regression models were used to analyze the associations between visceral adipose tissue (VAT), subcutaneous adipose tissue (SAT), and their ratio with chronic pain.
TAKEAWAY:
- According to the authors, there was a dose-response association between VAT, SAT, and their ratio with the number of chronic pain sites in both women and men.
- Higher levels of abdominal adipose tissue were associated with greater odds of reporting chronic pain in both sexes, with effect estimates being relatively larger in women.
- The researchers found that the VAT/SAT ratio was associated with the number of chronic pain sites and chronic pain in both sexes, reflecting differences in fat distribution and hormones.
- The study suggested that excessive abdominal adipose tissue may be involved in the pathogenesis of multisite and widespread chronic musculoskeletal pain.
IN PRACTICE:
“Abdominal adipose tissue was associated with chronic musculoskeletal pain, suggesting that excessive and ectopic fat depositions may be involved in the pathogenesis of multisite and widespread chronic musculoskeletal pain,” wrote the authors of the study.
SOURCE:
This study was led by Zemene Demelash Kifle, University of Tasmania Menzies Institute for Medical Research in Hobart, Australia. It was published online in Regional Anesthesia & Pain Medicine.
LIMITATIONS:
The study’s limitations included the use of a pain questionnaire that did not assess pain severity, which limited the ability to examine the relationship between fat measures and pain severity. Additionally, MRI was conducted on only two occasions, which may have not captured patterns and fluctuations in chronic pain sites. The relatively small size of the imaging sample, compared with the original baseline sample limited the generalizability of the findings. The predominant White ethnicity of participants also limited the generalizability to diverse populations.
DISCLOSURES:
The study was supported by grants from the Australian National Health and Medical Research Council (NHMRC). Mr. Kifle disclosed receiving grants from the Australian NHMRC. Additional disclosures are noted in the original article.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
Not Kidding: Yellow Dye 5 May Lead to Invisibility
Applying the dye to lab mice made their skin temporarily transparent, allowing Stanford University researchers to observe the rodents’ digestive system, muscle fibers, and blood vessels, according to a study published in Science.
“It’s a stunning result,” said senior author Guosong Hong, PhD, who is assistant professor of materials science and engineering at Stanford University in California. “If the same technique could be applied to humans, it could offer a variety of benefits in biology, diagnostics, and even cosmetics.”
The work drew upon optical concepts first described in the early 20th century to form a surprising theory: Applying a light-absorbing substance could render skin transparent by reducing the chaotic scattering of light as it strikes proteins, fats, and water in tissue.
A search for a suitable light absorber led to FD&C Yellow 5, also called tartrazine, a synthetic color additive certified by the Food and Drug Administration (FDA) for use in foods, cosmetics, and medications.
Rubbed on live mice (after areas of fur were removed using a drugstore depilatory cream), tartrazine rendered skin on their bellies, hind legs, and heads transparent within 5 minutes. With the naked eye, the researchers watched a mouse’s intestines, bladder, and liver at work. Using a microscope, they observed muscle fibers and saw blood vessels in a living mouse’s brain — all without making incisions. Transparency faded quickly when the dye was washed off.
Someday, the concept could be used in doctors’ offices and hospitals, Dr. Hong said.
“Instead of relying on invasive biopsies, doctors might be able to diagnose deep-seated tumors by simply examining a person’s tissue without the need for invasive surgical removal,” he said. “This technique could potentially make blood draws less painful by helping phlebotomists easily locate veins under the skin. It could also enhance procedures like laser tattoo removal by allowing more precise targeting of the pigment beneath the skin.”
From Cake Frosting to Groundbreaking Research
Yellow 5 food dye can be found in everything from cereal, soda, spices, and cake frosting to lipstick, mouthwash, shampoo, dietary supplements, and house paint. Although it’s in some topical medications, more research is needed before it could be used in human diagnostics, said Christopher J. Rowlands, PhD, a senior lecturer in the Department of Bioengineering at Imperial College London, England, where he studies biophotonic instrumentation — ways to image structures inside the body more quickly and clearly.
But the finding could prove useful in research. In a commentary published in Science, Dr. Rowlands and his colleague Jon Gorecki, PhD, an experimental optical physicist also at Imperial College London, noted that the dye could be an alternative to other optical clearing agents currently used in lab studies, such as glycerol, fructose, or acetic acid. Advantages are the effect is reversible and works at lower concentrations with fewer side effects. This could broaden the types of studies possible in lab animals, so researchers don’t have to rely on naturally transparent creatures like nematodes and zebrafish.
The dye could also be paired with imaging techniques such as MRI or electron microscopy.
“Imaging techniques all have pros and cons,” Dr. Rowlands said. “MRI can see all the way through the body albeit with limited resolution and contrast. Electron microscopy has excellent resolution but limited compatibility with live tissue and penetration depth. Optical microscopy has subcellular resolution, the ability to label things, excellent biocompatibility but less than 1 millimeter of penetration depth. This clearing method will give a substantial boost to optical imaging for medicine and biology.”
The discovery could improve the depth imaging equipment can achieve by tenfold, according to the commentary.
Brain research especially stands to benefit. “Neurobiology in particular will have great use for combinations of multiphoton, optogenetics, and tissue clearing to record and control neural activity over (potentially) the whole mouse brain,” he said.
Refraction, Absorption, and The Invisible Man
The dye discovery has distant echoes in H.G. Wells’ 1897 novel The Invisible Man, Dr. Rowlands noted. In the book, a serum makes the main character invisible by changing the light scattering — or refractive index (RI) — of his cells to match the air around him.
The Stanford engineers looked to the past for inspiration, but not to fiction. They turned to a concept first described in the 1920s called the Kramers-Kronig relations, a mathematical principle that can be applied to relationships between the way light is refracted and absorbed in different materials. They also read up on Lorentz oscillation, which describes how electrons and atoms inside molecules react to light.
They reasoned that light-absorbing compounds could equalize the differences between the light-scattering properties of proteins, lipids, and water that make skin opaque.
With that, the search was on. The study’s first author, postdoctoral researcher Zihao Ou, PhD, began testing strong dyes to find a candidate. Tartrazine was a front-runner.
“We found that dye molecules are more efficient in raising the refractive index of water than conventional RI-matching agents, thus resulting in transparency at a much lower concentration,” Dr. Hong said. “The underlying physics, explained by the Lorentz oscillator model and Kramers-Kronig relations, reveals that conventional RI matching agents like fructose are not as efficient because they are not ‘colored’ enough.”
What’s Next
Though the dye is already in products that people consume and apply to their skin, medical use is years away. In some people, tartrazine can cause skin or respiratory reactions.
The National Science Foundation (NSF), which helped fund the research, posted a home or classroom activity related to the work on its website. It involves painting a tartrazine solution on a thin slice of raw chicken breast, making it transparent. The experiment should only be done while wearing a mask, eye protection, lab coat, and lab-quality nitrile gloves for protection, according to the NSF.
Meanwhile, Dr. Hong said his lab is looking for new compounds that will improve visibility through transparent skin, removing a red tone seen in the current experiments. And they’re looking for ways to induce cells to make their own “see-through” compounds.
“We are exploring methods for cells to express intensely absorbing molecules endogenously, enabling genetically encoded tissue transparency in live animals,” he said.
A version of this article first appeared on Medscape.com.
Applying the dye to lab mice made their skin temporarily transparent, allowing Stanford University researchers to observe the rodents’ digestive system, muscle fibers, and blood vessels, according to a study published in Science.
“It’s a stunning result,” said senior author Guosong Hong, PhD, who is assistant professor of materials science and engineering at Stanford University in California. “If the same technique could be applied to humans, it could offer a variety of benefits in biology, diagnostics, and even cosmetics.”
The work drew upon optical concepts first described in the early 20th century to form a surprising theory: Applying a light-absorbing substance could render skin transparent by reducing the chaotic scattering of light as it strikes proteins, fats, and water in tissue.
A search for a suitable light absorber led to FD&C Yellow 5, also called tartrazine, a synthetic color additive certified by the Food and Drug Administration (FDA) for use in foods, cosmetics, and medications.
Rubbed on live mice (after areas of fur were removed using a drugstore depilatory cream), tartrazine rendered skin on their bellies, hind legs, and heads transparent within 5 minutes. With the naked eye, the researchers watched a mouse’s intestines, bladder, and liver at work. Using a microscope, they observed muscle fibers and saw blood vessels in a living mouse’s brain — all without making incisions. Transparency faded quickly when the dye was washed off.
Someday, the concept could be used in doctors’ offices and hospitals, Dr. Hong said.
“Instead of relying on invasive biopsies, doctors might be able to diagnose deep-seated tumors by simply examining a person’s tissue without the need for invasive surgical removal,” he said. “This technique could potentially make blood draws less painful by helping phlebotomists easily locate veins under the skin. It could also enhance procedures like laser tattoo removal by allowing more precise targeting of the pigment beneath the skin.”
From Cake Frosting to Groundbreaking Research
Yellow 5 food dye can be found in everything from cereal, soda, spices, and cake frosting to lipstick, mouthwash, shampoo, dietary supplements, and house paint. Although it’s in some topical medications, more research is needed before it could be used in human diagnostics, said Christopher J. Rowlands, PhD, a senior lecturer in the Department of Bioengineering at Imperial College London, England, where he studies biophotonic instrumentation — ways to image structures inside the body more quickly and clearly.
But the finding could prove useful in research. In a commentary published in Science, Dr. Rowlands and his colleague Jon Gorecki, PhD, an experimental optical physicist also at Imperial College London, noted that the dye could be an alternative to other optical clearing agents currently used in lab studies, such as glycerol, fructose, or acetic acid. Advantages are the effect is reversible and works at lower concentrations with fewer side effects. This could broaden the types of studies possible in lab animals, so researchers don’t have to rely on naturally transparent creatures like nematodes and zebrafish.
The dye could also be paired with imaging techniques such as MRI or electron microscopy.
“Imaging techniques all have pros and cons,” Dr. Rowlands said. “MRI can see all the way through the body albeit with limited resolution and contrast. Electron microscopy has excellent resolution but limited compatibility with live tissue and penetration depth. Optical microscopy has subcellular resolution, the ability to label things, excellent biocompatibility but less than 1 millimeter of penetration depth. This clearing method will give a substantial boost to optical imaging for medicine and biology.”
The discovery could improve the depth imaging equipment can achieve by tenfold, according to the commentary.
Brain research especially stands to benefit. “Neurobiology in particular will have great use for combinations of multiphoton, optogenetics, and tissue clearing to record and control neural activity over (potentially) the whole mouse brain,” he said.
Refraction, Absorption, and The Invisible Man
The dye discovery has distant echoes in H.G. Wells’ 1897 novel The Invisible Man, Dr. Rowlands noted. In the book, a serum makes the main character invisible by changing the light scattering — or refractive index (RI) — of his cells to match the air around him.
The Stanford engineers looked to the past for inspiration, but not to fiction. They turned to a concept first described in the 1920s called the Kramers-Kronig relations, a mathematical principle that can be applied to relationships between the way light is refracted and absorbed in different materials. They also read up on Lorentz oscillation, which describes how electrons and atoms inside molecules react to light.
They reasoned that light-absorbing compounds could equalize the differences between the light-scattering properties of proteins, lipids, and water that make skin opaque.
With that, the search was on. The study’s first author, postdoctoral researcher Zihao Ou, PhD, began testing strong dyes to find a candidate. Tartrazine was a front-runner.
“We found that dye molecules are more efficient in raising the refractive index of water than conventional RI-matching agents, thus resulting in transparency at a much lower concentration,” Dr. Hong said. “The underlying physics, explained by the Lorentz oscillator model and Kramers-Kronig relations, reveals that conventional RI matching agents like fructose are not as efficient because they are not ‘colored’ enough.”
What’s Next
Though the dye is already in products that people consume and apply to their skin, medical use is years away. In some people, tartrazine can cause skin or respiratory reactions.
The National Science Foundation (NSF), which helped fund the research, posted a home or classroom activity related to the work on its website. It involves painting a tartrazine solution on a thin slice of raw chicken breast, making it transparent. The experiment should only be done while wearing a mask, eye protection, lab coat, and lab-quality nitrile gloves for protection, according to the NSF.
Meanwhile, Dr. Hong said his lab is looking for new compounds that will improve visibility through transparent skin, removing a red tone seen in the current experiments. And they’re looking for ways to induce cells to make their own “see-through” compounds.
“We are exploring methods for cells to express intensely absorbing molecules endogenously, enabling genetically encoded tissue transparency in live animals,” he said.
A version of this article first appeared on Medscape.com.
Applying the dye to lab mice made their skin temporarily transparent, allowing Stanford University researchers to observe the rodents’ digestive system, muscle fibers, and blood vessels, according to a study published in Science.
“It’s a stunning result,” said senior author Guosong Hong, PhD, who is assistant professor of materials science and engineering at Stanford University in California. “If the same technique could be applied to humans, it could offer a variety of benefits in biology, diagnostics, and even cosmetics.”
The work drew upon optical concepts first described in the early 20th century to form a surprising theory: Applying a light-absorbing substance could render skin transparent by reducing the chaotic scattering of light as it strikes proteins, fats, and water in tissue.
A search for a suitable light absorber led to FD&C Yellow 5, also called tartrazine, a synthetic color additive certified by the Food and Drug Administration (FDA) for use in foods, cosmetics, and medications.
Rubbed on live mice (after areas of fur were removed using a drugstore depilatory cream), tartrazine rendered skin on their bellies, hind legs, and heads transparent within 5 minutes. With the naked eye, the researchers watched a mouse’s intestines, bladder, and liver at work. Using a microscope, they observed muscle fibers and saw blood vessels in a living mouse’s brain — all without making incisions. Transparency faded quickly when the dye was washed off.
Someday, the concept could be used in doctors’ offices and hospitals, Dr. Hong said.
“Instead of relying on invasive biopsies, doctors might be able to diagnose deep-seated tumors by simply examining a person’s tissue without the need for invasive surgical removal,” he said. “This technique could potentially make blood draws less painful by helping phlebotomists easily locate veins under the skin. It could also enhance procedures like laser tattoo removal by allowing more precise targeting of the pigment beneath the skin.”
From Cake Frosting to Groundbreaking Research
Yellow 5 food dye can be found in everything from cereal, soda, spices, and cake frosting to lipstick, mouthwash, shampoo, dietary supplements, and house paint. Although it’s in some topical medications, more research is needed before it could be used in human diagnostics, said Christopher J. Rowlands, PhD, a senior lecturer in the Department of Bioengineering at Imperial College London, England, where he studies biophotonic instrumentation — ways to image structures inside the body more quickly and clearly.
But the finding could prove useful in research. In a commentary published in Science, Dr. Rowlands and his colleague Jon Gorecki, PhD, an experimental optical physicist also at Imperial College London, noted that the dye could be an alternative to other optical clearing agents currently used in lab studies, such as glycerol, fructose, or acetic acid. Advantages are the effect is reversible and works at lower concentrations with fewer side effects. This could broaden the types of studies possible in lab animals, so researchers don’t have to rely on naturally transparent creatures like nematodes and zebrafish.
The dye could also be paired with imaging techniques such as MRI or electron microscopy.
“Imaging techniques all have pros and cons,” Dr. Rowlands said. “MRI can see all the way through the body albeit with limited resolution and contrast. Electron microscopy has excellent resolution but limited compatibility with live tissue and penetration depth. Optical microscopy has subcellular resolution, the ability to label things, excellent biocompatibility but less than 1 millimeter of penetration depth. This clearing method will give a substantial boost to optical imaging for medicine and biology.”
The discovery could improve the depth imaging equipment can achieve by tenfold, according to the commentary.
Brain research especially stands to benefit. “Neurobiology in particular will have great use for combinations of multiphoton, optogenetics, and tissue clearing to record and control neural activity over (potentially) the whole mouse brain,” he said.
Refraction, Absorption, and The Invisible Man
The dye discovery has distant echoes in H.G. Wells’ 1897 novel The Invisible Man, Dr. Rowlands noted. In the book, a serum makes the main character invisible by changing the light scattering — or refractive index (RI) — of his cells to match the air around him.
The Stanford engineers looked to the past for inspiration, but not to fiction. They turned to a concept first described in the 1920s called the Kramers-Kronig relations, a mathematical principle that can be applied to relationships between the way light is refracted and absorbed in different materials. They also read up on Lorentz oscillation, which describes how electrons and atoms inside molecules react to light.
They reasoned that light-absorbing compounds could equalize the differences between the light-scattering properties of proteins, lipids, and water that make skin opaque.
With that, the search was on. The study’s first author, postdoctoral researcher Zihao Ou, PhD, began testing strong dyes to find a candidate. Tartrazine was a front-runner.
“We found that dye molecules are more efficient in raising the refractive index of water than conventional RI-matching agents, thus resulting in transparency at a much lower concentration,” Dr. Hong said. “The underlying physics, explained by the Lorentz oscillator model and Kramers-Kronig relations, reveals that conventional RI matching agents like fructose are not as efficient because they are not ‘colored’ enough.”
What’s Next
Though the dye is already in products that people consume and apply to their skin, medical use is years away. In some people, tartrazine can cause skin or respiratory reactions.
The National Science Foundation (NSF), which helped fund the research, posted a home or classroom activity related to the work on its website. It involves painting a tartrazine solution on a thin slice of raw chicken breast, making it transparent. The experiment should only be done while wearing a mask, eye protection, lab coat, and lab-quality nitrile gloves for protection, according to the NSF.
Meanwhile, Dr. Hong said his lab is looking for new compounds that will improve visibility through transparent skin, removing a red tone seen in the current experiments. And they’re looking for ways to induce cells to make their own “see-through” compounds.
“We are exploring methods for cells to express intensely absorbing molecules endogenously, enabling genetically encoded tissue transparency in live animals,” he said.
A version of this article first appeared on Medscape.com.
FROM SCIENCE
Mobile App Shows Promise in Managing Fibromyalgia Symptoms
TOPLINE:
A smartphone app that delivers acceptance and commitment therapy (ACT), a type of cognitive behavioral therapy, improves overall well-being and reduces the severity of pain, fatigue, sleep issues, and depression to a greater extent than daily symptom tracking in patients with fibromyalgia.
METHODOLOGY:
- Researchers conducted the phase 3 PROSPER-FM trial at 25 community sites in the United States to assess the efficacy and safety of digital ACT for patients with fibromyalgia.
- A total of 275 adult patients aged 22-75 years with fibromyalgia were randomly assigned to either the digital ACT group (n = 140) or the active control group (n = 135) for 12 weeks.
- Patients in the digital ACT group received a self-guided, smartphone-delivered program in which they learned and practiced the core ACT skills of acceptance, values, mindfulness, defusion, self as context, and willingness and committed action to build psychological flexibility, while the control group underwent daily symptom tracking and received educational materials.
- The primary endpoint was the response rate on the Patient Global Impression of Change (PGIC) at week 12, which is an indicator of patient well-being.
- The secondary endpoints included changes in the Revised Fibromyalgia Impact Questionnaire (FIQ-R) total score and pain intensity, pain interference, and sleep interference scores.
TAKEAWAY:
- At week 12, 71% of the patients in the digital ACT group responded with a minimally improved or better change in the PGIC response, compared with only 22% of the patients in the control group (P < .0001).
- The digital ACT group showed a significant reduction in the impact of fibromyalgia, with a between-group effect size of d = 0.65 (P < .0001) at week 12. The FIQ-R total score significantly improved within 3 weeks of using the self-guided digital ACT app.
- The use of digital ACT also demonstrated positive effects on the levels of weekly pain intensity (P = .001) and depression (P < .0001), compared with the control group.
- No serious adverse effects related to the app were reported, and both groups demonstrated high rates of adherence, with most (72%) participants in the digital ACT group completing at least 42 sessions.
IN PRACTICE:
“The results found in the study are essential for professionals who care for patients with fibromyalgia as they present a new viable treatment alternative,” Guilherme Torres Vilarino, PhD, Santa Catarina State University, Florianópolis, Brazil, wrote in an accompanying editorial.
SOURCE:
This study was led by R. Michael Gendreau, MD, PhD, Gendreau Consulting, Poway, California. It was published online in The Lancet.
LIMITATIONS:
The study population predominantly consisted of women and White individuals, which may limit the generalizability of the findings to more diverse populations. Additionally, the study was conducted in the United States, and the results may thus not be applicable to other countries with different racial, ethnic, educational, and economic characteristics. The study duration was 12 weeks, and the long-term benefits of digital ACT have not yet been shown.
DISCLOSURES:
This study was funded by Swing Therapeutics. Seven authors declared having stock options and/or receiving salary from Swing Therapeutics. Other authors reported having many ties with several sources, including Swing Therapeutics.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
TOPLINE:
A smartphone app that delivers acceptance and commitment therapy (ACT), a type of cognitive behavioral therapy, improves overall well-being and reduces the severity of pain, fatigue, sleep issues, and depression to a greater extent than daily symptom tracking in patients with fibromyalgia.
METHODOLOGY:
- Researchers conducted the phase 3 PROSPER-FM trial at 25 community sites in the United States to assess the efficacy and safety of digital ACT for patients with fibromyalgia.
- A total of 275 adult patients aged 22-75 years with fibromyalgia were randomly assigned to either the digital ACT group (n = 140) or the active control group (n = 135) for 12 weeks.
- Patients in the digital ACT group received a self-guided, smartphone-delivered program in which they learned and practiced the core ACT skills of acceptance, values, mindfulness, defusion, self as context, and willingness and committed action to build psychological flexibility, while the control group underwent daily symptom tracking and received educational materials.
- The primary endpoint was the response rate on the Patient Global Impression of Change (PGIC) at week 12, which is an indicator of patient well-being.
- The secondary endpoints included changes in the Revised Fibromyalgia Impact Questionnaire (FIQ-R) total score and pain intensity, pain interference, and sleep interference scores.
TAKEAWAY:
- At week 12, 71% of the patients in the digital ACT group responded with a minimally improved or better change in the PGIC response, compared with only 22% of the patients in the control group (P < .0001).
- The digital ACT group showed a significant reduction in the impact of fibromyalgia, with a between-group effect size of d = 0.65 (P < .0001) at week 12. The FIQ-R total score significantly improved within 3 weeks of using the self-guided digital ACT app.
- The use of digital ACT also demonstrated positive effects on the levels of weekly pain intensity (P = .001) and depression (P < .0001), compared with the control group.
- No serious adverse effects related to the app were reported, and both groups demonstrated high rates of adherence, with most (72%) participants in the digital ACT group completing at least 42 sessions.
IN PRACTICE:
“The results found in the study are essential for professionals who care for patients with fibromyalgia as they present a new viable treatment alternative,” Guilherme Torres Vilarino, PhD, Santa Catarina State University, Florianópolis, Brazil, wrote in an accompanying editorial.
SOURCE:
This study was led by R. Michael Gendreau, MD, PhD, Gendreau Consulting, Poway, California. It was published online in The Lancet.
LIMITATIONS:
The study population predominantly consisted of women and White individuals, which may limit the generalizability of the findings to more diverse populations. Additionally, the study was conducted in the United States, and the results may thus not be applicable to other countries with different racial, ethnic, educational, and economic characteristics. The study duration was 12 weeks, and the long-term benefits of digital ACT have not yet been shown.
DISCLOSURES:
This study was funded by Swing Therapeutics. Seven authors declared having stock options and/or receiving salary from Swing Therapeutics. Other authors reported having many ties with several sources, including Swing Therapeutics.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
TOPLINE:
A smartphone app that delivers acceptance and commitment therapy (ACT), a type of cognitive behavioral therapy, improves overall well-being and reduces the severity of pain, fatigue, sleep issues, and depression to a greater extent than daily symptom tracking in patients with fibromyalgia.
METHODOLOGY:
- Researchers conducted the phase 3 PROSPER-FM trial at 25 community sites in the United States to assess the efficacy and safety of digital ACT for patients with fibromyalgia.
- A total of 275 adult patients aged 22-75 years with fibromyalgia were randomly assigned to either the digital ACT group (n = 140) or the active control group (n = 135) for 12 weeks.
- Patients in the digital ACT group received a self-guided, smartphone-delivered program in which they learned and practiced the core ACT skills of acceptance, values, mindfulness, defusion, self as context, and willingness and committed action to build psychological flexibility, while the control group underwent daily symptom tracking and received educational materials.
- The primary endpoint was the response rate on the Patient Global Impression of Change (PGIC) at week 12, which is an indicator of patient well-being.
- The secondary endpoints included changes in the Revised Fibromyalgia Impact Questionnaire (FIQ-R) total score and pain intensity, pain interference, and sleep interference scores.
TAKEAWAY:
- At week 12, 71% of the patients in the digital ACT group responded with a minimally improved or better change in the PGIC response, compared with only 22% of the patients in the control group (P < .0001).
- The digital ACT group showed a significant reduction in the impact of fibromyalgia, with a between-group effect size of d = 0.65 (P < .0001) at week 12. The FIQ-R total score significantly improved within 3 weeks of using the self-guided digital ACT app.
- The use of digital ACT also demonstrated positive effects on the levels of weekly pain intensity (P = .001) and depression (P < .0001), compared with the control group.
- No serious adverse effects related to the app were reported, and both groups demonstrated high rates of adherence, with most (72%) participants in the digital ACT group completing at least 42 sessions.
IN PRACTICE:
“The results found in the study are essential for professionals who care for patients with fibromyalgia as they present a new viable treatment alternative,” Guilherme Torres Vilarino, PhD, Santa Catarina State University, Florianópolis, Brazil, wrote in an accompanying editorial.
SOURCE:
This study was led by R. Michael Gendreau, MD, PhD, Gendreau Consulting, Poway, California. It was published online in The Lancet.
LIMITATIONS:
The study population predominantly consisted of women and White individuals, which may limit the generalizability of the findings to more diverse populations. Additionally, the study was conducted in the United States, and the results may thus not be applicable to other countries with different racial, ethnic, educational, and economic characteristics. The study duration was 12 weeks, and the long-term benefits of digital ACT have not yet been shown.
DISCLOSURES:
This study was funded by Swing Therapeutics. Seven authors declared having stock options and/or receiving salary from Swing Therapeutics. Other authors reported having many ties with several sources, including Swing Therapeutics.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
Hip Fractures in Patients With Dementia: To Operate or Not?
In the case of a hip fracture, operating on a patient with dementia can be a difficult decision to make. Indeed, surgery exposes patients with dementia to a higher mortality rate, more delirium and postoperative complications, and a greater loss of mobility than patients of the same age without cognitive impairments. For patients with dementia in institutional settings, survival is better for those who undergo surgery than for those who do not. But what about the prognosis of surgery vs no surgery for patients with dementia who live at home?
To answer this question, researchers in the United States conducted a cohort study using Medicare data. This retrospective study included patients aged 66 years and older with dementia who were living at home and not placed in institutions and who had a hip fracture between January 2017 and June 2018. Patients with incomplete observations, particularly regarding the location and type of residence (home/institution), were excluded from the analysis. Fractures were categorized as (i) fractures of the head and neck, (ii) pertrochanteric, (iii) subtrochanteric, and (iv) multiple/complex. The type and severity (mild, moderate, or severe) of dementia were identified using the diagnostic code list in the International Statistical Classification of Diseases, Tenth Revision.
Examining Mortality
The primary outcome was mortality at 30, 90, and 180 days. Secondary outcomes included hospital delirium; the need for subsequent hospitalization (within 6 months) or home health services (within 10 days); and intensive care interventions such as dialysis, intubation, resuscitation maneuvers, mechanical ventilation, or the insertion of a feeding tube.
Postoperative medical facility admissions were distinguished according to whether there was a plan to return home. To compare the surgery and nonsurgery groups, an inverse propensity score analysis was conducted within subgroups determined by fracture type, comorbidities (using the Elixhauser score), the person or entity responsible for admission (ie, physician, clinic, hospital, etc.), dual eligibility (Medicare and Medicaid), place of residence (ie, urban or rural), race, and sex. Dementia severity was estimated using a frailty index on the basis of evaluation tests that were systematically collected in the Medicare database.
Results Favored Surgery
Among 56,209 patients with dementia who were admitted for a hip fracture (73.0% women; mean age, 86.4 ± 7.0 years), 33,142 (59.0%) underwent surgery and 23,067 (41.0%) did not. Among surgically treated patients, 73.3% had fractures of the head or neck of the femur, and 40.2% had moderate to severe dementia. The nonsurgically treated fractures were 78.5% pertrochanteric. Comorbidities were evenly distributed between the two groups.
At 180 days, mortality was 31.8% in the surgery group compared with 45.7% in the nonsurgery group, resulting in a significant reduction in the unadjusted relative risk (RR) for death in favor of surgery (RR, 0.67; 95% CI, 0.60-0.76; P < .001). Among patients with mild dementia and a fracture of the head or neck of the femur, mortality at 180 days was 26.5% among surgical patients and 34.9% among nonsurgical patients (RR, 0.67; 95% CI, 0.60-0.76; P < .001). After the investigators adjusted for risk according to propensity score, the benefit of surgery remained significant at 30, 90, and 180 days, regardless of dementia severity. There was no significant difference in mortality for other types of hip fractures between the surgery and nonsurgery groups, however.
The adjusted RR for in-hospital delirium was 1.23 (P = .008), which was significant for the surgery group, but only for those with moderate to severe dementia. There were also fewer permanent placements (P < .001) among the surgically treated patients, and fewer patients with mild dementia required nurse care at home. There was no difference in resuscitation maneuvers between surgery and nonsurgery patients, whether the dementia was mild or not. For patients with a fracture of the head or neck of the femur, there was no difference in the likelihood of rehabilitation admission within 180 days, whether they were operated on or not.
Ethical Considerations
This study can inform discussions among healthcare professionals, patients, and patients’ families about which goals to set and which strategy to choose. The main interest of this study lies in its comparison of outcomes between patients with dementia who were operated on and those who were not, rather than comparing patients with and without dementia. Among patients with dementia living at home with a fracture of the head or neck of the femur, those who underwent surgery had a lower risk for death than those who did not, regardless of the severity of dementia.
It is noteworthy that less than two thirds of patients with dementia underwent surgery, which contradicts recommendations for almost routine surgery for patients with dementia. This observation raises questions about respecting patient wishes and advance directives when known, possible detrimental delays in referrals, and legal-medical issues.
Furthermore, the treatment choices of American surgeons are clearly influenced by the type of hip fracture. Fractures of the head and neck of the femur are typically treated with prosthetic arthroplasty, which simplifies postoperative care, compared with osteosynthesis. The latter procedure is more often used for extra-articular hip fractures but entails higher risks. While survival is an apparently more easily achievable goal through surgery, ethical considerations about other treatment objectives such as pain control, functional recovery, and treatment adequacy cannot be overlooked. It is worth noting that the French National Authority for Health issued recommendations in 2018 regarding the care pathway for patients hospitalized for a hip fracture within an orthogeriatric organization.
This story was translated from JIM, which is part of the Medscape Medical News professional network, using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article appeared on Medscape.com.
In the case of a hip fracture, operating on a patient with dementia can be a difficult decision to make. Indeed, surgery exposes patients with dementia to a higher mortality rate, more delirium and postoperative complications, and a greater loss of mobility than patients of the same age without cognitive impairments. For patients with dementia in institutional settings, survival is better for those who undergo surgery than for those who do not. But what about the prognosis of surgery vs no surgery for patients with dementia who live at home?
To answer this question, researchers in the United States conducted a cohort study using Medicare data. This retrospective study included patients aged 66 years and older with dementia who were living at home and not placed in institutions and who had a hip fracture between January 2017 and June 2018. Patients with incomplete observations, particularly regarding the location and type of residence (home/institution), were excluded from the analysis. Fractures were categorized as (i) fractures of the head and neck, (ii) pertrochanteric, (iii) subtrochanteric, and (iv) multiple/complex. The type and severity (mild, moderate, or severe) of dementia were identified using the diagnostic code list in the International Statistical Classification of Diseases, Tenth Revision.
Examining Mortality
The primary outcome was mortality at 30, 90, and 180 days. Secondary outcomes included hospital delirium; the need for subsequent hospitalization (within 6 months) or home health services (within 10 days); and intensive care interventions such as dialysis, intubation, resuscitation maneuvers, mechanical ventilation, or the insertion of a feeding tube.
Postoperative medical facility admissions were distinguished according to whether there was a plan to return home. To compare the surgery and nonsurgery groups, an inverse propensity score analysis was conducted within subgroups determined by fracture type, comorbidities (using the Elixhauser score), the person or entity responsible for admission (ie, physician, clinic, hospital, etc.), dual eligibility (Medicare and Medicaid), place of residence (ie, urban or rural), race, and sex. Dementia severity was estimated using a frailty index on the basis of evaluation tests that were systematically collected in the Medicare database.
Results Favored Surgery
Among 56,209 patients with dementia who were admitted for a hip fracture (73.0% women; mean age, 86.4 ± 7.0 years), 33,142 (59.0%) underwent surgery and 23,067 (41.0%) did not. Among surgically treated patients, 73.3% had fractures of the head or neck of the femur, and 40.2% had moderate to severe dementia. The nonsurgically treated fractures were 78.5% pertrochanteric. Comorbidities were evenly distributed between the two groups.
At 180 days, mortality was 31.8% in the surgery group compared with 45.7% in the nonsurgery group, resulting in a significant reduction in the unadjusted relative risk (RR) for death in favor of surgery (RR, 0.67; 95% CI, 0.60-0.76; P < .001). Among patients with mild dementia and a fracture of the head or neck of the femur, mortality at 180 days was 26.5% among surgical patients and 34.9% among nonsurgical patients (RR, 0.67; 95% CI, 0.60-0.76; P < .001). After the investigators adjusted for risk according to propensity score, the benefit of surgery remained significant at 30, 90, and 180 days, regardless of dementia severity. There was no significant difference in mortality for other types of hip fractures between the surgery and nonsurgery groups, however.
The adjusted RR for in-hospital delirium was 1.23 (P = .008), which was significant for the surgery group, but only for those with moderate to severe dementia. There were also fewer permanent placements (P < .001) among the surgically treated patients, and fewer patients with mild dementia required nurse care at home. There was no difference in resuscitation maneuvers between surgery and nonsurgery patients, whether the dementia was mild or not. For patients with a fracture of the head or neck of the femur, there was no difference in the likelihood of rehabilitation admission within 180 days, whether they were operated on or not.
Ethical Considerations
This study can inform discussions among healthcare professionals, patients, and patients’ families about which goals to set and which strategy to choose. The main interest of this study lies in its comparison of outcomes between patients with dementia who were operated on and those who were not, rather than comparing patients with and without dementia. Among patients with dementia living at home with a fracture of the head or neck of the femur, those who underwent surgery had a lower risk for death than those who did not, regardless of the severity of dementia.
It is noteworthy that less than two thirds of patients with dementia underwent surgery, which contradicts recommendations for almost routine surgery for patients with dementia. This observation raises questions about respecting patient wishes and advance directives when known, possible detrimental delays in referrals, and legal-medical issues.
Furthermore, the treatment choices of American surgeons are clearly influenced by the type of hip fracture. Fractures of the head and neck of the femur are typically treated with prosthetic arthroplasty, which simplifies postoperative care, compared with osteosynthesis. The latter procedure is more often used for extra-articular hip fractures but entails higher risks. While survival is an apparently more easily achievable goal through surgery, ethical considerations about other treatment objectives such as pain control, functional recovery, and treatment adequacy cannot be overlooked. It is worth noting that the French National Authority for Health issued recommendations in 2018 regarding the care pathway for patients hospitalized for a hip fracture within an orthogeriatric organization.
This story was translated from JIM, which is part of the Medscape Medical News professional network, using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article appeared on Medscape.com.
In the case of a hip fracture, operating on a patient with dementia can be a difficult decision to make. Indeed, surgery exposes patients with dementia to a higher mortality rate, more delirium and postoperative complications, and a greater loss of mobility than patients of the same age without cognitive impairments. For patients with dementia in institutional settings, survival is better for those who undergo surgery than for those who do not. But what about the prognosis of surgery vs no surgery for patients with dementia who live at home?
To answer this question, researchers in the United States conducted a cohort study using Medicare data. This retrospective study included patients aged 66 years and older with dementia who were living at home and not placed in institutions and who had a hip fracture between January 2017 and June 2018. Patients with incomplete observations, particularly regarding the location and type of residence (home/institution), were excluded from the analysis. Fractures were categorized as (i) fractures of the head and neck, (ii) pertrochanteric, (iii) subtrochanteric, and (iv) multiple/complex. The type and severity (mild, moderate, or severe) of dementia were identified using the diagnostic code list in the International Statistical Classification of Diseases, Tenth Revision.
Examining Mortality
The primary outcome was mortality at 30, 90, and 180 days. Secondary outcomes included hospital delirium; the need for subsequent hospitalization (within 6 months) or home health services (within 10 days); and intensive care interventions such as dialysis, intubation, resuscitation maneuvers, mechanical ventilation, or the insertion of a feeding tube.
Postoperative medical facility admissions were distinguished according to whether there was a plan to return home. To compare the surgery and nonsurgery groups, an inverse propensity score analysis was conducted within subgroups determined by fracture type, comorbidities (using the Elixhauser score), the person or entity responsible for admission (ie, physician, clinic, hospital, etc.), dual eligibility (Medicare and Medicaid), place of residence (ie, urban or rural), race, and sex. Dementia severity was estimated using a frailty index on the basis of evaluation tests that were systematically collected in the Medicare database.
Results Favored Surgery
Among 56,209 patients with dementia who were admitted for a hip fracture (73.0% women; mean age, 86.4 ± 7.0 years), 33,142 (59.0%) underwent surgery and 23,067 (41.0%) did not. Among surgically treated patients, 73.3% had fractures of the head or neck of the femur, and 40.2% had moderate to severe dementia. The nonsurgically treated fractures were 78.5% pertrochanteric. Comorbidities were evenly distributed between the two groups.
At 180 days, mortality was 31.8% in the surgery group compared with 45.7% in the nonsurgery group, resulting in a significant reduction in the unadjusted relative risk (RR) for death in favor of surgery (RR, 0.67; 95% CI, 0.60-0.76; P < .001). Among patients with mild dementia and a fracture of the head or neck of the femur, mortality at 180 days was 26.5% among surgical patients and 34.9% among nonsurgical patients (RR, 0.67; 95% CI, 0.60-0.76; P < .001). After the investigators adjusted for risk according to propensity score, the benefit of surgery remained significant at 30, 90, and 180 days, regardless of dementia severity. There was no significant difference in mortality for other types of hip fractures between the surgery and nonsurgery groups, however.
The adjusted RR for in-hospital delirium was 1.23 (P = .008), which was significant for the surgery group, but only for those with moderate to severe dementia. There were also fewer permanent placements (P < .001) among the surgically treated patients, and fewer patients with mild dementia required nurse care at home. There was no difference in resuscitation maneuvers between surgery and nonsurgery patients, whether the dementia was mild or not. For patients with a fracture of the head or neck of the femur, there was no difference in the likelihood of rehabilitation admission within 180 days, whether they were operated on or not.
Ethical Considerations
This study can inform discussions among healthcare professionals, patients, and patients’ families about which goals to set and which strategy to choose. The main interest of this study lies in its comparison of outcomes between patients with dementia who were operated on and those who were not, rather than comparing patients with and without dementia. Among patients with dementia living at home with a fracture of the head or neck of the femur, those who underwent surgery had a lower risk for death than those who did not, regardless of the severity of dementia.
It is noteworthy that less than two thirds of patients with dementia underwent surgery, which contradicts recommendations for almost routine surgery for patients with dementia. This observation raises questions about respecting patient wishes and advance directives when known, possible detrimental delays in referrals, and legal-medical issues.
Furthermore, the treatment choices of American surgeons are clearly influenced by the type of hip fracture. Fractures of the head and neck of the femur are typically treated with prosthetic arthroplasty, which simplifies postoperative care, compared with osteosynthesis. The latter procedure is more often used for extra-articular hip fractures but entails higher risks. While survival is an apparently more easily achievable goal through surgery, ethical considerations about other treatment objectives such as pain control, functional recovery, and treatment adequacy cannot be overlooked. It is worth noting that the French National Authority for Health issued recommendations in 2018 regarding the care pathway for patients hospitalized for a hip fracture within an orthogeriatric organization.
This story was translated from JIM, which is part of the Medscape Medical News professional network, using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article appeared on Medscape.com.
Type 2 Diabetes Fracture Risk Likely Due to Impaired Physical Function
observational study in JAMA Network Open.
, according to a Swedish prospectiveThe study was conducted in more than 3000 Swedish women by Mattias Lorentzon, MD, a professor of geriatric medicine at Gothenburg University, and chief physician at the Osteoporosis Clinic at Sahlgrenska University Hospital in Mölndal, and colleagues.
Older women with T2D had higher BMD, better bone microarchitecture, and a similar bone material strength index (BMSi) but poorer physical performance and higher fracture risk than women without diabetes.
Women with T2D had 9.1% higher body weight, a 9.5% higher body mass index (BMI), and 6.3% higher appendicular lean mass index (lean mass divided by height squared) than controls.
The T2D group also had a lower prevalence of reported osteoporosis medication use vs controls: 3.4% vs 7.5%, respectively.
Prolonged diabetes treatment and insulin use were associated with higher fracture risk and poorer physical performance despite better bone characteristics.
“Our results demonstrate that checking and monitoring physical function is important to identify diabetes patients with a high risk of fractures and suggest that improving physical function may be important to reduce the risk of fractures in these patients,” Dr. Lorentzon told this news organization.
He speculated that the better bone microarchitecture in women with T2D could be due to both higher body weight and adiposity as well as to hormonal differences such as higher estradiol levels.
Study Details
A fractures study was performed in the Gothenburg area from March 2013 to May 2016 with follow-up of incident fracture data completed in March 2023. Data were collected from questionnaires and through examination of anthropometrics, physical function, and bone measurements using dual-energy x-ray absorptiometry and high-resolution peripheral computed tomography. A subsample underwent bone microindentation to assess BMSi.
Among the cohort’s 3008 women, ages 75-80 (mean, 77.8), 294 patients with T2D were compared with 2714 same-age unaffected women.
During a median follow-up of 7.3 years, 1071 incident fractures, 853 major osteoporotic fractures, and 232 hip fractures occurred. In models adjusted for age, BMI, clinical risk factors, and femoral neck BMD, T2D was associated with an increased risk of any fracture: hazard ratio (HR), 1.26; (95% CI, 1.04-1.54), and major osteoporotic fracture (HR, 1.25; 95% CI, 1.00-1.56).
Most fractures were due to falls, with the most common affected sites being the forearm, upper arm, spine, and hip, Dr. Lorentzon said.
Among the findings:
- In bone microarchitecture, women with T2D had higher BMD at all sites: total hip, 4.4% higher; femoral neck, 4.9% higher; and lumbar spine, 5.2% higher.
- At the tibia, the T2D group had 7.4% greater cortical area and 1.3% greater density, as well as 8.7% higher trabecular bone volume fraction.
“Our findings regarding BMD are consistent with previous publications showing higher BMD in individuals with T2D compared with those without diabetes,” Dr. Lorentzon said. A 2012 meta-analysis, for example, showed higher BMD levels in T2D patients. “Some smaller studies, however, have found worse bone microstructure and lower bone material strength in contrast to the results from our study,” Dr. Lorentzon said.
- There was no difference in BMSi, with a mean of 78 in both groups.
- The T2D group had lower performance on all physical function tests: a 9.7% lower grip strength, 9.9% slower gait speed, and 13.9% slower timed up-and-go time than women without diabetes.
“We found all parameters regarding physical function, such as muscle strength, balance, and performance, were much worse in women with diabetes than in those without,” Dr. Lorentzon said. “Dizziness could also be a contributor to the increased risk of falls, but this factor was not investigated in our study.”
Commenting on the study but not involved in it, Anthony J. Pick, MD, an endocrinologist at Northwestern Medicine Lake Forest Hospital in Lake Forest, Illinois, said sarcopenia is a common and often under-recognized problem in older adults and is especially prevalent in T2D, obesity, and heart failure. “I believe that ‘exercise is medicine’ is a key concept for metabolic and osteoporosis patients — and wellness and longevity in general — and I certainly hope studies like this drive awareness of the importance of engaging in strengthening exercises.”
Dr. Pick noted some nuances in this study suggesting there may be some impairments in bone quality beyond the strength and fall risk issue, “so this is likely a complex area.”
This study was supported by the Swedish Research Council, the Inga-Britt and Arne Lundberg Foundation, and Sahlgrenska University Hospital. Dr. Lorentzon reported personal fees from UCB Pharma, Amgen, Parexel International, Astellas, and Gedeon Richter outside the submitted work. Coauthor Dr. Johansson reported lecture fees from Union Chimique Belge (UCB) Pharma outside the submitted work. Dr. Axelsson reported personal fees from Amgen, Meda/Mylan, and Lilly outside the submitted work. Dr. Pick had no relevant conflicts of interest.
observational study in JAMA Network Open.
, according to a Swedish prospectiveThe study was conducted in more than 3000 Swedish women by Mattias Lorentzon, MD, a professor of geriatric medicine at Gothenburg University, and chief physician at the Osteoporosis Clinic at Sahlgrenska University Hospital in Mölndal, and colleagues.
Older women with T2D had higher BMD, better bone microarchitecture, and a similar bone material strength index (BMSi) but poorer physical performance and higher fracture risk than women without diabetes.
Women with T2D had 9.1% higher body weight, a 9.5% higher body mass index (BMI), and 6.3% higher appendicular lean mass index (lean mass divided by height squared) than controls.
The T2D group also had a lower prevalence of reported osteoporosis medication use vs controls: 3.4% vs 7.5%, respectively.
Prolonged diabetes treatment and insulin use were associated with higher fracture risk and poorer physical performance despite better bone characteristics.
“Our results demonstrate that checking and monitoring physical function is important to identify diabetes patients with a high risk of fractures and suggest that improving physical function may be important to reduce the risk of fractures in these patients,” Dr. Lorentzon told this news organization.
He speculated that the better bone microarchitecture in women with T2D could be due to both higher body weight and adiposity as well as to hormonal differences such as higher estradiol levels.
Study Details
A fractures study was performed in the Gothenburg area from March 2013 to May 2016 with follow-up of incident fracture data completed in March 2023. Data were collected from questionnaires and through examination of anthropometrics, physical function, and bone measurements using dual-energy x-ray absorptiometry and high-resolution peripheral computed tomography. A subsample underwent bone microindentation to assess BMSi.
Among the cohort’s 3008 women, ages 75-80 (mean, 77.8), 294 patients with T2D were compared with 2714 same-age unaffected women.
During a median follow-up of 7.3 years, 1071 incident fractures, 853 major osteoporotic fractures, and 232 hip fractures occurred. In models adjusted for age, BMI, clinical risk factors, and femoral neck BMD, T2D was associated with an increased risk of any fracture: hazard ratio (HR), 1.26; (95% CI, 1.04-1.54), and major osteoporotic fracture (HR, 1.25; 95% CI, 1.00-1.56).
Most fractures were due to falls, with the most common affected sites being the forearm, upper arm, spine, and hip, Dr. Lorentzon said.
Among the findings:
- In bone microarchitecture, women with T2D had higher BMD at all sites: total hip, 4.4% higher; femoral neck, 4.9% higher; and lumbar spine, 5.2% higher.
- At the tibia, the T2D group had 7.4% greater cortical area and 1.3% greater density, as well as 8.7% higher trabecular bone volume fraction.
“Our findings regarding BMD are consistent with previous publications showing higher BMD in individuals with T2D compared with those without diabetes,” Dr. Lorentzon said. A 2012 meta-analysis, for example, showed higher BMD levels in T2D patients. “Some smaller studies, however, have found worse bone microstructure and lower bone material strength in contrast to the results from our study,” Dr. Lorentzon said.
- There was no difference in BMSi, with a mean of 78 in both groups.
- The T2D group had lower performance on all physical function tests: a 9.7% lower grip strength, 9.9% slower gait speed, and 13.9% slower timed up-and-go time than women without diabetes.
“We found all parameters regarding physical function, such as muscle strength, balance, and performance, were much worse in women with diabetes than in those without,” Dr. Lorentzon said. “Dizziness could also be a contributor to the increased risk of falls, but this factor was not investigated in our study.”
Commenting on the study but not involved in it, Anthony J. Pick, MD, an endocrinologist at Northwestern Medicine Lake Forest Hospital in Lake Forest, Illinois, said sarcopenia is a common and often under-recognized problem in older adults and is especially prevalent in T2D, obesity, and heart failure. “I believe that ‘exercise is medicine’ is a key concept for metabolic and osteoporosis patients — and wellness and longevity in general — and I certainly hope studies like this drive awareness of the importance of engaging in strengthening exercises.”
Dr. Pick noted some nuances in this study suggesting there may be some impairments in bone quality beyond the strength and fall risk issue, “so this is likely a complex area.”
This study was supported by the Swedish Research Council, the Inga-Britt and Arne Lundberg Foundation, and Sahlgrenska University Hospital. Dr. Lorentzon reported personal fees from UCB Pharma, Amgen, Parexel International, Astellas, and Gedeon Richter outside the submitted work. Coauthor Dr. Johansson reported lecture fees from Union Chimique Belge (UCB) Pharma outside the submitted work. Dr. Axelsson reported personal fees from Amgen, Meda/Mylan, and Lilly outside the submitted work. Dr. Pick had no relevant conflicts of interest.
observational study in JAMA Network Open.
, according to a Swedish prospectiveThe study was conducted in more than 3000 Swedish women by Mattias Lorentzon, MD, a professor of geriatric medicine at Gothenburg University, and chief physician at the Osteoporosis Clinic at Sahlgrenska University Hospital in Mölndal, and colleagues.
Older women with T2D had higher BMD, better bone microarchitecture, and a similar bone material strength index (BMSi) but poorer physical performance and higher fracture risk than women without diabetes.
Women with T2D had 9.1% higher body weight, a 9.5% higher body mass index (BMI), and 6.3% higher appendicular lean mass index (lean mass divided by height squared) than controls.
The T2D group also had a lower prevalence of reported osteoporosis medication use vs controls: 3.4% vs 7.5%, respectively.
Prolonged diabetes treatment and insulin use were associated with higher fracture risk and poorer physical performance despite better bone characteristics.
“Our results demonstrate that checking and monitoring physical function is important to identify diabetes patients with a high risk of fractures and suggest that improving physical function may be important to reduce the risk of fractures in these patients,” Dr. Lorentzon told this news organization.
He speculated that the better bone microarchitecture in women with T2D could be due to both higher body weight and adiposity as well as to hormonal differences such as higher estradiol levels.
Study Details
A fractures study was performed in the Gothenburg area from March 2013 to May 2016 with follow-up of incident fracture data completed in March 2023. Data were collected from questionnaires and through examination of anthropometrics, physical function, and bone measurements using dual-energy x-ray absorptiometry and high-resolution peripheral computed tomography. A subsample underwent bone microindentation to assess BMSi.
Among the cohort’s 3008 women, ages 75-80 (mean, 77.8), 294 patients with T2D were compared with 2714 same-age unaffected women.
During a median follow-up of 7.3 years, 1071 incident fractures, 853 major osteoporotic fractures, and 232 hip fractures occurred. In models adjusted for age, BMI, clinical risk factors, and femoral neck BMD, T2D was associated with an increased risk of any fracture: hazard ratio (HR), 1.26; (95% CI, 1.04-1.54), and major osteoporotic fracture (HR, 1.25; 95% CI, 1.00-1.56).
Most fractures were due to falls, with the most common affected sites being the forearm, upper arm, spine, and hip, Dr. Lorentzon said.
Among the findings:
- In bone microarchitecture, women with T2D had higher BMD at all sites: total hip, 4.4% higher; femoral neck, 4.9% higher; and lumbar spine, 5.2% higher.
- At the tibia, the T2D group had 7.4% greater cortical area and 1.3% greater density, as well as 8.7% higher trabecular bone volume fraction.
“Our findings regarding BMD are consistent with previous publications showing higher BMD in individuals with T2D compared with those without diabetes,” Dr. Lorentzon said. A 2012 meta-analysis, for example, showed higher BMD levels in T2D patients. “Some smaller studies, however, have found worse bone microstructure and lower bone material strength in contrast to the results from our study,” Dr. Lorentzon said.
- There was no difference in BMSi, with a mean of 78 in both groups.
- The T2D group had lower performance on all physical function tests: a 9.7% lower grip strength, 9.9% slower gait speed, and 13.9% slower timed up-and-go time than women without diabetes.
“We found all parameters regarding physical function, such as muscle strength, balance, and performance, were much worse in women with diabetes than in those without,” Dr. Lorentzon said. “Dizziness could also be a contributor to the increased risk of falls, but this factor was not investigated in our study.”
Commenting on the study but not involved in it, Anthony J. Pick, MD, an endocrinologist at Northwestern Medicine Lake Forest Hospital in Lake Forest, Illinois, said sarcopenia is a common and often under-recognized problem in older adults and is especially prevalent in T2D, obesity, and heart failure. “I believe that ‘exercise is medicine’ is a key concept for metabolic and osteoporosis patients — and wellness and longevity in general — and I certainly hope studies like this drive awareness of the importance of engaging in strengthening exercises.”
Dr. Pick noted some nuances in this study suggesting there may be some impairments in bone quality beyond the strength and fall risk issue, “so this is likely a complex area.”
This study was supported by the Swedish Research Council, the Inga-Britt and Arne Lundberg Foundation, and Sahlgrenska University Hospital. Dr. Lorentzon reported personal fees from UCB Pharma, Amgen, Parexel International, Astellas, and Gedeon Richter outside the submitted work. Coauthor Dr. Johansson reported lecture fees from Union Chimique Belge (UCB) Pharma outside the submitted work. Dr. Axelsson reported personal fees from Amgen, Meda/Mylan, and Lilly outside the submitted work. Dr. Pick had no relevant conflicts of interest.
FROM JAMA NETWORK OPEN
US Experience With Infliximab Biosimilars Suggests Need for More Development Incentives
TOPLINE:
Uptake of infliximab biosimilars rose slowly across private insurance, Medicaid, and Medicare when two were available in the United States during 2016-2020 but increased significantly through 2022 after the third biosimilar became available in July 2020. However, prescriptions in Medicare still lagged behind those in private insurance and Medicaid.
METHODOLOGY:
- Researchers analyzed electronic health records from over 1100 US rheumatologists who participated in a national registry, the Rheumatology Informatics System for Effectiveness (RISE), for all infliximab administrations (bio-originator or biosimilar) to patients older than 18 years from April 2016 to September 2022.
- They conducted an interrupted time series to account for autocorrelation and model the effect of each infliximab biosimilar release (infliximab-dyyb in November 2016, infliximab-abda in July 2017, and infliximab-axxq in July 2020) on uptake across Medicare, Medicaid, and private insurers.
TAKEAWAY:
- The researchers identified 659,988 infliximab administrations for 37,560 unique patients, with 52% on Medicare, 4.8% on Medicaid, and 43% on private insurance.
- Biosimilar uptake rose slowly with average annual increases < 5% from 2016 to June 2020 (Medicare, 3.2%; Medicaid, 5.2%; private insurance, 1.8%).
- After the third biosimilar release in July 2020, the average annual increase reached 13% for Medicaid and 16.4% for private insurance but remained low for Medicare (5.6%).
- By September 2022, biosimilar uptake was higher for Medicaid (43.8%) and private insurance (38.5%) than for Medicare (24%).
IN PRACTICE:
“Our results suggest policymakers may need to do more to allow biosimilars to get a foothold in the market by incentivizing the development and entry of multiple biosimilars, address anticompetitive pricing strategies, and may need to amend Medicare policy to [incentivize] uptake in order to ensure a competitive and sustainable biosimilar market that gradually reduces total drug expenditures and out-of-pocket costs over time,” wrote the authors of the study.
SOURCE:
The study was led by Eric T. Roberts, PhD, University of California, San Francisco. It was published online on July 30, 2024, in Arthritis & Rheumatology.
LIMITATIONS:
First, while the biosimilar introductions are likely catalysts for many changes in the market, some changes in slopes may also be attributable to the natural growth of the market over time. Second, this study may neither be generalizable to academic medical centers, which are underrepresented in RISE, nor be generalizable to infliximab prescriptions from other specialties. Third, uptake among privately insured patients changed shortly after November-December 2020, raising the possibility that the delay reflected negotiations between insurance companies and relevant entities regarding formulary coverage.
DISCLOSURES:
This study was funded by grants from the Agency for Healthcare Research and Quality and the National Institute of Arthritis and Musculoskeletal and Skin Diseases. One author disclosed receiving consulting fees from Pfizer, AstraZeneca, and Bristol-Myers Squibb and grant funding from AstraZeneca, the Bristol-Myers Squibb Foundation, and Aurinia.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
TOPLINE:
Uptake of infliximab biosimilars rose slowly across private insurance, Medicaid, and Medicare when two were available in the United States during 2016-2020 but increased significantly through 2022 after the third biosimilar became available in July 2020. However, prescriptions in Medicare still lagged behind those in private insurance and Medicaid.
METHODOLOGY:
- Researchers analyzed electronic health records from over 1100 US rheumatologists who participated in a national registry, the Rheumatology Informatics System for Effectiveness (RISE), for all infliximab administrations (bio-originator or biosimilar) to patients older than 18 years from April 2016 to September 2022.
- They conducted an interrupted time series to account for autocorrelation and model the effect of each infliximab biosimilar release (infliximab-dyyb in November 2016, infliximab-abda in July 2017, and infliximab-axxq in July 2020) on uptake across Medicare, Medicaid, and private insurers.
TAKEAWAY:
- The researchers identified 659,988 infliximab administrations for 37,560 unique patients, with 52% on Medicare, 4.8% on Medicaid, and 43% on private insurance.
- Biosimilar uptake rose slowly with average annual increases < 5% from 2016 to June 2020 (Medicare, 3.2%; Medicaid, 5.2%; private insurance, 1.8%).
- After the third biosimilar release in July 2020, the average annual increase reached 13% for Medicaid and 16.4% for private insurance but remained low for Medicare (5.6%).
- By September 2022, biosimilar uptake was higher for Medicaid (43.8%) and private insurance (38.5%) than for Medicare (24%).
IN PRACTICE:
“Our results suggest policymakers may need to do more to allow biosimilars to get a foothold in the market by incentivizing the development and entry of multiple biosimilars, address anticompetitive pricing strategies, and may need to amend Medicare policy to [incentivize] uptake in order to ensure a competitive and sustainable biosimilar market that gradually reduces total drug expenditures and out-of-pocket costs over time,” wrote the authors of the study.
SOURCE:
The study was led by Eric T. Roberts, PhD, University of California, San Francisco. It was published online on July 30, 2024, in Arthritis & Rheumatology.
LIMITATIONS:
First, while the biosimilar introductions are likely catalysts for many changes in the market, some changes in slopes may also be attributable to the natural growth of the market over time. Second, this study may neither be generalizable to academic medical centers, which are underrepresented in RISE, nor be generalizable to infliximab prescriptions from other specialties. Third, uptake among privately insured patients changed shortly after November-December 2020, raising the possibility that the delay reflected negotiations between insurance companies and relevant entities regarding formulary coverage.
DISCLOSURES:
This study was funded by grants from the Agency for Healthcare Research and Quality and the National Institute of Arthritis and Musculoskeletal and Skin Diseases. One author disclosed receiving consulting fees from Pfizer, AstraZeneca, and Bristol-Myers Squibb and grant funding from AstraZeneca, the Bristol-Myers Squibb Foundation, and Aurinia.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
TOPLINE:
Uptake of infliximab biosimilars rose slowly across private insurance, Medicaid, and Medicare when two were available in the United States during 2016-2020 but increased significantly through 2022 after the third biosimilar became available in July 2020. However, prescriptions in Medicare still lagged behind those in private insurance and Medicaid.
METHODOLOGY:
- Researchers analyzed electronic health records from over 1100 US rheumatologists who participated in a national registry, the Rheumatology Informatics System for Effectiveness (RISE), for all infliximab administrations (bio-originator or biosimilar) to patients older than 18 years from April 2016 to September 2022.
- They conducted an interrupted time series to account for autocorrelation and model the effect of each infliximab biosimilar release (infliximab-dyyb in November 2016, infliximab-abda in July 2017, and infliximab-axxq in July 2020) on uptake across Medicare, Medicaid, and private insurers.
TAKEAWAY:
- The researchers identified 659,988 infliximab administrations for 37,560 unique patients, with 52% on Medicare, 4.8% on Medicaid, and 43% on private insurance.
- Biosimilar uptake rose slowly with average annual increases < 5% from 2016 to June 2020 (Medicare, 3.2%; Medicaid, 5.2%; private insurance, 1.8%).
- After the third biosimilar release in July 2020, the average annual increase reached 13% for Medicaid and 16.4% for private insurance but remained low for Medicare (5.6%).
- By September 2022, biosimilar uptake was higher for Medicaid (43.8%) and private insurance (38.5%) than for Medicare (24%).
IN PRACTICE:
“Our results suggest policymakers may need to do more to allow biosimilars to get a foothold in the market by incentivizing the development and entry of multiple biosimilars, address anticompetitive pricing strategies, and may need to amend Medicare policy to [incentivize] uptake in order to ensure a competitive and sustainable biosimilar market that gradually reduces total drug expenditures and out-of-pocket costs over time,” wrote the authors of the study.
SOURCE:
The study was led by Eric T. Roberts, PhD, University of California, San Francisco. It was published online on July 30, 2024, in Arthritis & Rheumatology.
LIMITATIONS:
First, while the biosimilar introductions are likely catalysts for many changes in the market, some changes in slopes may also be attributable to the natural growth of the market over time. Second, this study may neither be generalizable to academic medical centers, which are underrepresented in RISE, nor be generalizable to infliximab prescriptions from other specialties. Third, uptake among privately insured patients changed shortly after November-December 2020, raising the possibility that the delay reflected negotiations between insurance companies and relevant entities regarding formulary coverage.
DISCLOSURES:
This study was funded by grants from the Agency for Healthcare Research and Quality and the National Institute of Arthritis and Musculoskeletal and Skin Diseases. One author disclosed receiving consulting fees from Pfizer, AstraZeneca, and Bristol-Myers Squibb and grant funding from AstraZeneca, the Bristol-Myers Squibb Foundation, and Aurinia.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
Early Knee Osteoarthritis: Exercise Therapy’s Golden Window
TOPLINE:
People with knee osteoarthritis and symptoms for less than 1 year benefit more from exercise therapy than do those with longer symptom duration, especially when long-term outcomes are considered.
METHODOLOGY:
- Researchers conducted an individual participant data meta-analysis using data from the OA Trial Bank, including 1769 participants (mean age, 65.1 years; 66% women) with knee osteoarthritis from 10 randomized controlled trials.
- The participants were categorized on the basis of their symptom duration: ≤ 1 year, > 1 and ≤ 2 years, and > 2 years.
- This study included an exercise therapy group comprising land- and water-based therapeutic exercise interventions and a control group comprising no exercise or sham treatment.
- The primary outcomes were self-reported pain and physical function, standardized to a 0-100 scale, at short-term (closest to 3 months) and long-term (closest to 12 months) follow-ups.
TAKEAWAY:
- The overall pain and physical function associated with osteoarthritis improved in the exercise therapy group at both short- and long-term follow-ups compared with in the control group.
- Exercise therapy led to a greater improvement in short-term (mean difference [MD], −3.57; P = .028) and long-term (MD, −8.33; P < .001) pain among participants with a symptom duration ≤ 1 year vs > 1 year.
- Similarly, those with a symptom duration ≤ 2 years vs > 2 years who underwent exercise therapy showed greater benefits in terms of short-term (P = .001) and long-term (P < .001) pain.
- Exercise therapy improved long-term physical function in those with a symptom duration ≤ 1 year vs > 1 year (MD, −5.46; P = .005) and ≤ 2 years vs > 2 years (MD, −4.56; P = .001).
IN PRACTICE:
“Exercise should be encouraged as early as possible once symptoms emerge in the disease process to take advantage of its effects in potentially [slowing] disease progression within the suggested ‘window of opportunity,’ ” the authors wrote.
SOURCE:
The study was led by Marienke van Middelkoop, PhD, Erasmus MC Medical University, Rotterdam, the Netherlands. It was published online in Osteoarthritis and Cartilage.
LIMITATIONS:
The dataset of most studies included in the meta-analysis lacked information on the radiographic severity of osteoarthritis. The relatively short follow-up time hindered interpreting the impact of exercise on the long-term progression of osteoarthritis. The reliance on patient recall for recording symptom duration may have led to misclassification.
DISCLOSURES:
The Netherlands Organisation for Health Research and Development supported this study. Three authors received funding from the Dutch Arthritis Society for the program grant Center of Excellence “OA prevention and early treatment – OA Pearl.” One author declared receiving royalties for the UpToDate knee osteoarthritis clinical guidelines.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
TOPLINE:
People with knee osteoarthritis and symptoms for less than 1 year benefit more from exercise therapy than do those with longer symptom duration, especially when long-term outcomes are considered.
METHODOLOGY:
- Researchers conducted an individual participant data meta-analysis using data from the OA Trial Bank, including 1769 participants (mean age, 65.1 years; 66% women) with knee osteoarthritis from 10 randomized controlled trials.
- The participants were categorized on the basis of their symptom duration: ≤ 1 year, > 1 and ≤ 2 years, and > 2 years.
- This study included an exercise therapy group comprising land- and water-based therapeutic exercise interventions and a control group comprising no exercise or sham treatment.
- The primary outcomes were self-reported pain and physical function, standardized to a 0-100 scale, at short-term (closest to 3 months) and long-term (closest to 12 months) follow-ups.
TAKEAWAY:
- The overall pain and physical function associated with osteoarthritis improved in the exercise therapy group at both short- and long-term follow-ups compared with in the control group.
- Exercise therapy led to a greater improvement in short-term (mean difference [MD], −3.57; P = .028) and long-term (MD, −8.33; P < .001) pain among participants with a symptom duration ≤ 1 year vs > 1 year.
- Similarly, those with a symptom duration ≤ 2 years vs > 2 years who underwent exercise therapy showed greater benefits in terms of short-term (P = .001) and long-term (P < .001) pain.
- Exercise therapy improved long-term physical function in those with a symptom duration ≤ 1 year vs > 1 year (MD, −5.46; P = .005) and ≤ 2 years vs > 2 years (MD, −4.56; P = .001).
IN PRACTICE:
“Exercise should be encouraged as early as possible once symptoms emerge in the disease process to take advantage of its effects in potentially [slowing] disease progression within the suggested ‘window of opportunity,’ ” the authors wrote.
SOURCE:
The study was led by Marienke van Middelkoop, PhD, Erasmus MC Medical University, Rotterdam, the Netherlands. It was published online in Osteoarthritis and Cartilage.
LIMITATIONS:
The dataset of most studies included in the meta-analysis lacked information on the radiographic severity of osteoarthritis. The relatively short follow-up time hindered interpreting the impact of exercise on the long-term progression of osteoarthritis. The reliance on patient recall for recording symptom duration may have led to misclassification.
DISCLOSURES:
The Netherlands Organisation for Health Research and Development supported this study. Three authors received funding from the Dutch Arthritis Society for the program grant Center of Excellence “OA prevention and early treatment – OA Pearl.” One author declared receiving royalties for the UpToDate knee osteoarthritis clinical guidelines.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
TOPLINE:
People with knee osteoarthritis and symptoms for less than 1 year benefit more from exercise therapy than do those with longer symptom duration, especially when long-term outcomes are considered.
METHODOLOGY:
- Researchers conducted an individual participant data meta-analysis using data from the OA Trial Bank, including 1769 participants (mean age, 65.1 years; 66% women) with knee osteoarthritis from 10 randomized controlled trials.
- The participants were categorized on the basis of their symptom duration: ≤ 1 year, > 1 and ≤ 2 years, and > 2 years.
- This study included an exercise therapy group comprising land- and water-based therapeutic exercise interventions and a control group comprising no exercise or sham treatment.
- The primary outcomes were self-reported pain and physical function, standardized to a 0-100 scale, at short-term (closest to 3 months) and long-term (closest to 12 months) follow-ups.
TAKEAWAY:
- The overall pain and physical function associated with osteoarthritis improved in the exercise therapy group at both short- and long-term follow-ups compared with in the control group.
- Exercise therapy led to a greater improvement in short-term (mean difference [MD], −3.57; P = .028) and long-term (MD, −8.33; P < .001) pain among participants with a symptom duration ≤ 1 year vs > 1 year.
- Similarly, those with a symptom duration ≤ 2 years vs > 2 years who underwent exercise therapy showed greater benefits in terms of short-term (P = .001) and long-term (P < .001) pain.
- Exercise therapy improved long-term physical function in those with a symptom duration ≤ 1 year vs > 1 year (MD, −5.46; P = .005) and ≤ 2 years vs > 2 years (MD, −4.56; P = .001).
IN PRACTICE:
“Exercise should be encouraged as early as possible once symptoms emerge in the disease process to take advantage of its effects in potentially [slowing] disease progression within the suggested ‘window of opportunity,’ ” the authors wrote.
SOURCE:
The study was led by Marienke van Middelkoop, PhD, Erasmus MC Medical University, Rotterdam, the Netherlands. It was published online in Osteoarthritis and Cartilage.
LIMITATIONS:
The dataset of most studies included in the meta-analysis lacked information on the radiographic severity of osteoarthritis. The relatively short follow-up time hindered interpreting the impact of exercise on the long-term progression of osteoarthritis. The reliance on patient recall for recording symptom duration may have led to misclassification.
DISCLOSURES:
The Netherlands Organisation for Health Research and Development supported this study. Three authors received funding from the Dutch Arthritis Society for the program grant Center of Excellence “OA prevention and early treatment – OA Pearl.” One author declared receiving royalties for the UpToDate knee osteoarthritis clinical guidelines.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.