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This transcript has been edited for clarity.
This episode of Medicine Matters reviews highlights from the Advisory Committee on Immunization Practices’ (ACIP’s) October 2024 meeting, with new recommendations for pneumococcal, COVID, and meningococcal B (Men B) vaccines, as well as a safety update for maternal RSV vaccination.
Pneumococcal Vaccination and New Lower Age-Based Recommendations
New age-based recommendation. ACIP has lowered the age for routine vaccination with the pneumococcal conjugate vaccine (PCV) from age 65 down to age 50, but only with PCV. Review of data revealed that more than half of those in the 50- to 64-year-old age group already had a risk indication to receive a PCV dose. In addition, rates of invasive pneumococcal disease peak at younger ages in Black patients compared with White patients. The rate of invasive pneumococcal disease (IPD) among Black adults aged 50 or older exceeds the average rate of IPD for all adults aged 65 or older. The goal of this age-based change is to reduce disease in demographic groups with the highest burden of disease.
The new expanded age-based recommendation applies only to vaccination with PCV. Conjugate vaccines trigger memory B-cell production and therefore induce greater long-term immunity. New research is now focusing on higher-valent PCV vaccines. Two 24-valent pneumococcal conjugate vaccines and one 31-valent pneumococcal conjugate vaccine are now in advanced stages of development.
Risk-based recommendation. A risk-based recommendation for ages 19 through 49 years still applies to those with certain medical conditions, including diabetes; chronic heart, lung, liver, or kidney disease; and also for those with immunocompromising conditions. Risk-based recommendations are harder to implement particularly because many vaccines are now administered in pharmacies and pharmacists don’t know the patients as well as their physicians do, so it’s harder for them to know who should get the vaccine if the recommendation is based on risk.
COVID-19 Vaccines With Additional Dose Recommendations
Everyone 6 months or older is recommended to receive a dose of the updated 2024-2025 COVID vaccine. An additional updated COVID vaccine dose is now recommended for everyone aged 65 or older, and for those aged 6 months or older with immunocompromising (moderate or severe) conditions. Review of data revealed that 1 in 6 patients hospitalized with COVID have an immunocompromising condition, and 70% of COVID hospitalizations are in those aged 65 or older. This older age group also has the highest death rates due to COVID-19. We know that vaccination protection wanes with time. Data from previous studies show that additional vaccine doses provide additional protection. Additional doses are now being recommended for those at highest risk.
Timing of additional doses. This second dose is recommended at 6 months after the last updated COVID-19 vaccine dose. However, the additional dose can be given as early as 2 months after the last dose. Those who recently had COVID-19 can wait 3 months before getting an additional vaccine dose. This flexibility allows patients to maximize additional protection by timing additional doses around travel and life events, such as weddings, family get-togethers, or chemotherapy.
Those with immunocompromising conditions may receive more doses. Patients with immunocompromising conditions can receive even more additional doses, if recommended by their physician, under shared clinical decision-making.
Meningococcal Vaccines
Meningococcal disease is rare but deadly. The disease can progress rapidly. As many as 10%-15% of people with meningococcal infection die, even with appropriate antibiotic therapy. And for those who survive, about 20% suffer long-term sequalae (cognitive deficits, hearing loss, limb amputations).
Aligning Men B vaccine dosing intervals. The new ACIP vote applies only to Men B vaccines, of which there are two: one by GSK (brand name Bexsero), and the other by Wyeth, a Pfizer subsidiary (brand name Trumenba). The two MenB vaccine products are not interchangeable. The same type of MenB vaccine has to be used to complete the series.
The MenB vaccines initially had different dosing schedules and now they don’t. ACIP voted to harmonize and align the dosing schedule for the two different MenB products to mirror recent FDA (Food and Drug Administration) labeling updates. So now the dosing recommendations for both MenB vaccines are the same: either two doses given 6 months apart to healthy adolescents and young adults, or a three-dose series given at zero, 1-2 months, and 6 months for those at high risk or for those who want to optimize rapid protection (for example, if they are starting the series within 6 months of going off to college). But understand that the current recommendation for MenB vaccination for healthy adolescents and young adults is based on shared clinical decision-making, preferably for those aged 16-18.
MenACWY. Two doses of MenACWY are routinely recommended, with the first dose at age 11-12 and a second dose at age 16. The MenACWY vaccines are interchangeable.
Implementation challenges and new pentavalent vaccines. Having to use the same MenB vaccine product for all doses in a patient’s series is difficult. It’s even more difficult when the patient needs both MenACWY and MenB vaccinations.
Adding to the complexity is a new pentavalent vaccine from Pfizer (brand name Penbraya) that combines MenACWY with the MenB vaccine. And another pentavalent vaccine version by GSK is up for regulatory decision in February 2025.
The work group did say that they plan to take a fresh look at the meningococcal vaccination schedule. Let’s hope it gets simpler, so more to come on that.
Respiratory Syncytial Virus (RSV) Vaccines
Current RSV vaccine recommendations for older adults. RSV vaccine has both age- and risk-based recommendations. Now, everyone aged 75 or older needs a dose of RSV vaccine. Adults aged 60-75 with risk factors for severe RSV are also recommended to receive a dose of RSV vaccine, but not adults without these risk factors. The conditions associated with increased risk for severe RSV disease include lung disease, heart disease, immune compromise, diabetes, obesity with BMI (body mass index) of 40 or higher, neurologic or neuromuscular conditions, chronic kidney disease, liver disorders, and hematologic disorders. Frailty, as well as living in a nursing home or other long-term care facility, are other risk factors for severe RSV disease. Those aged 60-75 without these risk factors are no longer recommended to receive it.
Three RSV vaccines. We now have three RSV vaccine to choose from. Two are protein subunit vaccines. One is by Pfizer (brand name Abrysvo) that does not contain an adjuvant. The other protein-based RSV vaccine by GSK (brand name Arexvy) does contain an adjuvant. The third RSV vaccine by Moderna (brand name mRESVIA) uses an mRNA platform, and durability of protection is still unclear. However, recent studies now suggest that the RSV protein subunit vaccines confer 36 months of protection rather than only 24 months.
All three RSV vaccines are licensed for those aged 60 or older. The age indication for GSK’s RSV vaccine, Arexvy, has already been lowered by the FDA to age 50. FDA recently lowered the age approval for Abrysvo to age 18 for those at high risk. However, ACIP has not yet expanded its age recommendations for getting these vaccines. One of the main hesitations is vaccine safety concerns. FDA›s safety update presented to ACIP still suggests an increased risk for Guillain-Barré syndrome with both protein-based RSV vaccines among those aged 65 or older. Fortunately, the risk is rare: less than 10 cases per million vaccinations.
RSV immunization for infant protection. RSV season starts in October and goes through March. We now have two new ways to protect babies. One is a maternal RSV vaccine, given at 32-36 weeks of pregnancy to moms who will deliver their babies during RSV season. But only Pfizer’s RSV vaccine (brand name Abrysvo, without an adjuvant) can be given during pregnancy.
A maternal RSV vaccine safety update, presented at ACIP, was reassuring. Abrysvo was not associated with increased risk for preterm birth or small gestational age at birth.
Nirsevimab, a long-acting monoclonal antibody, can be given to infants. Nirsevimab is indicated for all babies under 8 months of age entering their first RSV season.
People who received a maternal RSV vaccine during a previous pregnancy are not recommended to receive additional doses during subsequent pregnancies. However, infants born to women who were vaccinated during a prior pregnancy should receive nirsevimab.
Sandra Adamson Fryhofer, Adjunct Clinical Associate Professor of Medicine, Emory University School of Medicine, Atlanta, Georgia, has disclosed conflicts of interest with the American Medical Association, the Medical Association of Atlanta, ACIP, and Medscape.
A version of this article first appeared on Medscape.com.
This transcript has been edited for clarity.
This episode of Medicine Matters reviews highlights from the Advisory Committee on Immunization Practices’ (ACIP’s) October 2024 meeting, with new recommendations for pneumococcal, COVID, and meningococcal B (Men B) vaccines, as well as a safety update for maternal RSV vaccination.
Pneumococcal Vaccination and New Lower Age-Based Recommendations
New age-based recommendation. ACIP has lowered the age for routine vaccination with the pneumococcal conjugate vaccine (PCV) from age 65 down to age 50, but only with PCV. Review of data revealed that more than half of those in the 50- to 64-year-old age group already had a risk indication to receive a PCV dose. In addition, rates of invasive pneumococcal disease peak at younger ages in Black patients compared with White patients. The rate of invasive pneumococcal disease (IPD) among Black adults aged 50 or older exceeds the average rate of IPD for all adults aged 65 or older. The goal of this age-based change is to reduce disease in demographic groups with the highest burden of disease.
The new expanded age-based recommendation applies only to vaccination with PCV. Conjugate vaccines trigger memory B-cell production and therefore induce greater long-term immunity. New research is now focusing on higher-valent PCV vaccines. Two 24-valent pneumococcal conjugate vaccines and one 31-valent pneumococcal conjugate vaccine are now in advanced stages of development.
Risk-based recommendation. A risk-based recommendation for ages 19 through 49 years still applies to those with certain medical conditions, including diabetes; chronic heart, lung, liver, or kidney disease; and also for those with immunocompromising conditions. Risk-based recommendations are harder to implement particularly because many vaccines are now administered in pharmacies and pharmacists don’t know the patients as well as their physicians do, so it’s harder for them to know who should get the vaccine if the recommendation is based on risk.
COVID-19 Vaccines With Additional Dose Recommendations
Everyone 6 months or older is recommended to receive a dose of the updated 2024-2025 COVID vaccine. An additional updated COVID vaccine dose is now recommended for everyone aged 65 or older, and for those aged 6 months or older with immunocompromising (moderate or severe) conditions. Review of data revealed that 1 in 6 patients hospitalized with COVID have an immunocompromising condition, and 70% of COVID hospitalizations are in those aged 65 or older. This older age group also has the highest death rates due to COVID-19. We know that vaccination protection wanes with time. Data from previous studies show that additional vaccine doses provide additional protection. Additional doses are now being recommended for those at highest risk.
Timing of additional doses. This second dose is recommended at 6 months after the last updated COVID-19 vaccine dose. However, the additional dose can be given as early as 2 months after the last dose. Those who recently had COVID-19 can wait 3 months before getting an additional vaccine dose. This flexibility allows patients to maximize additional protection by timing additional doses around travel and life events, such as weddings, family get-togethers, or chemotherapy.
Those with immunocompromising conditions may receive more doses. Patients with immunocompromising conditions can receive even more additional doses, if recommended by their physician, under shared clinical decision-making.
Meningococcal Vaccines
Meningococcal disease is rare but deadly. The disease can progress rapidly. As many as 10%-15% of people with meningococcal infection die, even with appropriate antibiotic therapy. And for those who survive, about 20% suffer long-term sequalae (cognitive deficits, hearing loss, limb amputations).
Aligning Men B vaccine dosing intervals. The new ACIP vote applies only to Men B vaccines, of which there are two: one by GSK (brand name Bexsero), and the other by Wyeth, a Pfizer subsidiary (brand name Trumenba). The two MenB vaccine products are not interchangeable. The same type of MenB vaccine has to be used to complete the series.
The MenB vaccines initially had different dosing schedules and now they don’t. ACIP voted to harmonize and align the dosing schedule for the two different MenB products to mirror recent FDA (Food and Drug Administration) labeling updates. So now the dosing recommendations for both MenB vaccines are the same: either two doses given 6 months apart to healthy adolescents and young adults, or a three-dose series given at zero, 1-2 months, and 6 months for those at high risk or for those who want to optimize rapid protection (for example, if they are starting the series within 6 months of going off to college). But understand that the current recommendation for MenB vaccination for healthy adolescents and young adults is based on shared clinical decision-making, preferably for those aged 16-18.
MenACWY. Two doses of MenACWY are routinely recommended, with the first dose at age 11-12 and a second dose at age 16. The MenACWY vaccines are interchangeable.
Implementation challenges and new pentavalent vaccines. Having to use the same MenB vaccine product for all doses in a patient’s series is difficult. It’s even more difficult when the patient needs both MenACWY and MenB vaccinations.
Adding to the complexity is a new pentavalent vaccine from Pfizer (brand name Penbraya) that combines MenACWY with the MenB vaccine. And another pentavalent vaccine version by GSK is up for regulatory decision in February 2025.
The work group did say that they plan to take a fresh look at the meningococcal vaccination schedule. Let’s hope it gets simpler, so more to come on that.
Respiratory Syncytial Virus (RSV) Vaccines
Current RSV vaccine recommendations for older adults. RSV vaccine has both age- and risk-based recommendations. Now, everyone aged 75 or older needs a dose of RSV vaccine. Adults aged 60-75 with risk factors for severe RSV are also recommended to receive a dose of RSV vaccine, but not adults without these risk factors. The conditions associated with increased risk for severe RSV disease include lung disease, heart disease, immune compromise, diabetes, obesity with BMI (body mass index) of 40 or higher, neurologic or neuromuscular conditions, chronic kidney disease, liver disorders, and hematologic disorders. Frailty, as well as living in a nursing home or other long-term care facility, are other risk factors for severe RSV disease. Those aged 60-75 without these risk factors are no longer recommended to receive it.
Three RSV vaccines. We now have three RSV vaccine to choose from. Two are protein subunit vaccines. One is by Pfizer (brand name Abrysvo) that does not contain an adjuvant. The other protein-based RSV vaccine by GSK (brand name Arexvy) does contain an adjuvant. The third RSV vaccine by Moderna (brand name mRESVIA) uses an mRNA platform, and durability of protection is still unclear. However, recent studies now suggest that the RSV protein subunit vaccines confer 36 months of protection rather than only 24 months.
All three RSV vaccines are licensed for those aged 60 or older. The age indication for GSK’s RSV vaccine, Arexvy, has already been lowered by the FDA to age 50. FDA recently lowered the age approval for Abrysvo to age 18 for those at high risk. However, ACIP has not yet expanded its age recommendations for getting these vaccines. One of the main hesitations is vaccine safety concerns. FDA›s safety update presented to ACIP still suggests an increased risk for Guillain-Barré syndrome with both protein-based RSV vaccines among those aged 65 or older. Fortunately, the risk is rare: less than 10 cases per million vaccinations.
RSV immunization for infant protection. RSV season starts in October and goes through March. We now have two new ways to protect babies. One is a maternal RSV vaccine, given at 32-36 weeks of pregnancy to moms who will deliver their babies during RSV season. But only Pfizer’s RSV vaccine (brand name Abrysvo, without an adjuvant) can be given during pregnancy.
A maternal RSV vaccine safety update, presented at ACIP, was reassuring. Abrysvo was not associated with increased risk for preterm birth or small gestational age at birth.
Nirsevimab, a long-acting monoclonal antibody, can be given to infants. Nirsevimab is indicated for all babies under 8 months of age entering their first RSV season.
People who received a maternal RSV vaccine during a previous pregnancy are not recommended to receive additional doses during subsequent pregnancies. However, infants born to women who were vaccinated during a prior pregnancy should receive nirsevimab.
Sandra Adamson Fryhofer, Adjunct Clinical Associate Professor of Medicine, Emory University School of Medicine, Atlanta, Georgia, has disclosed conflicts of interest with the American Medical Association, the Medical Association of Atlanta, ACIP, and Medscape.
A version of this article first appeared on Medscape.com.
This transcript has been edited for clarity.
This episode of Medicine Matters reviews highlights from the Advisory Committee on Immunization Practices’ (ACIP’s) October 2024 meeting, with new recommendations for pneumococcal, COVID, and meningococcal B (Men B) vaccines, as well as a safety update for maternal RSV vaccination.
Pneumococcal Vaccination and New Lower Age-Based Recommendations
New age-based recommendation. ACIP has lowered the age for routine vaccination with the pneumococcal conjugate vaccine (PCV) from age 65 down to age 50, but only with PCV. Review of data revealed that more than half of those in the 50- to 64-year-old age group already had a risk indication to receive a PCV dose. In addition, rates of invasive pneumococcal disease peak at younger ages in Black patients compared with White patients. The rate of invasive pneumococcal disease (IPD) among Black adults aged 50 or older exceeds the average rate of IPD for all adults aged 65 or older. The goal of this age-based change is to reduce disease in demographic groups with the highest burden of disease.
The new expanded age-based recommendation applies only to vaccination with PCV. Conjugate vaccines trigger memory B-cell production and therefore induce greater long-term immunity. New research is now focusing on higher-valent PCV vaccines. Two 24-valent pneumococcal conjugate vaccines and one 31-valent pneumococcal conjugate vaccine are now in advanced stages of development.
Risk-based recommendation. A risk-based recommendation for ages 19 through 49 years still applies to those with certain medical conditions, including diabetes; chronic heart, lung, liver, or kidney disease; and also for those with immunocompromising conditions. Risk-based recommendations are harder to implement particularly because many vaccines are now administered in pharmacies and pharmacists don’t know the patients as well as their physicians do, so it’s harder for them to know who should get the vaccine if the recommendation is based on risk.
COVID-19 Vaccines With Additional Dose Recommendations
Everyone 6 months or older is recommended to receive a dose of the updated 2024-2025 COVID vaccine. An additional updated COVID vaccine dose is now recommended for everyone aged 65 or older, and for those aged 6 months or older with immunocompromising (moderate or severe) conditions. Review of data revealed that 1 in 6 patients hospitalized with COVID have an immunocompromising condition, and 70% of COVID hospitalizations are in those aged 65 or older. This older age group also has the highest death rates due to COVID-19. We know that vaccination protection wanes with time. Data from previous studies show that additional vaccine doses provide additional protection. Additional doses are now being recommended for those at highest risk.
Timing of additional doses. This second dose is recommended at 6 months after the last updated COVID-19 vaccine dose. However, the additional dose can be given as early as 2 months after the last dose. Those who recently had COVID-19 can wait 3 months before getting an additional vaccine dose. This flexibility allows patients to maximize additional protection by timing additional doses around travel and life events, such as weddings, family get-togethers, or chemotherapy.
Those with immunocompromising conditions may receive more doses. Patients with immunocompromising conditions can receive even more additional doses, if recommended by their physician, under shared clinical decision-making.
Meningococcal Vaccines
Meningococcal disease is rare but deadly. The disease can progress rapidly. As many as 10%-15% of people with meningococcal infection die, even with appropriate antibiotic therapy. And for those who survive, about 20% suffer long-term sequalae (cognitive deficits, hearing loss, limb amputations).
Aligning Men B vaccine dosing intervals. The new ACIP vote applies only to Men B vaccines, of which there are two: one by GSK (brand name Bexsero), and the other by Wyeth, a Pfizer subsidiary (brand name Trumenba). The two MenB vaccine products are not interchangeable. The same type of MenB vaccine has to be used to complete the series.
The MenB vaccines initially had different dosing schedules and now they don’t. ACIP voted to harmonize and align the dosing schedule for the two different MenB products to mirror recent FDA (Food and Drug Administration) labeling updates. So now the dosing recommendations for both MenB vaccines are the same: either two doses given 6 months apart to healthy adolescents and young adults, or a three-dose series given at zero, 1-2 months, and 6 months for those at high risk or for those who want to optimize rapid protection (for example, if they are starting the series within 6 months of going off to college). But understand that the current recommendation for MenB vaccination for healthy adolescents and young adults is based on shared clinical decision-making, preferably for those aged 16-18.
MenACWY. Two doses of MenACWY are routinely recommended, with the first dose at age 11-12 and a second dose at age 16. The MenACWY vaccines are interchangeable.
Implementation challenges and new pentavalent vaccines. Having to use the same MenB vaccine product for all doses in a patient’s series is difficult. It’s even more difficult when the patient needs both MenACWY and MenB vaccinations.
Adding to the complexity is a new pentavalent vaccine from Pfizer (brand name Penbraya) that combines MenACWY with the MenB vaccine. And another pentavalent vaccine version by GSK is up for regulatory decision in February 2025.
The work group did say that they plan to take a fresh look at the meningococcal vaccination schedule. Let’s hope it gets simpler, so more to come on that.
Respiratory Syncytial Virus (RSV) Vaccines
Current RSV vaccine recommendations for older adults. RSV vaccine has both age- and risk-based recommendations. Now, everyone aged 75 or older needs a dose of RSV vaccine. Adults aged 60-75 with risk factors for severe RSV are also recommended to receive a dose of RSV vaccine, but not adults without these risk factors. The conditions associated with increased risk for severe RSV disease include lung disease, heart disease, immune compromise, diabetes, obesity with BMI (body mass index) of 40 or higher, neurologic or neuromuscular conditions, chronic kidney disease, liver disorders, and hematologic disorders. Frailty, as well as living in a nursing home or other long-term care facility, are other risk factors for severe RSV disease. Those aged 60-75 without these risk factors are no longer recommended to receive it.
Three RSV vaccines. We now have three RSV vaccine to choose from. Two are protein subunit vaccines. One is by Pfizer (brand name Abrysvo) that does not contain an adjuvant. The other protein-based RSV vaccine by GSK (brand name Arexvy) does contain an adjuvant. The third RSV vaccine by Moderna (brand name mRESVIA) uses an mRNA platform, and durability of protection is still unclear. However, recent studies now suggest that the RSV protein subunit vaccines confer 36 months of protection rather than only 24 months.
All three RSV vaccines are licensed for those aged 60 or older. The age indication for GSK’s RSV vaccine, Arexvy, has already been lowered by the FDA to age 50. FDA recently lowered the age approval for Abrysvo to age 18 for those at high risk. However, ACIP has not yet expanded its age recommendations for getting these vaccines. One of the main hesitations is vaccine safety concerns. FDA›s safety update presented to ACIP still suggests an increased risk for Guillain-Barré syndrome with both protein-based RSV vaccines among those aged 65 or older. Fortunately, the risk is rare: less than 10 cases per million vaccinations.
RSV immunization for infant protection. RSV season starts in October and goes through March. We now have two new ways to protect babies. One is a maternal RSV vaccine, given at 32-36 weeks of pregnancy to moms who will deliver their babies during RSV season. But only Pfizer’s RSV vaccine (brand name Abrysvo, without an adjuvant) can be given during pregnancy.
A maternal RSV vaccine safety update, presented at ACIP, was reassuring. Abrysvo was not associated with increased risk for preterm birth or small gestational age at birth.
Nirsevimab, a long-acting monoclonal antibody, can be given to infants. Nirsevimab is indicated for all babies under 8 months of age entering their first RSV season.
People who received a maternal RSV vaccine during a previous pregnancy are not recommended to receive additional doses during subsequent pregnancies. However, infants born to women who were vaccinated during a prior pregnancy should receive nirsevimab.
Sandra Adamson Fryhofer, Adjunct Clinical Associate Professor of Medicine, Emory University School of Medicine, Atlanta, Georgia, has disclosed conflicts of interest with the American Medical Association, the Medical Association of Atlanta, ACIP, and Medscape.
A version of this article first appeared on Medscape.com.