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TOPLINE:
Intermittent calorie restriction (CR) diet is more effective in reducing liver fat content than a standard-of-care diet in patients with metabolic dysfunction–associated steatotic liver disease (MASLD), especially in those with obesity.
METHODOLOGY:
- Intermittent CR, which involves alternating periods of energy restriction and regular energy intake, has been proposed as a dietary intervention for MASLD.
- Researchers conducted a 12-week randomized controlled trial to compare the effects of a 5:2 intermittent CR and standard-of-care diet in nondiabetic patients with MASLD with or without obesity at an outpatient clinic in Korea.
- Intermittent CR comprised a reduced calorie consumption (500 kcal/d for women and 600 kcal/d for men) on 2 nonconsecutive days a week and, on the remaining 5 days/wk, following the Korean Dietary Reference Intakes (2000 kcal/d for women and 2500 kcal/d for men).
- The standard diet involved the consumption of 80% of the recommended calories (1200-1500 kcal/d for women and 1500-1800 kcal/d for men, or reducing 500-1000 kcal/d).
- The primary outcome was a relative reduction of ≥ 30% in the liver fat content measured by MRI-proton density fat fraction after 12 weeks.
- The secondary outcomes included changes in liver fibrosis, body weight, and body composition from baseline to week 12.
TAKEAWAY:
- Researchers enrolled 72 participants (36 patients with obesity and 36 without), with 63 completing the trial; of these, 32 received an intermittent CR diet (median age, 47.0 years; 58.8% men) and 31 received a standard-of-care diet (median age, 53.0 years; 36.4% men).
- A higher proportion of patients in the intermittent CR group achieved a relative reduction of ≥ 30% in the liver fat content at 12 weeks than the standard-of-care group (72.2% vs 44.4%; P = .033).
- These findings were even more prominent among those with obesity (61.1% in the intermittent CR group vs 27.7% in the standard-of-care group; P = .030).
- Patients with obesity in the intermittent CR group also showed a greater relative reduction in body weight than those in the standard-of-care group (–5.5% vs –2.9%; P = .022).
- Intermittent CR had no apparent effects on body composition, liver enzymes, or the lipid and glucose profiles of those with or without obesity.
IN PRACTICE:
“These results support the recommendation of a 5:2 [intermittent CR] diet as a useful dietary strategy for patients with MASLD,” the authors wrote.
SOURCE:
The study, led by Han Ah Lee, PhD, Department of Internal Medicine, College of Medicine, Chung-Ang University, Seoul, South Korea, was published online in Clinical Gastroenterology and Hepatology.
LIMITATIONS:
The intervention period of 12 weeks was relatively short, limiting the ability to observe long-term effects. The study did not reveal the effects of intermittent CR on histologic metabolic dysfunction–associated steatohepatitis or significantly advanced fibrosis. The study was conducted at a single center located in an urban, metropolitan area in Korea, which may limit the applicability of the findings to other populations.
DISCLOSURES:
This study was supported in part by a grant from the National Research Foundation of Korea funded by the Ministry of Science and ICT. The authors declared no conflicts of interest.
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:
Intermittent calorie restriction (CR) diet is more effective in reducing liver fat content than a standard-of-care diet in patients with metabolic dysfunction–associated steatotic liver disease (MASLD), especially in those with obesity.
METHODOLOGY:
- Intermittent CR, which involves alternating periods of energy restriction and regular energy intake, has been proposed as a dietary intervention for MASLD.
- Researchers conducted a 12-week randomized controlled trial to compare the effects of a 5:2 intermittent CR and standard-of-care diet in nondiabetic patients with MASLD with or without obesity at an outpatient clinic in Korea.
- Intermittent CR comprised a reduced calorie consumption (500 kcal/d for women and 600 kcal/d for men) on 2 nonconsecutive days a week and, on the remaining 5 days/wk, following the Korean Dietary Reference Intakes (2000 kcal/d for women and 2500 kcal/d for men).
- The standard diet involved the consumption of 80% of the recommended calories (1200-1500 kcal/d for women and 1500-1800 kcal/d for men, or reducing 500-1000 kcal/d).
- The primary outcome was a relative reduction of ≥ 30% in the liver fat content measured by MRI-proton density fat fraction after 12 weeks.
- The secondary outcomes included changes in liver fibrosis, body weight, and body composition from baseline to week 12.
TAKEAWAY:
- Researchers enrolled 72 participants (36 patients with obesity and 36 without), with 63 completing the trial; of these, 32 received an intermittent CR diet (median age, 47.0 years; 58.8% men) and 31 received a standard-of-care diet (median age, 53.0 years; 36.4% men).
- A higher proportion of patients in the intermittent CR group achieved a relative reduction of ≥ 30% in the liver fat content at 12 weeks than the standard-of-care group (72.2% vs 44.4%; P = .033).
- These findings were even more prominent among those with obesity (61.1% in the intermittent CR group vs 27.7% in the standard-of-care group; P = .030).
- Patients with obesity in the intermittent CR group also showed a greater relative reduction in body weight than those in the standard-of-care group (–5.5% vs –2.9%; P = .022).
- Intermittent CR had no apparent effects on body composition, liver enzymes, or the lipid and glucose profiles of those with or without obesity.
IN PRACTICE:
“These results support the recommendation of a 5:2 [intermittent CR] diet as a useful dietary strategy for patients with MASLD,” the authors wrote.
SOURCE:
The study, led by Han Ah Lee, PhD, Department of Internal Medicine, College of Medicine, Chung-Ang University, Seoul, South Korea, was published online in Clinical Gastroenterology and Hepatology.
LIMITATIONS:
The intervention period of 12 weeks was relatively short, limiting the ability to observe long-term effects. The study did not reveal the effects of intermittent CR on histologic metabolic dysfunction–associated steatohepatitis or significantly advanced fibrosis. The study was conducted at a single center located in an urban, metropolitan area in Korea, which may limit the applicability of the findings to other populations.
DISCLOSURES:
This study was supported in part by a grant from the National Research Foundation of Korea funded by the Ministry of Science and ICT. The authors declared no conflicts of interest.
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:
Intermittent calorie restriction (CR) diet is more effective in reducing liver fat content than a standard-of-care diet in patients with metabolic dysfunction–associated steatotic liver disease (MASLD), especially in those with obesity.
METHODOLOGY:
- Intermittent CR, which involves alternating periods of energy restriction and regular energy intake, has been proposed as a dietary intervention for MASLD.
- Researchers conducted a 12-week randomized controlled trial to compare the effects of a 5:2 intermittent CR and standard-of-care diet in nondiabetic patients with MASLD with or without obesity at an outpatient clinic in Korea.
- Intermittent CR comprised a reduced calorie consumption (500 kcal/d for women and 600 kcal/d for men) on 2 nonconsecutive days a week and, on the remaining 5 days/wk, following the Korean Dietary Reference Intakes (2000 kcal/d for women and 2500 kcal/d for men).
- The standard diet involved the consumption of 80% of the recommended calories (1200-1500 kcal/d for women and 1500-1800 kcal/d for men, or reducing 500-1000 kcal/d).
- The primary outcome was a relative reduction of ≥ 30% in the liver fat content measured by MRI-proton density fat fraction after 12 weeks.
- The secondary outcomes included changes in liver fibrosis, body weight, and body composition from baseline to week 12.
TAKEAWAY:
- Researchers enrolled 72 participants (36 patients with obesity and 36 without), with 63 completing the trial; of these, 32 received an intermittent CR diet (median age, 47.0 years; 58.8% men) and 31 received a standard-of-care diet (median age, 53.0 years; 36.4% men).
- A higher proportion of patients in the intermittent CR group achieved a relative reduction of ≥ 30% in the liver fat content at 12 weeks than the standard-of-care group (72.2% vs 44.4%; P = .033).
- These findings were even more prominent among those with obesity (61.1% in the intermittent CR group vs 27.7% in the standard-of-care group; P = .030).
- Patients with obesity in the intermittent CR group also showed a greater relative reduction in body weight than those in the standard-of-care group (–5.5% vs –2.9%; P = .022).
- Intermittent CR had no apparent effects on body composition, liver enzymes, or the lipid and glucose profiles of those with or without obesity.
IN PRACTICE:
“These results support the recommendation of a 5:2 [intermittent CR] diet as a useful dietary strategy for patients with MASLD,” the authors wrote.
SOURCE:
The study, led by Han Ah Lee, PhD, Department of Internal Medicine, College of Medicine, Chung-Ang University, Seoul, South Korea, was published online in Clinical Gastroenterology and Hepatology.
LIMITATIONS:
The intervention period of 12 weeks was relatively short, limiting the ability to observe long-term effects. The study did not reveal the effects of intermittent CR on histologic metabolic dysfunction–associated steatohepatitis or significantly advanced fibrosis. The study was conducted at a single center located in an urban, metropolitan area in Korea, which may limit the applicability of the findings to other populations.
DISCLOSURES:
This study was supported in part by a grant from the National Research Foundation of Korea funded by the Ministry of Science and ICT. The authors declared no conflicts of interest.
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.