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The Effectiveness of Intermittent Fasting to Reduce Body Mass Index and Glucose Metabolism: A Systematic Review and Meta-Analysis

Authors
 Yongin Cho  ;  Namki Hong  ;  Kyung-won Kim  ;  Sung joon Cho  ;  Minyoung Lee  ;  Yeon-hee Lee  ;  Yong-ho Lee  ;  Eun Seok Kang  ;  Bong-Soo Cha  ;  Byung-Wan Lee 
Citation
 JOURNAL OF CLINICAL MEDICINE, Vol.8(10) : E1645, 2019 
Journal Title
 JOURNAL OF CLINICAL MEDICINE 
Issue Date
2019
Keywords
body mass index ; glucose metabolism ; insulin resistance ; intermittent fasting
Abstract
The effects of an intermittent fasting diet (IFD) in the general population are still controversial. In this study, we aimed to systematically evaluate the effectiveness of an IFD to reduce body mass index and glucose metabolism in the general population without diabetes mellitus. Cochrane, PubMed, and Embase databases were searched to identify randomized controlled trials and controlled clinical trials that compared an IFD with a regular diet or a continuous calorie restriction diet. The effectiveness of an IFD was estimated by the weighted mean difference (WMD) for several variables associated with glucometabolic parameters including body mass index (BMI) and fasting glucose. The pooled mean differences of outcomes were calculated using a random effects model. From 2814 studies identified through a literature search, we finally selected 12 articles (545 participants). Compared with a control diet, an IFD was associated with a significant decline in BMI (WMD, -0.75 kg/m2; 95% CI, -1.44 to -0.06), fasting glucose level (WMD, -4.16 mg/dL; 95% CI, -6.92 to -1.40), and homeostatic model assessment of insulin resistance (WMD, -0.54; 95% CI, -1.05 to -0.03). Fat mass (WMD, -0.98 kg; 95% CI, -2.32 to 0.36) tended to decrease in the IFD group with a significant increase in adiponectin (WMD, 1008.9 ng/mL; 95% CI, 140.5 to 1877.3) and a decrease in leptin (WMD, -0.51 ng/mL; 95% CI, -0.77 to -0.24) levels. An IFD may provide a significant metabolic benefit by improving glycemic control, insulin resistance, and adipokine concentration with a reduction of BMI in adults.
Files in This Item:
T201904767.pdf Download
DOI
10.3390/jcm8101645
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Eun Seok(강은석) ORCID logo https://orcid.org/0000-0002-0364-4675
Kim, Kyung-won(김경원)
Lee, Minyoung(이민영) ORCID logo https://orcid.org/0000-0002-9333-7512
Lee, Byung Wan(이병완) ORCID logo https://orcid.org/0000-0002-9899-4992
Lee, Yong Ho(이용호) ORCID logo https://orcid.org/0000-0002-6219-4942
Cho, Sung Joon(조성준)
Cha, Bong Soo(차봉수) ORCID logo https://orcid.org/0000-0003-0542-2854
Hong, Nam Ki(홍남기) ORCID logo https://orcid.org/0000-0002-8246-1956
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/173510
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