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Weight losses with low-energy formula diets in obese patients with and without type 2 diabetes: Systematic review and meta-analysis

Lookup NU author(s): Professor Roy Taylor

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND).


Abstract

Aim:To provide a systematic review, of published data, to compare weight losses following very low calorie (<800 kcal per day VLCD) or low-energy liquid-formula (>800 kcal per day LELD) diets, in people with and without type 2 diabetes mellitus (T2DM).Methods:Systematic electronic searches of Medline (1946-2015) and Embase (1947-2015) to identify published studies using formula total diet replacement diets (VLCD/LELD). Random effects meta-analysis using weighted mean difference (WMD) in body weight between groups (with and without diabetes) as the summary estimate.Results:Final weight loss, in the five included studies, weighted for study sizes, (n=569, mean BMI=35.5-42.6 kg/m 2), was not significantly different between participants with and without T2DM: -1.2 kg; 95% CI: -4.1 to 1.6 kg). Rates of weight loss were also similar in the two groups -0.6 kg per week (T2DM) and 0.5 kg per week (no diabetes), and for VLCD (<800 kcal per day) and LELD (>800 kcal per day).Conclusions:Weight losses with liquid-formula diets are very similar for VLCD and LELD and for obese subjects with or without T2DM. They can potentially achieve new weight loss/ maintenance targets of >15-20% for people with severe and medically complicated obesity.


Publication metadata

Author(s): Leslie WS, Taylor R, Harris L, Lean MEJ

Publication type: Review

Publication status: Published

Journal: International Journal of Obesity

Year: 2017

Volume: 41

Issue: 1

Pages: 96-101

Online publication date: 06/12/2016

Acceptance date: 15/09/2016

ISSN (print): 0307-0565

ISSN (electronic): 1476-5497

Publisher: Nature Publishing Group

URL: https://doi.org/10.1038/ijo.2016.175

DOI: 10.1038/ijo.2016.175


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