Study2020

Time-Restricted Eating Effects on Body Composition and Metabolic Measures in Humans who are Overweight: A Feasibility Study

Chow LS, Manoogian ENC, Alvear A, Fleischer JG, Thor H, Dietsche K, Wang Q, Hodges JS, Esch N, Malaeb S, Harindhanavudhi T, Nair KS, Panda S, Mashek DG

Obesity (Silver Spring, Md.) · 298 citations

How it was studied

Design
Randomized controlled trial (classified by our AI screen)
Studied in
People
Main outcome
Health markers and function

Who paid for it

Funding
Independent funding
Government
National Cancer Institute
Government
National Center for Advancing Translational Sciences
Government
NCATS NIH HHS
Unclassified
Healthy Foods Healthy Lives
Government
NCI NIH HHS
Grants
National Center for Advancing Translational Sciences ((UL1-TR002494)); National Cancer Institute (P30 CA-014195)

Based on 5 listed funder(s).

Publication

Published
2020-04-09 · Obesity (Silver Spring) · vol. 28 · issue 5 · pp. 860–869
Publisher
Wiley
Cited
363 citations · more than 100% of similar papers · 22.8× the field average
Impact
Top 10% most cited in its field
References
39 works
Access
Open access (repository copy)
Research areas
Dietary Effects on Health · Circadian rhythm and melatonin · Enhanced Recovery After Surgery
Keywords
Overweight, Medicine, Weight loss, Lean body mass, Obesity, Randomized controlled trial, Body mass index, Anthropometry, Internal medicine, Animal science, Endocrinology, Body weight, Physical therapy, Biology
MeSH
humans, obesity, feasibility studies, body composition, adolescent, adult, aged, middle aged, female, male, overweight, young adult

14 authors

From US

  • Lisa Senye Chow · correspondingUniversity of Minnesota
  • Emily N. C. ManoogianSalk Institute for Biological Studies
  • ALISON C. ALVEARUniversity of Minnesota
  • Jason G. FleischerSalk Institute for Biological Studies
  • Honoree ThorUniversity of Minnesota
  • KATRINA B. DIETSCHEUniversity of Minnesota

Abstract

Objective

In contrast to intentionally restricting energy intake, restricting the eating window may be an option for treating obesity. By comparing time-restricted eating (TRE) with an unrestricted (non-TRE) control, it was hypothesized that TRE facilitates weight loss, alters body composition, and improves metabolic measures.

Methods

Participants (17 women and 3 men; mean [SD]: 45.5 [12.1] years; BMI 34.1 [7.5] kg/m2 ) with a prolonged eating window (15.4 [0.9] hours) were randomized to TRE (n = 11: 8-hour window, unrestricted eating within window) versus non-TRE (n = 9: unrestricted eating) for 12 weeks. Weight, body composition (dual x-ray absorptiometry), lipids, blood pressure, 2-hour oral glucose tolerance, 2-week continuous glucose monitoring, and 2-week physical activity (actigraphy assessed) were measured during the pre- and end-intervention periods.

Results

The TRE group significantly reduced the eating window (end-intervention window: 9.9 [2.0] hours) compared with the non-TRE group (end-intervention window: 15.1 [1.1] hours) (P < 0.01). Compared with non-TRE, TRE decreased the number of eating occasions, weight, lean mass, and visceral fat (all P ≤ 0.05). Compared with preintervention measures, the TRE group reduced the number of eating occasions (-21.9% [30.1%]) and reduced weight (-3.7% [1.8%]), fat mass (-4% [2.9%]), lean mass (-3.0% [2.7%]), and visceral fat (-11.1% [13.4%]) (all P ≤ 0.05). Physical activity and metabolic measures remained unchanged.

Conclusions

In the setting of a randomized trial, TRE presents a simplified view of food intake that reduces weight.

Abstract via Europe PMC. Copyright remains with the authors or publisher.

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