NIH-funded research R01 grant

Understanding why weight loss plateaus in people with obesity

Official title: Physiological changes underlying the weight loss plateau in humans

Funded at University of Washington · NIH-11391109 · Data updated 2026-11-12

A study with adults to understand why body weight often stops dropping after initial loss and what brain and body signals are involved.

More Weight Loss research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Washington
NIH-funded
Lab location1 site (Seattle, United States)
Project startAugust 1, 2023
Project endJuly 31, 2027
Funding year2026
Award (this year)$745,985
NIH project number5R01DK134417-04
Project IDNIH-11391109 on NIH RePORTER

Who could benefit from this research

Could help

Adults with obesity or overweight who are participating in behavioral weight-loss programs and are at or beyond the initial weight-loss phase.

Less likely to help

Individuals not pursuing behavioral weight-loss programs or without weight-loss Plateaus may not directly benefit.

What this research studies

This project focuses on adults who are trying to lose weight through behavioral programs. It will examine how energy use, appetite signals, and brain areas related to reward change after weight loss. Researchers will measure mitochondrial activity in blood cells and assess tissue changes in muscle and fat to see how these relate to a plateau in weight loss. The goal is to identify biological and neural factors that make sustained weight loss harder and to inform future interventions.

Why it matters

Potential benefit: Findings could lead to better strategies to prevent weight regain after initial weight loss, improving long-term health.

How similar studies have gone: Preliminary evidence suggests metabolic and neural changes accompany weight loss, but more data are needed to confirm links to plateaus.

Where this research is happening

  • University of Washington
    Seattle, United States
    Active

Researchers

  • Principal investigator: Schur, Ellen a — University of Washington
  • Study coordinator: Schur, Ellen a

Related research

Other NIH-funded projects on the same topics.

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.