How weight change affects knee osteoarthritis in people who are overweight or obese

Understanding the mechanisms by which weight change affects progression of knee osteoarthritis in obese and overweight individuals: An analysis of the Osteoarthritis Initiative Dataset

NIH-funded research University of California, San Francisco · NIH-11225134

This project looks at how losing or gaining weight affects knee arthritis in adults who are overweight or obese.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of California, San Francisco NIH-funded
Lab location1 site (San Francisco, United States)
Project IDNIH-11225134 on NIH RePORTER

What this research studies

You or others like you who are overweight with knee OA were followed in the Osteoarthritis Initiative, and this project uses that existing data. The team will link patterns of weight loss and weight gain to changes in knee cartilage and symptoms over time. They will examine possible reasons for those links, including blood markers of inflammation, fat around the knee, and muscle size and strength. This is an analysis of past clinical visits, imaging, and body-composition measurements rather than a new treatment trial.

Who could benefit from this research

Good fit: Adults who are overweight or obese and have, or are at risk for, knee osteoarthritis would be the most relevant group for the findings.

Not a fit: People without knee osteoarthritis, those at a healthy weight, or those with end-stage knee damage unlikely to respond to weight-related changes may not benefit directly from the results.

Why it matters

Potential benefit: If successful, this work could show which parts of weight change (less joint load, lower inflammation, or improved muscle) most help slow knee OA and point to targeted ways to reduce pain and disability.

How similar studies have performed: Prior clinical studies have shown that weight loss can slow OA progression, but the specific biological and mechanical pathways remain unclear, so this analysis builds on established findings.

Where this research is happening

San Francisco, United States

Researchers

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 below.
Last reviewed 2026-06-13 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.