Effects of tirzepatide and bimagrumab on body fat, insulin sensitivity, and bone health in adults with obesity
Official title: Effects of tirzepatide and bimagrumab on body composition, insulin sensitivity, and bone in adults with obesity
Funded at Massachusetts General Hospital · NIH-11179342 · Data updated 2026-11-12
A study in adults with obesity will look at how two drugs, tirzepatide and bimagrumab, affect fat loss, insulin sensitivity, and bone health.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Massachusetts General Hospital NIH-funded |
| Lab location | 1 site (Boston, United States) |
| Project start | August 3, 2023 |
| Project end | April 30, 2029 |
| Funding year | 2026 |
| Award (this year) | $719,472 |
| NIH project number | 5R01DK136775-03 |
| Project ID | NIH-11179342 on NIH RePORTER |
Who could benefit from this research
✓Could help
Adults with obesity who are eligible and willing to participate in a treatment that may include tirzepatide and/or bimagrumab.
✕Less likely to help
Some participants may not experience the expected fat loss or bone benefits and could encounter side effects from the drugs.
What this research studies
If you have obesity, losing fat—especially visceral fat—can improve your heart and metabolic health, but losing too much lean muscle or bone can be risky. This research tests how tirzepatide combined with bimagrumab may help you lose fat while preserving muscle and bone, potentially improving insulin sensitivity. Participants would undergo treatments and assessments to measure body composition, bone density, and metabolic responses over time. The goal is to identify a weight-loss approach that benefits fat, muscle, and bone together in adults with obesity.
Why it matters
Potential benefit: If successful, this approach could help people lose fat more effectively while protecting muscle and bone, potentially lowering diabetes risk.
How similar studies have gone: Prior GLP-1 receptor agonists have shown fat loss benefits, and there is preclinical optimism about bone effects with related drugs.
Where this research is happening
-
Massachusetts General Hospital
Boston, United States Active
Researchers
- Principal investigator: Haines, Melanie Schorr — Massachusetts General Hospital
- Study coordinator: Haines, Melanie Schorr
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About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page.