Melanocortin-4 receptor drugs to help sleep apnea in obesity
Official title: Melanocortin 4 receptor agonists to treat sleep disordered breathing in obesity
Funded at George Washington University · NIH-11385373 · Data updated 2026-11-12
A study tests MC4R-activating drugs to help people with obesity-related sleep-disordered breathing who struggle with current treatments.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | George Washington University NIH-funded |
| Lab location | 1 site (Washington, United States) |
| Project start | July 22, 2024 |
| Project end | April 30, 2028 |
| Funding year | 2026 |
| Award (this year) | $791,217 |
| NIH project number | 5R01HL174409-03 |
| Project ID | NIH-11385373 on NIH RePORTER |
Who could benefit from this research
✓Could help
Patients with obesity-related sleep-disordered breathing who have difficulty adhering to current non-invasive ventilation therapies.
✕Less likely to help
Patients without obesity-linked sleep-disordered breathing or those unlikely to respond to MC4R-targeted therapies may not benefit.
What this research studies
People with obesity-related sleep-disordered breathing often have high daytime CO2 levels and poor response to CO2 during sleep. This research looks at downstream targets of the leptin pathway, focusing on MC4R activation to improve breathing during sleep. The project uses animal models to identify how MC4R signaling could enhance the body’s response to CO2 and reduce sleep-related breathing problems, with the aim of translating findings toward a pharmacological option. If successful, this work could lay the groundwork for a new drug therapy to complement or replace non-invasive ventilation for some patients.
Why it matters
Potential benefit: If successful, it could lead to a new drug therapy that improves breathing during sleep for people with obesity-related sleep disorders.
How similar studies have gone: Preclinical data show MC4R activation improves breathing in animal models, suggesting potential translation to humans is plausible but not yet proven.
Where this research is happening
-
George Washington University
Washington, United States Active
Researchers
- Principal investigator: Polotsky, Vsevolod Y — George Washington University
- Study coordinator: Polotsky, Vsevolod Y
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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.