NIH-funded research R01 grant

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.

More Obesity research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionGeorge Washington University
NIH-funded
Lab location1 site (Washington, United States)
Project startJuly 22, 2024
Project endApril 30, 2028
Funding year2026
Award (this year)$791,217
NIH project number5R01HL174409-03
Project IDNIH-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

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.