NIH-funded research R01 grant

New treatments for pulmonary arterial hypertension using targeted medications

Official title: Systemically restricted 5-HT2B antagonists for pulmonary arterial hypertension

Funded at Vanderbilt University · NIH-11017857 · Data updated 2026-11-12

This study is working on new medications for people with pulmonary arterial hypertension (PAH) that aim to lower lung blood pressure without causing unwanted side effects like mood changes, so patients can have better treatment options.

More Hypertension research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionVanderbilt University
NIH-funded
Lab location1 site (Nashville, UNITED STATES)
Project startFebruary 1, 2024
Project endJanuary 31, 2028
Funding year2025
Award (this year)$612,104
NIH project number5R01HL172247-02
Project IDNIH-11017857 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals diagnosed with pulmonary arterial hypertension who are seeking new treatment options.

Less likely to help

Patients with other forms of pulmonary hypertension or those who do not have a diagnosis of pulmonary arterial hypertension may not benefit from this research.

What this research studies

This research focuses on developing new medications to treat pulmonary arterial hypertension (PAH), a serious condition that causes high blood pressure in the lungs. The approach involves creating selective antagonists for the serotonin 2B receptor that do not enter the brain, thereby reducing potential side effects like depression and aggression. The researchers will conduct safety and efficacy tests in preclinical models to ensure these new treatments are safe and effective before moving to clinical trials. This work aims to provide a much-needed therapeutic option for patients suffering from PAH.

Why it matters

Potential benefit: If successful, this research could lead to safer and more effective treatments for patients with pulmonary arterial hypertension.

How similar studies have gone: Previous research has shown promise in targeting serotonin receptors for PAH treatment, but this specific approach using systemically restricted antagonists is novel.

Where this research is happening

  • Vanderbilt University
    Nashville, United States
    Active

Researchers

  • Principal investigator: Merryman, William D — Vanderbilt University
  • Study coordinator: Merryman, William D

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.