Investigating a blood biomarker for pulmonary arterial hypertension

NOTCH3 ECD as a Serum Biomarker for Pulmonary Arterial Hypertension

NIH-funded research University of California, San Diego · NIH-11135322

This study is looking at a protein in the blood called NOTCH3 ECD to see if it can help doctors understand how severe pulmonary arterial hypertension (PAH) is in patients, which could improve how the condition is diagnosed and treated.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of California, San Diego NIH-funded
Lab location1 site (La Jolla, United States)
Project IDNIH-11135322 on NIH RePORTER

What this research studies

This research focuses on understanding the NOTCH3 extracellular domain (ECD) as a potential serum biomarker for pulmonary arterial hypertension (PAH), a serious and progressive lung condition. The study aims to explore how NOTCH3 ECD levels in the blood correlate with the severity of PAH, which could help in diagnosing and monitoring the disease. Researchers will analyze blood samples to determine the relationship between NOTCH3 ECD and the pathological processes involved in PAH, potentially leading to new clinical applications. The findings could enable better patient management and treatment strategies for those affected by this condition.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals diagnosed with pulmonary arterial hypertension.

Not a fit: Patients with other forms of pulmonary hypertension or those without a diagnosis of pulmonary arterial hypertension may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved diagnostic tools and treatment options for patients with pulmonary arterial hypertension.

How similar studies have performed: Previous research has shown promising results in using biomarkers for various diseases, suggesting potential success for this novel approach in PAH.

Where this research is happening

La Jolla, 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.