NIH-funded research R01 grant

CD39-bearing tiny vesicles may guard lungs in SCD patients

Official title: CD39-carrying extracellular vesicles regulate pulmonary thrombosis in Sickle Cell Disease

Funded at Versiti Blood Health, INC. · NIH-11397728 · Data updated 2026-11-12

A study in people with sickle cell disease explores whether extracellular vesicles carrying CD39 protect the lungs from blood clots during acute illness.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionVersiti Blood Health, INC.
NIH-funded
Lab location1 site (Milwaukee, United States)
Project startAugust 1, 2023
Project endJuly 31, 2027
Funding year2026
Award (this year)$759,074
NIH project number5R01HL166345-04
Project IDNIH-11397728 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates are individuals with SCD at risk for acute pulmonary complications and/or researchers studying SCD-related thrombosis.

Less likely to help

Patients without sickle cell disease or without risk of pulmonary thrombosis may not benefit.

What this research studies

In people with sickle cell disease, acute lung complications due to clots are a major risk and current treatments are mainly supportive. This project focuses on tiny circulating vesicles that carry the enzyme CD39 and how they might reduce ADP-driven platelet clumping in the lungs during acute events. Researchers plan to study molecular pathways and test how these vesicles influence pulmonary thrombosis, aiming to identify targets for precision therapies. The goal is to understand why only some patients develop this complication and how to prevent it.

Why it matters

Potential benefit: If successful, the work could lead to new strategies to prevent or treat pulmonary thrombosis in sickle cell patients, improving lung health and hospitalization outcomes.

How similar studies have gone: Previous studies show a role for ADP signaling in thrombosis, but this specific CD39-bearing EV mechanism requires validation in humans.

Where this research is happening

  • Versiti Blood Health, INC.
    Milwaukee, United States
    Active

Researchers

  • Principal investigator: Sundd, Prithu — Versiti Blood Health, INC.
  • Study coordinator: Sundd, Prithu

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.