NIH-funded research R01 grant

A New Long-Lasting RNA Treatment for Bleeding Disorders

Official title: Understanding and Controlling the Contribution of Fibrinolysis to Bleeding Using a Long-Acting Antifibrinolytic RNA Therapy

Funded at Versiti Blood Health, INC. · NIH-11132938 · Data updated 2026-11-12

This work explores how blood clot breakdown contributes to bleeding and aims to create a new, long-acting RNA medicine to help people with bleeding disorders.

More Bleeding research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionVersiti Blood Health, INC.
NIH-funded
Lab location1 site (Milwaukee, United States)
Project startAugust 15, 2023
Project endJuly 31, 2027
Funding year2025
Award (this year)$718,283
NIH project number5R01HL166382-03
Project IDNIH-11132938 on NIH RePORTER

Who could benefit from this research

Could help

This research is ultimately aimed at helping patients with diagnosed or undiagnosed bleeding disorders who experience increased bleeding due to issues with clot breakdown.

Less likely to help

Patients whose bleeding is not primarily caused by excessive clot breakdown (fibrinolysis) may not receive direct benefit from this specific therapy.

What this research studies

For individuals with bleeding disorders or severe injuries, the body's ability to form and break down blood clots can be out of balance, leading to increased bleeding. Current medicines often aren't enough, especially for long-term prevention, because they don't last very long in the body. Our goal is to develop a new type of RNA therapy that can reduce bleeding over a longer period by targeting a key protein involved in dissolving clots. This new medicine would be delivered using a safe, clinically approved method, offering a more effective way to manage bleeding for many patients.

Why it matters

Potential benefit: If successful, this new long-acting RNA therapy could provide a more effective and convenient way to prevent and manage bleeding for individuals with various bleeding disorders.

How similar studies have gone: While current antifibrinolytic drugs exist, this approach focuses on a novel long-acting RNA therapy, which represents a new direction for managing bleeding disorders.

Where this research is happening

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

Researchers

  • Principal investigator: Kastrup, Christian — Versiti Blood Health, INC.
  • Study coordinator: Kastrup, Christian

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.