Finding new treatments for severe anticoagulant poisoning

Development of novel anticoagulant antidotes using zebrafish

NIH-funded research University of Michigan at Ann Arbor · NIH-11134609

This project looks for new medicines to quickly reverse the dangerous bleeding caused by strong rat poisons, which can accidentally or intentionally harm people.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Michigan at Ann Arbor NIH-funded
Lab location1 site (Ann Arbor, United States)
Project IDNIH-11134609 on NIH RePORTER

What this research studies

Superwarfarins are powerful poisons, often found in rodenticides, that can cause severe and prolonged bleeding in people. Current treatments, like high doses of vitamin K, can take a long time to work and may require weeks or months of expensive care. This research aims to discover faster-acting antidotes that could be given orally and would be easier to store and distribute than current emergency treatments. By using innovative technologies with zebrafish, scientists hope to identify new compounds that can quickly stop the bleeding and save lives.

Who could benefit from this research

Good fit: Future patients who experience severe bleeding due to accidental or intentional poisoning with superwarfarins could potentially benefit from these new antidotes.

Not a fit: Patients with bleeding conditions not caused by superwarfarin poisoning would not directly benefit from these specific antidotes.

Why it matters

Potential benefit: If successful, this work could lead to new, more effective, and faster-acting antidotes for severe superwarfarin poisoning, potentially saving lives and reducing long hospital stays.

How similar studies have performed: While vitamin K is a known antidote, this project uses highly innovative technologies to discover novel, faster-acting antidotes, representing a new approach to this problem.

Where this research is happening

Ann Arbor, 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.