NIH-funded research R01 grant

Bleeding risk from blood thinners in people with cancer

Official title: Prediction of Anticoagulant-Related Bleeding Risk in Patients with Cancer

Funded at Washington University · NIH-11237616 · Data updated 2026-11-12

This project will build a tool to predict how likely people with cancer are to have serious bleeding while taking blood thinners.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionWashington University
NIH-funded
Lab location1 site (Saint Louis, United States)
Project startJanuary 5, 2023
Project endNovember 30, 2026
Funding year2026
Award (this year)$389,391
NIH project number5R01HL166386-04
Project IDNIH-11237616 on NIH RePORTER

Who could benefit from this research

Could help

People with cancer who have had a venous blood clot (VTE) or who are being considered for anticoagulant therapy to prevent or treat clots are the ideal candidates.

Less likely to help

People without cancer, those not taking anticoagulants, or patients whose bleeding risk is already clearly determined may not receive direct benefit from this work.

What this research studies

You would be part of work to create a prediction tool that estimates your chance of a major bleed while on anticoagulant therapy. The team will use medical records and clinical trial data from people with cancer and blood clots, and examine factors like cancer type, treatments, and the specific blood thinner used. They will develop and then calibrate the model especially for cancer patients who are at high risk of clotting and are being considered for preventive therapy. The end product would be a calculator clinicians can use to help balance preventing clots against the risk of dangerous bleeding for each person.

Why it matters

Potential benefit: If successful, this could help doctors personalize blood-thinner use to reduce dangerous bleeds while still preventing clots.

How similar studies have gone: Bleeding-risk models exist and perform in non-cancer populations, and recent trials support some direct oral anticoagulants in cancer, but a validated cancer-specific bleeding prediction tool is novel and untested.

Where this research is happening

  • Washington University
    Saint Louis, United States
    Active

Researchers

  • Principal investigator: Sanfilippo, Kristen Marie — Washington University
  • Study coordinator: Sanfilippo, Kristen Marie

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.