NIH-funded research R01 grant

Oral anticoagulants for cirrhosis and atrial fibrillation: which option works best for you

Official title: The Comparative Effectiveness and Safety of Oral Anticoagulants in Patients with Cirrhosis and Atrial Fibrillation

Funded at Brigham and Women's Hospital · NIH-11300998 · Data updated 2026-11-12

This project tries to figure out which blood thinner (warfarin or DOACs) works safest and best for people with cirrhosis and atrial fibrillation.

More Atrial Fibrillation research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionBrigham and Women's Hospital
NIH-funded
Lab location1 site (Boston, United States)
Project startMarch 1, 2023
Project endFebruary 29, 2028
Funding year2026
Award (this year)$827,671
NIH project number5R01HL167021-04
Project IDNIH-11300998 on NIH RePORTER

Who could benefit from this research

Could help

Adults with cirrhosis and nonvalvular atrial fibrillation who are candidates for oral anticoagulation.

Less likely to help

Patients without atrial fibrillation or with contraindications to anticoagulation may not benefit.

What this research studies

If you have cirrhosis and atrial fibrillation, choosing the right anticoagulant can be challenging because bleeding and liver issues matter. The study will compare different oral anticoagulants to see which offers better protection against stroke with fewer complications in routine care. Researchers will use patient data from real-world settings to understand outcomes across diverse groups. The goal is to provide clearer guidance for doctors and patients about which option to choose in everyday clinical practice.

Why it matters

Potential benefit: Could help doctors and patients choose the safer, more effective anticoagulant for cirrhosis with atrial fibrillation, potentially reducing stroke and bleeding risks.

How similar studies have gone: Prior research showed uncertainties in this patient population; this study aims to provide clearer comparative data in real-world settings.

Where this research is happening

  • Brigham and Women's Hospital
    Boston, United States
    Active

Researchers

  • Principal investigator: Simon, Tracey — Brigham and Women's Hospital
  • Study coordinator: Simon, Tracey

Related research

Other NIH-funded projects on the same topics.

  • Comparing blood thinners for patients with liver disease and irregular heartbeat

    This study is looking at how well different blood thinners work and how safe they are for people who have both liver cirrhosis and atrial fibrillation, to help find the best treatment for those at risk of stroke.

    NIH research Brigham and Women's Hospital · Boston, United States · NIH-11026362

  • Cardiomyocyte-fibroblast signaling in atrial fibrillation

    A researcher at Baylor College of Medicine is studying how signals between heart muscle cells and supportive heart cells influence atrial fibrillation, with the goal of finding new ways to prevent or treat this common heart rhythm problem.

    NIH research Baylor College of Medicine · Houston, United States · NIH-11617730

  • Statin therapy for people with compensated cirrhosis

    A big, long-term study at a major university is looking at whether statins can help people with compensated cirrhosis live longer and feel better.

    NIH research University of Michigan at Ann Arbor · Ann Arbor, United States · NIH-11591518

  • Liver Cirrhosis Network: Centers for Clinical Research

    A multicenter study in people with cirrhosis from different causes (including HIV, NASH, and alcohol-related liver disease) to collect data and samples and test new ways to predict and monitor disease progression.

    NIH research Virginia Commonwealth University · Richmond, United States · NIH-11591517

  • Outcomes in cirrhosis from different causes and the role of HIV and simvastatin

    This study looks at how cirrhosis from alcohol, HIV, and other causes affects patients and whether simvastatin can influence outcomes.

    NIH research Cleveland Clinic Lerner Com-Cwru · Cleveland, United States · NIH-11591516

  • Liver Cirrhosis Network: Mayo Clinic's Clinical Research Center

    A Mayo Clinic-led project will follow and help people with compensated cirrhosis, using data, imaging, and a big AI tool to predict when complications may happen and test whether a statin can improve outcomes.

    NIH research Mayo Clinic Rochester · Rochester, United States · NIH-11591514

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.