NIH-funded research R01 grant

Understanding Blood Thinners for Older Stroke Patients with Atrial Fibrillation

Official title: Balancing Risks and Benefits of Direct Oral Anticoagulants in Older Ischemic Stroke Patients with Atrial Fibrillation

Funded at Ut Southwestern Medical Center · NIH-11132827 · Data updated 2026-11-12

This project helps doctors choose the best blood thinner for older patients who have had a stroke and also have an irregular heartbeat called atrial fibrillation.

More Stroke research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUt Southwestern Medical Center
NIH-funded
Lab location1 site (Dallas, United States)
Project startSeptember 1, 2020
Project endMay 31, 2026
Funding year2025
Award (this year)$471,127
NIH project number5R01AG066672-05
Project IDNIH-11132827 on NIH RePORTER

Who could benefit from this research

Could help

This research focuses on older patients who have experienced an ischemic stroke and also have atrial fibrillation.

Less likely to help

Patients who have not had an ischemic stroke or do not have atrial fibrillation would not directly benefit from this specific research.

What this research studies

For older patients who have experienced an ischemic stroke and also have atrial fibrillation, choosing the right direct oral anticoagulant (DOAC) can be tricky. While guidelines suggest DOACs over warfarin, the balance of preventing another stroke versus the risk of bleeding is different for these patients. This work uses information from large patient registries and Medicare data to find out how different DOACs compare in terms of how well they work and their safety. The goal is to create better, evidence-based ways to personalize blood thinner treatment for each patient.

Why it matters

Potential benefit: If successful, this work could lead to more personalized and safer blood thinner choices, reducing the risk of recurrent strokes and bleeding complications for older patients.

How similar studies have gone: While DOACs are widely used, this research aims to provide new evidence on how their effectiveness and safety compare specifically for older stroke survivors with atrial fibrillation, building upon existing knowledge.

Where this research is happening

  • Ut Southwestern Medical Center
    Dallas, United States
    Active

Researchers

  • Principal investigator: Xian, Ying — Ut Southwestern Medical Center
  • Study coordinator: Xian, Ying

Related research

Other NIH-funded projects on the same topics.

  • Abbreviated heart MRI to quickly find stroke causes

    A short MRI-based test is being developed to quickly and affordably identify the cause of an acute ischemic stroke in patients.

    NIH research University of California, San Francisco · San Francisco, United States · NIH-11310485

  • New AI approach to detect and predict atrial fibrillation after stroke

    A patient-friendly AI-based method is being developed to spot atrial fibrillation early in people who have had a stroke, using wearable heart-rate signals.

    NIH research Emory University · Atlanta, United States · NIH-11292390

  • MIND Diet for Dementia Prevention After Stroke

    This project explores if a special diet called the MIND diet can help prevent memory and thinking problems in people who have recently had an ischemic stroke.

    NIH research Rush University Medical Center · Chicago, United States · NIH-11134717

  • New methods to detect and predict atrial fibrillation in post-stroke patients

    This study is looking to make it easier to spot atrial fibrillation in people who have had a stroke by using smart technology that can read signals from wearable devices, helping to catch any heart issues early so that doctors can provide the right care and prevent future strokes.

    NIH research Emory University · Atlanta, United States · NIH-11041068

  • Identifying Atrial Fibrillation Risk After Stroke

    This study is looking to help doctors find out which stroke patients might have hidden atrial fibrillation, so they can decide who would benefit from special heart monitoring to prevent future strokes.

    NIH research Hebrew Rehabilitation Center for Aged · Boston, United States · NIH-10900475

  • Using advanced MRI to improve treatment for acute ischemic stroke patients

    This study is looking at a new way to use special MRI scans to find brain areas that are still healthy enough to treat after a stroke, even if it's been a while since the stroke happened, so that more patients can get the help they need to recover.

    NIH research Johns Hopkins University · Baltimore, United States · NIH-10794203

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.