Clinical trial Recruiting at 142 sites Phase 3 Interventional Ages 18 and up

Comparing apixaban and aspirin for preventing strokes in ICH survivors with atrial fibrillation

Official title: Anticoagulation in Intracerebral Hemorrhage (ICH) Survivors for Stroke Prevention and Recovery

Run by Yale University · NCT03907046 · Data updated 2026-11-12

This study is testing if a blood thinner called apixaban works better than aspirin to prevent strokes or death in people who have had a brain bleed and also have atrial fibrillation.

More Atrial Fibrillation trials

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment700 (estimated)
SponsorYale University
Academic / other
Locations187 sites (Birmingham, Alabama and 186 other locations)
StatusRecruiting
StartedJanuary 28, 2020
Main results expectedApril 2027
Study endsApril 2027
Registry record updatedMay 8, 2026
Trial IDNCT03907046 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include adults aged 18 and older who have had a recent ICH and are diagnosed with non-valvular atrial fibrillation.

Probably not a fit

Patients with a history of recent ICH, those requiring anticoagulation for other medical conditions, or those with active infective endocarditis may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial aims to evaluate whether apixaban is more effective than aspirin in preventing strokes or death in patients who have recently experienced an intracerebral hemorrhage (ICH) and have atrial fibrillation. It is a randomized, double-blinded, phase III trial that will enroll 700 patients over 3.5 years, with follow-up lasting between 12 to 36 months. The primary outcome measures include any stroke (hemorrhagic or ischemic) or death, while secondary outcomes focus on functional recovery as assessed by the modified Rankin Scale. The study is coordinated through the NIH/NINDS StrokeNet network.

Why it matters

Potential benefit: If successful, this study could provide a more effective anticoagulation treatment option for stroke prevention in ICH survivors with atrial fibrillation.

How similar studies have gone: Previous studies have explored anticoagulation in similar patient populations, but this specific comparison of apixaban versus aspirin in ICH survivors is novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age at least 18 years
* Intracerebral hemorrhage (ICH) (including primary intraventricular hemorrhage) confirmed by brain CT or MRI
* Can be randomized within 14-180 days after ICH onset
* Non-valvular AF (defined as atrial fibrillation or atrial flutter), documented by electrocardiography or a physician-confirmed history of prior AF
* Provision of signed and dated informed consent form by patient or legally authorized representative
* For females of reproductive potential: use of highly effective contraception

Exclusion Criteria:

* Index event is hemorrhagic transformation of a brain infarction or hemorrhage into a tumor
* History of earlier ICH within 12 months preceding index event
* Active infective endocarditis
* Clear indication for anticoagulant drugs (e.g., requires anticoagulation for deep vein thrombosis or pulmonary embolism) or antiplatelet drugs (e.g., requires aspirin or clopidogrel for recent coronary stent).
* Previous or planned left atrial appendage closure
* Clinically significant bleeding diathesis
* Serum creatinine ≥2.5 mg/dL
* Active hepatitis or hepatic insufficiency with Child-Pugh score B or C
* Anemia (hemoglobin \<8 g/dL) or thrombocytopenia (\<100 x 10\^9/L) that is chronic in the judgment of the investigator
* Pregnant or breastfeeding
* Known allergy to aspirin or apixaban
* Concomitant participation in a competing trial
* Considered by the investigator to have a condition that precludes safe or active participation in the trial
* Persistent, uncontrolled systolic blood pressure (≥180 mm Hg)
* ICH caused by an arteriovenous malformation (AVM) that has not yet been secured

Where it's running

  • University of Alabama Hospital
    Birmingham, Alabama, United States
    Recruiting
  • University of South Alabama University Hospital
    Mobile, Alabama, United States
    Recruiting
  • Banner University Medical Center
    Tucson, Arizona, United States
    Recruiting
  • Mercy San Juan Medical Center
    Carmichael, California, United States
    Recruiting
  • Arrowhead Regional Medical Center
    Colton, California, United States
    Recruiting
  • Kaiser Permanente Fontana Medical Center
    Fontana, California, United States
    Recruiting
Show 44 more locations
  • Community Regional Medical Center of Fresno
    Fresno, California, United States
    Recruiting
  • St. Jude Medical Center
    Fullerton, California, United States
    Recruiting
  • Los Alamitos Medical Center
    Los Alamitos, California, United States
    Recruiting
  • Kaiser Permanente Los Angeles Medical Center
    Los Angeles, California, United States
    Recruiting
  • Cedars-Sinai Medical Center
    Los Angeles, California, United States
    Recruiting
  • Ronald Reagan UCLA Medical Center
    Los Angeles, California, United States
    Recruiting
  • Doctors Medical Center Modesto, Modesto, CA
    Modesto, California, United States
    Recruiting
  • UC Irvine Medical Center
    Orange, California, United States
    Recruiting
  • Desert Regional Medical Center
    Palm Springs, California, United States
    Recruiting
  • Kaiser Permanente Redwood City Medical Center, Redwood City, CA
    Redwood City, California, United States
    Recruiting
  • UC Davis Medical Center
    Sacramento, California, United States
    Recruiting
  • Kaiser Permanente Sacramento Medical Center
    Sacramento, California, United States
    Recruiting
  • San Francisco General Hospital
    San Francisco, California, United States
    Recruiting
  • Santa Barbara Cottage Hospital
    Santa Barbara, California, United States
    Recruiting
  • Stanford University Medical Center
    Stanford, California, United States
    Recruiting
  • PIH Health Hospital - Whittier
    Whittier, California, United States
    Recruiting
  • University of Colorado Hospital
    Aurora, Colorado, United States
    Recruiting
  • Hartford Hospital
    Hartford, Connecticut, United States
    Recruiting
  • Yale New Haven Hospital
    New Haven, Connecticut, United States
    Recruiting
  • New Hanover Regional Medical Center
    Wilmington, Delaware, United States
    Recruiting
  • MedStar Georgetown University Hospital
    Washington D.C., District of Columbia, United States
    Recruiting
  • George Washington University Hospital
    Washington D.C., District of Columbia, United States
    Recruiting
  • Morton Plant Hospital
    Clearwater, Florida, United States
    Recruiting
  • Broward Health Medical Center
    Fort Lauderdale, Florida, United States
    Recruiting
  • UF Health Jacksonville
    Jacksonville, Florida, United States
    Recruiting
  • Jackson Memorial Hospital
    Miami, Florida, United States
    Recruiting
  • Ascension Sacred Heart Pensacola
    Pensacola, Florida, United States
    Recruiting
  • Cleveland Clinic Tradition Hospital
    Port Saint Lucie, Florida, United States
    Recruiting
  • Tampa General Hospital
    Tampa, Florida, United States
    Recruiting
  • St. Joseph's Hospital
    Tampa, Florida, United States
    Recruiting
  • Grady Memorial Hospital
    Atlanta, Georgia, United States
    Recruiting
  • Emory University Hospital
    Atlanta, Georgia, United States
    Recruiting
  • Augusta University Medical Center
    Augusta, Georgia, United States
    Recruiting
  • WellStar Kennestone Hospital
    Marietta, Georgia, United States
    Recruiting
  • The Queen's Medical Center
    Honolulu, Hawaii, United States
    Recruiting
  • Saint Alphonsus Regional Medical Center - Boise
    Boise, Idaho, United States
    Recruiting
  • NCH Hospital, Arlington Heights
    Arlington Heights, Illinois, United States
    Recruiting
  • Rush University Medical Center
    Chicago, Illinois, United States
    Recruiting
  • University of Illinois Hospital
    Chicago, Illinois, United States
    Recruiting
  • University of Chicago Medical Center
    Chicago, Illinois, United States
    Recruiting
  • Evanston Hospital
    Evanston, Illinois, United States
    Recruiting
  • Loyola University Medical Center
    Maywood, Illinois, United States
    Recruiting
  • OSF St. Francis Medical Center
    Peoria, Illinois, United States
    Recruiting
  • Central DuPage Hospital
    Winfield, Illinois, United States
    Recruiting

+137 more sites. See ClinicalTrials.gov for the full list.

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
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.