Anticoagulation in ICH Survivors for Stroke Prevention and Recovery

Open to people ages 18 years and up

• Age at least 18 years
• Intracerebral hemorrhage (ICH) (including primary intraventricular hemorrhage) confirmed by brain CT or MRI
• Can be randomized within 14-120 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
• CHA2DS2-VASc score ≥ 2
• Provision of signed and dated informed consent form by patient or legally authorized representative
• Able to comply with all study procedures and available for duration of the study
• For females of reproductive potential: use of highly effective contraception

• Index event is hemorrhagic transformation of a brain infarction or hemorrhage into a tumor
• History of ICH before index event
• Active infective endocarditis
• Lobar ICH with cerebral amyloid angiopathy
• 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 MI).
• 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 109/L) that is chronic in the judgment of the investigator
• Life expectancy <1 year
• Pregnant or breastfeeding
• Known allergy to aspirin or apixaban
• Concomitant participation in a competing therapeutic trial
• Considered by the investigator to have a condition that precludes safe participation in the trial
• Unwilling to discontinue prohibited medications