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ADAPTABLE is a pragmatic clinical trial in which 15,000 patients who are at high risk for ischemic events will be randomly assigned in a 1:1 ratio to receive an aspirin dose of 81 mg/day vs. 325 mg/day. Study participants will be enrolled over 38 months. Maximum follow-up will be 50 months. The purpose of the study is to identify the optimal dose of aspirin for secondary prevention in patients with Atherosclerotic cardiovascular disease (ASCVD). The primary endpoint is a composite of all-cause death, hospitalization for MI, or hospitalization for stroke. The primary safety endpoint is hospitalization for major bleeding with an associated blood product transfusion.
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In this pragmatic, patient-centered clinical trial, the investigators will compare the effectiveness of two doses of aspirin (81 mg and 325 mg) currently in widespread use in the United States in the secondary-prevention population of patients with established ASCVD. The trial will use a novel format that uses existing electronic health records (EHRs), as well as a web-based patient portal to collect patient-reported outcomes (PROs), and available patient encounter data to supplement/support the EHR. Patients who are identified as candidates for the trial will be directed to the electronic patient portal for the eConsent as well as an abbreviated eligibility confirmation and randomization. One of the important aims of ADAPTABLE is to engage patients, their healthcare providers, and trial investigators in using the infrastructure PCORnet has developed and continues to refine. A total of 15,000 high-risk patients with ASCVD will be randomly assigned (in an open-label fashion) in a 1:1 ratio to instructions to use a daily aspirin dose of either 81 mg or 325 mg daily. The investigators expect the entire sample of patients will be enrolled over 38 months, with a maximum follow-up of 50 months.
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15,076 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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