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This pragmatic, patient-centered clinical trial will compare the effectiveness of two doses of aspirin (81 mg and 325 mg) currently in widespread use in the United States for secondary prevention 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 24 months, with a maximum follow-up of 30 months.
View this clinical trail on ClinicalTrials.gov.
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