[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100648777":3},{"organization":4,"armGroups":7,"interventions":10,"overallOfficials":10,"centralContacts":12,"locations":10,"responsibleParty":18,"collaborators":10,"id":22,"slug":23,"hasResults":24,"nctId":25,"briefTitle":26,"officialTitle":26,"acronym":10,"eligibilityCriteria":27,"healthyVolunteers":24,"sex":28,"minAge":29,"maxAge":10,"enrollmentInfo":30,"targetDuration":10,"studyType":33,"phases":10,"briefSummary":34,"conditions":35,"keywords":38,"overallStatus":47,"whyStopped":10,"lastUpdateSubmitDate":48,"lastUpdatePostDateStruct":49,"startDateStruct":52,"completionDateStruct":54,"leadSponsor":56,"locationsCount":10},{"fullName":5,"class":6},"University of Michigan","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":10},"Patients with atrial fibrillation over the age of 80",null,"Patients over the age of 80 diagnosed with atrial fibrillation receiving ether aspirin alone or aspirin and clopidogrel",[13],{"name":14,"role":15,"phone":16,"phoneExt":10,"email":17},"Michael Holinstat, PhD","CONTACT","734-764-4046","mholinst@med.umich.edu",{"type":19,"investigatorFullName":20,"investigatorTitle":21,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"PRINCIPAL_INVESTIGATOR","Michael Holinstat","Principal Investigator","100648777","regulation-of-platelet-function-in-older-patients-with-atrial-fibrillation-100648777",false,"NCT07724301","Regulation of Platelet Function in Older Patients With Atrial Fibrillation","Inclusion Criteria:\n\n* diagnosed with atrial fibrillation, scheduled for a Watchman Procedure\n\nExclusion Criteria:\n\n* Healthy, taking antiplatelet medication","ALL","80 Years",{"count":31,"type":32},50,"ESTIMATED","OBSERVATIONAL","The goal of this observational study is to learn about the effects of antiplatelet drugs on patients over the age of 80 with atrial fibrillation. The main question it aims to answer is:\n\n-Is platelet reactivity effectively controlled in patients over the age of 80 diagnosed with atrial fibrillation following the Watchman procedure.",[36,37],"Atrial Fibrillation","Thrombotic Risk",[39,40,41,42,43,44,45,46],"atrial fibrillation","thrombosis","bleeding","elderly over 80","antiplatelet drugs","aspirin","clopidogrel","platelet function","NOT_YET_RECRUITING","2026-07-23",{"date":50,"type":51},"2026-07-24","ACTUAL",{"date":53,"type":32},"2026-08",{"date":55,"type":32},"2028-08",{"name":5,"class":6}]