[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100554788":3},{"organization":4,"armGroups":7,"interventions":7,"overallOfficials":7,"centralContacts":8,"locations":14,"responsibleParty":33,"collaborators":7,"id":36,"slug":7,"hasResults":37,"nctId":38,"briefTitle":39,"officialTitle":40,"acronym":7,"eligibilityCriteria":41,"healthyVolunteers":37,"sex":42,"minAge":43,"maxAge":7,"enrollmentInfo":44,"targetDuration":7,"studyType":47,"phases":7,"briefSummary":48,"conditions":49,"keywords":7,"overallStatus":16,"whyStopped":7,"lastUpdateSubmitDate":53,"lastUpdatePostDateStruct":54,"startDateStruct":57,"completionDateStruct":59,"leadSponsor":61,"locationsCount":62},{"fullName":5,"class":6},"China-Japan Friendship Hospital","OTHER",null,[9],{"name":10,"role":11,"phone":12,"phoneExt":7,"email":13},"Zhaoxue Sheng, Doctor","CONTACT","+86-15600268925","shengzhaoxue@163.com",[15],{"facility":5,"status":16,"city":17,"state":18,"zip":19,"country":20,"countryCode":21,"cosmosGeoPoint":22,"geoPoint":27,"contacts":28},"RECRUITING","Beijing","Beijing Municipality","100029","China","CN",{"type":23,"coordinates":24},"Point",[25,26],116.39723,39.9075,{"lat":26,"lon":25},[29],{"name":30,"role":11,"phone":31,"phoneExt":7,"email":32},"Jingang Zheng","01084205625","mdjingangzheng@yeah.net",{"type":34,"investigatorFullName":30,"investigatorTitle":35,"investigatorAffiliation":5,"oldNameTitle":7,"oldOrganization":7},"PRINCIPAL_INVESTIGATOR","Head of Cardiology Department","100554788",false,"NCT06503640","Coronary Microvascular Dysfunction in Angina Patients With Non-obstructive Coronary Artery Disease (ANOCA-CMD)","Coronary Microvascular Dysfunction in Angina Patients With Non-obstructive Coronary Artery Disease","Inclusion Criteria:\n\n* presence of stable anginal symptoms, a clinical indication for invasive coronary angiography, and no hemodynamically significant epicardial coronary artery disease, defined as fractional flow reserve (FFR) \\>0.80\n\nExclusion Criteria:\n\n1. acute myocardial infarction\n2. significant valvular heart disease\n3. advanced chronic kidney disease\n4. patients with significant epicardial coronary artery stenosis (\\>70% in major vessels by diagnostic coronary angiography) needing percutaneous coronary intervention\n5. patients unable to provide written informed consent","ALL","18 Years",{"count":45,"type":46},100,"ESTIMATED","OBSERVATIONAL","The goal of this observational study is to explore the incidence and effect on prognosis of coronary microvascular dysfunction in patients present of stable anginal symptoms, a clinical indication for invasive coronary angiography, and no hemodynamically significant epicardial coronary artery disease, defined as fractional flow reserve (FFR) \\>0.80.",[50,51,52],"Angina Patients With Non-obstructive Coronary Artery Disease","Coronary Microvascular Dysfunction","Index of Microvascular Resistance","2024-07-10",{"date":55,"type":56},"2024-07-16","ACTUAL",{"date":58,"type":56},"2023-07-01",{"date":60,"type":46},"2025-12-31",{"name":5,"class":6},1]