[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100529026":3},{"organization":4,"armGroups":7,"interventions":23,"overallOfficials":33,"centralContacts":38,"locations":44,"responsibleParty":62,"collaborators":10,"id":64,"slug":65,"hasResults":66,"nctId":67,"briefTitle":68,"officialTitle":68,"acronym":69,"eligibilityCriteria":70,"healthyVolunteers":66,"sex":71,"minAge":72,"maxAge":10,"enrollmentInfo":73,"targetDuration":10,"studyType":76,"phases":10,"briefSummary":77,"conditions":78,"keywords":10,"overallStatus":47,"whyStopped":10,"lastUpdateSubmitDate":80,"lastUpdatePostDateStruct":81,"startDateStruct":84,"completionDateStruct":86,"leadSponsor":88,"locationsCount":89},{"fullName":5,"class":6},"Henan Institute of Cardiovascular Epidemiology","OTHER",[8,14,19],{"label":9,"type":10,"description":11,"interventionNames":12},"DES Group",null,"All lesions in these patients were treated with DES",[13],"Device: DES",{"label":15,"type":10,"description":16,"interventionNames":17},"DES+DCB Group","These patients were treated using a combination of DES and DCB",[13,18],"Device: DCB",{"label":20,"type":10,"description":21,"interventionNames":22},"DCB Group","All lesions in these patients were treated with DCB",[18],[24,29],{"type":25,"name":26,"description":27,"armGroupLabels":28,"otherNames":10},"DEVICE","DES","drug eluting stent",[9,15],{"type":25,"name":30,"description":31,"armGroupLabels":32,"otherNames":10},"DCB","drug-coated balloon",[20,15],[34],{"name":35,"affiliation":36,"role":37},"Muwei Li","Fuwai central China cardiovascular hospotial","PRINCIPAL_INVESTIGATOR",[39],{"name":40,"role":41,"phone":42,"phoneExt":10,"email":43},"Quan Guo","CONTACT","+8615670510031","xinyiguoquan@163.com",[45],{"facility":46,"status":47,"city":48,"state":49,"zip":10,"country":50,"countryCode":51,"cosmosGeoPoint":52,"geoPoint":57,"contacts":58},"Fuwai Central China Cardiovascular Hospital","RECRUITING","Zhengzhou","Henan","China","CN",{"type":53,"coordinates":54},"Point",[55,56],113.64861,34.75778,{"lat":56,"lon":55},[59,60],{"name":40,"role":41,"phone":10,"phoneExt":10,"email":43},{"name":61,"role":37,"phone":10,"phoneExt":10,"email":10},"Muwei Li, phd",{"type":63,"investigatorFullName":10,"investigatorTitle":10,"investigatorAffiliation":10,"oldNameTitle":10,"oldOrganization":10},"SPONSOR","100529026","a-cohort-study-of-pci-strategies-for-severely-calcified-lesions-of-complex-coronary-arteries-in-the-elderly-100529026",false,"NCT06168422","A Cohort Study of PCI Strategies for Severely Calcified Lesions of Complex Coronary Arteries in the Elderly","PSSCCE","Inclusion Criteria:\n\n1. Age ≥ 60 years;\n2. Meet the indications for coronary intervention;\n3. IVUS examination suggests severe calcified lesions (calcification angle \\>270°) or OCT examination suggests severe calcified lesions (calcification angle \\>180° and\u002For length \\>5mm and\u002For thickness \\>0.5mm);\n4. The diameter of the target lesion vessel is greater than 2.75mm;\n5. The total length of the lesion is more than 60mm and\u002For the number of lesions to be treated is ≥3 and\u002For the number of vessels to be treated is ≥2.\n\nExclusion Criteria:\n\n1. inability to provide written informed consent;\n2. inability to administer antiplatelet agents and anticoagulant therapy;\n3. the subject is participating in other unfinished clinical trials;\n4. life expectancy \\\u003C1 year;\n5. non-in situ vascular lesions;\n6. patients with haemodynamic instability;\n7. Previous stroke within 6 months.\n8. left main stem lesions.","ALL","60 Years",{"count":74,"type":75},2100,"ESTIMATED","OBSERVATIONAL","The aim of this observational study is to compare the prognostic outcomes of various PCI strategies in elderly patients with complex coronary calcified lesions. The patients will be classified into two groups and assigned different PCI strategies, either stenting or stenting combined with pharmacologic balloon implantation. The investigators will assess the one-year prognosis for major adverse cardiovascular events in these patients.",[79],"Coronary Heart Disease","2024-06-25",{"date":82,"type":83},"2024-06-27","ACTUAL",{"date":85,"type":83},"2023-12-25",{"date":87,"type":75},"2025-05-06",{"name":5,"class":6},1]