[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100586592":3},{"organization":4,"armGroups":7,"interventions":21,"overallOfficials":29,"centralContacts":33,"locations":40,"responsibleParty":80,"collaborators":83,"id":88,"slug":89,"hasResults":90,"nctId":91,"briefTitle":92,"officialTitle":93,"acronym":10,"eligibilityCriteria":94,"healthyVolunteers":90,"sex":95,"minAge":96,"maxAge":97,"enrollmentInfo":98,"targetDuration":10,"studyType":101,"phases":10,"briefSummary":102,"conditions":103,"keywords":105,"overallStatus":43,"whyStopped":10,"lastUpdateSubmitDate":111,"lastUpdatePostDateStruct":112,"startDateStruct":115,"completionDateStruct":117,"leadSponsor":119,"locationsCount":120},{"fullName":5,"class":6},"National Taiwan University Hospital","OTHER",[8,14,18],{"label":9,"type":10,"description":11,"interventionNames":12},"Successful CTO intervention",null,"Successful CTO intervention, subgrouped by strategies, ex. antegrade or retrograde approach",[13],"Procedure: Percutaneous coronary intervention of coronary chronic total occlusion",{"label":15,"type":10,"description":16,"interventionNames":17},"Failed CTO intervention","Failed CTO intervention, subgrouped by strategies, ex. antegrade or retrograde approach",[13],{"label":19,"type":10,"description":20,"interventionNames":10},"No CTO intervention","CTO was not intervened",[22],{"type":23,"name":24,"description":25,"armGroupLabels":26,"otherNames":27},"PROCEDURE","Percutaneous coronary intervention of coronary chronic total occlusion","Coronary CTO was identified by coronary angiography, and its revascularization was attempted by either antegrade, retrograde or both approach.",[15,9],[28],"PCI to CTO",[30],{"name":31,"affiliation":5,"role":32},"Hsien-Li Kao, MD","PRINCIPAL_INVESTIGATOR",[34],{"name":35,"role":36,"phone":37,"phoneExt":38,"email":39},"Chih Fan Yeh","CONTACT","+8862-23123456","263912","nicholas.yeh@gmail.com",[41,58,70],{"facility":42,"status":43,"city":44,"state":10,"zip":10,"country":45,"countryCode":46,"cosmosGeoPoint":47,"geoPoint":52,"contacts":53},"Chang Gung Memorial Hospital","RECRUITING","New Taipei City","Taiwan","TW",{"type":48,"coordinates":49},"Point",[50,51],121.45703,25.06199,{"lat":51,"lon":50},[54],{"name":55,"role":36,"phone":56,"phoneExt":10,"email":57},"Ying-Chang Tung, MD","+8863-3281200","cgmhswd@cgmh.org.tw",{"facility":5,"status":43,"city":59,"state":10,"zip":10,"country":45,"countryCode":46,"cosmosGeoPoint":60,"geoPoint":64,"contacts":65},"Taipei",{"type":48,"coordinates":61},[62,63],121.52639,25.05306,{"lat":63,"lon":62},[66],{"name":67,"role":36,"phone":68,"phoneExt":69,"email":39},"Chih-Fan Yeh, MD, PhD","+886223123456","262152",{"facility":71,"status":43,"city":59,"state":10,"zip":10,"country":45,"countryCode":46,"cosmosGeoPoint":72,"geoPoint":74,"contacts":75},"Taipei Veterans General Hospital",{"type":48,"coordinates":73},[62,63],{"lat":63,"lon":62},[76],{"name":77,"role":36,"phone":78,"phoneExt":10,"email":79},"Chun -Chin Chang, MD, PhD","+8862-28712121","ccchang16@vghtpe.gov.tw",{"type":32,"investigatorFullName":81,"investigatorTitle":82,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"National Taiwan University Clinical Trial Center","Hsien-Li Kao, Director of Cardiovascular Center",[84,85],{"name":42,"class":6},{"name":86,"class":87},"Taipei Veterans General Hospital, Taiwan","OTHER_GOV","100586592","trio-cto-taiwan-research-initiative-on-coronary-total-occlusion-100586592",false,"NCT06917378","TRIO CTO (Taiwan Research Initiative on Coronary Total Occlusion)","The Multicenter Study to Evaluate Clinical and Angiographic Factors in Patients With Coronary Artery Chronic Total Occlusion in Taiwan","Inclusion criteria\n\n1. Over 20 years old\n2. Chronic total occlusion confirmed by coronary angiography, and noted for more than 3 months\n\nExclusion criteria Nil","ALL","20 Years","120 Years",{"count":99,"type":100},5000,"ESTIMATED","OBSERVATIONAL","Coronary chronic total occlusions (CTO) present a significant challenge in the field of interventional cardiology. These complex lesions, characterized by complete blockage of a coronary artery for a prolonged duration, often require specialized techniques and strategies to achieve successful revascularization.",[104],"Chronic Total Occlusion (CTO)",[106,107,108,109,110],"CTO","Coronary Chronic Total Occlusion","Coronary artery disease","Coronary intervention","Collateral channel","2025-12-10",{"date":113,"type":114},"2025-12-18","ACTUAL",{"date":116,"type":114},"2017-01-01",{"date":118,"type":100},"2034-12-31",{"name":5,"class":6},3]