[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100336958":3},{"organization":4,"armGroups":7,"interventions":13,"overallOfficials":19,"centralContacts":23,"locations":28,"responsibleParty":426,"collaborators":430,"id":440,"slug":441,"hasResults":442,"nctId":443,"briefTitle":444,"officialTitle":445,"acronym":446,"eligibilityCriteria":447,"healthyVolunteers":442,"sex":448,"minAge":449,"maxAge":10,"enrollmentInfo":450,"targetDuration":10,"studyType":453,"phases":10,"briefSummary":454,"conditions":455,"keywords":10,"overallStatus":31,"whyStopped":10,"lastUpdateSubmitDate":457,"lastUpdatePostDateStruct":458,"startDateStruct":461,"completionDateStruct":463,"leadSponsor":465,"locationsCount":466},{"fullName":5,"class":6},"Asan Medical Center","OTHER",[8],{"label":9,"type":10,"description":10,"interventionNames":11},"Observational",null,[12],"Procedure: antegrade and retrograde approach",[14],{"type":15,"name":16,"description":17,"armGroupLabels":18,"otherNames":10},"PROCEDURE","antegrade and retrograde approach","This study intends to identify and compare the clinical, anatomical and periprocedural factors of the patients who used only the antergrade approach and the patients who needed the retrograde approach among the patients with coronary CTO",[9],[20],{"name":21,"affiliation":5,"role":22},"Seung-Whan Lee, MD","PRINCIPAL_INVESTIGATOR",[24],{"name":21,"role":25,"phone":26,"phoneExt":10,"email":27},"CONTACT","8210-7398-9897","seungwlee@amc.seoul.kr",[29,46,60,74,88,102,116,127,141,153,164,179,193,207,221,235,249,258,268,282,293,304,315,326,339,349,354,365,376,387,398,412],{"facility":30,"status":31,"city":32,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":34,"geoPoint":39,"contacts":40},"Hallym University Sacred Heart Hospital","RECRUITING","Anyang","South Korea",{"type":35,"coordinates":36},"Point",[37,38],127.49001,35.62128,{"lat":38,"lon":37},[41,45],{"name":42,"role":25,"phone":43,"phoneExt":10,"email":44},"Hyun-Sook Kim, MD","8210-6678-1376","hearthsk@hotmail.com",{"name":42,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":47,"status":31,"city":48,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":49,"geoPoint":53,"contacts":54},"SoonChunHyang University Hospital Bucheon","Bucheon-si",{"type":35,"coordinates":50},[51,52],126.78306,37.49889,{"lat":52,"lon":51},[55,59],{"name":56,"role":25,"phone":57,"phoneExt":10,"email":58},"Nae Hee Lee, MD","8210-9016-9985","naeheelee@naver.com",{"name":56,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":61,"status":31,"city":62,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":63,"geoPoint":67,"contacts":68},"Gyeongsang National University Changwon Hospital","Changwon",{"type":35,"coordinates":64},[65,66],128.68111,35.22806,{"lat":66,"lon":65},[69,73],{"name":70,"role":25,"phone":71,"phoneExt":10,"email":72},"Jae Seok Bae, MD","8210-7199-2896","baefach@naver.com",{"name":70,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":75,"status":31,"city":76,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":77,"geoPoint":81,"contacts":82},"Chungbuk National University Hospital","Cheongju-si",{"type":35,"coordinates":78},[79,80],127.48972,36.63722,{"lat":80,"lon":79},[83,87],{"name":84,"role":25,"phone":85,"phoneExt":10,"email":86},"Sang-Min Kim, DM","821035518582","sangmin3410@gmail.com",{"name":84,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":89,"status":31,"city":90,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":91,"geoPoint":95,"contacts":96},"Gangwon National University Hospital","Chuncheon",{"type":35,"coordinates":92},[93,94],127.73417,37.87472,{"lat":94,"lon":93},[97,101],{"name":98,"role":25,"phone":99,"phoneExt":10,"email":100},"Bong-Ki Lee, MD","8210-6373-9290","mdbklee@kangwon.ac.kr",{"name":98,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":103,"status":31,"city":104,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":105,"geoPoint":109,"contacts":110},"Keimyung University Dongsan Medical Center","Daegu",{"type":35,"coordinates":106},[107,108],128.59111,35.87028,{"lat":108,"lon":107},[111,115],{"name":112,"role":25,"phone":113,"phoneExt":10,"email":114},"Hyuck Jun Yoon, MD","8210-2094-6248","shur@dsmc.or.kr",{"name":112,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":117,"status":31,"city":104,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":118,"geoPoint":120,"contacts":121},"Yeungnam University Medical Center",{"type":35,"coordinates":119},[107,108],{"lat":108,"lon":107},[122,126],{"name":123,"role":25,"phone":124,"phoneExt":10,"email":125},"Ung Kim, MD","8210-4504-1507","woongwa@hanmail.net",{"name":123,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":128,"status":31,"city":129,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":130,"geoPoint":134,"contacts":135},"Chungnam National University Hospital","Daejeon",{"type":35,"coordinates":131},[132,133],127.38493,36.34913,{"lat":133,"lon":132},[136,140],{"name":137,"role":25,"phone":138,"phoneExt":10,"email":139},"Jae-Hwan Lee, MD","8210-9213-8237","myheart@cnuh.co.kr",{"name":137,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":142,"status":31,"city":129,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":143,"geoPoint":145,"contacts":146},"the Catholic University of Korea, Daejeon St. Mary'S Hospital",{"type":35,"coordinates":144},[132,133],{"lat":133,"lon":132},[147,151],{"name":148,"role":25,"phone":149,"phoneExt":10,"email":150},"Kyu-sup Lee, MD","8210-9059-0389","ajobi7121@gmail.com",{"name":152,"role":22,"phone":10,"phoneExt":10,"email":10},"Kyu-sup Lee",{"facility":154,"status":31,"city":129,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":155,"geoPoint":157,"contacts":158},"The Catholic University of Korea, ST. Vincent's Hospital",{"type":35,"coordinates":156},[132,133],{"lat":133,"lon":132},[159,163],{"name":160,"role":25,"phone":161,"phoneExt":10,"email":162},"Sung-Ho Her, MD","8210-7731-0052","hhhsungho@hanmail.net",{"name":160,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":165,"status":31,"city":166,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":167,"geoPoint":171,"contacts":172},"Gangneung Asan Hospital","Gangneung",{"type":35,"coordinates":168},[169,170],128.87239,37.75266,{"lat":170,"lon":169},[173,177],{"name":174,"role":25,"phone":175,"phoneExt":10,"email":176},"Han-bit Park, MD","8210-8666-6064","phb8012@gmail.com",{"name":178,"role":22,"phone":10,"phoneExt":10,"email":10},"Han-bit LeePark, MD",{"facility":180,"status":31,"city":181,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":182,"geoPoint":186,"contacts":187},"Myongji Hospital","Goyang-si",{"type":35,"coordinates":183},[184,185],126.835,37.65639,{"lat":185,"lon":184},[188,192],{"name":189,"role":25,"phone":190,"phoneExt":10,"email":191},"Ji-Hyun Lee, MD","8210-9120-5427","jihyun.cardio@gmail.com",{"name":189,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":194,"status":31,"city":195,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":196,"geoPoint":200,"contacts":201},"Hanyang University Medical Center","Guri-si",{"type":35,"coordinates":197},[198,199],127.1394,37.5986,{"lat":199,"lon":198},[202,206],{"name":203,"role":25,"phone":204,"phoneExt":10,"email":205},"Yong-gu Lee, MD","8210-3049-7751","hmedi97@naver.com",{"name":203,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":208,"status":31,"city":209,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":210,"geoPoint":214,"contacts":215},"Gwangju Veterans Hospital, Korea Veterans Health Service","Gwangju",{"type":35,"coordinates":211},[212,213],126.91556,35.15472,{"lat":213,"lon":212},[216,220],{"name":217,"role":25,"phone":218,"phoneExt":10,"email":219},"Won-yu Kang, MD","+82-62-602-6288","gpkwy@naver.com",{"name":217,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":222,"status":31,"city":223,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":224,"geoPoint":228,"contacts":229},"Chung-Ang University Gwangmyeong Hospital","Gwangmyeong",{"type":35,"coordinates":225},[226,227],126.86639,37.47722,{"lat":227,"lon":226},[230,234],{"name":231,"role":25,"phone":232,"phoneExt":10,"email":233},"Sang-Yeub Lee, MD","82-10-3551-8582","louisahj@gmail.com",{"name":231,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":236,"status":31,"city":237,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":238,"geoPoint":242,"contacts":243},"Seoul national university Bundang hospital","Gyeonggi-do",{"type":35,"coordinates":239},[240,241],126.76917,37.58944,{"lat":241,"lon":240},[244,248],{"name":245,"role":25,"phone":246,"phoneExt":10,"email":247},"Chang-Hwan Yoon, MD","8210-2336-9000","changhwanyoon@gmail.com",{"name":245,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":250,"status":251,"city":252,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":253,"geoPoint":257,"contacts":10},"Inha University Hospital","TERMINATED","Incheon",{"type":35,"coordinates":254},[255,256],126.70515,37.45646,{"lat":256,"lon":255},{"facility":259,"status":31,"city":252,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":260,"geoPoint":262,"contacts":263},"The Catholic University of Korea, Incheon ST. MARY'S Hospital",{"type":35,"coordinates":261},[255,256],{"lat":256,"lon":255},[264,267],{"name":265,"role":25,"phone":10,"phoneExt":10,"email":266},"Ik-Joon Choi, MD","mrfasthand@catholic.ac.kr",{"name":265,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":269,"status":31,"city":270,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":271,"geoPoint":275,"contacts":276},"Busan Veterans Hospital, Korea Veterans Health Service","Pusan",{"type":35,"coordinates":272},[273,274],128.02524,35.70128,{"lat":274,"lon":273},[277,281],{"name":278,"role":25,"phone":279,"phoneExt":10,"email":280},"Su-Hong Kim, MD","8210-2571-2149","dhugie@naver.com",{"name":278,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":283,"status":31,"city":270,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":284,"geoPoint":286,"contacts":287},"Dong-A University Hospital",{"type":35,"coordinates":285},[273,274],{"lat":274,"lon":273},[288,292],{"name":289,"role":25,"phone":290,"phoneExt":10,"email":291},"Yong-Rak Cho, MD","8210-8553-0723","erygentess@paran.com",{"name":289,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":294,"status":31,"city":270,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":295,"geoPoint":297,"contacts":298},"Gosin University Gospel Hospital",{"type":35,"coordinates":296},[273,274],{"lat":274,"lon":273},[299,303],{"name":300,"role":25,"phone":301,"phoneExt":10,"email":302},"Jeong Ho Heo, MD","8210-2501-2896","duggymdc@gmail.com",{"name":300,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":305,"status":31,"city":270,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":306,"geoPoint":308,"contacts":309},"Inje University Haeundae Paik Hospital",{"type":35,"coordinates":307},[273,274],{"lat":274,"lon":273},[310,314],{"name":311,"role":25,"phone":312,"phoneExt":10,"email":313},"Dong-Kie Kim, MD","8210-4595-9515","imnpymd@gmail.com",{"name":311,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":316,"status":31,"city":270,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":317,"geoPoint":319,"contacts":320},"Inje University Pusan Paik Hospital",{"type":35,"coordinates":318},[273,274],{"lat":274,"lon":273},[321,325],{"name":322,"role":25,"phone":323,"phoneExt":10,"email":324},"Tae Hyun Yang, MD","8210-4590-5067","yangthmd@naver.com",{"name":322,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":327,"status":31,"city":328,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":329,"geoPoint":333,"contacts":334},"Chungnam National University Sejong Hospital","Sejong",{"type":35,"coordinates":330},[331,332],127.29223,36.59245,{"lat":332,"lon":331},[335,338],{"name":336,"role":25,"phone":10,"phoneExt":10,"email":337},"Won-Muk Hwang, MD","pascalline@hanmail.net",{"name":336,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":5,"status":31,"city":340,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":341,"geoPoint":345,"contacts":346},"Seoul",{"type":35,"coordinates":342},[343,344],126.9784,37.566,{"lat":344,"lon":343},[347,348],{"name":21,"role":25,"phone":26,"phoneExt":10,"email":27},{"name":21,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":350,"status":251,"city":340,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":351,"geoPoint":353,"contacts":10},"Kangbuk Samsung Hospital",{"type":35,"coordinates":352},[343,344],{"lat":344,"lon":343},{"facility":355,"status":31,"city":340,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":356,"geoPoint":358,"contacts":359},"Samsung Medical Center",{"type":35,"coordinates":357},[343,344],{"lat":344,"lon":343},[360,364],{"name":361,"role":25,"phone":362,"phoneExt":10,"email":363},"Joo-Yong Hahn, MD","8210-9878-3931","jyhahn@skku.edu",{"name":361,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":366,"status":31,"city":340,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":367,"geoPoint":369,"contacts":370},"The Catholic University of Korea, Eunpyeong",{"type":35,"coordinates":368},[343,344],{"lat":344,"lon":343},[371,375],{"name":372,"role":25,"phone":373,"phoneExt":10,"email":374},"Suk-Min Seo, MD","8210-7358-5252","ssm530@catholic.ac.kr",{"name":372,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":377,"status":31,"city":340,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":378,"geoPoint":380,"contacts":381},"The Catholic University of Seoul St. Mary's Hospital",{"type":35,"coordinates":379},[343,344],{"lat":344,"lon":343},[382,386],{"name":383,"role":25,"phone":384,"phoneExt":10,"email":385},"Byung-Hee Hwang, MD","8210-5358-2597","hbhmac@naver.com",{"name":383,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":388,"status":31,"city":340,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":389,"geoPoint":391,"contacts":392},"Veterans Hospital Service Medical Center",{"type":35,"coordinates":390},[343,344],{"lat":344,"lon":343},[393,397],{"name":394,"role":25,"phone":395,"phoneExt":10,"email":396},"Chang-Hoon Lee, MD","8210-5551-7867","changhoon.lee121@gmail.com",{"name":394,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":399,"status":31,"city":400,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":401,"geoPoint":405,"contacts":406},"Ulsan University Hospital","Ulsan",{"type":35,"coordinates":402},[403,404],129.31667,35.53722,{"lat":404,"lon":403},[407,411],{"name":408,"role":25,"phone":409,"phoneExt":10,"email":410},"Gyung-Min Park, MD","8210-9995-8684","min8684@hanmail.net",{"name":408,"role":22,"phone":10,"phoneExt":10,"email":10},{"facility":413,"status":31,"city":414,"state":10,"zip":10,"country":33,"countryCode":10,"cosmosGeoPoint":415,"geoPoint":419,"contacts":420},"Pusan National University Yangsan Hospital","Yangsan",{"type":35,"coordinates":416},[417,418],129.03358,35.34199,{"lat":418,"lon":417},[421,425],{"name":422,"role":25,"phone":423,"phoneExt":10,"email":424},"Kook Jin Chun, MD","8210-6342-2299","ptca82@gmail.com",{"name":422,"role":22,"phone":10,"phoneExt":10,"email":10},{"type":427,"investigatorFullName":428,"investigatorTitle":429,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"SPONSOR_INVESTIGATOR","Seung-Whan Lee, M.D., Ph.D.","M.D.",[431,434,436,438],{"name":432,"class":433},"Abbott Medical Devices","INDUSTRY",{"name":435,"class":433},"Teleflex",{"name":437,"class":433},"Medtronic",{"name":439,"class":433},"Dio","100336958","evaluation-of-effectiveness-and-safety-of-antegrade-and-retrograde-approach-of-percutaneous-coronary-intervention-for-chronic-total-occlusions-100336958",false,"NCT03667196","Evaluation of Effectiveness and Safety of Antegrade and Retrograde Approach of Percutaneous Coronary Intervention for Chronic Total Occlusions","Evaluation of Effectiveness and Safety of Antegrade and Retrograde Approach of Percutaneous Coronary Intervention for Chronic Total Occlusions; Systemic Chronic Total Occlusion Revascularization Korea Research-Chronic Total Occlusion (STRIKE-CTO) Study","STRIKE-CTO","Inclusion Criteria:\n\n* Patients aged\\>=19\n* Patients who have a CTO lesion in at least one or more epicardial coronary artery 2.5 mm in blood vessel diameter\n* Patients who have symptoms of angina or objectively proven myocardial ischemia (asymptomatic myocardial ischemia, stable or unstable angina, non - -ST-segment elevation myocardial infarction)\n* Patients who voluntarily agreed to the protocol and the clinical follow-up plan (or let their representative do this), and signed the informed consent form approved by the IRB of each study institute\n\nExclusion Criteria:\n\n* Patients who are pregnant or lactating or have childbearing potential Patients in whom contrast medium and heparin are contraindicated or who are hypersensitive to them\n* Patients in whom aspirin, clopidogrel, ticagrelor and prasugrel, cilostazol are contraindicated\n* Patients scheduled to undergo a surgery, etc. that requires discontinuance of an antiplatelet drug within 12 months after participation in the study\n* Acute ST elevation myocardial infarction at the time of hospitalization\n* Terminally ill patients with their life expectancy \\\u003C one year\n* Patients who have serious diseases other than cardiac diseases that may affect limitation of residual life time or observation of the protocol (e.g. oxygen-independent chronic obstructive pulmonary disease, persisting hepatitis or serious hepatic insufficiency, severe renal disease, etc. Be left up to the discretion of the investigator.)","ALL","19 Years",{"count":451,"type":452},4000,"ESTIMATED","OBSERVATIONAL","Objective of this study is to 1) analyze the clinical, anatomical and periprocedural differences of patients who underwent a procedure related to coronary CTO through the antergrade approach and retrograde approach; 2) analyze the success rate of the procedures and the incidence and patterns of complications; 3) compare and analyze long-term performances after the successful procedure; and 4) identify the independent factors that require a retrograde approach and the prognostic factor regarding long-term performances after use of each approach.",[456],"Chronic Total Occlusion of Coronary Artery","2026-06-23",{"date":459,"type":460},"2026-06-25","ACTUAL",{"date":462,"type":460},"2018-01-11",{"date":464,"type":452},"2032-12-31",{"name":428,"class":6},32]