[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100610494":3},{"organization":4,"armGroups":7,"interventions":10,"overallOfficials":12,"centralContacts":16,"locations":22,"responsibleParty":54,"collaborators":10,"id":56,"slug":57,"hasResults":58,"nctId":59,"briefTitle":60,"officialTitle":61,"acronym":62,"eligibilityCriteria":63,"healthyVolunteers":58,"sex":64,"minAge":65,"maxAge":10,"enrollmentInfo":66,"targetDuration":10,"studyType":69,"phases":10,"briefSummary":70,"conditions":71,"keywords":10,"overallStatus":25,"whyStopped":10,"lastUpdateSubmitDate":73,"lastUpdatePostDateStruct":74,"startDateStruct":77,"completionDateStruct":79,"leadSponsor":81,"locationsCount":82},{"fullName":5,"class":6},"Johnson & Johnson Medical (Shanghai) Ltd.","INDUSTRY",[8],{"label":9,"type":10,"description":11,"interventionNames":10},"Choydar Flow-Directed Mesh Stent",null,"The choydar flow-directed mesh stent will be used in accordance to its Instructions For Use (IFU) in participants with unruptured intracranial aneurysms. Participants will not receive any other intervention as a part of this study.",[13],{"name":14,"affiliation":5,"role":15},"Johnson & Johnson Medical (Shanghai) Ltd. Clinical Trial","STUDY_DIRECTOR",[17],{"name":18,"role":19,"phone":20,"phoneExt":10,"email":21},"Yuanyuan Gu","CONTACT","86 15692105615","ygu51@its.jnj.com",[23,36,45],{"facility":24,"status":25,"city":26,"state":10,"zip":27,"country":28,"countryCode":29,"cosmosGeoPoint":30,"geoPoint":35,"contacts":10},"Guangdong Provincial People's Hospital","RECRUITING","Guangzhou","519041","China","CN",{"type":31,"coordinates":32},"Point",[33,34],113.25,23.11667,{"lat":34,"lon":33},{"facility":37,"status":25,"city":38,"state":10,"zip":39,"country":28,"countryCode":29,"cosmosGeoPoint":40,"geoPoint":44,"contacts":10},"Nanjing Drum Tower Hospital The Affiliated Hospital of Nanjing University Medical School","Nanjing","210008",{"type":31,"coordinates":41},[42,43],118.77778,32.06167,{"lat":43,"lon":42},{"facility":46,"status":25,"city":47,"state":10,"zip":48,"country":28,"countryCode":29,"cosmosGeoPoint":49,"geoPoint":53,"contacts":10},"The First Affiliated Hospital of Zhengzhou University","Zhengzhou","450052",{"type":31,"coordinates":50},[51,52],113.64861,34.75778,{"lat":52,"lon":51},{"type":55,"investigatorFullName":10,"investigatorTitle":10,"investigatorAffiliation":10,"oldNameTitle":10,"oldOrganization":10},"SPONSOR","100610494","a-study-of-choydar-flow-directed-mesh-stent-in-the-treatment-of-unruptured-intracranial-aneurysms-100610494",false,"NCT07228312","A Study of Choydar Flow-Directed Mesh Stent in the Treatment of Unruptured Intracranial Aneurysms","A Multicenter, Prospective, Single-Arm Observational Study to Evaluate the Safety and Effectiveness of the Choydar Flow-Directed Mesh Stent in the Treatment of Unruptured Intracranial Aneurysms","CROWN","Inclusion criteria:\n\nParticipants meeting all the following inclusion criteria will be included:\n\nPreoperative inclusion criteria:\n\n* Presence of unruptured aneurysms in the internal carotid artery (from the petrous segment to the distal end) or vertebral artery identified by digital subtraction angiography (DSA), computed tomography angiography (CTA), or magnetic resonance angiography (MRA) prior to surgery, wide-neck (neck width greater than or equal to \\[\\>=\\] 4 millimeters \\[mm\\] or dome-to-neck ratio less than \\[\\\u003C\\] 2) saccular or fusiform aneurysms, and the parent artery diameter must be \\>= 2.0 mm and less than or equal to \\[\\\u003C=\\] 6.0 mm\n* Participants and\u002For their authorized representatives understand the purpose of the study, and are willing to voluntarily participate in the study and sign the informed consent form (ICF)\n* Prior to enrollment, a clinical decision has already been made to use the choydar flow-directed mesh stent\n* Participants who are willing and able to return for all follow-up visits as required by the study protocol\n\nIntraoperative inclusion criteria:\n\n\\- Presence of unruptured aneurysms in the internal carotid artery (from the petrous segment to the distal end) or vertebral artery identified by DSA during the procedure, wide-neck (neck width \\>= 4 mm or dome-to-neck ratio \\\u003C2) saccular or fusiform aneurysms, and the parent artery diameter must be \\>= 2.0 mm and \\\u003C= 6.0 mm\n\nExclusion criteria:\n\nParticipants meeting any of the following exclusion criteria will be excluded:\n\n* Participants with anatomy are unsuitable for flow diverter passage or placement or lesions unsuitable for flow diverter delivery and deployment (for example, the lesion vessel is excessively tortuous or tiny, the flow diverter cannot reach the lesion site, stenosis exists in the target vessel of recurrent aneurysm, or the flow diverter is not completely deployed)\n* Participants who are allergic to contrast media\n* Participants who are allergic to nickel-titanium alloy or platinum-tungsten alloy\n* Participants who are contraindicated for antiplatelet and\u002For anticoagulant therapy\n* Participants with active bacterial infections\n* Participants who are confirmed positive pregnancy (for example, via test or oral communication) according to the site-specific standard of care\n* Participants who are currently participating in an investigational (drug, device, etc.) clinical study that may confound the study endpoints (excluding observational, natural history, and\u002For epidemiological studies that do not require interventions)","ALL","18 Years",{"count":67,"type":68},200,"ESTIMATED","OBSERVATIONAL","The purpose of this study is to assess how safe choydar flow-directed mesh stent is and how well it works in the treatment of unruptured intracranial aneurysms (a condition in which a bulging blood vessel in the brain can burst and cause bleeding) in a real-world setting.",[72],"Intracranial Aneurysm","2026-06-04",{"date":75,"type":76},"2026-06-05","ACTUAL",{"date":78,"type":76},"2026-01-28",{"date":80,"type":68},"2028-02-10",{"name":5,"class":6},3]