[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100602665":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":25,"centralContacts":29,"locations":35,"responsibleParty":83,"collaborators":18,"id":85,"slug":86,"hasResults":87,"nctId":88,"briefTitle":89,"officialTitle":90,"acronym":18,"eligibilityCriteria":91,"healthyVolunteers":87,"sex":92,"minAge":93,"maxAge":18,"enrollmentInfo":94,"targetDuration":18,"studyType":97,"phases":98,"briefSummary":100,"conditions":101,"keywords":18,"overallStatus":37,"whyStopped":18,"lastUpdateSubmitDate":104,"lastUpdatePostDateStruct":105,"startDateStruct":108,"completionDateStruct":110,"leadSponsor":112,"locationsCount":113},{"fullName":5,"class":6},"Zhongshan Ophthalmic Center, Sun Yat-sen University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Treatment Group: IOL Plus CTR implantation","EXPERIMENTAL","Patients will undergo phacoemulsification combined with IOL and CTR implantation",[13],"Procedure: CTR implantation",{"label":15,"type":16,"description":17,"interventionNames":18},"Control Group: IOL implantation Only","NO_INTERVENTION","Patients will undergo phacoemulsification combined with IOL implantation. All patients undergo uneventful phacoemulsification by a 2.2 mm temporal transparent corneal incision using Centurion Vision System (Alcon Laboratories, Fort Worth, TX, USA). After the nucleus and cortex are removed, IOL (J\\&J Tecnis DCB00) is implanted in the capsular bag.",null,[20],{"type":21,"name":22,"description":23,"armGroupLabels":24,"otherNames":18},"PROCEDURE","CTR implantation","Device: CTR (275001G, OPHTEC BV, Netherlands) All patients undergo uneventful phacoemulsification by a 2.2 mm temporal transparent corneal incision using Centurion Vision System (Alcon Laboratories, Fort Worth, TX, USA). After the nucleus and cortex are removed, a capsular tension ring is implanted in the capsular bag and then IOL (J\\&J Tecnis DCB00) is implanted.",[9],[26],{"name":27,"affiliation":5,"role":28},"Xuhua Tan, PhD","PRINCIPAL_INVESTIGATOR",[30],{"name":31,"role":32,"phone":33,"phoneExt":18,"email":34},"Yuke Pan, Master","CONTACT","8613060768121","1693156383@qq.com",[36,53,68],{"facility":5,"status":37,"city":38,"state":39,"zip":40,"country":41,"countryCode":42,"cosmosGeoPoint":43,"geoPoint":48,"contacts":49},"RECRUITING","Guangzhou","Guangdong","510623","China","CN",{"type":44,"coordinates":45},"Point",[46,47],113.25,23.11667,{"lat":47,"lon":46},[50],{"name":27,"role":32,"phone":51,"phoneExt":18,"email":52},"8613926019722","doctxh@163.com",{"facility":54,"status":55,"city":56,"state":39,"zip":57,"country":41,"countryCode":42,"cosmosGeoPoint":58,"geoPoint":62,"contacts":63},"Shenzhen Eye Hospital","NOT_YET_RECRUITING","Shenzhen","518040",{"type":44,"coordinates":59},[60,61],114.0683,22.54554,{"lat":61,"lon":60},[64],{"name":65,"role":32,"phone":66,"phoneExt":18,"email":67},"Kun Zeng","86-755-23959600","szsykyyxf@163.com",{"facility":69,"status":55,"city":70,"state":71,"zip":72,"country":41,"countryCode":42,"cosmosGeoPoint":73,"geoPoint":77,"contacts":78},"Wuhan Aier Eye Hospital","Wuhan","Hubei","430061",{"type":44,"coordinates":74},[75,76],114.26667,30.58333,{"lat":76,"lon":75},[79],{"name":80,"role":32,"phone":81,"phoneExt":18,"email":82},"Yong Wang","027-68893999","800013221@qq.com",{"type":84,"investigatorFullName":18,"investigatorTitle":18,"investigatorAffiliation":18,"oldNameTitle":18,"oldOrganization":18},"SPONSOR","100602665","impact-of-capsular-tension-ring-on-intraocular-lens-position-in-retinitis-pigmentosa-cataract-patients-100602665",false,"NCT07126470","Impact of Capsular Tension Ring on Intraocular Lens Position in Retinitis Pigmentosa Cataract Patients","Effect of Capsular Tension Ring Implantation on Postoperative IOL Position in Retinitis Pigmentosa Patients With Cataract: a Multi-center, Randomized, Self-controlled Study","Inclusion Criteria:\n\n* Age ≥ 18 years.\n* Clinical diagnosis of retinitis pigmentosa (RP).\n* Bilateral cataract meeting the indications for IOL implantation.\n* Willingness to participate in the study and provision of signed informed consent.\n\nExclusion Criteria:\n\n* History of intraocular surgery.\n* Severe zonular weakness (e.g., zonular dialysis \\>90°, lens subluxation\u002Fdislocation)\n* Other ocular comorbidity: such as pseudoexfoliation syndrome, ocular trauma, corneal dystrophies, uveitis, etc.\n* Severe systemic diseases: such as severe hypertension, diabetes, heart disease, Alzheimer's, Parkinson, etc.","ALL","18 Years",{"count":95,"type":96},88,"ESTIMATED","INTERVENTIONAL",[99],"NA","This is a self-controlled randomized clinical trial to investigate the effect of capsular tension ring (CTR) implantation on intraocular lens (IOL) position in cataract patients with retinitis pigmentosa(RP). Each patient will receive CTR implantation in one eye, with the fellow eye serving as control. Postoperative outcomes, including visual acuity, IOL position, and postoperative complications will be compared between eyes.",[102,103],"Cataract","Retinitis Pigmentosa (RP)","2026-04-20",{"date":106,"type":107},"2026-04-23","ACTUAL",{"date":109,"type":107},"2025-08-25",{"date":111,"type":96},"2027-08",{"name":5,"class":6},3]