[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100364944":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":30,"centralContacts":35,"locations":45,"responsibleParty":63,"collaborators":25,"id":65,"slug":25,"hasResults":66,"nctId":67,"briefTitle":68,"officialTitle":69,"acronym":70,"eligibilityCriteria":71,"healthyVolunteers":66,"sex":72,"minAge":73,"maxAge":25,"enrollmentInfo":74,"targetDuration":25,"studyType":77,"phases":78,"briefSummary":80,"conditions":81,"keywords":84,"overallStatus":48,"whyStopped":25,"lastUpdateSubmitDate":86,"lastUpdatePostDateStruct":87,"startDateStruct":90,"completionDateStruct":92,"leadSponsor":94,"locationsCount":95},{"fullName":5,"class":6},"JointResearch","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"unipolar cup","ACTIVE_COMPARATOR","550 patients will receive a total hip arthroplasty with a unipolar cup.",[13],"Procedure: Unipolar cup",{"label":15,"type":10,"description":16,"interventionNames":17},"Dual Mobility cup","550 patients will receive a total hip arthroplasty with a dual mobility cup.",[18],"Procedure: Dual mobility cup",[20,26],{"type":21,"name":22,"description":23,"armGroupLabels":24,"otherNames":25},"PROCEDURE","Unipolar cup","Cemented unipolar acetabulum cup for primary THA",[9],null,{"type":21,"name":27,"description":28,"armGroupLabels":29,"otherNames":25},"Dual mobility cup","Cemented dual mobility acetabulum cup for primary THA",[15],[31],{"name":32,"affiliation":33,"role":34},"Rudolf Poolman, MD, PhD","OLVG, Amsterdam, the Netherlands","PRINCIPAL_INVESTIGATOR",[36,41],{"name":37,"role":38,"phone":39,"phoneExt":25,"email":40},"Loes van Beers, MSc","CONTACT","+31205993653","l.w.a.h.vanbeers@olvg.nl",{"name":42,"role":38,"phone":43,"phoneExt":25,"email":44},"Nienke Willigenburg, PhD","+31205992415","n.w.willigenburg@olvg.nl",[46],{"facility":47,"status":48,"city":49,"state":25,"zip":50,"country":51,"cosmosGeoPoint":52,"geoPoint":57,"contacts":58},"OLVG","RECRUITING","Amsterdam","1091 AC","Netherlands",{"type":53,"coordinates":54},"Point",[55,56],4.88969,52.37403,{"lat":56,"lon":55},[59,61],{"name":37,"role":38,"phone":60,"phoneExt":25,"email":40},"020-5993653",{"name":42,"role":38,"phone":62,"phoneExt":25,"email":44},"020-5992415",{"type":64,"investigatorFullName":25,"investigatorTitle":25,"investigatorAffiliation":25,"oldNameTitle":25,"oldOrganization":25},"SPONSOR","100364944",false,"NCT04031820","Dual-mobility Cups Compared to Unipolar Cups on Dislocation and Cost-effectiveness After Primary Total Hip Arthroplasty.","Effectiveness of Dual-mobility Cups for Preventing Dislocation After Primary Total Hip Arthroplasty by a Posterolateral Approach and Their Cost-effectiveness Compared to Unipolar Cups in Elderly Patients.","REDEP","Inclusion Criteria:\n\n* Patients who are eligible for elective primary THA with a cemented cup, with a 32mm or 36 mm liner, for any indication.\n* THA using posterolateral surgical approach.\n* Patients ≥ 70 years old\n* Adequate comprehension of written and spoken Dutch\n\nExclusion Criteria\n\n* Patients unable to complete PROMs\n* Patients with dementia, epilepsy\\*, spasticity\\*, mental retardation or alcoholism. (If dementia or mental retardation is not already mentioned in the medical chart, this can be determined by doctors opinion.)\n* Patients not eligible for either a unipolar or a DM cup\n\n  * These patients will be asked to participate in the non-randomized dual mobility observational cohort.","ALL","70 Years",{"count":75,"type":76},1100,"ESTIMATED","INTERVENTIONAL",[79],"NA","Objective: The primary objective is to investigate whether there is a difference in the number of hip dislocations following primary total hip arthroplasty (THA), using the posterolateral approach, with a DM cup compared to a unipolar cup in elderly patients 1 year after surgery.\n\nStudy design: Prospective multi-center nation wide, single blinded RCT nested in the LROI.\n\nStudy population: Patients ≥ 70 years old, undergoing an elective primary cemented THA.",[82,83],"Total Hip Arthroplasty","Osteoarthritis, Hip",[85,15],"Primary total hip arthroplasty","2025-02-25",{"date":88,"type":89},"2025-02-28","ACTUAL",{"date":91,"type":89},"2019-01-01",{"date":93,"type":76},"2027-05-01",{"name":5,"class":6},1]