[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100592220":3},{"organization":4,"outcomesModule":7,"designInfo":30,"detailedDescription":33,"studyPopulation":34,"armGroups":35,"interventions":29,"overallOfficials":29,"centralContacts":29,"locations":39,"responsibleParty":52,"collaborators":56,"id":61,"slug":29,"hasResults":62,"nctId":63,"briefTitle":64,"officialTitle":64,"acronym":29,"eligibilityCriteria":65,"healthyVolunteers":62,"sex":66,"minAge":67,"maxAge":68,"enrollmentInfo":69,"targetDuration":29,"studyType":72,"phases":29,"briefSummary":73,"conditions":74,"keywords":29,"overallStatus":76,"whyStopped":29,"lastUpdateSubmitDate":77,"lastUpdatePostDateStruct":78,"startDateStruct":81,"completionDateStruct":83,"leadSponsor":85,"locationsCount":86},{"fullName":5,"class":6},"Beijing Tsinghua Chang Gung Hospital","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":13,"otherOutcomes":29},[9],{"measure":10,"description":11,"timeFrame":12},"Knee Society Score (KSS)","The KSS is a standardized assessment tool used to evaluate knee function and pain following total knee arthroplasty. It includes an objective knee score and a functional score, measuring alignment, stability, and range of motion.","At baseline, 6 months, and 12 months post-surgery",[14,17,21,25],{"measure":15,"description":16,"timeFrame":12},"Pain Severity","Visual Analog Scale (VAS) and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) will be used to assess pain levels pre- and post-surgery.",{"measure":18,"description":19,"timeFrame":20},"Functional Improvement","Functional improvement will be measured using SF-36 Health Survey, Knee Injury and Osteoarthritis Outcome Score (KOOS), and gait analysis.","At baseline, 6 months, and 12 months post-surgery.",{"measure":22,"description":23,"timeFrame":24},"Prosthesis Positioning and Alignment","Radiographic evaluation will assess implant positioning and limb alignment.","At baseline and 12 months post-surgery.",{"measure":26,"description":27,"timeFrame":28},"Surgical Complication Rate","The rate of postoperative complications including infections, deep vein thrombosis (DVT), and revision surgeries will be recorded.","At 12 months post-surgery.",null,{"allocation":29,"interventionModel":29,"interventionModelDescription":29,"primaryPurpose":29,"observationalModel":31,"timePerspective":32,"maskingInfo":29},"COHORT","PROSPECTIVE","This study aims to assess the performance of personalized, semi-personalized, and conventional total knee arthroplasty (TKA) procedures across different patient groups.\n\nThis is a prospective cohort and controlled study involving 120 patients, including 40 in the experimental group receiving personalized TKA, 40 receiving semi-personalized TKA, and 40 in the control group receiving conventional TKA. Participants will be 50-80 years old, diagnosed with end-stage knee osteoarthritis, post-traumatic arthritis, avascular necrosis, inflammatory arthritis, or deformities requiring total knee arthroplasty. They will be followed for one year post-surgery to assess clinical outcomes.","The study population consists of 120 patients aged 50-80 years diagnosed with end-stage knee osteoarthritis, post-traumatic arthritis, avascular necrosis, or inflammatory arthritis, who require total knee arthroplasty (TKA). Participants will be recruited from multiple centers, including Beijing Tsinghua Chang Gung Hospital, Peking University Shougang Hospital, and Beijing Chaoyang Hospital. The study will compare personalized, semi-personalized, and conventional TKA procedures in terms of surgical outcomes, functional recovery, complication rates, and cost-effectiveness.",[36],{"label":37,"type":29,"description":38,"interventionNames":29},"Cohort 1","A total of 120 participants will be enrolled, with 40 receiving total knee arthroplasty (TKA) using a personalized prosthesis, 40 receiving semi-personalized TKA, and 40 receiving conventional TKA. Participants will be followed for one year post-surgery to assess clinical outcomes.",[40],{"facility":5,"status":29,"city":41,"state":42,"zip":43,"country":44,"countryCode":45,"cosmosGeoPoint":46,"geoPoint":51,"contacts":29},"Beijing","Beijing Municipality","102218","China","CN",{"type":47,"coordinates":48},"Point",[49,50],116.39723,39.9075,{"lat":50,"lon":49},{"type":53,"investigatorFullName":54,"investigatorTitle":55,"investigatorAffiliation":5,"oldNameTitle":29,"oldOrganization":29},"PRINCIPAL_INVESTIGATOR","YujiakuoTHU","Prof.",[57,59],{"name":58,"class":6},"Peking University Shougang Hospital",{"name":60,"class":6},"Beijing Chao Yang Hospital","100592220",false,"NCT06990594","A Multi-Center Bidirectional Cohort Study on Total Knee Arthroplasty for the Treatment of Knee Osteoarthritis","Inclusion Criteria:\n\n1. Patients aged 50-80 years.\n2. Diagnosed with end-stage knee osteoarthritis, post-traumatic arthritis, avascular necrosis, or inflammatory arthritis requiring total knee arthroplasty.\n3. Willing and able to provide informed consent.\n\nExclusion Criteria:\n\n1. History of prior knee surgery or knee replacement.\n2. Severe knee deformity (valgus \\>20° or varus \\>15°) or instability.\n3. Severe contracture (\\>25° flexion contracture).\n4. Undergoing total knee revision surgery.\n5. Rheumatoid arthritis diagnosis.\n6. BMI \\>35.\n7. Neuromuscular disorders affecting knee stability or gait.\n8. Pregnancy or lactation.\n9. Presence of significant comorbidities posing unacceptable risk.\n10. Active or recent severe infections or malignancy.\n11. History of drug or alcohol abuse in the past six months.","ALL","50 Years","80 Years",{"count":70,"type":71},120,"ESTIMATED","OBSERVATIONAL","The purpose of this study is to evaluate the clinical benefits of different types of total knee arthroplasty (TKA) in osteoarthritis treatment. The study aims to compare surgical outcomes, functional recovery, complication rates, and cost-effectiveness among personalized, semi-personalized, and conventional TKA in a multi-center, bidirectional cohort study.",[75],"Osteoarthritis","NOT_YET_RECRUITING","2025-05-17",{"date":79,"type":80},"2025-05-25","ACTUAL",{"date":82,"type":71},"2025-06-01",{"date":84,"type":71},"2027-12-31",{"name":5,"class":6},1]