[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100639790":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":10,"centralContacts":33,"locations":10,"responsibleParty":40,"collaborators":10,"id":44,"slug":45,"hasResults":46,"nctId":47,"briefTitle":48,"officialTitle":48,"acronym":10,"eligibilityCriteria":49,"healthyVolunteers":46,"sex":50,"minAge":51,"maxAge":52,"enrollmentInfo":53,"targetDuration":56,"studyType":57,"phases":10,"briefSummary":58,"conditions":59,"keywords":61,"overallStatus":65,"whyStopped":10,"lastUpdateSubmitDate":66,"lastUpdatePostDateStruct":67,"startDateStruct":70,"completionDateStruct":72,"leadSponsor":74,"locationsCount":10},{"fullName":5,"class":6},"Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Chronic pain and Thumb carpometacarpal (CMC) osteoarthritis: Suspension-resection arthroplasty",null,"This is a usual surgical treatment for patients with chronic pain and thumb CMC joint osteoarthritis. The clinical management of the patients will be adapted to the treatment standards of the Orthopedic Surgery and Traumatology Service of the Hospital de la Santa Creu i Sant Pau, without the performance of this study influencing this process.\n\nProcedure performe with a suspension-resection arthroplasty by modified Welby´s technique. Dorso-lateral approach. Complete resection of the trapezium and joint stabilization with tendon interposition arthroplasty. After resection a distally based strip of the Abductor Pollicis Longus tendon is looped along the Flexor Carpi Radialis tendon. After surgical intervention the immobilization is one month with a plaster cast.",[13],"Procedure: Trapezectomy and carpometacarpal joint resection-supension arthroplasty",{"label":15,"type":10,"description":16,"interventionNames":17},"Chronic pain and Thumb carpometacarpal (CMC) osteoarthritis: Trapeziometacarpal joint prosthesis","This is a usual surgical treatment for patients with chronic pain and thumb CMC joint osteoarthritis. The clinical management of the patients will be adapted to the treatment standards of the Orthopedic Surgery and Traumatology Service of the Hospital de la Santa Creu i Sant Pau, without the performance of this study influencing this process.\n\nProcedure performe with a thumb CMC joint prosthesis. Dorso-lateral approach. Insertion of a dual mobility trapeziometacarpal joint prosthesis. The Prosthesis consists of a hemispherical cup, a modular neck and of an anatomical metacarpal stem. It offers a complete range of implants allowing the choice between single and double mobility. After surgical intervention the immobilization is one month with a plaster cast.",[18],"Procedure: Trapeziometacarpal joint prosthesis",[20,27],{"type":21,"name":22,"description":23,"armGroupLabels":24,"otherNames":25},"PROCEDURE","Trapezectomy and carpometacarpal joint resection-supension arthroplasty","Carpometacarpal arthroplasty without implant: Trapezectomy and ligamentoplasty.",[9],[26],"trapezium resection ligamentoplasty arthroplasty",{"type":21,"name":28,"description":29,"armGroupLabels":30,"otherNames":31},"Trapeziometacarpal joint prosthesis","Joint carpometacarpal prostesis",[15],[32],"Trapeziometacarpal arthroplasty with implant",[34],{"name":35,"role":36,"phone":37,"phoneExt":38,"email":39},"Claudia Lamas, MD, Ph D","CONTACT","00-34-5537032","7032","clamasg@santpau.cat",{"type":41,"investigatorFullName":42,"investigatorTitle":43,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"PRINCIPAL_INVESTIGATOR","Claudia Lamas","Hand Unit and Upper Limb. Department of Orthopaedic Surgery. Hospital de la Santa Creu i Sant Pau. Universitat Autonoma de Barcelona. IP Musculoskeletal Group Institut de Recerca","100639790","biomechanical-evaluation-with-finite-element-models-in-thumb-carpometacarpal-osteoarthitis-prospective-comparative-analysis-of-loads-in-arthroplasty-with-or-without-implants-100639790",false,"NCT07614269","Biomechanical Evaluation With Finite Element Models in Thumb Carpometacarpal Osteoarthitis: Prospective Comparative Analysis of Loads in Arthroplasty With or Without Implants","Inclusion Criteria:\n\n* Primary Osteoarthritis in thumb CMC joint in the hand\n* Adults aged between 50 and 88 years old included.\n* Thumb CMC joint osteoarthritis, radiographic stages II, III and IV by Eaton- Littler classification (1973).\n\nExclusion Criteria:\n\n* Asymptomatic primary osteoarthritis in thumb CMC joint\n* Patients with osteoarthritis and age less than 50 years or more than 88 years.\n* Patients who have had previous interventions in the area, in this joint, injuries in this hand or fractures.\n* Patients with rheumatic diseases or collagen diseases that create joint instability.\n* Patients with physical or mental conditions that preclude intervention.\n* Thumb CMC joint osteoarthritis, radiographic stages I by Eaton-Littler classification (1973)","ALL","50 Years","88 Years",{"count":54,"type":55},40,"ESTIMATED","12 Months","OBSERVATIONAL","To better understand the load distribution in the Thumb Carpometacarpal Joint (CMC joint) in presence of osteoarthritis and how surgery by means of a suspension-resection arthroplasty or a joint replacement by means of a metal prosthesis affects this load distribution. These studies allow to supporting medical decisions and surgical treatments results with biomechanical evidence.The clinical management of the patients will be adapted to the treatment standards of the Orthopedic Surgery and Traumatology Service of the Hospital de la Santa Creu i Sant Pau, without the performance of this study influencing this process.",[60],"Thumb Carpometacarpal Joint Osteoarthritis",[62,63,64],"Thumb carpometacarpal joint osteoarthritis","carpometacarpal prosthesis","Thumb carpometacarpal arthroplasty","NOT_YET_RECRUITING","2026-05-25",{"date":68,"type":69},"2026-05-29","ACTUAL",{"date":71,"type":55},"2026-06-15",{"date":73,"type":55},"2026-12-31",{"name":5,"class":6}]