How cost-effective is a Touch® prosthesis for the treatment of thumb osteoarthritis compared to the removal of the damaged bone?

Phase 4

• Conditions: Patients with a carpometacarpal (CMC) I arthroplasty vs a resection-suspension-interposition (RSI) arthroplasty; Surgery

• Registration Number: ISRCTN10458465
• Lead Sponsor: Schulthess-Klinik

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2021-01-12
• Last Update Posted: 8 January 2024
• Study Completion: 2025-09-30

Recruitment & Eligibility

• Status: Ongoing
• Sex: All
• Target Recruitment: 122

Inclusion Criteria

1. Informed consent as documented by signature
2. Patient is diagnosed with primary osteoarthritis (OA) at the thumb carpometacarpal (CMC I) joint and will be operated with a Touch® prosthesis (typically on average 62.9 [±8] years old)
3. Patient is working in Switzerland and intends to continue doing so for at least the duration of their study participation (1 year, i.e. no retirement, sabbatical)
4. Comparison group: Patients who received a resection arthroplasty in a previous study (KEK-ZH Nr. 2013-0381) and had an occupation at that time

Exclusion Criteria

1. Patient with any type of revision surgery at the CMC I joint
2. Patient with rheumatoid arthritis
3. Patient has an additional surgery in the same session (except for simultaneous trigger finger release at the thumb)
4. Non-working patients
5. Legal incompetence
6. German or English language barrier which prevents the participant from completing the questionnaires

Study & Design

• Study Type: Observational
• Study Design: Not specified