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Surgery for Thumb Base Osteoarthritis: Joint Replacement vs. Trapeziectomy

Study acronym: BASTION
StatusRecruiting
PhaseNot applicable
Started
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Record History

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  1. Study sites: 2 to 1 Show 6 more changesShow less
    • Start date changed from estimate of Jul 1, 2026 to Sep 4, 2026
    • Eligibility criteria expanded, about 26 words
    • Secondary endpoints: details revised at 10 of 10 entries
    • Study description expanded, about 10 words
    • Collaborators: 2 to 1
    • Publications: details revised at 10 of 10 entries
  2. Recruitment opened
    • Start date: May 1, 2026 to Jul 1, 2026
    • Secondary endpoints: 13 to 10
    • Site details revised at 2 of 2 sites
    v2
  3. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
The goal of this clinical trial is to learn if the surgical method with total joint arthroplasty, (TOUCH joint prosthesis), is as good as or better than the traditional surgical method, trapezectomy, to treat thumb base joint osteoarthritis. The main questions it aims to answer are: Does surgery with total joint arthroplasty provide better power grip and pinch grip strength compared to traditional surgery? What is the long-term risk of complications for both methods? Which method is more cost-effective for the healthcare system? Researchers will compare total joint arthroplasty (TOUCH) to trapezectomy (a procedure where a bone in the thumb base is removed) to see which method provides the best results for the patient. Participants will: Be randomized to undergo either an operation with total joint arthroplasty or a trapezectomy. Undergo an initial evaluation and a health economic cost analysis after one year. Attend follow-up checkups at 2, 5, and 10 years post-surgery to evaluate long-term function and the durability of the prosthesis.
Trial Details
NCT Number NCT07569549
Lead Sponsor Uppsala University
Collaborators: Uppsala County Council, Sweden
Conditions
(from sponsor)		 Thumb Osteoarthritis, Thumb Carpometacarpal Joint Osteoarthritis, Carpometacarpal (CMC) Joint Arthritis, Basal Thumb Osteoartrithis
Related terms Capillary Malformations, Congenital, 1
Enrollment 84 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov