Could a Baby's cord membrane ease thumb arthritis pain?
NCT ID NCT07435571
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study tests whether a piece of human umbilical cord membrane can be used as a cushion in the thumb joint to treat arthritis. About 22 people with thumb arthritis who haven't improved with standard care will receive the implant during surgery. Researchers will track pain, thumb movement, and grip strength for a year to see if it helps.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- human umbilical cord amniotic membrane allograft (SclerFIX)
- What this could lead to
- If it works, this could offer a new surgical option to reduce pain and improve thumb function for people with thumb arthritis.
- What could go wrong
- This is a very small early-phase trial with only 22 people, so results may not apply widely. The implant is new and its safety and effectiveness are not yet proven.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 22 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Mar 2026
An estimate. Start dates often move.
- Expected to finish
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Mar 2028
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 75 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patient presenting with symptomatic osteoarthritis of the trapeziometacarpal joint, with wrist pain ≥ 40/100 according to the PRWE pain subscale (scaled to 100). * Patient who has received medical treatment for functional symptoms for more than 3 months without improvement, and for whom surgical intervention is indicated. * Patient with radiographic stage I-II trapeziometacarpal joint osteoarthritis according to the Eaton-Glickel classification. * Patient able to understand, date, and sign the informed consent form. * Patient affiliated with a social security system or beneficiary of such a system. Exclusion Criteria: * Pregnant or breastfeeding woman ; woman without effective contraception. * Patient with scaphotrapeziotrapezoid (STT) joint osteoarthritis requiring prosthetic surgical treatment. * Patient with thumb osteoarthritis secondary to a systemic inflammatory disease (e.g., rheumatoid arthritis). * Patient with osteoarthritis experiencing an acute inflammatory flare, characterized by a warm, painful, and swollen joint at the time of enrollment. * Patient with amputated hand(s). * Patient presenting signs of neuropathy with functional impairment such as hyperesthesia. Neuropathy may be peripheral (nerve injury) or systemic (caused by diabetes or excessive alcohol consumption). * Patient lacking capacity to participate in rehabilitation or to comply with study follow-up. * Patient with a contraindication to anesthesia (poorly controlled epilepsy, neuropathy, etc.). * Person deprived of liberty by a judicial or administrative decision. * Adult subject under legal protection or unable to provide informed consent.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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