Can donated stem cells calm rheumatoid arthritis?
NCT ID NCT05003934
First seen Oct 20, 2026 · Last updated Oct 21, 2026 · Updated 1 time
Summary
Researchers are testing whether donated mesenchymal stem cells from umbilical cord or placental tissue are safe for people with rheumatoid arthritis. Participants receive the cells both as an intravenous infusion and as an injection directly into affected joints. The trial tracks side effects and measures changes in disease activity and pain over follow-up visits. This early-phase study aims to see if the approach is safe and worth testing in larger groups.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- cultured allogeneic adult umbilical cord or placental derived mesenchymal stem cells
- What this could lead to
- If it works, this could point toward a new cell-based treatment for rheumatoid arthritis that calms the immune system and reduces joint pain.
- What could go wrong
- This is a small, early-phase safety trial, so researchers do not yet know if the cells help or if benefits last. Donated cells may trigger immune reactions or infections, and the procedure may not work for everyone.
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 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 20 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2021
- Expected to finish
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Sep 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
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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Children (under 18), adults (18 to 64) and older adults (65 and over)
- 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: * Diagnosis of Rheumatoid Arthritis * Understanding and willingness to sign a written informed consent document Exclusion Criteria: * Active infection * Active cancer * Chronic multisystem organ failure * Pregnancy * Clinically significant Abnormalities on pre-treatment laboratory evaluation * Medical condition that would (based on the opinion of the investigator) compromise patient's safety. * Continued drug abuse * Pre-menopausal women not using contraception * Previous organ transplant * Hypersensitivity to sulfur
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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 places running it
2 sites in 2 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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.
Contacts and locations
Locations
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Prodromos Stem Cell Institute
RECRUITINGNaples, Florida, 34102, United States
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Prodromos Stem Cell Institute
RECRUITINGAthens, Greece
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