Engineered immune cells take on stubborn arthritis in early trial
NCT ID NCT07100873
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-phase study tests a new treatment called ADI-001 for adults with rheumatoid arthritis that hasn't improved with standard therapies. ADI-001 uses specially engineered immune cells from a donor to target and destroy faulty immune cells that drive inflammation. The main goal is to check safety and find the right dose, with 25 participants receiving the therapy and being monitored for side effects.
Why investors are watching
Adicet Bio is testing ADI-001, a cell therapy made from donor immune cells, in people with severe rheumatoid arthritis that did not respond to other treatments. This small phase 1 trial compares two different pre-treatment regimens before the cell infusion, and the result matters because ADI-001 is the company's lead product. For a micro-cap company, this early data will shape whether investors see a viable path forward for its pipeline.
If it works: A positive result could show that ADI-001 is safe and reduces disease activity in a hard-to-treat group, which would support moving the drug into larger trials. That progress could strengthen the company's position as a developer of cell therapies beyond cancer.
If it fails: Phase 1 trials often fail to show enough benefit or reveal safety problems, and a poor result could set the program back or force the company to rethink its approach. Any delay in enrollment or data readout would also weigh on a company of this size, since it has few other products to fall back on.
AI-written from the trial record. Speculative, and not investment advice.
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 25 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2025
- 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 80 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: 1. ≥ 18 years of age. 2. Fulfills the 2010 ACR-EULAR RA classification criteria 3. Agreement not to take traditional medicines and medications not prescribed by a doctor 4. Adequate hematological, liver, cardiac and pulmonary function Exclusion Criteria: 1. Presence of severe liver disease, Child-Pugh class B or C. 2. Autoimmune disease requiring prednisone higher than 0.5 mg/kg/day (or corticosteroid equivalent). 3. Subjects unwilling to participate in an extended safety monitoring period (LTFU protocol) 4. History of a clinically significant infection (including sepsis, pneumonia, bacteremia, fungal, viral and opportunistic infections) within 4 weeks prior to first dose of study drug which in the opinion of the Investigator may compromise the safety of the subject in the study.
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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
1 site. 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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Adicet Clinical Trials
RECRUITINGShanghai, Shanghai Municipality, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- A patient questionnaire may rival lab tests for spotting rheumatoid arthritis flares
- Could fewer pills mean same relief for rheumatoid arthritis?
- Can a single cell therapy calm multiple autoimmune diseases?
- Heart risk in rheumatoid arthritis: could a blood vessel drug help?
- Can talk therapy plus exercise beat arthritis fatigue?