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New Immune-Guiding drug takes on stubborn arthritis

NCT ID NCT06946199

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This early-stage trial is testing a new drug called cizutamig in 28 people with severe rheumatoid arthritis that hasn't responded to other treatments. The drug works by directing the immune system to attack certain cells involved in the disease. The main goal is to check safety, but researchers will also look for signs that the drug might help control arthritis.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
cizutamig (a drug that directs immune cells to attack certain cells involved in rheumatoid arthritis)
What this could lead to
If it works, this could point toward a new treatment option for people with hard-to-treat rheumatoid arthritis.
What could go wrong
This is a very early, small Phase 1 trial focused on safety, not proof of effectiveness. The drug may cause side effects or fail to improve arthritis symptoms.

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

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

About 28 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jun 2025

Expected to finish

Jun 2027

An estimate. End dates often move.

Lead sponsor

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

18 to 75 years

Sex

Anyone

Healthy volunteers

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

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 to 75 years old at the time of signing the informed consent form 2. Diagnosis of adult-onset RA as defined by the 2010 ACR/EULAR classification criteria 3. Moderately to severely active RA. 4. Positive test results for RF and/or ACPA at Screening. Inadequate treatment response defined as either lack of clinical benefit or intolerability to treatment with tsDMARD and/or bDMARD Exclusion Criteria: 1. Inadequate clinical laboratory parameters at Screening 2. Patients with active infection 3. Receipt of live vaccine within 4 weeks prior to Screening 4. Presence of any concomitant autoimmune disease 5. History of progressive multifocal leukoencephalopathy 6. History of primary immunodeficiency or a hereditary deficiency of the complement system 7. Central nervous system disease 8. Presence of 1 or more significant concurrent medical conditions per investigator judgment 9. Have a diagnosis or history of malignant disease within 5 years 10. Serious mental illness, alcohol or drug abuse, dementia, or any other condition that would impair the patient's ability to receive the planned treatment or to understand informed consent at the study site as determined by local practice

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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.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • Wuhan Union Hospital

    RECRUITING

    Wuhan, Hubei, 430000, China

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