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New RA drug enters first human safety trial

NCT ID NCT07234773

Disease control Sponsor: Kali Therapeutics, Inc. Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study tests a new drug, KT501, in 24 adults with moderate to severe rheumatoid arthritis (RA). The main goal is to check safety and how the body handles the drug after a single injection. Participants must have had RA for at least 6 months and not responded well to other treatments.

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 24 people

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

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

Aug 2027

An estimate. End dates often move.

Lead sponsor

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

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 2. Diagnosis of adult-onset RA for at least 6 months 3. Moderately to severely active RA 4. Inadequate treatment response as defined in the protocol 5. RF + or ACPA+ 6. Stable use of traditional DMARDs is permitted 7. Willing and able to comply with all study assessments and adhere to the protocol schedule and restrictions. Exclusion Criteria: 1. Functional class IV as defined by the ACR Classification of Functional Status in RA 2. Presence of any concomitant autoimmune disease other than RA 3. Active infection, history of serious recurrent or chronic infection 4. History of progressive multifocal leukoencephalopathy 5. Have a diagnosis or history of malignant disease within 5 years or breast cancer diagnosed within the previous 10 years. 6. History of or planned organ transplant and/or autologous or allogeneic hematopoietic stem cell transplantation 7. Receipt of live vaccine within 4 weeks 8. Major surgery (including joint surgery) within 8 weeks prior to screening or planned major surgery within 6 months after study 9. Women who are pregnant or breastfeeding 10. Significant or uncontrolled medical disease that would preclude participant participation

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Conditions

The condition(s) this trial relates to.

rheumatoid arthritis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Rheumatoid arthritis (RA)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

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

  3. 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 ↗

  4. 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

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • Kali Study Site

    RECRUITING

    Bayswater, Australia

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