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New CAPS pill enters first human tests

NCT ID NCT07247266

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This early-phase trial is testing an experimental drug called JTE-162 in 5 adults with CAPS, a rare condition that causes fever, rash, and joint pain. Participants take one tablet daily for 2 weeks. Researchers will check if the drug safely reduces inflammation and improves symptoms. Because this is a very small, short study, it is mainly about safety and finding the right dose.

What this could mean

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

Active substance
JTE-162 (an experimental drug taken as a tablet once daily)
What this could lead to
If it works, this could point toward a new daily treatment to control CAPS symptoms and reduce inflammation.
What could go wrong
This is a very early, tiny study (only 5 people) testing safety and short-term effects. It may not work or could have side effects. Much more research is needed.

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 5 people

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

Started

Feb 2026

Expected to finish

Dec 2026

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 80 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: * Diagnosed with familial cold autoinflammatory syndrome (FCAS) or Muckle-Wells syndrome (MWS) confirmed by: * Clinical History: At least 2 typical clinical symptoms (e.g., urticarial skin rash, myalgia, arthralgia, recurrent fever, fatigue/malaise, conjunctivitis or other autoinflammatory symptoms) prior to the Screening Visit; AND * Genetic Confirmation: Confirmed nucleotide-binding and oligomerization domain (NOD)-like receptor family pyrin domain containing 3 (NLRP3) mutation; * Willing to discontinue current anti-interleukin (IL)-1 treatment, if applicable; * Demonstrates de novo flaring of CAPS during the Screening Period. Exclusion Criteria: * Has chronic infantile neurologic cutaneous articular syndrome (CINCA)/neonatal-onset multisystem inflammatory disease (NOMID); * Has a history or presence of amyloidosis, progressive hearing loss, organ damage or any symptom contraindicating anti-IL-1 treatment washout; * Has active systemic bacterial, fungal or viral infection(s) within 14 days prior to Day 1 or a history of clinically significant recurrent infectious diseases

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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 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: •••••@•••••

  • Contact

    Email: •••••@•••••

Locations

  • Gordon Sussman Clinical Research Inc.

    RECRUITING

    North York, Ontario, M3B 3S6, Canada

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