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New pill shows promise for Hard-to-Treat cancers

NCT ID NCT06974110

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This early-stage study tests a new oral drug, MOMA-341, alone or with other treatments, in people with advanced solid tumors that have specific genetic changes (MSI-H or dMMR). The main goal is to check safety and find the best dose. About 132 adults whose cancer has not responded to standard therapies will participate.

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 132 people

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

Started

Jul 2025

Expected to finish

May 2028

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 years and older

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. Age ≥ 18 years 2. Participants have unresectable advanced or metastatic solid tumors with MSI-H or dMMR alterations and histologically confirmed disease. Participants must have previously received and progressed on an anti-PD-(L)1-based regimen, unless ineligible or in a region without access to anti-PD-(L)1 therapies 3. Have at least 1 lesion at baseline (measurable or non-measurable) suitable for repeat imaging evaluation by RECIST and/or PCWG-3 4. ECOG PS ≤ 2 5. Fully recovered from clinically relevant effects of prior therapy, radiotherapy, and/or surgery \*\*hormonal therapy allowed. Palliative radiotherapy allowed 6. Adequate organ function per local labs 7. Comply with contraception requirements 8. Written informed consent must be obtained according to local guidelines Exclusion Criteria: 1. Known Werner Syndrome 2. Active prior or concurrent advanced-stage malignancy (some exceptions allowed including early-stage cancers) 3. Clinically relevant cardiovascular disease 4. Known CNS metastasis associated with progressive neurological symptoms (stable doses of corticosteroids allowed) 5. Known active uncontrolled infection 6. Known allergy, hypersensitivity, and/or intolerance to MOMA-341 7. Impaired GI function that may impact absorption 8. Patient is pregnant or breastfeeding 9. Known to be HIV positive, unless all of the following criteria are met: 1. Undetectable viral load or CD4+ count ≥300 cells/μL 2. Receiving highly active antiretroviral therapy 3. No AIDS-related illness within the past 12 months 10. Active liver disease (some exceptions are allowed) 11. Prior or ongoing condition, therapy, or laboratory abnormality that, in the investigator's opinion, may affect safety of the patient, confound the results of the study, and/or interfere with the patients participation 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.

  1. The places running it

    13 sites in 2 countries. 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

  • Investigative Site #101

    RECRUITING

    San Diego, California, 92037, United States

  • Investigative Site #110

    RECRUITING

    St Louis, Missouri, 63108, United States

  • Investigative Site #119

    RECRUITING

    Perth, Western Australia, 6009, Australia

  • Investigative Site #120

    RECRUITING

    Detroit, Michigan, 48201, United States

  • Investigative Site #121

    RECRUITING

    Portland, Oregon, 97239, United States

  • Investigative Site #122

    RECRUITING

    Sydney, New South Wales, 2031, Australia

  • Investigative Site #123

    RECRUITING

    Westmead, New South Wales, 2145, Australia

  • Investigative Site #124

    COMPLETED

    Woolloongabba, Queensland, 4102, Australia

  • Investigative Site #125

    RECRUITING

    Adelaide, South Australia, 5000, Australia

  • Investigative Site #126

    RECRUITING

    Clayton, Victoria, 3168, Australia

  • Investigative Site #127

    COMPLETED

    Dallas, Texas, 75230, United States

  • Investigative Site #128

    RECRUITING

    Tampa, Florida, 33612, United States

  • Investigative Site #129

    RECRUITING

    Houston, Texas, 77030, United States

  • Investigative Site #131

    RECRUITING

    Raleigh, North Carolina, 27710, United States

  • Investigative Site #132

    RECRUITING

    Phoenix, Arizona, 85054, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.