New pill shows promise for Hard-to-Treat cancers
NCT ID NCT06974110
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
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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 132 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2025
- Expected to finish
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May 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 years and older
- 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. 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.
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The places running it
13 sites in 2 countries. 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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Investigative Site #101
RECRUITINGSan Diego, California, 92037, United States
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Investigative Site #110
RECRUITINGSt Louis, Missouri, 63108, United States
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Investigative Site #119
RECRUITINGPerth, Western Australia, 6009, Australia
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Investigative Site #120
RECRUITINGDetroit, Michigan, 48201, United States
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Investigative Site #121
RECRUITINGPortland, Oregon, 97239, United States
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Investigative Site #122
RECRUITINGSydney, New South Wales, 2031, Australia
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Investigative Site #123
RECRUITINGWestmead, New South Wales, 2145, Australia
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Investigative Site #124
COMPLETEDWoolloongabba, Queensland, 4102, Australia
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Investigative Site #125
RECRUITINGAdelaide, South Australia, 5000, Australia
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Investigative Site #126
RECRUITINGClayton, Victoria, 3168, Australia
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Investigative Site #127
COMPLETEDDallas, Texas, 75230, United States
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Investigative Site #128
RECRUITINGTampa, Florida, 33612, United States
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Investigative Site #129
RECRUITINGHouston, Texas, 77030, United States
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Investigative Site #131
RECRUITINGRaleigh, North Carolina, 27710, United States
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Investigative Site #132
RECRUITINGPhoenix, Arizona, 85054, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Oral drug that targets two cancer drivers tested in first human study
- Can hormone pills replace chemo for aggressive endometrial cancer?
- Mitochondria-Targeting drug gamitrinib tested for first time in humans
- Can a Two-Drug combo outsmart advanced cancer?
- Can an experimental pill boost cancer immunotherapy? early trial puts HG146 to the test
- New injectable drug tested for safety in Hard-to-Treat solid tumors