New pill takes aim at Hard-to-Treat cancers
NCT ID NCT07197554
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-phase trial tests an experimental oral drug called ST-01156 in adults with advanced solid tumors that have spread or cannot be removed by surgery. The drug works by breaking down a protein inside cancer cells. The main goals are to find a safe dose and check for side effects. About 171 participants with cancers like Ewing sarcoma, liver cancer, or bile duct cancer will take the drug for 5 days each week.
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 171 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2025
- Expected to finish
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Dec 2029
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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16 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age ≥ 18 years on the day of signing the consent form, except for adolescents with Ewing Sarcoma or other malignancies for which there is a biological rationale to support participation, in which case the participant is ≥ 16 years old. * Has a metastatic or locally advanced and unresectable solid tumor. * Has at least 1 measurable lesion or evaluable disease per RECIST v1.1. * Has an ECOG performance status ≤ 2 at screening. * Has adequate organ function as defined in the protocol. Exclusion Criteria: * Has received prior radiotherapy within 2 weeks of treatment. * Has known active CNS metastases and/or carcinomatous meningitis. Participants with previously treated brain metastases may participate, provided they are radiologically stable * Has received treatment with any local or systemic anticancer therapy or investigational anticancer agent within 14 days or 5 half-lives, whichever is shorter. * Had major surgery within 28 days before study therapy administration * Has toxicities from previous anticancer therapies that have not resolved to baseline levels, with the exception of alopecia and peripheral neuropathy. * Has previously received a RBM39 inhibitor/degrader.
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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
6 sites. 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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Dana Farber Cancer Institute
RECRUITINGBoston, Massachusetts, 02215, United States
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Hoag Memorial Hospital
RECRUITINGNewport Beach, California, 92263, United States
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Mass General Brigham Cancer Institute
RECRUITINGBoston, Massachusetts, 02114, United States
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Memorial Sloan Kettering Cancer Center
RECRUITINGNew York, New York, 10065, United States
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The City of Hope National Medical Center
RECRUITINGDuarte, California, 91010, United States
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The University of Texas MD Anderson Cancer Center
RECRUITINGHouston, Texas, 77030, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can two immunotherapy drugs make liver tumors more vulnerable to surgery?
- Custom-Built immune cells take aim at a notorious cancer mutation
- Experimental injection SHR-7787 put to the test against advanced solid tumors
- Saline barrier lets heat target liver tumors near the diaphragm
- Alpha radiation targets tumors in new cancer trial
- Can a new drug shrink advanced solid tumors?