New immune therapy shows promise for Hard-to-Treat cancers
NCT ID NCT07293754
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-phase trial tests a new drug called RPTR-1-201 in 150 adults with advanced solid tumors that cannot be cured with standard treatments. The drug works by helping the body's immune cells attack cancer. The study aims to find the safest dose and see if the drug shrinks tumors, both alone and with another immunotherapy. Participants must have measurable tumors and be in good overall health.
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 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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About 150 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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Apr 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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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 * Histologically or cytologically confirmed locally advanced or metastatic solid tumors that is not amenable to curative treatment. * At least one measurable lesion per RECIST v1.1 as assessed by the investigator. * Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1. * Adequate organ function as defined in the trial protocol. * Ability to provide written informed consent and comply with trial procedures. Exclusion Criteria: * History of another malignancy within 3 years before the first dose of trial intervention, with the exception of malignancies considered cured and not expected to require active therapy (for example, certain skin cancers or in situ malignancies) per protocol. * Known active leptomeningeal disease or uncontrolled central nervous system metastases. * Active, clinically significant, autoimmune diseases requiring systemic immunosuppressive therapy. * Prior allogenic organ transplantation * Clinically significant uncontrolled medical or psychiatric condition, that in the opinion of the investigator, would increase risk or interfere with trial participation. * Other protocol-defined inclusion and exclusion criteria apply
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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
1 site. 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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START Midwest
RECRUITINGGrand Rapids, Michigan, 49546, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- First-in-Human trial asks whether HG381 is safe and tolerable in advanced solid tumors
- Custom-Built immune cells take aim at a notorious cancer mutation
- Experimental injection SHR-7787 put to the test against advanced solid tumors
- Experimental biologic AWT020 put to the test in Hard-to-Treat cancers
- Can a pill shrink Hard-to-Treat ovarian tumors?
- Oral drug RVU120 put to the test against advanced solid tumors