Experimental combo therapy for advanced cancer shows early promise but trial cut short
NCT ID NCT05491317
First seen Jun 27, 2026 · Last updated Aug 13, 2026 · Updated 3 times
Summary
This early-stage trial tested a new drug (GEN1042) combined with radiation, with or without another immunotherapy (pembrolizumab), in people with metastatic solid tumors that had no standard treatment options. The goal was to see if the combination was safe and could shrink tumors, including those not directly treated with radiation. Only 13 people took part before the study was stopped early.
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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13 people
The number who actually took part.
- Started
-
Mar 2023
- Finished
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Aug 2025
- 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.
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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.
Key Inclusion Criteria: * Participants with histologically confirmed non-central nervous system (CNS) solid tumor that is metastatic and for whom there is no available standard therapy. * At least 18 years of age. * Signed informed consent prior to any screening procedures. * Measurable disease according to RECIST v1.1. * Life expectancy of \>3 months. * Qualify for palliative radiotherapy as an available option for disease management. * Eastern Cooperative Oncology Group (ECOG) 0-1. * Normal or adequate liver, renal, cardiac and bone marrow function. Key Exclusion Criteria: * Prior malignancy except for non-melanoma skin cancers and in situ cancers. * Condition contraindicating radiotherapy. * Rapidly progressing disease. * Active, known or suspected autoimmune disease. * History of non-infectious pneumonitis that required steroids or currently has pneumonitis. * Contraindications to the use of pembrolizumab. * Condition requiring systemic treatment with either corticosteroids or other immunosuppressive medications within 14 days of first treatment. * Received an allogeneic tissue/solid organ transplant. * Active infection requiring systemic therapy. Note: Other protocol defined inclusion and exclusion criteria may 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.
Contacts and locations
Locations
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Centre Leon Berard
Lyon, 69008, France
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Institut Gustave Roussy
Villejuif, 94805, France
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Other studies related to the condition(s) this trial covers.
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