Triple therapy shows promise in shrinking sarcomas before surgery
NCT ID NCT06128863
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether combining an immunotherapy drug (pembrolizumab) with another immune-boosting protein (eftilagimod alpha) and radiation therapy can shrink soft tissue sarcomas before surgery. About 40 adults with high-risk, non-spread sarcomas will receive this combination, then have their tumor removed to see how much of it has been destroyed. The goal is to improve outcomes, but ongoing monitoring and potential long-term treatment may still be needed.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2023
- Expected to finish
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Apr 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
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.
Inclusion Criteria: * Primary or locally recurrent deep-seated extremities, girdles and/or superficial trunk (thoracic or abdominal wall) soft tissue sarcoma * Grade 2 or 3 tumors according to Fédération Nationale des Centres de Lutte contre le Cancer (FNCLCC); * Size of the primary tumor \>5 cm at instrumental staging (CT, MRI), or locally recurrent of any size; * Measurable disease based on RECIST 1.1; * Non-metastatic disease; Exclusion Criteria: * Ewing sarcoma, Alveolar and embryonal rhabdomyosarcoma * Previous treatment with eftilagimod alfa, anti-PD-1 or anti-PD-L1; * Prior radiotherapy to tumor-involved sites;
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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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Maria Sklodowska-Curie National Research Institute of Oncology
Warsaw, 00-738, Poland
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Other studies related to the condition(s) this trial covers.
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