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Could a cheaper keytruda copy work just as well for melanoma?
NCT ID NCT06153238
First seen Jun 27, 2026 · Last updated Jul 08, 2026 · Updated 2 times
Summary
This study compares a new biosimilar drug (GME751) to the standard immunotherapy Keytruda in 322 adults with stage II or III melanoma that has been surgically removed. The goal is to see if the biosimilar stays in the body and works as well as Keytruda in preventing the cancer from coming back. Participants receive either drug as an infusion every few weeks, and researchers monitor drug levels, safety, and immune response.
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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322 people
The number who actually took part.
- Started
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May 2024
- Finished
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May 2026
- 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: * At least 18 years of age * Advanced Melanoma * Completely removed melanoma by surgery performed within 13 weeks of randomization * Adequate organ function * Subject has an Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1 Exclusion Criteria: * Known history or evidence of ocular or uveal melanoma * Known history of hypersensitivity (grade ≥3) to pembrolizumab or its excipients * Known History of auto-immune disease * Received live vaccine ≤30 days before the first study treatment * Prior treatment with anti-PD-1 agents or agent against another stimulatory or co-inhibitory T cell receptor * Active autoimmune disease that has necessitated chronic systemic treatment within 2 years before the first study treatment Other protocol-defined inclusion/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.
Contacts and locations
Locations
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Sandoz Investigational Site
Orange, California, 92868, United States
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Sandoz Investigational Site
Clermont, Florida, 34711, United States
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Sandoz Investigational Site
Orange City, Florida, 32763, United States
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Sandoz Investigational Site
Banja Luka, Bosnia and Herzegovina
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Sandoz Investigational Site
Mostar, Bosnia and Herzegovina
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Sandoz Investigational Site
Sarajevo, Bosnia and Herzegovina
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Sandoz Investigational Site
Tuzla, Bosnia and Herzegovina
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Sandoz Investigational Site
Barretos, Brazil
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Sandoz Investigational Site
Belo Horizonte, Brazil
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Sandoz Investigational Site
Canoas, Brazil
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Sandoz Investigational Site
Caxias do Sul, Brazil
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Sandoz Investigational Site
Curitiba, Brazil
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Sandoz Investigational Site
Florianópolis, Brazil
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Sandoz Investigational Site
Fortaleza, Brazil
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Sandoz Investigational Site
Itajaí, Brazil
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Sandoz Investigational Site
Porto Alegre, Brazil
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Sandoz Investigational Site
Porto Velho, Brazil
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Sandoz Investigational Site
Salvador, Brazil
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Sandoz Investigational Site
São José do Rio Preto, Brazil
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Sandoz Investigational Site
Besançon, France
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Sandoz Investigational Site
Nantes, France
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Sandoz Investigational Site
Batumi, Georgia
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Sandoz Investigational Site
Tbilisi, Georgia
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Sandoz Investigational Site
Mainz, Germany
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Sandoz Investigational Site
Münster, Germany
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Sandoz Investigational Site
Tübingen, Germany
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Sandoz Investigational Site
Catanzaro, Italy
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Sandoz Investigational Site
Rozzano, Italy
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Sandoz Investigational Site
Klaipėda, Lithuania
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Sandoz Investigational Site
Vilnius, Lithuania
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Sandoz Investigational Site
George Town, Malaysia
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Sandoz Investigational Site
Johor Bahru, Malaysia
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Sandoz Investigational Site
Kuala Lumpur, Malaysia
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Sandoz Investigational Site
Kuching, Malaysia
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Sandoz Investigational Site
Malacca, Malaysia
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Sandoz Investigational Site
Putrajaya, Malaysia
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Sandoz Investigational Site
Mexico City, Mexico
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Sandoz Investigational Site
Oaxaca City, Mexico
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Sandoz Investigational Site
San Luis Potosí City, Mexico
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Sandoz Investigational Site
Veracruz, Mexico
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Sandoz Investigational Site
Chisinau, Moldova
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Sandoz Investigational Site
Skopje, North Macedonia
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Sandoz Investigational Site
Bacolod, Philippines
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Sandoz Investigational Site
Bucharest, Romania
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Sandoz Investigational Site
Cluj-Napoca, Romania
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Sandoz Investigational Site
Belgrade, Serbia
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Sandoz Investigational Site
Kamenitz, Serbia
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Sandoz Investigational Site
Niš, Serbia
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Sandoz Investigational Site
Johannesburg, South Africa
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Sandoz Investigational Site
Phoenix, South Africa
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Sandoz Investigational Site
Badalona, Spain
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Sandoz Investigational Site
Barcelona, Spain
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Sandoz Investigational Site
Cáceres, Spain
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Sandoz Investigational Site
Madrid, Spain
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Sandoz Investigational Site
Murcia, Spain
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Sandoz Investigational Site
Santiago de Compostela, Spain
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Sandoz Investigational Site
Seville, Spain
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Sandoz Investigational Site
Valencia, Spain
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Sandoz Investigational Site
Zaragoza, Spain
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Sandoz Investigational Site
Ankara, Turkey (Türkiye)
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Sandoz Investigational Site
Yüreğir, Turkey (Türkiye)
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can a PET scan find the best tumor site for harvesting Cancer-Fighting cells?
- Blood test could spot Melanoma's BRAF mutation
- Can a DNA vaccine teach the immune system to hunt melanoma?
- Can a CXCR1/2 blocker boost radiation against cancer that spreads to the brain lining?
- Can a new antibody help the immune system fight Hard-to-Treat tumors?