Clinical trial Recruiting at 201 sites Phase 3 Interventional Ages 18 and up

Comparing two treatments for advanced melanoma

Official title: A Phase 3 Randomized, Controlled Study of IMC-F106C Plus Nivolumab Versus Nivolumab Regimens in HLA-A*02:01-Positive Participants With Previously Untreated Advanced Melanoma (PRISM-MEL-301

Run by Immunocore Ltd · NCT06112314 · Data updated 2026-11-12

This study is testing if a new combination treatment for advanced melanoma can work better than the standard treatment for patients who have not received treatment before.

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment680 (estimated)
SponsorImmunocore Ltd
Industry-sponsored
Drugs / interventionsnivolumab, relatlimab
Locations211 sites (Tucson, Arizona and 210 other locations)
StatusRecruiting
StartedJune 5, 2024
Main results expectedOctober 16, 2027
Study endsOctober 16, 2027
Registry record updatedFebruary 25, 2026
Trial IDNCT06112314 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are HLA-A*02:01-positive individuals with histologically confirmed Stage IV or unresectable Stage III melanoma.

Probably not a fit

Patients with untreated, active central nervous system metastases or those with a history of other malignant diseases may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This phase 3, randomized, controlled trial evaluates the effectiveness of brenetafusp (IMC-F106C) combined with nivolumab against standard nivolumab regimens in patients with previously untreated advanced melanoma who are HLA-A*02:01-positive. The study aims to determine if the combination therapy can provide better outcomes than the standard treatment. Participants must have measurable disease and meet specific eligibility criteria, including having a confirmed diagnosis of Stage IV or unresectable Stage III melanoma.

Why it matters

Potential benefit: If successful, this study could offer a more effective treatment option for patients with advanced melanoma.

How similar studies have gone: Other studies have shown promise with similar immunotherapy approaches, suggesting potential for success in this trial.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Participants must be HLA-A\*02:01-positive
* Participants must have histologically confirmed Stage IV or unresectable Stage III melanoma
* Archived or fresh tumor tissue sample that must be confirmed as adequate
* Participants must have measurable disease per RECIST 1.1
* Participant must have BRAF V600 mutation status determined
* Participants must have an Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1
* Male and female participants of childbearing potential who are sexually active with a non-sterilized partner must agree to use highly effective methods of birth control from the study screening date until 5 months after the final dose of study intervention

Exclusion Criteria:

* Participants with a history of a malignant disease other than those being treated in this study
* Participants with untreated, active, or symptomatic central nervous system (CNS) metastases or carcinomatous meningitis
* Hypersensitivity to IMC-F106C, nivolumab, relatlimab, or any associated excipients
* Participants with clinically significant pulmonary disease or impaired lung function
* Participants with clinically significant cardiac disease or impaired cardiac function
* Participants with active autoimmune disease requiring immunosuppressive treatment
* Participants with any medical condition that is poorly controlled or that would, in the Investigator's or Sponsor's judgment, adversely impact the participant's participation in the clinical study due to safety concerns, compliance with clinical study procedures, or interpretation of study results
* Participants who received prior systemic anticancer therapy for unresectable or metastatic melanoma
* Participants with a history of a life-threatening AE related to prior anti-PD-(L)1 or anti-LAG-3

Where it's running

  • University of Arizona
    Tucson, Arizona, United States
    Recruiting
  • University of California - San Diego
    La Jolla, California, United States
    Recruiting
  • The Angeles Clinic and Research Institute- West Los Angeles
    Los Angeles, California, United States
    Recruiting
  • ESC Norris Comprehensive Cancer Center
    Los Angeles, California, United States
    Recruiting
  • UCLA Hematology/Oncology
    Los Angeles, California, United States
    Recruiting
  • Saint John's Health Center - John Wayne Cancer Institute (JWCI)
    Santa Monica, California, United States
    Recruiting
Show 44 more locations
  • University of Colorado, Anschutz Medical Campus
    Aurora, Colorado, United States
    Recruiting
  • The Melanoma & Skin Cancer Institute
    Denver, Colorado, United States
    Recruiting
  • Georgetown University
    Washington D.C., District of Columbia, United States
    Recruiting
  • Mayo Clinic Florida
    Jacksonville, Florida, United States
    Recruiting
  • University of Miami Health System-Sylvester Comprehensive Cancer Center-Miami
    Miami, Florida, United States
    Recruiting
  • Northwestern University - Robert H. Lurie Comprehensive Cancer Center - NMDTI
    Chicago, Illinois, United States
    Recruiting
  • The University of Kansas Cancer Center (KUCC) - Westwood
    Westwood, Kansas, United States
    Recruiting
  • St. Elizabeth Healthcare - Edgewood
    Edgewood, Kentucky, United States
    Recruiting
  • Massachusetts General Hospital
    Boston, Massachusetts, United States
    Recruiting
  • Dana Farber Cancer Institute
    Boston, Massachusetts, United States
    Recruiting
  • Henry Ford Cancer Center - Michigan
    Detroit, Michigan, United States
    Recruiting
  • Allina Health Cancer Institute - Minneapolis
    Minneapolis, Minnesota, United States
    Recruiting
  • John Theurer Cancer Center at Hackensack University Medical Center
    Hackensack, New Jersey, United States
    Recruiting
  • Northwell Health Cancer Institute
    Lake Success, New York, United States
    Recruiting
  • The Ohio State University
    Columbus, Ohio, United States
    Recruiting
  • Thomas Jefferson University
    Philadelphia, Pennsylvania, United States
    Recruiting
  • UPMC Hillman Cancer Center
    Pittsburgh, Pennsylvania, United States
    Recruiting
  • Prisma Health Cancer Institute
    Greenville, South Carolina, United States
    Recruiting
  • Spartanburg Regional Healthcare System - Spartanburg Medical Center (SMC)
    Spartanburg, South Carolina, United States
    Recruiting
  • The University of Tennessee - Knoxville (UTK)
    Knoxville, Tennessee, United States
    Recruiting
  • Sarah Cannon Research Institute: USA/TN
    Nashville, Tennessee, United States
    Recruiting
  • Tennessee Oncology, PLLC
    Nashville, Tennessee, United States
    Recruiting
  • University of Texas Southwestern
    Dallas, Texas, United States
    Recruiting
  • University of Utah Huntsman Cancer Institute
    Salt Lake City, Utah, United States
    Recruiting
  • UVA Health-UVA Emily Couric Clinical Cancer Center
    Charlottesville, Virginia, United States
    Recruiting
  • Virginia Commonwealth University (VCU) - Massey Cancer Center
    Richmond, Virginia, United States
    Recruiting
  • Swedish Medical Center - Swedish Cancer Institute (SCI) - First Hill Campus
    Seattle, Washington, United States
    Recruiting
  • Sanatorio Finochietto
    Caba, Buenos Aires, Argentina
    Recruiting
  • Clínica Adventista Belgrano - Sector Investigación
    Caba, Buenos Aires, Argentina
    Recruiting
  • Hospital Italiano de Buenos Aires (HIBA)
    Buenos Aires, Argentina
    Recruiting
  • Instituto Alexander Fleming
    Caba, Argentina
    Recruiting
  • CEMAIC (Centro Privado de Especialidades Medicas Ambulatorias e Investigacion Clinica
    Córdoba, Argentina
    Recruiting
  • Clinica Viedma
    Viedma, Argentina
    Recruiting
  • Calvary Mater Newcastle Hospital
    Waratah, New South Wales, Australia
    Recruiting
  • Linear Clinical Research
    Nedlands, Western Australia, Australia
    Recruiting
  • One Clinical Research - Nedlands
    Nedlands, Western Australia, Australia
    Recruiting
  • Austin Hospital
    Heidelberg, Australia
    Recruiting
  • Peter MacCallum Cancer Centre
    North Melbourne, Australia
    Recruiting
  • University of Sydney - Melanoma Institute Australia (MIA) - The Poche Centre
    Wollstonecraft, Australia
    Recruiting
  • The University of Queensland (UQ) - Princess Alexandra Hospital (PAH)
    Woolloongabba, Australia
    Recruiting
  • LKH - Universitaetsklinikum Graz
    Graz, Austria
    Recruiting
  • Universitätsklinikum St. Pölten
    Pölten, Austria
    Recruiting
  • Paracelsus Medizinischen Privatuniversitaet - SALK - Universitaetsklinik fuer Dermatologie - EB-Haus Austria
    Salzburg, Austria
    Recruiting
  • AKH - Medizinische Universität Wien
    Vienna, Austria
    Recruiting

+161 more sites. See ClinicalTrials.gov for the full list.

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.