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RecruitingLast updated: 16 August 2024

PRISM: This study will assess the safety and efficacy of combining immunotherapy treatments, compared with the standard the immunotherapy regimen in its own, in participants with untreated advanced melanoma.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)

Trial purpose

Medical clipboardCancer treatment

Tumor type

Skin Cancers Skin

Age

People18+

Trial acronym

PRISM

Clinical summary

Summary

This Phase 3 study will assess the the safety and efficacy of a new treatment (IMC-F106C) combined with Nivolumab, compared with standard treatment of Nivolumab on its own, in participants with HLA-A*02:01-positive untreated advanced melanoma.

Participants will be randomally allocated into one of three groups:

Experimental Arm A: Participants will receive a low dose of IMC-F106C via IV infusion once a week for the first 12 weeks, then every 2 weeks until Week 51, and then every 4 weeks until Week 101. Participants in this arm will also recieve Nivolumab via IV fusion every four weeks until Week 101.

Experimental Arm B: Participants will receive a high dose of IMC-F106C via IV fusion once a week for the first 12 weeks, then every 2 weeks until Week 51, and then every 4 weeks until Week 101. Participants will also recieve Nivolumab via IV infusion every four weeks is until Week 101.

Active Comparator Arm C: Participants receive Nivolumab on its own, or Nivolumab + Relatlimab, every four weeks via IV infusion until Week 101.

Conditions

This trial is treating people with advanced melanoma

Eligibility

Inclusion

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

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

Inclusion

  • Your cancer has spread to other parts of the body (metastatic) or has grown into nearby parts of the body (locally advanced).
  • Your cancer has not spread to other parts of the body (localised).
  • Your cancer has not spread to other parts of the body, but it is not possible to perform surgery to remove it (unresectable).
  • You have been diagnosed with cancer, but have not received any treatment.

Exclusion

  • You have been diagnosed with a prior or secondary type of cancer.
  • You have certain types of non-cancer medical conditions.
  • You have had certain treatments, surgical procedures or drugs.
Message

Clinical trials have complex eligibility criteria, and other criteria may apply for this trial. Ask your doctor about whether this trial could be right for you.

Participating hospitals

Recruiting hospitals

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More information

Trial Identifiers

Information on this page is partially produced from ClinicalTrials.gov *. View further details about this trial on the registry via the links below:

  • NCT06112314 *
  • IMC-F106C-301; 2023-505306-42-00; PRISM-MEL-301

Trial sponsor

Immunocore Ltd

Scientific 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)

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