A Study With Combinations of Anti-LAG-3 and Anti-PD-1 Antibodies in Adult Participants With Advanced or Metastatic Melanoma (Harmony Head-to-Head)

A Phase 3 Study of Fixed Dose Combinations of Fianlimab and Cemiplimab Versus Relatlimab and Nivolumab in Participants With Unresectable or Metastatic Melanoma

Objective

This study is researching an experimental drug called fianlimab (also known as REGN3767), combined with another medication called cemiplimab (also known as REGN2810), called "study drugs". The study is focused on patients with a type of skin cancer known as melanoma. The aim of the study is to see how safe and effective the combination of fianlimab and cemiplimab is in treating melanoma, in comparison with the combination of two medications, relatlimab and nivolumab, commercialized under the brand name Opdualag™ and approved for the treatment of melanoma in adults and children.

Eligibility

  • Participants with histologically confirmed unresectable stage III and stage IV (metastatic) melanoma per American Joint Committee on Cancer (AJCC), eighth revised edition.
  • Participants must not have received prior systemic therapy for unresectable or metastatic melanoma as described in the protocol.
  • Measurable disease per RECIST version 1.1.
  • Eastern Cooperative Oncology Group (ECOG) performance status (PS) ≤1
  • Adequate bone marrow, hepatic, and kidney function
  • Known B-Rapidly Accelerated Fibrosarcoma protein (BRAF) V600 mutation status or submitted sample for BRAF V600 mutation assessment as described in the protocol

NCT ID

NCT06246916