On February 22, 2024 Immunocore Holdings plc (Nasdaq: IMCR) ("Immunocore" or the "Company"), a commercial-stage biotechnology company pioneering and delivering transformative immunomodulating medicines to radically improve outcomes for patients with cancer, infectious diseases and autoimmune diseases, reported that it has entered into a clinical trial collaboration and supply agreement with Bristol Myers Squibb (NYSE:BMY) to investigate Immunocore’s ImmTAC bispecific TCR (T cell receptor) candidate targeting PRAME HLA-A02, IMC-F106C, in combination with Bristol Myers Squibb’s nivolumab, in first-line advanced cutaneous melanoma (Press release, Immunocore, FEB 22, 2024, View Source [SID1234640388]).
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Under the terms of the collaboration, Immunocore will sponsor and fund the registrational Phase 3 clinical trial of IMC-F106C in combination with nivolumab in first-line advanced cutaneous melanoma (PRISM-MEL-301), and Bristol Myers Squibb will provide nivolumab.
The PRISM-MEL-301 trial will randomize HLA-A*02:01+ first-line advanced cutaneous melanoma patients to IMC-F106C + nivolumab versus a control arm of either nivolumab or the fixed-dose combination of nivolumab and relatlimab, depending on the country where the patient is enrolled. Immunocore plans to randomize the first patient in this trial in the first quarter of 2024.
About PRISM-MEL301 – Phase 3 trial with IMC-F106C (PRAME HLA-A02) in 1L advanced cutaneous melanoma
The Phase 3 registrational trial (NCT06112314) will randomize patients with previously untreated, HLA-A*02:01 positive, advanced melanoma to IMC-F106C + nivolumab versus nivolumab or the fixed-dose combination of nivolumab and relatlimab, depending on the country where the patient is enrolled. The trial will initially randomize to three arms: two IMC-F106C dose regimens (40 mcg and 160 mcg) and control arm and will discontinue one of the F106C dose regimens after an initial review of the first 60 patients randomized to the two experimental arms (90 patients randomized total). The primary endpoint of the trial is progression free survival (PFS) by blinded independent central review (BICR), with secondary endpoints of overall survival (OS) and overall response rate (ORR), as well as safety.