Relatlimab and Nivolumab versus Nivolumab in Untreated Advanced Melanoma

🤖 Plain-English Summary

BACKGROUND: Lymphocyte-activation gene 3 (LAG-3) and programmed death 1 (PD-1) are distinct inhibitory immune checkpoints that contribute to T-cell exhaustion. Relatlimab and nivolumab in combination showed no new safety signals.

🔑 Key Findings

• The combination of relatlimab, a LAG-3-blocking antibody, and nivolumab, a PD-1-blocking antibody, has been shown to be safe and to have antitumor activity in patients with previously treated melanoma, but the safety and activity in patients with previously untreated melanoma need investigation.
• METHODS: In this phase 2-3, global, double-blind, randomized trial, we evaluated relatlimab and nivolumab as a fixed-dose combination as compared with nivolumab alone when administered intravenously every 4 weeks to patients with previously untreated metastatic or unresectable melanoma.
• The primary end point was progression-free survival as assessed by blinded independent central review.

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