#D-103 AAD 2024 - October 2025

Immunotherapy for Advanced Melanoma: 5-Year Survival Data

Dr. Elizabeth Moore, Dr. Thomas Wright, Dr. Lisa Anderson, Dr. Kevin Brown
Therapeutic Area: Dermatology
Company: Merck
Study Type: Observational Study

Key Findings

Five-year overall survival reached 52% with combination immunotherapy vs 34% with monotherapy. Durable responses observed.

Summary

Five-year overall survival reached 52% with combination immunotherapy vs 34% with monotherapy. Durable responses observed.

Study Design

Long-term follow-up of 1,200 patients with unresectable stage III or metastatic melanoma from pivotal trial.

Methods

Patients treated with PD-1 and CTLA-4 inhibitor combination or PD-1 monotherapy. Median follow-up 60 months.

Results

5-year OS: 52% combination vs 34% monotherapy. Complete response: 19% vs 9%. Grade 3-4 events: 59% vs 28%.

Conclusions

Combination immunotherapy provides sustained survival benefit in advanced melanoma despite higher toxicity rates.

Full Abstract

This study examined immunotherapy for advanced melanoma: 5-year survival data in a comprehensive clinical investigation.