Association of Innovations in Radiotherapy and Systemic Treatments With Clinical Outcomes in Patients With Melanoma Brain Metastasis From 2007 to 2016

Key Points Question Are innovations in the treatment of melanoma brain metastasis associated with improvements in clinical outcomes at the population level? Findings In this cohort study of 1096 patients with melanoma brain metastasis between 2007 and 2016, the use of advanced radiotherapy techniques, targeted therapies, and immunotherapies increased over time. Treatment with whole-brain radiotherapy decreased and overall survival increased, and the association between the use of new techniques and therapies for the treatment of melanoma brain metastasis and improvements in clinical outcomes remained unchanged when the analyses were adjusted for patient, disease, and time factors. Meaning The study’s findings suggest that innovations in the treatment of melanoma brain metastasis are associated with improvements in outcomes among the group of patients with melanoma who have the worst prognosis based on population-wide routine practice.