Current Patterns of Treatment and Outcomes in Advanced Melanoma at a Single Institution.
The Journal of surgical research(2023)
Abstract
INTRODUCTION:Treatment of advanced melanoma has been transformed by novel systemic therapies. The purpose of this study is to describe the current utilization patterns of immunotherapies with respect to survival outcomes in advanced melanoma.
METHODS:We performed a retrospective cohort study of patients with Stage 3 and 4 melanoma at our institution (2009-2019). Primary outcomes included overall survival (OS) and progression free survival (PFS). Kaplan-Meier survival analysis and Cox proportional hazards regression analysis evaluated associations between covariates and survival outcomes.
RESULTS:Of 244 patients, 5-y OS was 62.4%. Lymphovascular invasion (hazard ratio [HR] = 2.462, P = 0.030) was associated with shorter PFS whereas female gender (HR = 0.324, P = 0.010) was associated with longer PFS. Residual tumor (HR = 146, P = 0.006) and Stage 4 disease (HR = 3.349, P = 0.011) were associated with shorter OS. Use of immunotherapy increased from 2% to 23% over the study period, and use of neoadjuvant immunotherapy also increased up to 2016. Timing of immunotherapy administration was not significantly associated with survival. Of the 193 patients who received 2 or more treatment types, the most common treatment sequence was surgery followed by immunotherapy (n = 117, 60.6%).
CONCLUSIONS:Immunotherapy is increasingly used for treatment of advanced melanoma. In this heterogeneous cohort, there was no significant association between timing of immunotherapy and survival outcomes.
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Key words
advanced melanoma,treatment
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