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Retrospective review of outcomes associated with metastatic melanoma patients treated with 1st-line BRAF-targeted therapy.

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Lucey, Rebecca 


BRAF-mutant melanoma patients can theoretically access both immunotherapy and BRAF-targeted therapy as treatment for metastatic disease. BRAF-targeted therapy is increasingly used 1st line for poorer prognostic patients, so we wanted to assess realistic expectations of these patients accessing 2nd-line immunotherapy. We conducted a retrospective review of clinical outcomes in 25 patients treated over the last 3 years with 1st-line BRAF-targeted therapy in a real-world clinical setting at a UK-based tertiary centre. Compared with the registration trials, our patients receiving 1st-line BRAF-targeted therapy had poorer performance status, higher disease burden, shorter median progression-free survival (5.05 months, 95% CI: 3.96-8.88) and shorter median overall survival (11.5 months, 95% CI: 6.24 - not reached). Overall response rate was similar, at 64%. On disease progression, median survival was 2.34 months (95% CI: 1.62 - not reached). Only five patients went on to receive 2nd-line immunotherapy. Metastatic melanoma patients treated with 1st-line BRAF-targeted therapy now have different demographics compared with those recruited to registration trials conducted over the last 10 years. In a modern-day, real-world setting, these patients should be counselled that only 1 in 5 are likely to receive 2nd-line immunotherapy and their survival times are expected to be short.



BRAF, dabrafenib, encorafenib, immunotherapy, melanoma, Humans, Proto-Oncogene Proteins B-raf, Retrospective Studies, Melanoma, Molecular Targeted Therapy, Immunotherapy, Neoplasms, Second Primary, Mutation, Skin Neoplasms, Antineoplastic Combined Chemotherapy Protocols

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Pigment Cell Melanoma Res

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