• Brigitte Dréno, Paolo A Ascierto, Victoria Atkinson, Gabriella Liszkay, Michele Maio, Mario Mandalà, Lev Demidov, Daniil Stroyakovskiy, Luc Thomas, Luis de la Cruz-Merino, Caroline Dutriaux, Claus Garbe, Karen Bartley, Thomas Karagiannis, Ilsung Chang, Isabelle Rooney, Daniel O Koralek, James Larkin, Grant A McArthur, and Antoni Ribas.
• Department of Dermato Cancerology, Nantes University, Nantes 44093, France.
• Br. J. Cancer. 2018 Mar 20; 118 (6): 777-784.

BackgroundIn the coBRIM study, cobimetinib plus vemurafenib (C+V) significantly improved survival outcomes vs placebo and vemurafenib (P+V) in patients with advanced/metastatic BRAFV600-mutated melanoma. An analysis of health-related quality of life (HRQOL) from coBRIM is reported.MethodsPatients completing the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (QLQ-C30) at baseline and ⩾1 time point thereafter constituted the analysis population. Change from baseline ⩾10 points was considered clinically meaningful.ResultsMean baseline scores for all QLQ-C30 domains were similar between arms. Most on-treatment scores for QLQ-C30 domains were also comparable between arms. A transient deterioration in role function in cycle 1 day 15 (C1D15; -14.7 points) in the P+V arm and improvement in insomnia in the C+V arm at C2D15 (-12.4 points) was observed. Among patients who experienced a ⩾10-point change from baseline (responders), between-group differences were greatest for insomnia (16%), social functioning (10%), fatigue (9%) and pain (7%), all favouring C+V. Diarrhoea, photosensitivity reaction, pyrexia, and rash did not meaningfully affect global health status (GHS). Serous retinopathy was associated with a transient decrease in GHS at C1D15 assessment.ConclusionsIn patients with advanced/metastatic BRAFV600-mutated melanoma, treatment with C+V maintained HRQOL compared with P+V, with superior efficacy.

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