Sean E. Harper, MD
Higher-dose, once-weekly carfilzomib (Kyprolis) demonstrated superior efficacy for patients with relapsed/refractory multiple myeloma compared with a lower-dose, twice-weekly regimen, according to phase III results from the ARROW trial.
Slightly more patients in the carfilzomib group experienced grade 3 or higher AEs (81% vs 71%). Frequent (≥5%) grade ≥3 AEs that occurred more often in the carfilzomib group included anemia (16% vs 10% in the bortezomib arm), hypertension (15% vs 3%), dyspnea (6% vs 2%), and decreased lymphocyte count (6% vs 2%). Rates of pneumonia (9%) and thrombocytopenia (9%) were equal in both groups.
Dimopoulos MA, Goldschmidt H, Niesvizky R, et al. Carfilzomib or bortezomib in relapsed or refractory multiple myeloma (ENDEAVOR): an interim overall survival analysis of an open-label, randomised, phase 3 trial [published online August 23, 2017]. Lancet Oncol. doi: 10.1016/ S1470-2045(17)30578-8.
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