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Three-year Overall Survival For Patients With Advanced Melanoma Treated With Pembrolizumab In KEYNOTE-001.
Published 2016 · Medicine
9503Background: The anti–PD-1 antibody pembro (pembro; MK-3475) prevents PD-1 from binding to its ligands, PD-L1 and PD-L2, and is approved for treating advanced melanoma at a dose of 2 mg/kg every 3 wk (Q3W). Pembro demonstrated superior PFS over chemotherapy for ipilimumab (ipi)-refractory melanoma (KEYNOTE-002) and superior OS and PFS over ipi for advanced melanoma (KEYNOTE-006). We present 3-year OS data for all patients (pts) with melanoma enrolled in the phase 1b KEYNOTE-001 study (NCT01295827). Methods: Pts were enrolled in ipi-naive and ipi-treated cohorts and received pembro 2 or 10 mg/kg Q3W or 10 mg/kg Q2W until intolerable toxicity, progression, or investigator decision. Clinically stable pts with radiographic progression could remain on pembro until progression was confirmed. Response was assessed by RECIST v1.1 every 12 wk. After pembro discontinuation, pts were contacted to assess survival every 3 mo. OS was estimated using the Kaplan-Meier method. Results: Of the 655 pts enrolled, 24% had ...