A Study of Pembrolizumab Added to the Standard First-Line Therapy of Cyclophosphamide, Bortezomib, and Dexamethasone (CyBorD) for NDMM NTE

Patients not progressing after 2 cycles of CyBorD treatment and achieving less than VGPR by IMWG criteria will be screened to receive pembrolizumab intravenously at 200mg at day 1 of every 3-week cycle for 8 cycles (24 weeks) starting Cycle 4 of CyBorD. CyBorD will be discontinued after 24 weeks and pembrolizumab will be administered as a single agent at the same dose for an additional 27 cycles (81 weeks).