Replacement of bortezomib with carfilzomib for multiple myeloma patients progressing from bortezomib combination therapy

Published by W Butcher on

In this open-label, intra-patient phase I/II trial, bortezomib was replaced with carfilzomib (escalated from 20 to 45 mg/m(2) on days 1, 2, 8, 9, 15 and 16 of a 28-day cycle) for multiple myeloma (MM) patients who progressed while on or within 12 weeks of receiving a bortezomib-containing combination regimen. Study objectives included determination of the maximum tolerated dose (MTD), overall response rate (ORR), clinical benefit rate (CBR), time to progression, time to response, duration of response, progression-free survival and overall survival (OS). Of 38 registered patients, 37 were treated and evaluable for efficacy and safety. Thirty-one carfilzomib-based regimens using 14 different drug combinations were tested.

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