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Carfilzomib, bendamustine, and dexamethasone in patients with advanced multiple myeloma: The EMN09 phase 1/2 study of the European Myeloma Network
Author(s) -
Gay Francesca,
Günther Andreas,
Offidani Massimo,
Engelhardt Monika,
Salvini Marco,
Montefusco Vittorio,
Patriarca Francesca,
Aquino Sara,
Pönisch Wolfram,
Spada Stefano,
Schub Natalie,
Gentili Silvia,
Wäsch Ralph,
Corradini Paolo,
Straka Christian,
Palumbo Antonio,
Einsele Hermann,
Boccadoro Mario,
Sonneveld Pieter,
Gramatzki Martin
Publication year - 2021
Publication title -
cancer
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.052
H-Index - 304
eISSN - 1097-0142
pISSN - 0008-543X
DOI - 10.1002/cncr.33647
Subject(s) - carfilzomib , medicine , bendamustine , neutropenia , multiple myeloma , dexamethasone , oncology , gastroenterology , chemotherapy , bortezomib , leukemia , chronic lymphocytic leukemia
Background Combined therapy with carfilzomib, bendamustine, and dexamethasone was evaluated in this multicenter phase 1/2 trial conducted within the European Myeloma Network (EMN09 trial). Methods Sixty‐three patients with relapsed/refractory multiple myeloma who had received ≥2 lines of prior therapy were included. The phase 1 portion of the study determined the maximum tolerated dose of carfilzomib with bendamustine set at 70 mg/m 2 on days 1 and 8. After 8 cycles, responding patients received maintenance therapy with carfilzomib and dexamethasone until progression. Results On the basis of the phase 1 results, the recommended phase 2 dose for carfilzomib was 27 mg/m 2 twice weekly in weeks 1, 2, and 3. Fifty‐two percent of patients achieved a partial response or better, and 32% reached a very good partial response or better. The clinical benefit rate was 93%. After a median follow‐up of 21.9 months, the median progression‐free survival was 11.6 months, and the median overall survival was 30.4 months. The reported grade ≥3 hematologic adverse events (AEs) were lymphopenia (29%), neutropenia (25%), and thrombocytopenia (22%). The main nonhematologic grade ≥3 AEs were pneumonia, thromboembolic events (10%), cardiac AEs (8%), and hypertension (2%). Conclusions In heavily pretreated patients who have relapsed/refractory multiple myeloma, combined carfilzomib, bendamustine, and dexamethasone is an effective treatment option administered in the outpatient setting. Infection prophylaxis and attention to patients with cardiovascular predisposition are required.