Once-weekly carfilzomib, pomalidomide, and low-dose dexamethasone for relapsed/refractory myeloma: a phase I/II study

  • Sara Bringhen
  • , Roberto Mina
  • , Anna Maria Cafro
  • , Anna Marina Liberati
  • , Stefano Spada
  • , Angelo Belotti
  • , Gianluca Gaidano
  • , Francesca Patriarca
  • , Rossella Troia
  • , Renato Fanin
  • , Lorenzo De Paoli
  • , Giuseppe Rossi
  • , Alessandra Lombardo
  • , Paola Bertazzoni
  • , Antonio Palumbo
  • , Pieter Sonneveld
  • , Mario Boccadoro

Research output: Contribution to journalArticlepeer-review

Abstract

This multicentre, open-label phase 1/2 trial determined safety and efficacy of weekly carfilzomib plus cyclophosphamide-dexamethasone (wKCyd) in newly diagnosed multiple myeloma (NDMM) patients aged ⩾65 years or transplant ineligible. Patients received wKCyd for up to nine 28-day cycles, followed by maintenance with carfilzomib until progression/intolerance. The phase 1 portion used a 3+3 dose-escalation scheme to determine the maximum tolerated dose of weekly carfilzomib: 12 patients received wKCyd with carfilzomib doses of 45, 56 and 70 mg/m2. The recommended phase 2 dose was established at 70 mg/m2and 54 patients (phase 1 and 2) received weekly carfilzomib 70 mg/m2: 85% of them achieved ⩾partial response (PR), 66% ⩾very good PR, 30%⩾near-complete response (CR) and 15% CR. Responses improved in 40 patients who started maintenance: 98% achieved ⩾PR, including 29% CR and 10% stringent CR. After a median follow-up of 18 months, the 2-year progression-free survival and overall survival rates were 53.2% and 81%, respectively. The most frequent grade 3-5 toxicities were neutropenia (22%) and cardiopulmonary adverse events (9%). This is the first study of weekly carfilzomib plus an alkylating agent in elderly patients with NDMM. wKCyd was effective, with an acceptable risk/benefit ratio, and thus can be a valid option in this setting.Leukemia advance online publication, 22 December 2017; doi:10.1038/leu.2017.327.
Original languageEnglish
Pages (from-to)1803-1807
Number of pages5
JournalLeukemia
Volume32
Issue number8
DOIs
Publication statusPublished - 1 Aug 2018

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