DCEP (dexamethasone, cyclophosphamide, etoposide, and cisplatin) is an effective regimen for peripheral blood stem cell collection in multiple myeloma

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Abstract
DCEP (dexamethasone, cyclophosphamide, etoposide, and cisplatin) has proved to be an effective salvage therapy for refractory-relapsed MM patients. Little is known, however, about its potential as mobilizing therapy. The aim of this study was to evaluate the efficacy of DCEP in mobilizing PBSC and to define its toxicity. Fifty-five MM patients received DCEP followed by G-CSF as part of high-dose programs including autologous transplantation. At the time of mobilization, 40 patients had previously received VAD only, and 15 alkylating agents. Mobilization was successful (minimum number of CD34+ cells 2 × 106/kg) in 48/55 patients (87%), and 41/55 patients (75%) collected >4 × 106/kg CD34+ cells. Of the seven patients who did not mobilize stem cells, five (71%) had been previously exposed to alkylating agents. The median number of CD34+ cells harvested was 5.8 × 106/kg (range 2.1–22.4). There was no treatment-related mortality. The side-effects of DCEP were always tolerable. No neutropenia Bone Marrow Transplantation (2001) 28, 835–839.