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- Title
Successful mobilization of PBSCs predicts favorable outcomes in multiple myeloma patients treated with novel agents and autologous transplantation.
- Authors
Brioli, A; Perrone, G; Patriarca, F; Pezzi, A; Nobile, F; Ballerini, F; Motta, M R; Ronconi, S; Tacchetti, P; Catalano, L; Zannetti, B A; Rizzi, S; Volpe, S; Zamagni, E; Liberati, A M; Mancuso, K; Boccadoro, M; Davies, F E; Morgan, G J; Palumbo, A
- Abstract
Incorporation of novel agents into auto-SCT for patients with multiple myeloma has led to improvement in their outcomes. However, the effects of new drugs, either single or combined, on PBSC mobilization have not been fully evaluated, particularly in phase 3 clinical studies. We analyzed the impact of two novel agent-based induction treatments in patients enrolled in the GIMEMA MMY-3006 study comparing bortezomib, thalidomide and dexamethasone (VTD) versus thalidomide and dexamethasone (TD) in preparation for double auto-SCT. Results showed that a short-term induction therapy with VTD did not adversely affect CD34+ cell yields as compared with TD (9.75 vs 10.76 × 106 CD34+ cells/kg, P=0.220). For poor mobilizers (<4 × 106 CD34+ cells/kg), 5-year rates of time to progression (TTP), progression-free survival (PFS) and overall survival (OS) were significantly shorter than for successful mobilizers (TTP:17 vs 48%, P<0.0001; PFS: 16 vs 46%, P<0.0001; OS: 50 vs 80%, P<0.0001). These differences were retained across patients randomized to the TD arm; conversely, no differences in outcomes were seen in patients treated with VTD, irrespective of the number of harvested CD34+ cells. The number of collected PBSCs predicted better outcomes after auto-SCT and VTD overcame the negative impact of a poor stem cell mobilization.
- Subjects
MYELOMA proteins; TRANSPLANTATION of organs, tissues, etc.; THALIDOMIDE; PROGRESSION-free survival; DRUG efficacy; THERAPEUTICS
- Publication
Bone Marrow Transplantation, 2015, Vol 50, Issue 5, p673
- ISSN
0268-3369
- Publication type
Article
- DOI
10.1038/bmt.2014.322