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Blood, 27 August 2009, Vol. 114, No. 9, pp. 1729-1735. Prepublished online as a Blood First Edition Paper on June 26, 2009; DOI 10.1182/blood-2009-04-205013.
PERSPECTIVE Mobilization in myeloma revisited: IMWG consensus perspectives on stem cell collection following initial therapy with thalidomide-, lenalidomide-, or bortezomib-containing regimens1 Division of Hematology, Mayo Clinic, Rochester, MN; 2 Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas M. D. Anderson Cancer Center, Houston; 3 Bone Marrow and Stem Cell Transplant Program, University of Pennsylvania Abramson Cancer Center, Philadelphia; 4 Department of Hematology, Institute de Biologie, Nantes, France; 5 Divisione di Ematologia dell Universita di Torino, Azienda Ospedaliera S. Giovanni Battista, Ospedale Molinette Torino, Italy; 6 Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA; 7 Department of Clinical Laboratories, Memorial Sloan-Kettering Cancer Center, New York, NY; 8 Division of Hematology/Oncology University of Pittsburgh UMPC Cancer Pavilion, PA, 9 Department of Medical Oncology, Division of Hematologic Malignancies, Dana-Farber Cancer Institute, Boston, MA; 10 Weill Cornell Medical College, New York, NY; 11 Department of Hematology, Servicio de Hepatología, Hospital Universitario de Salamanca, CIC, IBMCC (USAL-CSIC), Spain; 12 1st Medical Department, Center for Oncology and Hematology, Wilhelminenspital, Wien, Vienna, Austria; 13 Department of Hematology, Hospital Clinic, IDIBAPS, Barcelona, Spain; 14 Department of Hematology & Medical Oncology, Emory University, Atlanta, GA; 15 Institute of Hematology and Medical Oncology, University of Bologna, Bologna, Italy; 16 Erasmus MC, Department of Hematology, Rotterdam, The Netherlands; 17 Department of Hematology/Oncology, University of Berlin, Berlin, Germany; 18 David Vesole, Division of Hematology/Oncology, Loyola University, Chicago, IL; 19 Institute of Hematology and Medical Oncology Seragnoli, Bologna, Italy; 20 Department of Internal Medicine University of Wurzburg, Wurzburg, Germany; and 21 Aptium Oncology Inc, Cedars-Sinai Outpatient Cancer Center at the Samuel Oschin Comprehensive Cancer Institute, Los Angeles, CA The past decade has witnessed a paradigm shift in the initial treatment of multiple myeloma with the introduction of novel agents such as thalidomide, lenalidomide, and bortezomib, leading to improved outcomes. High-dose therapy and autologous stem cell transplantation remains an important therapeutic option for patients with multiple myeloma eligible for the procedure. Before the advent of the novel agents, patients underwent stem cell collection prior to significant alkylating agent exposure, given its potential deleterious effect on stem cell collection. With increasing use of the novel agents in the upfront setting, several reports have emerged raising concerns about their impact on the ability to collect stem cells. An expert panel of the International Myeloma Working Group (IMWG) was convened to examine the implications of these therapies on stem collection in patients with myeloma and to develop recommendations for addressing these issues. Here we summarize the currently available data and present our perspective on the problem and potential options to overcome this problem. Specifically, we recommend early mobilization of stem cells, preferably within the first 4 cycles of initial therapy, in patients treated with novel agents and encourage participation in clinical trials evaluating novel approaches to stem cell mobilization.
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| Copyright © 2009 by American Society of Hematology Online ISSN: 1528-0020 | |||||||||