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Elshoury A, Maguire O, Conway A, Tario J, Soh KT, Ross M, Hahn T, Becker J, Wallace P, McCarthy PL, Minderman H, Chen GL. Short-Term Storage of Mobilized Peripheral Blood Stem Cells in a Closed System Changes the Microenvironment and May Affect the Quantity of CD34 + and CD34 +CD38 -CD45RA -CD90 + Cells. Transplant Cell Ther 2023; 29:112.e1-112.e9. [PMID: 36436782 DOI: 10.1016/j.jtct.2022.11.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 11/16/2022] [Accepted: 11/18/2022] [Indexed: 11/27/2022]
Abstract
Hypoxic conditions preserve the multipotency and self-renewing capacity of murine bone marrow and human cord blood stem cells. Blood samples stored in sealed blood gas tubes become hypoxic as leukocytes metabolize and consume oxygen. Taken together, these observations suggest that peripheral blood stem cell (PBSC) samples stored under airtight conditions become hypoxic, and that the stem cells contained may undergo qualitative or quantitative changes. This study aimed to determine the effect of storage for 8 hours in a sealed system on PBSC samples. Granulocyte colony-stimulating factor-mobilized PBSC samples were collected prospectively from 9 patients with myeloma or amyloidosis prior to apheresis, followed by measurement of CO2, O2, hydrogen ion (pH), lactate, and glucose concentrations in the blood and immunophenotyping of stem cell and multipotent progenitor cell populations before and after 8 hours of storage in sealed blood collection tubes. Blood concentrations of O2 and glucose and pH measurements were significantly decreased, whereas concentrations of CO2 and lactate were significantly increased after storage. Significantly higher concentrations of CD34+ cells (552 ± 84 cells/106 total nucleated cells [TNCs] versus 985 ± 143 cells/106 TNCs; P = .03), CD34+CD38- cells (98 ± 32 cells/106 TNCs versus 158 ± 52 cells/106 TNCs; P = .03), CD34+CD38+ cells (444 ± 92 cells/106 TNCs versus 789 ± 153 cells/106 TNCs; P = .03), and CD34+CD38-CD45RA-CD90+ cells (55 ± 17 cells/106 TNCs versus 89 ± 25 cells/106 TNCs; P = .02) were detected after 8 hours of storage. The changes in concentrations of CD34+CD38+ cells and CD34+ cells were inversely associated with the change in glucose concentration (P = .003 and P < .001, respectively) and positively associated with the change in lactate concentration (P = .01 and P <.001, respectively) after 8 hours of airtight storage. Storage of PBSC samples in a sealed, airtight environment is associated with microenvironmental changes consistent with hypoxia and increased concentrations of immunophenotypically defined stem cells. These results may have clinical implications with regard to the collection and processing of stem cell products and warrant confirmation with functional and mechanistic studies.
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Affiliation(s)
- Amro Elshoury
- Western New York BloodCare (formerly Hemophilia Center of WNY) and Division of Hematology and Oncology, Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York
| | - Orla Maguire
- Flow and Image Cytometry Shared Resource, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Alexis Conway
- Flow and Image Cytometry Shared Resource, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Joseph Tario
- Flow and Image Cytometry Shared Resource, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Kah Teong Soh
- Flow and Image Cytometry Shared Resource, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Maureen Ross
- Transplant & Cellular Therapy Program, Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Theresa Hahn
- Department of Cancer Prevention & Control, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Joanne Becker
- Blood Bank & Therapeutic Apheresis Unit, Division of Laboratory Medicine, Department of Pathology, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Paul Wallace
- Flow and Image Cytometry Shared Resource, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Philip L McCarthy
- Transplant & Cellular Therapy Program, Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Hans Minderman
- Flow and Image Cytometry Shared Resource, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - George L Chen
- Transplant & Cellular Therapy Program, Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, New York.
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Takakuwa T, Okayama Y, Nakamae H, Kuno M, Makuuchi Y, Harada N, Okamura H, Nishimoto M, Nakashima Y, Koh H, Hino M. Polatuzumab vedotin combined with rituximab-bendamustine immediately before stem cell mobilization in relapsed diffuse large B-cell lymphoma. Ann Hematol 2022; 101:1609-1610. [PMID: 35218398 DOI: 10.1007/s00277-022-04803-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 02/16/2022] [Indexed: 11/01/2022]
Affiliation(s)
- Teruhito Takakuwa
- Department of Hematology, Graduate School of Medicine, Osaka City University, 1-4-3 Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan.
| | - Yusuke Okayama
- Department of Hematology, Graduate School of Medicine, Osaka City University, 1-4-3 Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan
| | - Hirohisa Nakamae
- Department of Hematology, Graduate School of Medicine, Osaka City University, 1-4-3 Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan
| | - Masatomo Kuno
- Department of Hematology, Graduate School of Medicine, Osaka City University, 1-4-3 Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan
| | - Yosuke Makuuchi
- Department of Hematology, Graduate School of Medicine, Osaka City University, 1-4-3 Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan
| | - Naonori Harada
- Department of Hematology, Graduate School of Medicine, Osaka City University, 1-4-3 Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan
| | - Hiroshi Okamura
- Department of Hematology, Graduate School of Medicine, Osaka City University, 1-4-3 Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan
| | - Mitsutaka Nishimoto
- Department of Hematology, Graduate School of Medicine, Osaka City University, 1-4-3 Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan
| | - Yasuhiro Nakashima
- Department of Hematology, Graduate School of Medicine, Osaka City University, 1-4-3 Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan
| | - Hideo Koh
- Department of Hematology, Graduate School of Medicine, Osaka City University, 1-4-3 Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan
| | - Masayuki Hino
- Department of Hematology, Graduate School of Medicine, Osaka City University, 1-4-3 Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan
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Development of a quantitative prediction model for peripheral blood stem cell collection yield in the plerixafor era. Cytotherapy 2021; 24:49-58. [PMID: 34654641 DOI: 10.1016/j.jcyt.2021.09.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 08/31/2021] [Accepted: 09/05/2021] [Indexed: 11/24/2022]
Abstract
BACKGROUND AIMS Predicting autologous peripheral blood stem cell (PBSC) collection yield before leukapheresis is important for optimizing PBSC mobilization and autologous stem cell transplantation (ASCT) for treating hematological malignancies. Although guidelines for plerixafor usage based on peripheral blood CD34+ (PB-CD34+) cell count are available, their predictive performance in the real world remains unclear. METHODS This study retrospectively analyzed 55 mobilization procedures for patients with non-Hodgkin lymphoma or multiple myeloma and developed a novel quantitative prediction model for CD34+ cell collection yield that incorporated four clinical parameters available the day before leukapheresis; namely, PB-CD34+ cell count the day before apheresis (day -1 PB-CD34+), number of prior chemotherapy regimens, disease status at apheresis and mobilization protocol. RESULTS The effects of PB-CD34+ cell counts on CD34+ cell collection yield varied widely per patient characteristics, and plerixafor usage was recommended in patients with poorly controlled disease or those with a history of heavy pre-treatments even with abundant day -1 PB-CD34+ cell count. This model suggested a more proactive use of plerixafor than that recommended by the guidelines for patients with poor pre-collection condition or those with a higher target number of CD34+ cells. Further, the authors analyzed the clinical outcomes of ASCT and found that plerixafor use for stem cell mobilization did not affect short- or long-term outcomes after ASCT. CONCLUSIONS Although external validations are necessary, the results can be beneficial for establishing more effective and safer mobilization strategies.
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Batgi H, Başcı S, Dal MS, Kızıl Çakar M, Uncu Ulu B, Yiğenoğlu TN, Özcan N, Kılınç A, Merdin A, Yıldız J, Bakırtaş M, Şahin D, Darçın T, İskender D, Baysal NA, Altuntaş F. Gemcitabine, dexamethasone and cisplatin (GDP) is an effective and well-tolerated mobilization regimen for relapsed and refractory lymphoma: a single center experience. Turk J Med Sci 2021; 51:685-692. [PMID: 33237657 PMCID: PMC8203130 DOI: 10.3906/sag-2008-114] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 11/21/2020] [Indexed: 11/03/2022] Open
Abstract
Background/aim Gemcitabine, dexamethasone and cisplatin (GDP) is a well-established salvage regimen for relapsed and refractory lymphomas. In this study, we aimed to share our experience with the patients who received GDP/R-GDP (rituximab-gemcitabine, dexamethasone and cisplatin) for stem cell mobilization. Materials and methods Data of 69 relapsed and refractory Hodgkin lymphoma (HL) and Non-Hodgkin lymphoma (NHL) patients who received GDP/R-GDP as salvage chemotherapy in our center between July 2014 and January 2020 were retrospectively evaluated. After the evaluation of response, 52 patients had a chemosensitive disease and underwent mobilization with GDP/R-GDP plus G–CSF (granulocyte colony-stimulating factor). Collected CD34+ stem cells and related parameters were compared in terms of diagnosis of HL and NHL, early and late stage, patients who did not receive RT and those who received RT, and patients aged under 60 and over 60. Results On the 15th day on average (range 11–20), a median number of 8.7 × 106 /kg (4.1–41.5) CD34+ stem cells were collected in 51 (98%) of our 52 chemosensitive patients and 1 (2%) patients failed to mobilize. We observed acceptable hematological and nonhematological toxicity. The targeted amount of 2 × 106 /kg CD34+ stem cells was attained by 98% (n: 51) patients, and all of them underwent autologous stem cell transplantation. Moreover, low toxicity profiles provide outpatient utilization option clinics with close follow-up and adequate supportive care. Conclusion We suggest that GDP/R-GDP plus G-CSF can be used as an effective chemotherapy regimen for mobilizing CD34+ stem cells from peripheral blood in relapsed and refractory lymphoma patients due to low toxicity, effective tumor reduction, and successful stem cell mobilization. It can also be assumed that the GDP mobilization regimen may be more effective, especially in patients with early-stage disease and in HL patients.
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Affiliation(s)
- Hikmettullah Batgi
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Semih Başcı
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Mehmet Sinan Dal
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Merih Kızıl Çakar
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Bahar Uncu Ulu
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Tuğçe Nur Yiğenoğlu
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Nurgül Özcan
- Department of Clinical Biochemistry, Ankara Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Ali Kılınç
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Alparslan Merdin
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Jale Yıldız
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Mehmet Bakırtaş
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Derya Şahin
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Tahir Darçın
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Dicle İskender
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Nuran Ahü Baysal
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Fevzi Altuntaş
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
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Understanding of the crosstalk between normal residual hematopoietic stem cells and the leukemic niche in acute myeloid leukemia. Exp Hematol 2021; 95:23-30. [PMID: 33497761 DOI: 10.1016/j.exphem.2021.01.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 12/29/2020] [Accepted: 01/21/2021] [Indexed: 12/16/2022]
Abstract
Acute myeloid leukemia (AML) is a heterogeneous disease, yet clinically most patients present with pancytopenia resulting from bone marrow failure, predisposing them to life-threatening infections and bleeding. The mechanisms by which AML mediates hematopoietic suppression is not well known. Indeed, much effort has so far been focused on how AML remodels the bone marrow niche to make it a more permissive environment, with less focus on how the remodeled niche affects normal hematopoietic cells. In this perspective, we present evidence of the key role of the bone marrow niche in suppressing hematopoietic stem cells (HSCs) during leukemic progression and provide perspectives on how future research on this topic may be exploited to provide treatments for one of the key complications of AML.
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Gao X, Zhang D, Xu C, Li H, Caron KM, Frenette PS. Nociceptive nerves regulate haematopoietic stem cell mobilization. Nature 2021; 589:591-596. [PMID: 33361809 PMCID: PMC7856173 DOI: 10.1038/s41586-020-03057-y] [Citation(s) in RCA: 97] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 11/19/2020] [Indexed: 11/17/2022]
Abstract
Haematopoietic stem cells (HSCs) reside in specialized microenvironments in the bone marrow-often referred to as 'niches'-that represent complex regulatory milieux influenced by multiple cellular constituents, including nerves1,2. Although sympathetic nerves are known to regulate the HSC niche3-6, the contribution of nociceptive neurons in the bone marrow remains unclear. Here we show that nociceptive nerves are required for enforced HSC mobilization and that they collaborate with sympathetic nerves to maintain HSCs in the bone marrow. Nociceptor neurons drive granulocyte colony-stimulating factor (G-CSF)-induced HSC mobilization via the secretion of calcitonin gene-related peptide (CGRP). Unlike sympathetic nerves, which regulate HSCs indirectly via the niche3,4,6, CGRP acts directly on HSCs via receptor activity modifying protein 1 (RAMP1) and the calcitonin receptor-like receptor (CALCRL) to promote egress by activating the Gαs/adenylyl cyclase/cAMP pathway. The ingestion of food containing capsaicin-a natural component of chili peppers that can trigger the activation of nociceptive neurons-significantly enhanced HSC mobilization in mice. Targeting the nociceptive nervous system could therefore represent a strategy to improve the yield of HSCs for stem cell-based therapeutic agents.
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Affiliation(s)
- Xin Gao
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, New York, USA.,Department of Cell Biology, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Dachuan Zhang
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, New York, USA.,Department of Cell Biology, Albert Einstein College of Medicine, Bronx, New York, USA.,These authors contributed equally
| | - Chunliang Xu
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, New York, USA.,Department of Cell Biology, Albert Einstein College of Medicine, Bronx, New York, USA.,These authors contributed equally
| | - Huihui Li
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, New York, USA.,Department of Cell Biology, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Kathleen M. Caron
- Department of Cell Biology and Physiology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Paul S. Frenette
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, New York, USA.,Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, USA.,Department of Cell Biology, Albert Einstein College of Medicine, Bronx, New York, USA
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Innamarato P, Pilon-Thomas S. Reactive myelopoiesis and the onset of myeloid-mediated immune suppression: Implications for adoptive cell therapy. Cell Immunol 2020; 361:104277. [PMID: 33476931 DOI: 10.1016/j.cellimm.2020.104277] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 12/17/2020] [Accepted: 12/19/2020] [Indexed: 02/06/2023]
Abstract
Adoptive T cell therapy (ACT) in combination with lymphodepleting chemotherapy is an effective strategy to induce the eradication of cancer, providing long-term regressions in patients. However, only a minority of patients that receive ACT with tumor-specific T cells exhibit durable benefit. Thus, there is an urgent need to characterize mechanisms of resistance and define strategies to alleviate immunosuppression in the context of ACT in cancer. This article reviews the importance of lymphodepleting regimens in promoting the optimal engraftment and expansion of T cells in hosts after adoptive transfer. In addition, we discuss the role of concomitant immunosuppression and the accumulation of myeloid derived suppressor cells (MDSCs) during immune recovery after lymphodepleting regimens and mobilization regimens.
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Affiliation(s)
- Patrick Innamarato
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Shari Pilon-Thomas
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA.
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Zucenka A, Peceliunas V, Maciutaite E, Chaleckaite J, Jakimaviciute R, Griskevicius L. Etoposide + Granulocyte Colony-Stimulating Factor and Optional Plerixafor in Patients Who Failed Chemomobilization with or without Plerixafor. Biol Blood Marrow Transplant 2019; 25:1304-1311. [PMID: 30871977 DOI: 10.1016/j.bbmt.2019.02.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Accepted: 02/28/2019] [Indexed: 11/24/2022]
Abstract
We conducted a retrospective study of 62 patients undergoing etoposide (2 g/m2) + granulocyte colony-stimulating factor (G-CSF; 10 patients also received additional plerixafor) as a salvage stem cell mobilization regimen after previous unsuccessful chemomobilization with or without plerixafor. The median peak CD34+ values after etoposide + G-CSF ± plerixafor was 54.07 CD34+/μL compared with 9.6 CD34+/μL after previous mobilization attempts (P < .001). The median yield was 6.33 × 106 CD34+ cells/kg per 2 apheresis. Etoposide + G-CSF ± plerixafor mobilization regimen resulted in 91.53% successful mobilizations and 89.83% of patients proceeding to autologous stem cell transplantation. All 7 patients who had previously failed plerixafor-based mobilization attempts were successfully mobilized with etoposide + G-CSF ± plerixafor and proceeded to autologous stem cell transplantation. The most common grades 3 to 4 adverse events of etoposide + G-CSF ± plerixafor were febrile neutropenia (69.35%), mucositis (51.62%), and bacteremia (20.97%). No fatal outcomes were observed. Rates of 12-month overall survival and progression-free survival were 88.71% and 70.97%, respectively. Etoposide + G-CSF ± plerixafor is an effective regimen for salvage stem cell mobilization also in patients who failed plerixafor, with most patients undergoing autologous stem cell transplantation. The adverse event rate may warrant a decrease in the dose of etoposide.
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Affiliation(s)
- Andrius Zucenka
- Hematology, Oncology and Transfusion Medicine Center, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
| | - Valdas Peceliunas
- Hematology, Oncology and Transfusion Medicine Center, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania; Institute of Clinical Medicine, Vilnius University, Vilnius, Lithuania
| | - Emile Maciutaite
- Hematology, Oncology and Transfusion Medicine Center, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
| | | | | | - Laimonas Griskevicius
- Hematology, Oncology and Transfusion Medicine Center, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania; Institute of Clinical Medicine, Vilnius University, Vilnius, Lithuania
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Jeon SY, Yhim HY, Kim HS, Kim JA, Yang DH, Kwak JY. The effect of the dexamethasone, cytarabine, and cisplatin (DHAP) regimen on stem cell mobilization and transplant outcomes of patients with non-Hodgkin's lymphoma who are candidates for up-front autologous stem cell transplantation. Korean J Intern Med 2018; 33:1169-1181. [PMID: 29295612 PMCID: PMC6234385 DOI: 10.3904/kjim.2016.163] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2016] [Accepted: 02/04/2017] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND/AIMS Data on dexamethasone, cytarabine, and cisplatin (DHAP) as a mobilization regimen, compared to high-dose cyclophosphamide (HDC), for up-front autologous stem cell transplantation (ASCT) in non-Hodgkin's lymphoma (NHL) is limited. METHODS Consecutive patients with aggressive NHL treated with cyclophosphamide, doxorubicin, vincristine, and prednisone (CHOP) or rituximab-CHOP who underwent chemomobilization using HDC or DHAP plus granulocyte-colony stimulating factor (G-CSF) for up-front ASCT were enrolled from three institutions between 2004 and 2014. RESULTS Ninety-six patients (57 men) were included. Sixty-five patients (67.7%) received HDC; and 31 (32.3%), DHAP. The total CD34+ cells mobilized were significantly higher in patients receiving DHAP (16.1 vs. 6.1 × 106/kg, p = 0.001). More patients achieved successful mobilization with DHAP (CD34+ cells ≥ 5.0 × 106/kg) compared to HDC (87.1% vs. 61.5%, respectively; p = 0.011), particularly within the first two sessions of apheresis (64.5% vs. 32.3%, respectively; p = 0.003). Mobilization failure rate (CD34+ cells < 2.0 × 106/kg) was significantly higher in patients receiving HDC (20.0% vs. 3.2%, p = 0.032). On multivariate analysis, the DHAP regimen (odds ratio, 4.12; 95% confidence interval, 1.12 to 15.17) was an independent predictor of successful mobilization. During chemomobilization, patients receiving HDC experienced more episodes of febrile neutropenia compared to patients receiving DHAP (32.3% vs. 12.9%, p = 0.043). CONCLUSION The DHAP regimen was associated with a significantly higher efficacy for stem cell mobilization and lower frequency of febrile neutropenia. Therefore, DHAP plus G-CSF is an effective for mobilization in patients with aggressive NHL who were candidates for up-front ASCT.
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Affiliation(s)
- So Yeon Jeon
- Department of Internal Medicine, Chonbuk National University Medical School, Jeonju, Korea
- Research Institute of Clinical Medicine of Chonbuk National University and Biomedical Research Institute of Chonbuk National University Hospital, Jeonju, Korea
| | - Ho-Young Yhim
- Department of Internal Medicine, Chonbuk National University Medical School, Jeonju, Korea
- Research Institute of Clinical Medicine of Chonbuk National University and Biomedical Research Institute of Chonbuk National University Hospital, Jeonju, Korea
| | - Hee Sun Kim
- Chonbuk National University College of Nursing, Jeonju, Korea
| | - Jeong-A Kim
- Division of Hematology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Deok-Hwan Yang
- Department of Hematology-Oncology, Chonnam National University Hwasun Hospital, Hwasun, Korea
| | - Jae-Yong Kwak
- Department of Internal Medicine, Chonbuk National University Medical School, Jeonju, Korea
- Research Institute of Clinical Medicine of Chonbuk National University and Biomedical Research Institute of Chonbuk National University Hospital, Jeonju, Korea
- Correspondence to Jae-Yong Kwak, M.D. Department of Internal Medicine, Chonbuk National University Medical School, 20 Geonji-ro, Deokjin-gu, Jeonju 54907, Korea Tel: +82-63-250-1791 Fax: +82-63-254-1609 E-mail:
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10
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Hyder MA, Goebel WS, Ervin KD, Schwartz JE, Robertson MJ, Thakrar TC, Albany C, Farag SS. Low CD34+ Cell Doses Are Associated with Increased Cost and Worse Outcome after Tandem Autologous Stem Cell Transplantation in Patients with Relapsed or Refractory Germ Cell Tumors. Biol Blood Marrow Transplant 2018; 24:1497-1504. [DOI: 10.1016/j.bbmt.2018.01.032] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Accepted: 01/22/2018] [Indexed: 11/26/2022]
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11
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Risk factors for poor mobilization in solid tumors: How effectively can we mobilize patients with solid tumors? Transfus Apher Sci 2017; 56:809-813. [PMID: 29162401 DOI: 10.1016/j.transci.2017.11.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND In the literature, risk factors for poor mobilization were tried to identify. However, most of the studies consisted heterogeneous group of patients including both hematologic and oncologic malignancies. In this study, we aimed to identify the risk factors for poor mobilization in adults with solid tumors. METHODS We enrolled 49(47 men, 2 women) adult patients with solid tumor who were mobilized between September 2007 and February 2017. All the mobilization procedures were performed with G-CSF(10μg/kg/day) with chemotherapy. Mobilization insufficiency was defined as peripheral blood CD34+stem cell number less than 10/μl and/or total collected CD34+cells less than 2.5×10 6/kg. RESULTS The patients were divided into two groups, patients with successful mobilization at the first attempt(group 1, 36 patients,73.5%) and poor mobilizers (group 2, 13 patients 26.5%). Second and third mobilization attempt was needed in 11 and 2 patients, respectively. The median number of CD34+cells collected was 7,08×106/kg(0,6-19) with a median 4(1-6) apheresis. There was no statistical difference between two groups in terms of patient's and mobilization characteristics. Only number of CD 34+stem cells collected was statistically different (median 9,07×106/kg CD34+cells in group 1 versus 2,14×106/kg in group 2, p<0.05). The only possible risk factor that we could define was presence of organ metastasis. CONCLUSIONS Since several methods and new drugs are available for peripheral stem cell collecting, risk factors should be identified clearly in adult population with solid tumors. So multicenter studies should be constructed for resolving this problem.
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Lopez JP, Shore TB. Bendamustine and stem-cell mobilization: not so bad! Leuk Lymphoma 2016; 57:993-4. [PMID: 26936530 DOI: 10.3109/10428194.2016.1153091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Jay Patrick Lopez
- a Division of Hematology and Oncology , NewYork-Presbyterian/Weill Cornell Medical College , NY , USA
| | - Tsiporah B Shore
- a Division of Hematology and Oncology , NewYork-Presbyterian/Weill Cornell Medical College , NY , USA
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13
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DHAP plus filgrastim as an effective peripheral stem cell mobilization regimen for autologous stem-cell transplantation in patients with relapsed/refractory lymphoma: A single center experience. Transfus Apher Sci 2016; 54:48-52. [PMID: 26809684 DOI: 10.1016/j.transci.2016.01.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
This study aimed to evaluate the efficiency of DHAP regimen plus filgrastim for mobilization of stem cells in patients with recurrent and/or refractory lymphoma. Thirty-four patients who took DHAP as salvage therapy prior to autologous stem cell transplantation were included. After chemotherapies, 2 cycles of DHAP plus filgrastim were administered to the patients. Stem cells from 32 patients (94%) were collected on median 11th day (8-12), and the median collected CD34(+) cell dose was 9.7 × 10(6)/kg (range 3.8-41.6). DHAP plus filgrastim was found to be an effective chemotherapy regimen in mobilizing CD34(+) stem cells into the peripheral.
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Kim JS, Yoon DH, Park S, Yoon SS, Cho SG, Min CK, Lee JJ, Yang DH, Kwak JY, Eom HS, Kim WS, Kim H, Do YR, Moon JH, Lee J, Suh C. Prognostic factors for re-mobilization using plerixafor and granulocyte colony-stimulating factor (G-CSF) in patients with malignant lymphoma or multiple myeloma previously failing mobilization with G-CSF with or without chemotherapy: the Korean multicenter retrospective study. Ann Hematol 2016; 95:603-11. [PMID: 26754633 DOI: 10.1007/s00277-016-2589-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Accepted: 12/30/2015] [Indexed: 12/22/2022]
Abstract
Plerixafor in combination with granulocyte colony-stimulating factor (G-CSF) has been shown to improve the rates of successful peripheral blood stem cell (PBSC) mobilization in patients with malignant lymphoma or multiple myeloma (MM) who experienced prior failure of PBSC mobilization. We evaluated the mobilization results of re-mobilization using plerixafor and G-CSF in insufficiently mobilizing patients. Forty-four patients with lymphoma (n = 29) or MM (n = 15) were included in the study. The median age was 50 (range, 24-64) years. Previous mobilization regimens were chemotherapy with G-CSF (n = 28), including cyclophosphamide with G-CSF (n = 15), and G-CSF only (n = 16). All patients with lymphoma achieved at least partial response (PR) before the mobilization, including 13 complete responses (CRs). Eleven patients with MM achieved at least PR and four patients with MM were in stable disease before mobilization. The median number of apheresis was 3 (range, 1-6). The median yield of PBSC collections was 3.41 (0.13-38.11) × 10(6) CD34(+) cells/kg. Thirty-four (77.3 %) patients had successful collections defined as at least 2 × 10(6) CD34(+) cells/kg. The rate of successful collections was not different between the two underlying diseases (79.3 % in lymphoma and 73.3 % in MM). Of the entire cohort, 38 (86.4 %) of patients went on to receive an autologous transplant. Previous long-term use of high-risk drugs (>4 cycles use of alkylating agents, platinum-containing agents, or thalidomide) (HR 10.8, 95 % CI 1.1-110.0, P = 0.043) and low platelet count (<100 × 10(9)/L) 1 day before the first apheresis (HR 27.9, 95 % CI 2.9-273.7, P = 0.004) were independent prognostic factors for predicting failure of PBSC re-mobilization using plerixafor and G-CSF. In conclusion, re-mobilization using plerixafor and G-CSF showed a success rate of 77.3 % in patients with lymphoma or MM who experienced prior failure of PBSC mobilization, and the majority of them underwent autologous transplant. Therefore, plerixafor-based re-mobilization was an effective method in poor mobilizers.
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Affiliation(s)
- Jin Seok Kim
- Division of Hematology, Department of Internal Medicine, Yonsei University College of Medicine, Severance Hospital, Seoul, Korea
| | - Dok Hyun Yoon
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro 43-gil, Songpa-gu, Seoul, 138-736, Korea
| | - Seonyang Park
- Seoul National University College of Medicine, Seoul, Korea
| | - Sung-Soo Yoon
- Seoul National University College of Medicine, Seoul, Korea
| | - Seok-Goo Cho
- Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Chang-Ki Min
- Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Je-Jung Lee
- Chonnam National University Hwasun Hospital, Hwasun, Korea
| | - Deok-Hwan Yang
- Chonnam National University Hwasun Hospital, Hwasun, Korea
| | - Jae-Yong Kwak
- Chonbuk National University Medical School, Jeonju, Korea
| | | | - Won Seog Kim
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hawk Kim
- Ulsan University Hospital, Ulsan, Korea
| | - Young Rok Do
- Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Korea
| | - Joon Ho Moon
- Kyungpook National University Hospital, Daegu, Korea
| | - Jihye Lee
- Medical Department Sanofi-Aventis Korea, Seoul, Korea
| | - Cheolwon Suh
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro 43-gil, Songpa-gu, Seoul, 138-736, Korea.
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Giebel S, Sadus-Wojciechowska M, Halaburda K, Drozd-Sokolowska J, Wierzbowska A, Najda J, Mendrek W, Sobczyk-Kruszelnicka M, Nowicki M, Holowiecki J, Czerw T. Increased efficacy of intermediate-dose cytarabine + G-CSF compared to DHAP + G-CSF for stem cell mobilization in patients with lymphoma: an analysis by the polish lymphoma research group. Ann Hematol 2015; 95:263-9. [PMID: 26611854 DOI: 10.1007/s00277-015-2557-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Accepted: 11/11/2015] [Indexed: 02/01/2023]
Abstract
Salvage regimens, like DHAP (dexamethasone, cytarabine, and cisplatin) are frequently used for stem cell mobilization in lymphoma. The aim of this study was to compare the efficacy of DHAP + G-CSF with intermediate-dose cytarabine (ID-AraC) + G-CSF, recently proposed as an alternative schedule. Consecutive patients with Hodgkin's or non-Hodgkin lymphoma who had received at least 2 lines of chemotherapy, mobilized with either DHAP (n = 51) or ID-AraC (n = 50) + G-CSF were included in the analysis. AraC was administered at the dose of 400 mg/m [1] bid intravenously for 2 days followed by filgrastim starting from day 5. In the AraC group, 96 % of patients collected at least 2 × 10 [2] CD34(+) cells/kg compared to 71 % in the DHAP group (p = 0.0006). The CD34(+) cell yield was 9.3 (0-30.3) × 10 [2]/kg vs. 5.6 (0-24.8) × 10 [2]/kg, respectively (p = 0.006). A single apheresis was sufficient to achieve the threshold number of CD34(+) cells in 82 % of the cases after AraC compared to 45 % after DHAP (p = 0.001). We conclude that stem cell mobilization using ID-AraC is associated with a significantly higher efficacy than DHAP, allowing for collection of the transplant material in almost all patients with lymphoma. Our observation suggests that ID-AraC + G-CSF may be a preferable mobilization regimen in this setting.
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Affiliation(s)
- Sebastian Giebel
- Department of Bone Marrow Transplantation and Onco-Hematology, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, Str. Wybrzeze Armii Krajowej 15, 44-101, Gliwice, Poland.
| | - Maria Sadus-Wojciechowska
- Department of Bone Marrow Transplantation and Onco-Hematology, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, Str. Wybrzeze Armii Krajowej 15, 44-101, Gliwice, Poland
| | - Kazimierz Halaburda
- Department of Hematopoietic Cell Transplantation, Institute of Hematology and Blood Transfusion, Str. Indiry Gandhi 14, 02-776, Warsaw, Poland
| | - Joanna Drozd-Sokolowska
- Department of Hematology, Oncology and Internal Diseases, Warsaw Medical University, Str. Banacha 1a, 02-097, Warsaw, Poland
| | - Agnieszka Wierzbowska
- Department of Hematology, Lodz Medical University, Str. Pabianicka 62, 93-513, Lodz, Poland
| | - Jacek Najda
- Department of Bone Marrow Transplantation and Onco-Hematology, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, Str. Wybrzeze Armii Krajowej 15, 44-101, Gliwice, Poland
| | - Wlodzimierz Mendrek
- Department of Bone Marrow Transplantation and Onco-Hematology, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, Str. Wybrzeze Armii Krajowej 15, 44-101, Gliwice, Poland
| | - Malgorzata Sobczyk-Kruszelnicka
- Department of Bone Marrow Transplantation and Onco-Hematology, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, Str. Wybrzeze Armii Krajowej 15, 44-101, Gliwice, Poland
| | - Mateusz Nowicki
- Department of Hematology, Lodz Medical University, Str. Pabianicka 62, 93-513, Lodz, Poland
| | - Jerzy Holowiecki
- Department of Bone Marrow Transplantation and Onco-Hematology, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, Str. Wybrzeze Armii Krajowej 15, 44-101, Gliwice, Poland
| | - Tomasz Czerw
- Department of Bone Marrow Transplantation and Onco-Hematology, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, Str. Wybrzeze Armii Krajowej 15, 44-101, Gliwice, Poland
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16
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Bozdag SC, Ilhan O. Peripheral blood stem cell mobilization and collection from elderly patients and elderly healthy donor. Transfus Apher Sci 2015; 53:8-12. [DOI: 10.1016/j.transci.2015.05.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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17
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Civriz Bozdag S, Tekgunduz E, Altuntas F. The current status in hematopoietic stem cell mobilization. J Clin Apher 2015; 30:273-80. [PMID: 25790158 DOI: 10.1002/jca.21374] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Accepted: 11/26/2014] [Indexed: 12/12/2022]
Abstract
Hemotopoietic stem cell mobilization with cytokines alone, has still been widely accepted as the initial attempt for stem cell mobilization. Chemotherapy based mobilization can be preferred as first choice in high risk patients or for remobilization. But mobilization failure still remains to be a problem in one third of patients. Salvage mobilization strategies have been composed to give one more chance to 'poor mobilizers'. Synergistic effect of a reversible inhibitor of CXCR4, plerixafor, with G-CSF has opened a new era for these patients. Preemptive approach in predicted poor mobilizers, immediate salvage approach for patients with suboptimal mobilization or remobilization approach of plerixafor in failed mobilizers have all been demonstrated convincing results in various studies. Alternative CXCR4 inhibitors, VLA4 inhibitors, bortezomib, parathormone have also been emerged as novel agents for mobilization failure.
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Affiliation(s)
| | - Emre Tekgunduz
- Hematology Department, Ankara Oncology Training Hospital, Ankara, Turkey
| | - Fevzi Altuntas
- Hematology Department, Ankara Oncology Training Hospital, Ankara, Turkey
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18
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Pegfilgrastim vs filgrastim in PBSC mobilization for autologous hematopoietic SCT: a systematic review and meta-analysis. Bone Marrow Transplant 2015; 50:523-30. [PMID: 25581410 DOI: 10.1038/bmt.2014.297] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 10/22/2014] [Accepted: 11/08/2014] [Indexed: 11/08/2022]
Abstract
Trial outcomes comparing cytokine agents for PBSC mobilization in autologous hematopoietic transplant patients have been controversial. We performed a systematic review and meta-analysis of evidence available on pegfilgrastim vs filgrastim in chemo-cytokine mobilization. Electronic literature searches of PubMed, EMBASE and CENTRAL identified nine articles eligible for qualitative analysis with one randomized controlled trial. Eight articles involving 719 patients were included in the meta-analysis. Results showed similar CD34+ cell collection yields for pegfilgrastim and filgrastim (SDM -0.08, 95% CI: -0.388 to 0.228). On comparison with filgrastim, pegfilgrastim showed a significantly earlier apheresis onset time (SDM: -0.512, 95% CI: -0.973 to -0.050) and reduction in required apheresis procedures (SDM -0.260, 95% CI: -0.466 to -0.054). Times to leukocyte (⩾1.0 × 10(9)/L) and platelet (⩾20 × 10(9)/L) recovery were similar between groups (SDM: 0.015, 95% CI: -0.41 to 0.44 and SDM: 0.309, 95% CI: -0.11 to 0.72, respectively). Both agents were well tolerated and mild bone pain was the most frequently reported adverse event. Pegfilgrastim may be a convenient alternative to filgrastim in PBSC mobilization for multiple myeloma and lymphoma patients, but further studies are required to clarify effects of cytokine dosage and previous cytotoxic exposure in specific subpopulations.
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19
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Xia W, Ma CKK, Reid C, Bai L, Wong K, Kerridge I, Ward C, Greenwood M. Factors determining pbsc mobilization efficiency and nonmobilization following ICE with or without rituximab (R-ICE) salvage therapy for refractory or relapsed lymphoma prior to autologous transplantation. J Clin Apher 2014; 29:322-30. [PMID: 24944079 DOI: 10.1002/jca.21340] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2013] [Accepted: 05/23/2014] [Indexed: 01/22/2023]
Abstract
ICE/R-ICE (ifosfamide, carboplatin, and etoposide without or with rituximab) chemotherapy followed by autologous stem cell transplantation is an established regimen in refractory/relapsed lymphoma. Few studies have addressed which factors are important in determining peripheral blood stem cell (PBSC) mobilization efficiency or nonmobilization following ICE/R-ICE. Between 2004 and 2013, 88 patients with refractory/relapsed lymphoma who received ICE/R-ICE salvage-chemotherapy prior to granulocyte colony stimulating factor (G-CSF) stimulated PBSC mobilization at a single center were identified. Mobilization efficiency was assessed by time from ICE/R-ICE to day of harvest, duration of G-CSF use, days to peripheral blood (PB) CD34(+) ≥15/µL, PB CD34(+) number on harvest day, CD34(+) yield and nonmobilization rate. Median PB CD34(+) at harvest were 54/μL (7-524); median days to first apheresis was 15 (11-30); median harvested total CD34(+) were 5.46 × 10(6) /kg (0.96-44.36); 71 patients (80.7%) successfully mobilized; 20 (22.7%) patients were poor mobilizers; 14 (15.9%) patients were considered nonmobilizers with maximal PB CD34(+) <7/µL and did not proceed to apheresis. Six of 20 poor mobilizers were apheresed with PB CD34(+) 7-12/µL, 50% were successfully harvested. No differences were found between ICE and R-ICE regimens. Impaired mobilization efficiency was associated with age, remission status, >1 line of induction chemotherapy, four cycles ICE/R-ICE and grade 4 neutropenia. Prior bone marrow (BM) involvement was associated with nonmobilization. The majority of patients can be successfully mobilized with ICE/R-ICE. Prior BM involvement is associated with high rates of nonmobilization following ICE/R-ICE. Such patients may benefit from novel mobilization agents and/or alternative salvage regimens to ICE/R-ICE.
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Affiliation(s)
- Wei Xia
- Department of Haematology and Transfusion Medicine, Royal North Shore Hospital, Sydney, Australia; Northern Blood Research Centre, Kolling Institute of Medical Research, University of Sydney, Sydney, Australia; Haematology Laboratory, PaLMs, Royal North Shore Hospital, Sydney, Australia
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20
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Hyun SY, Cheong JW, Kim SJ, Min YH, Yang DH, Ahn JS, Lee WS, Ryoo HM, Do YR, Lee HS, Lee JH, Oh SY, Suh C, Yhim HY, Kim JS. High-Dose Etoposide Plus Granulocyte Colony-Stimulating Factor as an Effective Chemomobilization Regimen for Autologous Stem Cell Transplantation in Patients with Non-Hodgkin Lymphoma Previously Treated with CHOP-based Chemotherapy: A Study from the Consortium for Improving Survival of Lymphoma. Biol Blood Marrow Transplant 2014; 20:73-9. [DOI: 10.1016/j.bbmt.2013.10.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2013] [Accepted: 10/11/2013] [Indexed: 10/26/2022]
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21
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Yuan S, Wang S, Salhotra A, Nademanee A. Plerixafor to the rescue: boosting peripheral blood stem cell mobilization in patients previously treated with hyperfractionated cyclophosphamide, vincristine, doxorubicin, dexamethasone/methotrexate, cytarabine (Hyper-CVAD) chemotherapy. Leuk Lymphoma 2013; 55:1557-62. [PMID: 24067136 DOI: 10.3109/10428194.2013.847937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Hyperfractionated cyclophosphamide, vincristine, doxorubicin, dexamethasone/methotrexate, cytarabine (Hyper-CVAD) chemotherapy exerts deleterious effects on peripheral blood stem cell (PBSC) mobilization. We retrospectively reviewed the use of plerixafor to salvage mobilization in 18 Hyper-CVAD treated patients who initially mobilized poorly with chemotherapy and granulocyte colony stimulating factor (G-CSF). After plerixafor administration the median peripheral blood (PB) CD34 + count rose from 3.74/μL (0-17/μL) to 6.85/μL (0-47.2/μL). The patients collected a median of 1.64 (0.21-5.56) × 10(6) CD34 + cells/kg with a median number of 3 (1-4) doses in the same collection cycle, and 11 patients reached the 2.0 × 10(6) CD34 + cells/kg minimum required for transplant. Six patients were remobilized later with G-CSF and plerixafor, and three additional patients reached this goal. For these 14 patients the median number of doses of plerixafor required to reach 2.0 × 10(6) CD34 + cells/kg was 3 (range 1-4). In conclusion, plerixafor can be utilized successfully in many cases to overcome the effects of Hyper-CVAD on PBSC mobilization.
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Affiliation(s)
- Shan Yuan
- Division of Transfusion Medicine, Department of Pathology and Laboratory Medicine
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23
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Donmez A, Yilmaz F, Gokmen N, Tombuloglu M. Risk factors for a poor hematopoietic stem cell mobilization. Transfus Apher Sci 2013; 49:485-8. [PMID: 23693121 DOI: 10.1016/j.transci.2013.04.040] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Revised: 03/11/2013] [Accepted: 04/19/2013] [Indexed: 11/16/2022]
Abstract
Poor mobilization is an important problem in autologous stem cell transplantation. We retrospectively reviewed the data of 165 mobilized patients to identify possible risk factors for a poor stem cell mobilization. 27 patients (16.4%) were categorized as poorly mobilized. The poor mobilization ratio differed according to diagnosis (lymphoma: 25.4%, acute leukemia: 15.4%, amyloidosis: 14.3%, and multiple myeloma: 9.6%). Being diagnosed as lymphoma (odds ratio [OR]=6.02, p=0.001), advanced age (OR=1.05, p=0.007) and increased weight (OR=1.03, p=0.03) were found as possible risk factors. Being diagnosed as lymphoma was shown to be the most important risk factor for a poor mobilization. Leukapheresis staff should be aware of the increased risk of a poor mobilization in lymphoma patients and remobilization methods should be considered from the beginning.
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Affiliation(s)
- Ayhan Donmez
- Ege University Medical School Hospital, Department of Hematology, 35100 Izmir, Turkey.
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24
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Giebel S, Kruzel T, Czerw T, Sadus-Wojciechowska M, Najda J, Chmielowska E, Grosicki S, Jurczyszyn A, Pasiarski M, Nowara E, Glowala-Kosinka M, Chwieduk A, Mitrus I, Smagur A, Holowiecki J. Intermediate-dose Ara-C plus G-CSF for stem cell mobilization in patients with lymphoid malignancies, including predicted poor mobilizers. Bone Marrow Transplant 2013; 48:915-21. [DOI: 10.1038/bmt.2012.269] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2012] [Revised: 11/06/2012] [Accepted: 11/28/2012] [Indexed: 11/09/2022]
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25
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Rodgerson DO, Reidenberg BE, Harris AG, Pecora AL. Potential for a pluripotent adult stem cell treatment for acute radiation sickness. World J Exp Med 2012; 2:37-44. [PMID: 24520532 PMCID: PMC3905584 DOI: 10.5493/wjem.v2.i3.37] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2012] [Revised: 06/07/2012] [Accepted: 06/15/2012] [Indexed: 02/06/2023] Open
Abstract
Accidental radiation exposure and the threat of deliberate radiation exposure have been in the news and are a public health concern. Experience with acute radiation sickness has been gathered from atomic blast survivors of Hiroshima and Nagasaki and from civilian nuclear accidents as well as experience gained during the development of radiation therapy for cancer. This paper reviews the medical treatment reports relevant to acute radiation sickness among the survivors of atomic weapons at Hiroshima and Nagasaki, among the victims of Chernobyl, and the two cases described so far from the Fukushima Dai-Ichi disaster. The data supporting the use of hematopoietic stem cell transplantation and the new efforts to expand stem cell populations ex vivo for infusion to treat bone marrow failure are reviewed. Hematopoietic stem cells derived from bone marrow or blood have a broad ability to repair and replace radiation induced damaged blood and immune cell production and may promote blood vessel formation and tissue repair. Additionally, a constituent of bone marrow-derived, adult pluripotent stem cells, very small embryonic like stem cells, are highly resistant to ionizing radiation and appear capable of regenerating radiation damaged tissue including skin, gut and lung.
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Affiliation(s)
- Denis O Rodgerson
- Denis O Rodgerson, Alan G Harris, Andrew L Pecora, NeoStem, Inc., New York, NY 10170, United States
| | - Bruce E Reidenberg
- Denis O Rodgerson, Alan G Harris, Andrew L Pecora, NeoStem, Inc., New York, NY 10170, United States
| | - Alan G Harris
- Denis O Rodgerson, Alan G Harris, Andrew L Pecora, NeoStem, Inc., New York, NY 10170, United States
| | - Andrew L Pecora
- Denis O Rodgerson, Alan G Harris, Andrew L Pecora, NeoStem, Inc., New York, NY 10170, United States
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26
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Vives S, Sancho JM, Almazán F, Juncà J, Grifols JR, Ribera JM. Plerixafor plus G-CSF in combination with chemotherapy for stem cell mobilization in a pediatric patient with Ewing's sarcoma. J Clin Apher 2012; 27:260-2. [PMID: 22566276 DOI: 10.1002/jca.21234] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2012] [Accepted: 03/31/2012] [Indexed: 12/30/2022]
Abstract
Some malignant tumors in childhood require high-dose chemotherapy with stem cell support to achieve a cure. In patients heavily pretreated with myelosuppressive chemotherapy or irradiation, granulocyte colony-stimulating factor (G-CSF) may fail to mobilize stem cells from the bone marrow. Based on the experience with lymphoma and myeloma patients in whom peripheral blood-derived stem cell (PBSC) collection following mobilization with G-CSF failed, we successfully employed plerixafor in a 14-year-old female diagnosed with Ewing's sarcoma in early relapse treated with three lines of chemotherapy in whom PBSC could not be mobilized using either G-CSF alone or G-CSF following chemotherapy. No side effects were observed. Plerixafor may be an effective and safe agent for stem cell collection in pediatric patients with solid tumors, although new studies addressed to evaluate its effectiveness and safety are needed.
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Affiliation(s)
- Susana Vives
- Clinical Hematology Department, ICO-Hospital Germans Trias i Pujol Badalona, Jose Carreras Leukemia Research Institute, Universitat Autonòma of Barcelona, Badalona, Spain.
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27
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Worel N, Apperley JF, Basak GW, Douglas KW, Gabriel IH, Geraldes C, Hübel K, Jaksic O, Koristek Z, Lanza F, Lemoli R, Mikala G, Selleslag D, Duarte RF, Mohty M. European data on stem cell mobilization with plerixafor in patients with nonhematologic diseases: an analysis of the European consortium of stem cell mobilization. Transfusion 2012; 52:2395-400. [PMID: 22414093 DOI: 10.1111/j.1537-2995.2012.03603.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
BACKGROUND Plerixafor with granulocyte-colony-stimulating factor (G-CSF) has been shown to enhance stem cell mobilization in patients with multiple myeloma and lymphoma with previous mobilization failure. In this European named patient program we report the experience in insufficiently mobilizing patients diagnosed with nonhematologic diseases. STUDY DESIGN AND METHODS Thirty-three patients with germ cell tumor (n=11), Ewing sarcoma (n=6), Wiscott-Aldrich disease (n=5), neuroblastoma (n=4), and other nonhematologic diseases (n=7) were included in the study. Plerixafor was limited to patients with previous or current stem cell mobilization failure and given after 4 days of G-CSF (n=21) or after chemotherapy and G-CSF (n=12) in patients who mobilized poorly. RESULTS Overall, 28 (85%) patients succeeded in collecting at least 2×10(6)/kg body weight (b.w.) CD34+ cells (median, 5.0×10(6)/kg b.w. CD34+ cells; range, 2.0×10(6)-29.5×10(6)/kg b.w. CD34+ cells), and five (15%) patients collected a median of 1.5×10(6)/kg b.w. CD34+ cells (range, 0.9×10(6)-1.8×10(6)/kg b.w. CD34+ cells). Nineteen patients proceeded to transplantation. The median dose of CD34+ cells infused was 3.3×10(6)/kg b.w. (range, 2.3×10(6)-6.7×10(6)/kg b.w. CD34+ cells). The median numbers of days to neutrophil and platelet engraftment were 11 (range, 9-12) and 15 (range, 10-25) days, respectively. CONCLUSION These data emphasize the role of plerixafor in combination with G-CSF or chemotherapy and G-CSF as an effective mobilization regimen with the potential of successful stem cell collection. Accordingly, plerixafor seems to be safe and effective in patients with nonhematologic diseases. Larger prospective studies are warranted to further assess its use in these patients.
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Affiliation(s)
- Nina Worel
- Department of Bloodgroup Serology and Transfusion Medicine, Medical University of Vienna, Viena, Austria.
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Han X, Ma L, Zhao L, He X, Liu P, Zhou S, Yang J, Qin Y, Yang S, Yao J, Shi Y. Predictive factors for inadequate stem cell mobilization in Chinese patients with NHL and HL: 14-year experience of a single-center study. J Clin Apher 2012; 27:64-74. [PMID: 22298390 DOI: 10.1002/jca.21204] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2011] [Accepted: 12/07/2011] [Indexed: 11/08/2022]
Abstract
BACKGROUND Factors affecting progenitor cell mobilization in patients with non-Hodgkin's lymphoma (NHL) and Hodgkin's lymphoma (HL) are incompletely understood. The aim of this retrospective study was to determine which factors are crucial for effective mobilization and collection of autologous peripheral blood stem cells (PBSC) prior to transplantation in Chinese patients. PATIENTS AND METHODS A total of 239 patients with lymphoma (198 NHL and 41 HL patients) underwent PBSC collection after mobilization with granulocyte-colony-stimulating factor (G-CSF) or G-CSF plus chemotherapy priming. RESULTS Patient characteristics at diagnosis and transplant, including low Eastern Cooperative Oncology Group score (P = 0.013), lack of extranodal invasion (P = 0.034), previously administered radiotherapy regimens (P = 0.040), treatment with platinum prior to mobilization (P = 0.042), previous chemotherapy regimens (P = 0.001) and cycles (P < 0.001), and chemotherapy regimens (P < 0.001) were statistically significant for successful mobilization in multivariate analysis. Premobilization factors, including previous radiotherapy (P = 0.009), previous chemotherapy regimens (P = 0.043) and cycles (P = 0.039), low platelet count prior to mobilization (P = 0.042), and lower CD34+ cells in peripheral blood (PB) (P = 0.050) or bone marrow (BM) (P = 0.007) were considered possibly predictive of poor mobilization. We found the patients who had chemosensitive lymphoma had worse progress-free survival (PFS) than the patients with initial treatment and high risks (P = 0.017). CONCLUSION Our analysis showed that high amounts of chemotherapy, radiotherapy, low platelet count, chemosensitive recurrent patients, combination chemotherapy plus G-CSF and low CD34+ cells in BM prior to mobilization could emerged as important predictive factors for mobilization failure in Chinese patients with NHL and HL.
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Affiliation(s)
- Xiaohong Han
- Department of Medical Oncology, Cancer Institute/Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
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29
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Sakashita AM, Kondo AT, Ribeiro AAF, Cipolletta ANF, Colesanti MV, Hamerschlak N, Kutner JM. Factors affecting autologous peripheral blood hematopoietic stem cell collections by large-volume leukapheresis: a single center experience. EINSTEIN-SAO PAULO 2011; 9:196-200. [PMID: 26760815 DOI: 10.1590/s1679-45082011ao1932] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE To evaluate factors affecting peripheral blood hematopoietic stem cell yield in patients undergoing large-volume leukapheresis for autologous peripheral blood stem cell collection. METHODS Data from 304 consecutive autologous peripheral blood stem cell donors mobilized with hematopoietic growth factor (usually G-CSF), associated or not with chemotherapy, at Hospital Israelita Albert Einstein between February 1999 and June 2010 were retrospectively analyzed. The objective was to obtain at least 2 × 106 CD34+ cells/kg of body weight. Pre-mobilization factors analyzed included patient's age, gender and diagnosis. Post mobilization parameters evaluated were pre-apheresis peripheral white blood cell count, immature circulating cell count, mononuclear cell count, peripheral blood CD34+ cell count, platelet count, and hemoglobin level. The effect of pre and post-mobilization factors on hematopoietic stem cell collection yield was investigated using logistic regression analysis (univariate and multivariate approaches). RESULTS Pre-mobilization factors correlating to poor CD34 + cell yield in univariate analysis were acute myeloid leukemia (p = 0.017) and other hematological diseases (p = 0.023). Significant post-mobilization factors included peripheral blood immature circulating cells (p = 0.001), granulocytes (p = 0.002), hemoglobin level (p = 0.016), and CD34+ cell concentration (p < 0.001) in the first harvesting day. However, according to multivariate analysis, peripheral blood CD34+ cell content (p < 0.001) was the only independent factor that significantly correlated to poor hematopoietic stem cell yield. CONCLUSION In this study, peripheral blood CD34+ cell concentration was the only factor significantly correlated to yield in patients submitted to for autologous collection.
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Affiliation(s)
| | | | | | | | | | | | - Jose Mauro Kutner
- Blood Bank, Hospital Israelita Albert Einstein - HIAE, São Paulo, SP, BR
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30
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Pelus LM, Farag SS. Increased mobilization and yield of stem cells using plerixafor in combination with granulocyte-colony stimulating factor for the treatment of non-Hodgkin's lymphoma and multiple myeloma. STEM CELLS AND CLONING-ADVANCES AND APPLICATIONS 2011; 4:11-22. [PMID: 24198526 PMCID: PMC3781755 DOI: 10.2147/sccaa.s6713] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Multiple myeloma and non-Hodgkin’s lymphoma remain the most common indications for high-dose chemotherapy and autologous peripheral blood stem cell rescue. While a CD34+ cell dose of 1 × 106/kg is considered the minimum required for engraftment, higher CD34+ doses correlate with improved outcome. Numerous studies, however, support targeting a minimum CD34+ cell dose of 2.0 × 106/kg, and an “optimal” dose of 4 to 6 × 106/kg for a single transplant. Unfortunately, up to 40% of patients fail to mobilize an optimal CD34+ cell dose using myeloid growth factors alone. Plerixafor is a novel reversible inhibitor of CXCR4 that significantly increases the mobilization and collection of higher numbers of hematopoietic progenitor cells. Two randomized multi-center clinical trials in patients with non-Hodgkin’s lymphoma and multiple myeloma have demonstrated that the addition of plerixafor to granulocyte-colony stimulating factor increases the mobilization and yield of CD34+ cells in fewer apheresis days, which results in durable engraftment. This review summarizes the pharmacology and evidence for the clinical efficacy of plerixafor in mobilizing hematopoietic stem and progenitor cells, and discusses potential ways to utilize plerixafor in a cost-effective manner in patients with these diseases.
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Affiliation(s)
- Louis M Pelus
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Indiana
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31
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Ozkurt ZN, Yegin ZA, Suyani E, Aki SZ, Acar K, Yagci M, Sucak GT. Factors affecting stem cell mobilization for autologous hematopoietic stem cell transplantation. J Clin Apher 2011; 25:280-6. [PMID: 20623783 DOI: 10.1002/jca.20246] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
High-dose chemotherapy with autologous stem cell transplantation (ASCT) is curative treatment in various hematologic malignancies. Mobilization and collection of peripheral blood stem cell is the essential part of ASCT. The aim of this study was to evaluate the effectiveness of various mobilization regimens, determine the risk factors associated with mobilization failure (MF). We also investigated whether iron overload, which has an adverse impact on various aspects of HSCT including overall survival had any impact on mobilization kinetics. A total of 118 consecutive patients were included in this study. The rate of MF was 11.8 % with the first mobilization regimen. Frequency of MF was higher in lymphoma (P < 0.001) patients and in those receiving G-CSF alone (P= 0.01). Peripheral CD34+ cell count (P < 0.001), bone marrow cellularity (P < 0.001), reticulin fibrosis (P < 0.05) were significantly lower whereas serum ferritin levels (P = 0.06) tended to be higher in patients with MF. CD34+ cell count of the first apheresis product was positively correlated with the white blood cell count (P < 0.05; r = 0.232), platelet count (P = 0.01; r = 0.233), peripheral CD34+ cell count (P < 0.001; r = 0.704) and the grade of bone marrow reticulin fibrosis (P < 0.001; r = 0.366). Serum ferritin levels were negatively correlated with maximum peripheral CD34+ cell count (P = 0.02; r = -0.216) and the CD34+ cell count in the first product (P = 0.05; r = -0.183). Platelet count (P = 0.03; β = 0.262), peripheral CD34+ cell count (P = 0.02; β=0.279) were the two variables which remained to be significant in multivariate analysis. Predicting the poor mobilizers with the platelet count for instance may reduce the risk of MF by using more effective regimens in advance.
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Affiliation(s)
- Zübeyde Nur Ozkurt
- Department of Hematology, Faculty of Medicine, Gazi University, Ankara, Turkey
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Jantunen E, Kvalheim G. Mobilization strategies in hard-to-mobilize patients with lymphoid malignancies. Eur J Haematol 2010; 85:463-71. [PMID: 20738393 DOI: 10.1111/j.1600-0609.2010.01520.x] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Depending on definitions and patient characteristics, 5-40% of patients with lymphoid malignancies are hard-to-mobilize. Several premobilization factors such as previous chemotherapy (CT), disease, marrow infiltration and platelet count at the time of mobilization influence the efficacy of CD34(+) cell mobilization. In general, however, prediction of hard-to-mobilize patient is difficult. Postmobilization factors especially low blood CD34(+) counts are important in clinical practice as we have now ways to enhance mobilization at this point. Plerixafor combined with granulocyte-colony stimulating factor (G-CSF) has significantly increased efficacy of remobilization in patients who have failed a previous mobilization attempt with a success rate of about 70%. Addition of plerixafor to G-CSF or more recently to a mobilization regimen consisting of CT + G-CSF is promising as blood CD34(+) counts can be increased three to fivefold to facilitate effective collection with less aphaeresis sessions. As plerixafor is expensive, development of practical algorithms for its use is important to make blood stem cell mobilization and collection more efficient in a cost-effective way. This review attempts to summarize current treatment strategies in hard-to-mobilize patients with lymphoid malignancies.
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Affiliation(s)
- Esa Jantunen
- University of Eastern Finland/Institute of Clinical Medicine, Kuopio, Finland.
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Abstract
New advances in effective mobilization of peripheral blood stem cells have permitted a greater proportion of patients to benefit from autologous stem cell transplantation. In this review, the relative merits of peripheral blood and mobilized bone marrow are discussed. All available agents are reviewed. A critical assessment of the appropriate dosing and frequency of available growth factors is undertaken, and the most commonly used chemotherapy plus growth factor combinations are covered. Specific recommendations for patients who are poor mobilizers are dealt with including the role of plerixafor.
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Affiliation(s)
- Morie A Gertz
- Department of Medicine, Mayo Clinic, Rochester, MN 55905, USA.
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34
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Kobold S, Isernhagen J, Hübel K, Kilic N, Bogner C, Frickhofen N, Bokemeyer C, Fiedler W. Plerixafor is effective and safe for stem cell mobilization in heavily pretreated germ cell tumor patients. Bone Marrow Transplant 2010; 46:1053-6. [PMID: 21102500 DOI: 10.1038/bmt.2010.264] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Up to 10% of germ cell tumor patients require salvage high-dose chemotherapy with stem cell support, achieving cure rates in the range of 10-60%. Stem cell mobilization may be difficult in these patients because of multiple lines of treatment known to seriously hamper stem cell recovery. Plerixafor significantly enhances the success of the CD34+ cell harvest, even in cases where prior mobilization attempts have failed. Six germ cell tumor patients provided informed consent and were included in the compassionate use program. All patients were heavily pretreated, with a median of 3.5 prior lines of therapy. All failed prior mobilization with G-CSF in combination with chemotherapy. Five patients yielded a median of 2.6 × 10(6) CD34+ cells per kg body weight in a median of 4 apheresis days when plerixafor was used. Three patients underwent subsequent high-dose chemotherapy with autologous stem cell support. Median time to leukocyte engraftment was 11 days. Median time to platelet engraftment was 12.5 days, both of which are comparable to previous historical data. Accordingly, plerixafor seems to be safe and effective in germ cell tumor patients who have failed prior mobilization therapy. Larger prospective studies are warranted to further assess its use in germ cell cancer.
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Affiliation(s)
- S Kobold
- 1] Department of Oncology, Hematology, Stem Cell Transplantation with the section Pneumology, Department of Internal Medicine II, University Cancer Center Hamburg (Hubertus Wald Tumorzentrum), University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
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35
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Romeo A, Chierichini A, Spagnoli A, Vittori M, Vacca M, Gozzer M, Spadea A, Anaclerico B, Dessanti ML, D'Andrea M, Toglia G, Annino L, Petti MC, Mengarelli A, Arcese W. Standard- versus high-dose lenograstim in adults with hematologic malignancies for peripheral blood progenitor cell mobilization. Transfusion 2010; 50:2432-46. [DOI: 10.1111/j.1537-2995.2010.02723.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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36
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Akhtar S, El Weshi A, Rahal M, Khafaga Y, Tbakhi A, Humaidan H, Maghfoor I. Factors affecting autologous peripheral blood stem cell collection in patients with relapsed or refractory diffuse large cell lymphoma and Hodgkin lymphoma: A single institution result of 168 patients. Leuk Lymphoma 2009; 49:769-78. [DOI: 10.1080/10428190701843213] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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37
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Mendrone A, Arrais CA, Saboya R, Chamone DDAF, Dulley FL. Factors affecting hematopoietic progenitor cell mobilization: An analysis of 307 patients. Transfus Apher Sci 2008; 39:187-92. [DOI: 10.1016/j.transci.2008.09.012] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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38
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Hill QA, Buxton D, Pearce R, Gesinde MO, Smith GM, Cook G. An analysis of the optimal timing of peripheral blood stem cell harvesting following priming with cyclophosphamide and G-CSF. Bone Marrow Transplant 2007; 40:925-30. [PMID: 17846599 DOI: 10.1038/sj.bmt.1705847] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Increasing demand on the apheresis service makes efficient harvesting of peripheral blood stem cells (PBSCs) essential. A total of 168 adult patients with haematological malignancy were primed using low-moderate dose cyclophosphamide (1.5-3 g/m(2)) with G-CSF 5-10 microg/kg per day. Harvesting was booked and peripheral blood (PB) counts first checked between 6 and 10 days post-priming. One hundred and thirty (77%) patients harvested successfully (total harvest yield > or =2 x 10(6) CD34(+)/kg) and the median PBSC collection per procedure was 2.18 x 10(6)/kg (range 0.1-14.5). Only more lines of prior chemotherapy predicted failure to harvest in multivariate analysis (P=0.003). The PB CD34(+) cell count correlated significantly with harvest yield (r=0.8448, P<0.0001). A PB CD34(+) count > or =10/microl predicted a collection of > or =2 x 10(6)/kg (positive-predictive value of 61%, negative-predictive-value 100%). Patients first attending day 9 required significantly fewer visits to achieve a successful harvest than those first attending days 6-8 without increasing the risk of failure. No significant difference in failure rates, number of days attending and total harvest yield was found between days 9 and 10 attendees. Collection from day 9 may however enable higher target yields to be achieved. PB CD34(+) count monitoring should commence and harvesting booked from day 9 to optimize both the harvest and the efficiency of the PBSC harvesting service.
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Affiliation(s)
- Q A Hill
- Department of Haematology, Leeds General Infirmary, Leeds, UK.
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39
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Egan K, Singh V, Gidron A, Mehta J. Correlation between serum lactate dehydrogenase and stem cell mobilization. Bone Marrow Transplant 2007; 40:931-4. [PMID: 17846596 DOI: 10.1038/sj.bmt.1705851] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
After observing a correlation between elevated serum lactate dehydrogenase (LDH) levels and good stem cell collections, retrospective data from 540 donors undergoing 650 stem cell apheresis procedures (87% autologous, 13% allogeneic) were studied to determine the correlation between preapheresis LDH levels and the absolute peripheral blood CD34+ cell count (PBCD34). PBCD34 (1-1611/mul; median 40) correlated modestly with leukocytes (0.5-118.2 x 10(9)/l; median 30.2) (r=0.16; P=0.00005) and poorly with platelets (16-660 x 10(9)/l; median 131) (r=0.02; P=0.69). The correlation between LDH (64-1664 IU/l; median 310) and PBCD34 was very strong (r=0.54; P<10(-48)). In multivariate regression analysis, serum LDH was the only factor correlating significantly with PBCD34. The correlation between serum LDH and PBCD34 was strong on the first day of collection (n=517; r=0.53; P<10(-37)), weakened on the second day (n=74; r=0.37; P=0.0009) and disappeared beyond day 2 (n=59; r=0.09; P=0.49). PBCD34 was significantly higher (median 53 versus median 11; P<0.00001) when LDH was elevated (n=511) compared to when LDH was normal (n=139). The relationship between serum LDH and PBCD34 was strong for autologous (r=0.54) as well as for allogeneic (r=0.41) collections. Our data suggest that it is reasonable to assume good stem cell mobilization and start apheresis if the LDH is elevated.
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Affiliation(s)
- K Egan
- Division of Hematology/Oncology, Hematopoietic Stem Cell Transplant Program, Feinberg School of Medicine, The Robert H Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL 60611, USA
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40
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Bolwell BJ, Pohlman B, Rybicki L, Sobecks R, Dean R, Curtis J, Andresen S, Koo A, Mineff V, Kalaycio M, Sweetenham JW. Patients mobilizing large numbers of CD34+ cells (‘super mobilizers’) have improved survival in autologous stem cell transplantation for lymphoid malignancies. Bone Marrow Transplant 2007; 40:437-41. [PMID: 17618321 DOI: 10.1038/sj.bmt.1705763] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The cellular composition of an autologous graft may influence autologous stem cell transplantation (ASCT) outcome. Etoposide (VP) plus filgrastim (G) frequently mobilizes high numbers of CD34+ cells for autologous transplantation. We investigated whether patients collecting high numbers of CD34+ cells ('super mobilizers') have a better outcome than other patients. We reviewed 350 consecutive adult patients with NHL or Hodgkin's lymphoma receiving an ASCT from January 1994 to December 2005, mobilized with VP+G. Super mobilizers were defined as collecting a minimum of 8 x 10(6) CD34+ cells/kg. Two hundred and three patients were super mobilizers, while 147 collected between 2.0 and 7.95 CD34+ cells/kg. Super mobilizers were younger and more likely to have received two or fewer prior chemotherapy regimens (80 versus 63%, P<0.001). Median CD34+ cell dose for the super mobilizing group was 13.7 x 10(6) versus 4.4 x 10(6)/kg in the standard collecting group. The super mobilizer group had a superior overall survival (P=0.006). In multivariable analysis, favorable disease status and younger age at transplant, and super mobilization were associated with improved survival. We conclude that patients had an improved ASCT outcome if large numbers of CD34+ cells were mobilized and infused. The explanation for this observation is unknown.
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Affiliation(s)
- B J Bolwell
- Department of Hematologic Oncology and Blood Disorders, Taussig Cancer Center, The Cleveland Clinic Foundation, Cleveland, OH 44195, USA
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Kroschinsky F, Hölig K, Platzbecker U, Poppe-Thiede K, Ordemann R, Blechschmidt M, Oelschlaegel U, Schaich M, Hänel M, Bornhäuser M, Ehninger G. Efficacy of single-dose pegfilgrastim after chemotherapy for the mobilization of autologous peripheral blood stem cells in patients with malignant lymphoma or multiple myeloma. Transfusion 2006; 46:1417-23. [PMID: 16934080 DOI: 10.1111/j.1537-2995.2006.00911.x] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND A single injection of pegfilgrastim has been shown to be equivalent to daily filgrastim in enhancing neutrophil recovery after chemotherapy, whereas the experiences with pegfilgrastim in mobilization of peripheral blood progenitor cells (PBPCs) are limited. STUDY DESIGN AND METHODS Forty unselected patients with lymphoma or multiple myeloma were treated with different chemotherapy regimens followed by 6 mg of pegfilgrastim for mobilization of autologous PBPCs. Patients with an inadequate mobilization (blood CD34+ cells <or= 10/microL after nadir) were given additional daily doses of 10 microg per kg unconjugated filgrastim. RESULTS A median blood CD34+ peak concentration of 81 per microL (range, 10-565/microL) was found in 30 patients, who had only received pegfilgrastim, compared to 13 per microL (median, range 4-71/microL; p < 0.001) in 10 poor mobilizing patients with additional filgrastim. The median yield of CD34+ cells was 9.8 x 10(6) per kg (range, 1.5-88.1) after pegfilgrastim only versus 2.5 x 10(6) (range, 1.7-7.0) in poor mobilizers. Patients who needed additional cytokine administration were those with a more extensive previous antineoplastic treatment and mobilizing regimens containing PBPC toxic agents. CONCLUSION The results confirm the efficacy and feasibility of PBPC mobilization with chemotherapy and single-dose pegfilgrastim in patients with lymphoproliferative malignacies. In less heavily pretreated patients, 6 mg of pegfilgrastim after chemotherapy induced an adequate mobilization, whereas dose and schedule in patients after numerous cytotoxic regimens need further investigation.
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Affiliation(s)
- Frank Kroschinsky
- 1st Medical Department, University Hospital Dresden, Dresden, Germany.
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42
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Ford CD, Greenwood J, Anderson J, Snow G, Petersen FB. CD34+ cell adhesion molecule profiles differ between patients mobilized with granulocyte-colony-stimulating factor alone and chemotherapy followed by granulocyte-colony-stimulating factor. Transfusion 2006; 46:193-8. [PMID: 16441594 DOI: 10.1111/j.1537-2995.2006.00717.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND High-dose therapy with autologous peripheral blood progenitor cell support is widely utilized but requires successful CD34+ cell mobilization and collection. Chemotherapy plus growth factors appear to mobilize more CD34+ cells than growth factors alone. Because alterations in expression of adhesion molecules are important in the trafficking of hematopoietic progenitors, the possibility was explored that the mechanism of this superior mobilization may be greater down regulation of adhesion molecules. STUDY DESIGN AND METHODS The expression of eight adhesion molecules (CD11a, b, and c; 15s; 49d and e; 54; and 62L) on the collected CD34+ cells from 15 patients undergoing mobilization with chemotherapy plus granulocyte-colony-stimulating factor (G-CSF) was compared with those of 14 concomitant patients receiving G-CSF alone. RESULTS Patients receiving chemotherapy plus G-CSF mobilized more CD34+ cells and did not differ in prior chemotherapy or radiation. There were no significant differences in the percentage of CD34+ cells expressing any of the adhesion molecules examined between the two groups. The chemotherapy plus G-CSF-mobilized cells consistently showed higher expression intensity, and this showed significance or a strong trend for CD11a and c, CD15s, and CD54. Despite these higher expression levels, there were no differences in engraftment kinetics. CONCLUSIONS CD34+ cells mobilized by chemotherapy plus growth factors appear to have higher intensities of expression of several adhesion molecules. The significance of this observation will require further study.
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Affiliation(s)
- Clyde D Ford
- Utah Blood and Marrow Transplant Program, LDS Hospital, Salt Lake City, Utah 84143, USA.
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Watanabe H, Watanabe T, Suzuya H, Wakata Y, Kaneko M, Onishi T, Okamoto Y, Abe T, Kawano Y, Kagami S, Takaue Y. Peripheral blood stem cell mobilization by granulocyte colony-stimulating factor alone and engraftment kinetics following autologous transplantation in children and adolescents with solid tumor. Bone Marrow Transplant 2006; 37:661-8. [PMID: 16489358 DOI: 10.1038/sj.bmt.1705304] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
In 56 pediatric and adolescent patients (median age 7 years, range 1-21) with various solid tumors, peripheral blood stem cells (PBSC) were mobilized with granulocyte colony-stimulating factor (G-CSF) alone, and the yields of PBSC and engraftment kinetics following autologous peripheral blood stem cell transplantation (PBSCT) were evaluated retrospectively. Granulocyte colony-stimulating factor (10 microg/kg) was injected subcutaneously for mobilization when patients showed no influence of previous chemotherapy, and administration was continued for 5 days. The peaks of CD34+ cells and colony-forming units-granulocyte/macrophage in the blood were observed on days 4 through 6 of G-CSF administration in all patients. Peripheral blood stem cell harvest was commenced on day 5 of G-CSF treatment. Compared to the results in patients mobilized by chemotherapy plus G-CSF (N=18), the progenitor cell yields were lower in patients mobilized with G-CSF alone. However, there were no significant differences in WBC and ANC engraftment compared to the chemotherapy plus G-CSF mobilization group. Platelet recovery following autologous PBSCT was delayed in patients mobilized with G-CSF alone. The median time taken for ANC and platelet counts to reach 0.5 x 10(9) and 20 x 10(9)/l was 12 days (range: 9-28) and 15 days (8-55), respectively, in all patients who received PBSC mobilized by G-CSF alone. In summary, mobilization with G-CSF alone can mobilize sufficient CD34+ cells for successful autografting and sustained hematological reconstitution in pediatric and adolescent patients with solid tumors, and even in heavily pre-treated patients.
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Affiliation(s)
- H Watanabe
- Department of Pediatrics, University of Tokushima Graduate School of Medical Science, Tokushima, Japan
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Akhtar S, Tbakhi A, Humaidan H, El Weshi A, Rahal M, Maghfoor I. ESHAP+fixed dose G-CSF as autologous peripheral blood stem cell mobilization regimen in patients with relapsed or refractory diffuse large cell and Hodgkin's lymphoma: a single institution result of 127 patients. Bone Marrow Transplant 2006; 37:277-82. [PMID: 16400345 DOI: 10.1038/sj.bmt.1705239] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
From 1996 to November 2004, 131 consecutive patients with relapsed or refractory diffuse large cell lymphoma (DLCL) and Hodgkin's lymphoma (HD) received ESHAP as mobilization chemotherapy before autologous peripheral blood stem cell transplant (ASCT). Patients received fixed dose G-CSF 300 microg SC bid starting 24-36 h after finishing mobilizing ESHAP. In all, four patients failed mobilization and are excluded. Characteristics of 127 patients: 68 males: 59 females. DLCL 49: HD 78. Initial stage I:II:III:IV:unknown was 15:34:33:42:3. Median age at ASCT 26 years. Median prior chemotherapy cycles were six [<6 (17 patients), 6-8 (90 patients), >8 (20 patients)]. Median ESHAP cycle used as mobilizer was third. Patients required 1, 2, 3, 4 apheresis were 93:25:8:1. Median total CD34+ cells/kg collected were 6.9 x 10(6) (DLCL 5.17 x 10(6) and HD 7.6 x 10(6)), patients weighing < or = 70 kg (93 patients) 6.54 x 10(6) and >70 kg (34 patients) 7.44 x 10(6) (P = 0.59), one apheresis (93 patients) 8.6 x 10(6)/kg and >1 apheresis (34 patients) 4.5 x 10(6) (P = 0.001). We conclude that ESHAP and G-CSF 300 microg SC bid is an effective mobilizing regimen even in patients >70 kg and most patients require only 1-2 apheresis.
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Affiliation(s)
- S Akhtar
- King Faisal Specialist Hospital & Research Center, Riyadh, Kingdom of Saudi Arabia.
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Burroughs L, Mielcarek M, Little MT, Bridger G, Macfarland R, Fricker S, Labrecque J, Sandmaier BM, Storb R. Durable engraftment of AMD3100-mobilized autologous and allogeneic peripheral-blood mononuclear cells in a canine transplantation model. Blood 2005; 106:4002-8. [PMID: 16105977 PMCID: PMC1895108 DOI: 10.1182/blood-2005-05-1937] [Citation(s) in RCA: 73] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2005] [Accepted: 07/28/2005] [Indexed: 11/20/2022] Open
Abstract
Peripheral-blood mononuclear cells (PBMCs) mobilized with AMD3100, a CXCR4 antagonist, combined with granulocyte colony-stimulating factor (G-CSF) have reconstituted autologous hematopoiesis in cancer patients following myeloablative conditioning. The engraftment potential of PBMCs mobilized with AMD3100 alone, however, has remained unproven. We therefore studied AMD3100-mobilized PBMCs in a canine model. Four dogs received 920 cGy total body irradiation (TBI) before infusion of autologous AMD3100-mobilized PBMCs (median CD34 cell count, 3.9 x 10(6)/kg). Neutrophil (> 0.5 x 10(9)/L [500/microL]) and platelet (> 20 x 10(9)/L [> 20 000/microL]) recoveries occurred at medians of 9 (range, 7-10) days and 25 (range, 23-38) days, respectively, after TBI, and all dogs had normal marrow function at 1 year after transplantation. To evaluate the long-term engraftment potential of AMD3100-mobilized PBMCs, 5 dogs were given 920 cGy TBI followed by infusion of AMD3100-mobilized PBMCs (median CD34 cell dose, 4.7 x 10(6)/kg) from their dog leukocyte antigen (DLA)-identical littermates. Neutrophil and platelet recoveries occurred at medians of 8 (range, 8-10) days and 26 (range, 26-37) days, respectively, after TBI. With a median follow-up of 53 (range, 33-61) weeks, recipients' marrow function was normal, and blood-donor chimerism levels were 97% to 100%. In summary, both autologous and allogeneic AMD3100-mobilized PBMCs led to prompt and durable engraftment in dogs after 920 cGy TBI.
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Affiliation(s)
- Lauri Burroughs
- Clinical Research Division, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave N, D1-100, PO Box 19024, Seattle, WA 98109-1024, USA
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46
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Suzuya H, Watanabe T, Nakagawa R, Watanabe H, Okamoto Y, Onishi T, Abe T, Kawano Y, Kagami S, Takaue Y. Factors associated with granulocyte colony-stimulating factor-induced peripheral blood stem cell yield in healthy donors. Vox Sang 2005; 89:229-35. [PMID: 16262756 DOI: 10.1111/j.1423-0410.2005.00701.x] [Citation(s) in RCA: 94] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND AND OBJECTIVES Poor collection results are a clinical problem in granulocyte-colony stimulating factor (G-CSF)-induced peripheral blood stem cell (PBSC) collection in healthy donors. It would be beneficial to be able to predict the PBSC yield from allogeneic donors before mobilization or harvesting. MATERIALS AND METHODS We examined the relationship between certain donor characteristics and the effectiveness of G-CSF-induced PBSC collection in 59 healthy family donors aged 3-63 years old (median 16 years). G-CSF was administered subcutaneously at 10 microg/kg for mobilization, daily for 5 days, and PBSC harvest using a continuous blood cell separator was started on day 5 of G-CSF treatment. Total cell yields were calculated as the number per unit of processed blood (l) per unit weight of the donor (kg). RESULTS In a univariate analysis, the donor's age, body mass index (BMI), white blood cell (WBC) count before mobilization, and platelet count before and during mobilization were significantly correlated with the yield of mononuclear cells (MNC), CD34(+) cells and granulocyte-macrophage colony-forming units (GM-CFU). Younger age (P < 0.001), a low BMI (P = 0.002), a high WBC count before mobilization (P = 0.004), a high platelet count before (P = 0.012) and during (P < 0.05) mobilization, and a low speed of withdrawal (P = 0.019) were associated with a higher CD34(+) cell yield. No significant correlation was found for gender, the type of G-CSF, the serum level of G-CSF, the type of cell separator, or the type of blood access. A multivariate forward and backward stepwise selection regression analysis showed that the factors associated with CD34(+) cell yield were age, platelet count before and during mobilization, and circulating CD34(+) cell concentration on day 2 of G-CSF treatment. CONCLUSION In this small preliminary study, we found that donor age is the most important factor in predicting G-CSF-induced PBSC yields. Old age and low platelet counts before mobilization might be useful indicators for identifying poor mobilizers. Further validation of these findings in a larger number of donors are needed to establish whether these findings apply to other populations.
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Affiliation(s)
- H Suzuya
- Department of Pediatrics, University of Tokushima Graduate School of Medical Science, Tokushima, Japan
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Ford CD, Greenwood J, Anderson J, Handrahan D, Petersen FB. Good and poor mobilizing patients differ in mobilized CD34+ cell adhesion molecule profiles. Transfusion 2004; 44:1769-73. [PMID: 15584993 DOI: 10.1111/j.0041-1132.2004.04035.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Alterations in expression of adhesion molecules are important in the trafficking of hematopoietic progenitors and probably in the mobilization process. Relatively little and conflicting data are currently available on the differences in expression between good and poor mobilizing patients. STUDY DESIGN AND METHODS In this study, the expression of eight adhesion molecules on the collected CD34+ cells from 36 patients undergoing mobilization was determined. RESULTS Good mobilizing patients, defined as those who collected their target in one apheresis procedure, had significantly fewer cells that expressed CD11a (LFA-1) and CD54 (ICAM-1) and borderline fewer that expressed CD11c, CD49d (VLA-4), and CD49d (VLA-5). No differences were detected in CD11b (Mac-1), CD15s (sLe(x)), or CD62L (L-selectin). Linear regression analysis identified number of prior chemotherapy courses and expression of CD11a (LFA-1) as independent predictive factors for mobilization efficiency. Good and poor mobilizing patients had approximately the same number of total CD34+ cells collected and little difference in times to engraftment. CONCLUSIONS CD11a (LFA-1) expression inversely correlates with mobilization efficiency. Elucidation of the mechanism(s) underlying these observations will require further study.
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Affiliation(s)
- Clyde D Ford
- Utah Blood and Marrow Transplant Program and the Department of Pathology, LDS Hospital and the University of Utah, Salt Lake City, Utah 84143, USA.
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