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Mehl J, Akhoundova D, Bacher U, Jeker B, Rhyner Agocs G, Ruefer A, Soltermann S, Soekler M, Winkler A, Daskalakis M, Pabst T. Daratumumab during Myeloma Induction Therapy Is Associated with Impaired Stem Cell Mobilization and Prolonged Post-Transplant Hematologic Recovery. Cancers (Basel) 2024; 16:1854. [PMID: 38791933 PMCID: PMC11119719 DOI: 10.3390/cancers16101854] [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: 04/27/2024] [Revised: 05/09/2024] [Accepted: 05/09/2024] [Indexed: 05/26/2024] Open
Abstract
Daratumumab is being increasingly integrated into first-line multiple myeloma (MM) induction regimens, leading to improved response depth and longer progression-free survival. Autologous stem cell transplantation (ASCT) is commonly performed as a consolidation strategy following first-line induction in fit MM patients. We investigated a cohort of 155 MM patients who received ASCT after first-line induction with or without daratumumab (RVd, n = 110; D-RVd, n = 45), analyzing differences in stem cell mobilization, apheresis, and engraftment. In the D-RVd group, fewer patients successfully completed mobilization at the planned apheresis date (44% vs. 71%, p = 0.0029), and more patients required the use of rescue plerixafor (38% vs. 28%, p = 0.3052). The median count of peripheral CD34+ cells at apheresis was lower (41.37 vs. 52.19 × 106/L, p = 0.0233), and the total number of collected CD34+ cells was inferior (8.27 vs. 10.22 × 106/kg BW, p = 0.0139). The time to recovery of neutrophils and platelets was prolonged (12 vs. 11 days, p = 0.0164; and 16 vs. 14 days, p = 0.0002, respectively), and a higher frequency of erythrocyte transfusions (74% vs. 51%, p = 0.0103) and a higher number of platelet concentrates/patients were required (4 vs. 2; p = 0.001). The use of daratumumab during MM induction might negatively impact stem cell mobilization and engraftment in the context of ASCT.
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Affiliation(s)
- Julian Mehl
- Department of Medical Oncology, Inselspital, Bern University Hospital, 3010 Bern, Switzerland; (J.M.); (D.A.); (B.J.)
| | - Dilara Akhoundova
- Department of Medical Oncology, Inselspital, Bern University Hospital, 3010 Bern, Switzerland; (J.M.); (D.A.); (B.J.)
| | - Ulrike Bacher
- Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital, 3010 Bern, Switzerland; (U.B.); (M.D.)
| | - Barbara Jeker
- Department of Medical Oncology, Inselspital, Bern University Hospital, 3010 Bern, Switzerland; (J.M.); (D.A.); (B.J.)
| | - Gaëlle Rhyner Agocs
- Department of Medical Oncology, HFR Fribourg-Hôpital Cantonal, 1708 Fribourg, Switzerland;
| | - Axel Ruefer
- Department of Hematology, Cantonal Hospital Lucerne, 6000 Lucerne, Switzerland;
| | - Susanne Soltermann
- Department of Oncology and Hematology, Bürgerspital Solothurn, 4500 Solothurn, Switzerland;
| | - Martin Soekler
- Department of Oncology and Hematology, Hospital Thun, 3600 Thun, Switzerland;
| | - Annette Winkler
- Department of Oncology and Hematology, Biel Hospital Center, 2501 Biel, Switzerland;
| | - Michael Daskalakis
- Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital, 3010 Bern, Switzerland; (U.B.); (M.D.)
| | - Thomas Pabst
- Department of Medical Oncology, Inselspital, Bern University Hospital, 3010 Bern, Switzerland; (J.M.); (D.A.); (B.J.)
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Leonard A, Weiss MJ. Hematopoietic stem cell collection for sickle cell disease gene therapy. Curr Opin Hematol 2024; 31:104-114. [PMID: 38359264 DOI: 10.1097/moh.0000000000000807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
PURPOSE OF REVIEW Gene therapy for sickle cell disease (SCD) is advancing rapidly, with two transformative products recently approved by the US Food and Drug Administration and numerous others under study. All current gene therapy protocols require ex vivo modification of autologous hematopoietic stem cells (HSCs). However, several SCD-related problems impair HSC collection, including a stressed and damaged bone marrow, potential cytotoxicity by the major therapeutic drug hydroxyurea, and inability to use granulocyte colony stimulating factor, which can precipitate severe vaso-occlusive events. RECENT FINDINGS Peripheral blood mobilization of HSCs using the CXCR4 antagonist plerixafor followed by apheresis collection was recently shown to be safe and effective for most SCD patients and is the current strategy for mobilizing HSCs. However, exceptionally large numbers of HSCs are required to manufacture an adequate cellular product, responses to plerixafor are variable, and most patients require multiple mobilization cycles, increasing the risk for adverse events. For some, gene therapy is prohibited by the failure to obtain adequate numbers of HSCs. SUMMARY Here we review the current knowledge on HSC collection from individuals with SCD and potential improvements that may enhance the safety, efficacy, and availability of gene therapy for this disorder.
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Affiliation(s)
- Alexis Leonard
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
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Hematopoietic Stem Cell Mobilization: Current Collection Approaches, Stem Cell Heterogeneity, and a Proposed New Method for Stem Cell Transplant Conditioning. Stem Cell Rev Rep 2021; 17:1939-1953. [PMID: 34661830 DOI: 10.1007/s12015-021-10272-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/27/2021] [Indexed: 10/20/2022]
Abstract
Hematopoietic stem cells naturally traffic out of their bone marrow niches into the peripheral blood. This natural trafficking process can be enhanced with numerous pharmacologic agents - a process termed "mobilization" - and the mobilized stem cells can be collected for transplantation. We review the current state of mobilization with an update on recent clinical trials and new biologic mechanisms regulating stem cell trafficking. We propose that hematopoietic mobilization can be used to answer questions regarding hematopoietic stem cell heterogeneity, can be used for non-toxic conditioning of patients receiving stem cell transplants, and can enhance gene editing and gene therapy strategies to cure genetic diseases.
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Patterson AM, Zhang S, Liu L, Li H, Singh P, Liu Y, Farag SS, Pelus LM. Meloxicam with Filgrastim may Reduce Oxidative Stress in Hematopoietic Progenitor Cells during Mobilization of Autologous Peripheral Blood Stem Cells in Patients with Multiple Myeloma. Stem Cell Rev Rep 2021; 17:2124-2138. [PMID: 34510361 DOI: 10.1007/s12015-021-10259-y] [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] [Accepted: 09/02/2021] [Indexed: 12/13/2022]
Abstract
Autologous stem cell transplantation (ASCT) is a potentially curative therapy but requires collection of sufficient blood stem cells (PBSC). Up to 40 % of patients with multiple myeloma (MM) fail to collect an optimum number of PBSC using filgrastim only and often require costly plerixafor rescue. The nonsteroidal anti-inflammatory drug meloxicam mobilizes PBSC in mice, nonhuman primates and normal volunteers, and has the potential to attenuate mobilization-induced oxidative stress on stem cells. In a single-center study, we evaluated whether a meloxicam regimen prior to filgrastim increases collection and/or homeostasis of CD34+ cells in MM patients undergoing ASCT. Mobilization was not significantly different with meloxicam in this study; a median of 2.4 × 106 CD34+ cells/kg were collected in the first apheresis and 9.2 × 106 CD34+ cells/kg were collected overall for patients mobilized with meloxicam-filgrastim, versus 4.1 × 106 in first apheresis and 7.2 × 106/kg overall for patients mobilized with filgrastim alone. CXCR4 expression was reduced on CD34+ cells and a higher CD4+/CD8+ T-cell ratio was observed after mobilization with meloxicam-filgrastim. All patients treated with meloxicam-filgrastim underwent ASCT, with neutrophil and platelet engraftment similar to filgrastim alone. RNA sequencing of purified CD34+ cells from 22 MM patients mobilized with meloxicam-filgrastim and 10 patients mobilized with filgrastim only identified > 4,800 differentially expressed genes (FDR < 0.05). Enrichment analysis indicated significant attenuation of oxidative phosphorylation and translational activity, possibly mediated by SIRT1, suggesting meloxicam may counteract oxidative stress during PBSC collection. Our results indicate that meloxicam was a safe, low-cost supplement to filgrastim mobilization, which appeared to mitigate HSPC oxidative stress, and may represent a simple means to lessen stem cell exhaustion and enhance graft quality.
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Affiliation(s)
- Andrea M Patterson
- Department of Medicine, Division of Hematology/Oncology, Indiana University School of Medicine, 980 West Walnut St, Indianapolis, IN, 46202, USA.,Department of Microbiology & Immunology, Indiana University School of Medicine, 950 West Walnut St, Indianapolis, IN, 46202, USA
| | - Shuhong Zhang
- Department of Medicine, Division of Hematology/Oncology, Indiana University School of Medicine, 980 West Walnut St, Indianapolis, IN, 46202, USA
| | - Liqiong Liu
- Department of Microbiology & Immunology, Indiana University School of Medicine, 950 West Walnut St, Indianapolis, IN, 46202, USA
| | - Hongge Li
- Department of Microbiology & Immunology, Indiana University School of Medicine, 950 West Walnut St, Indianapolis, IN, 46202, USA
| | - Pratibha Singh
- Department of Medicine, Division of Hematology/Oncology, Indiana University School of Medicine, 980 West Walnut St, Indianapolis, IN, 46202, USA.,Department of Microbiology & Immunology, Indiana University School of Medicine, 950 West Walnut St, Indianapolis, IN, 46202, USA
| | - Yunlong Liu
- Center for Computational Biology and Bioinformatics, Indiana University School of Medicine, 46202, Indianapolis, IN, USA.,Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Sherif S Farag
- Department of Medicine, Division of Hematology/Oncology, Indiana University School of Medicine, 980 West Walnut St, Indianapolis, IN, 46202, USA.
| | - Louis M Pelus
- Department of Medicine, Division of Hematology/Oncology, Indiana University School of Medicine, 980 West Walnut St, Indianapolis, IN, 46202, USA. .,Department of Microbiology & Immunology, Indiana University School of Medicine, 950 West Walnut St, Indianapolis, IN, 46202, USA.
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Betticher C, Bacher U, Legros M, Zimmerli S, Banz Y, Mansouri Taleghani B, Pabst T. Prophylactic corticosteroid use prevents engraftment syndrome in patients after autologous stem cell transplantation. Hematol Oncol 2020; 39:97-104. [PMID: 32979278 DOI: 10.1002/hon.2813] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 09/21/2020] [Accepted: 09/23/2020] [Indexed: 11/08/2022]
Abstract
Engraftment syndrome (ES) following autologous stem cell transplantation (ASCT) at the time of neutrophil recovery may comprise fever, rash, pulmonary edema, or diarrhea. Usually, ES is easily manageable using corticosteroids but may prolong hospitalization. In two consecutive cohorts of subsequent patients with myeloma, lymphomas, and testicular/germ cell cancer, we assessed the benefit of corticosteroid use to prevent incidence and severity of ES following ASCT. Whereas Cohort A (82 patients) received no prophylactic corticosteroids, corticosteroids (4 mg dexamethasone oral daily) were started in Cohort B (60 patients) at day +9 until day +13 following ASCT. Steroid prophylaxis significantly reduced the incidence of ES (6/60; 10% vs. 33/82; 40%; p < 0.001). Hospitalization duration was longer in patients with ES than in patients without ES within both cohorts (in Cohort A: p = 0.007; and B: p = 0.011), but did not differ significantly between cohorts A and B. Finally, in Cohort A, there was a trend to an inferior 2-year overall survival rate in patients without ES compared to patients with ES (p = 0.067), but definite conclusions are not yet allowed. Our results suggest that corticosteroid prophylaxis from days +9 to +13 following ASCT significantly reduces the risk of ES and shortens hospitalization duration.
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Affiliation(s)
- Christophe Betticher
- Department of Medical Oncology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Ulrike Bacher
- Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Myriam Legros
- Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Stefan Zimmerli
- Institute of Infectious Diseases, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Yara Banz
- Institute of Pathology, University of Bern, Bern, Switzerland
| | - Behrouz Mansouri Taleghani
- Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Thomas Pabst
- Department of Medical Oncology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
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Meloxicam, a Selective COX-2 Inhibitor, Mediates Hypoxia-Inducible Factor- (HIF-) 1 α Signaling in Hepatocellular Carcinoma. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:7079308. [PMID: 32273947 PMCID: PMC7128048 DOI: 10.1155/2020/7079308] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Accepted: 03/02/2020] [Indexed: 02/07/2023]
Abstract
Hepatocellular carcinoma (HCC) is regarded as a leading cause of cancer-related deaths, and its progression is associated with hypoxia and the induction of hypoxia-inducible factor (HIF). Meloxicam, a selective cyclooxygenase-2 (COX-2) inhibitor, induces cell death in various malignancies. However, the underlying mechanism remains to be elucidated in HCC, especially under hypoxic conditions. The alteration of COX-2 and HIF-1α oncogenicity was evaluated in HCC specimens by tissue microarray. Cell viability, angiogenesis assays, and xenografted nude mice were used to evaluate the effects of meloxicam, along with flow cytometry to detect the cell cycle, apoptosis, and mitochondrial membrane potential (ΔΨm) of HCC. qRT-PCR, Western blotting, immunofluorescence, immunohistochemistry, luciferase assay, and RNAi were carried out to determine the HIF-1α signaling affected by meloxicam. In this study, we showed that meloxicam exerts antiproliferative and antiangiogenesis efficacy in vitro and in vivo and causes disruption of mitochondrial membrane potential (ΔΨm), thus leading to caspase-dependent apoptosis under hypoxic environments. Exposure to meloxicam significantly reduced HIF-1α transcriptional activation and expression through sequestering it in the cytoplasm and accelerating degradation via increasing the von Hippel-Lindau tumor suppressor protein (pVHL) in HCC. These data demonstrated that inhibition of HIF-1α by meloxicam could suppress angiogenesis and enhance apoptosis of HCC cells. This discovery highlights that COX-2 specific inhibitors may be a promising therapy in the treatment of HCC.
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de Kruijf EJFM, Fibbe WE, van Pel M. Cytokine-induced hematopoietic stem and progenitor cell mobilization: unraveling interactions between stem cells and their niche. Ann N Y Acad Sci 2019; 1466:24-38. [PMID: 31006885 PMCID: PMC7217176 DOI: 10.1111/nyas.14059] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 02/15/2019] [Accepted: 02/28/2019] [Indexed: 02/06/2023]
Abstract
Peripheral blood hematopoietic stem and progenitor cells (HSPCs), mobilized by granulocyte colony‐stimulating factor, are widely used as a source for both autologous and allogeneic stem cell transplantation. The use of mobilized HSPCs has several advantages over traditional bone marrow–derived HSPCs, including a less invasive harvesting process for the donor, higher HSPC yields, and faster hematopoietic reconstitution in the recipient. For years, the mechanisms by which cytokines and other agents mobilize HSPCs from the bone marrow were not fully understood. The field of stem cell mobilization research has advanced significantly over the past decade, with major breakthroughs in the elucidation of the complex mechanisms that underlie stem cell mobilization. In this review, we provide an overview of the events that underlie HSPC mobilization and address the relevant cellular and molecular components of the bone marrow niche. Furthermore, current and future mobilizing agents will be discussed.
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Affiliation(s)
- Evert-Jan F M de Kruijf
- Section of Stem Cell Biology, Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, the Netherlands
| | - Willem E Fibbe
- Section of Stem Cell Biology, Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, the Netherlands
| | - Melissa van Pel
- Section of Stem Cell Biology, Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, the Netherlands
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Abstract
THE PURPOSE OF REVIEW Mobilized peripheral blood is the predominant source of stem and progenitor cells for hematologic transplantation. Successful transplant requires sufficient stem cells of high enough quality to recapitulate lifelong hematopoiesis, but in some patients and normal donors, reaching critical threshold stem cell numbers are difficult to achieve. Novel strategies, particularly those offering rapid mobilization and reduced costs, remains an area of interest.This review summarizes critical scientific underpinnings in understanding the process of stem cell mobilization, with a focus on new or improved strategies for their efficient collection and engraftment. RECENT FINDINGS Studies are described that provide new insights into the complexity of stem cell mobilization. Agents that target new pathways such HSC egress, identify strategies to collect more potent competing HSC and new methods to optimize stem cell collection and engraftment are being evaluated. SUMMARY Agents and more effective strategies that directly address the current shortcomings of hematopoietic stem cell mobilization and transplantation and offer the potential to facilitate collection and expand use of mobilized stem cells have been identified.
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Affiliation(s)
- Louis M. Pelus
- Department of Microbiology & Immunology, Indiana University School of Medicine, 950 W Walnut Street, R2-301, Indianapolis, IN 46202
| | - Hal E Broxmeyer
- Department of Microbiology & Immunology, Indiana University School of Medicine, 950 W Walnut Street, R2-301, Indianapolis, IN 46202
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