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Walter RB, Sandmaier BM, Othus M, Orvain C, Rodríguez-Arbolí E, Oshima MU, Schoch G, Davis C, Joachim Deeg H, Storb R. Comparison of reduced intensity and nonmyeloablative conditioning for adults with acute myeloid leukemia undergoing allogeneic hematopoietic cell transplantation in first or second remission. Bone Marrow Transplant 2023; 58:377-385. [PMID: 36577856 PMCID: PMC10170527 DOI: 10.1038/s41409-022-01909-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 12/19/2022] [Accepted: 12/21/2022] [Indexed: 12/29/2022]
Abstract
Reduced intensity conditioning (RIC) and nonmyeloablative (NMA) conditioning regimens have expanded use of allogeneic hematopoietic cell transplantation (HCT) in AML to include older and medically less-fit patients, but relative efficacies and toxicities remain poorly defined. Here, we analyzed outcomes from 343 adults transplanted in remission after RIC (n = 137) or NMA (n = 206) conditioning between 2006 and 2021. The characteristics of RIC and NMA HCT patients were similar except that RIC patients were younger and their time between most recent remission achievement and allografting was shorter. There were no significant differences in relapse risk, relapse-free survival (RFS), overall survival (OS), and non-relapse mortality (NRM) between RIC and NMA HCT patients, both overall (relapse: hazard ratio [HR] = 0.80, P = 0.27; RFS: HR = 0.93, P = 0.61; OS: HR = 0.93, P = 0.66; NRM: HR = 1.13, P = 0.59) and when patients were stratified by pre-HCT measurable residual disease (MRD) status. After multivariable adjustment, there was no statistically significant association between conditioning intensity and relapse (HR = 0.69, P = 0.088), RFS (HR = 0.86, P = 0.37), OS (HR = 0.89, P = 0.49), or NRM (HR = 1.37, P = 0.19). In this non-randomized cohort of adults undergoing allografting for AML in first or second remission at our center, we could not detect statistically significant differences in outcomes between those assigned to RIC and those assigned to NMA conditioning.
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Affiliation(s)
- Roland B Walter
- Fred Hutchinson Cancer Center, Seattle, WA, USA.
- Department of Medicine, Division of Hematology, University of Washington, Seattle, WA, USA.
- Department of Laboratory Medicine & Pathology, University of Washington, Seattle, WA, USA.
- Department of Epidemiology, University of Washington, Seattle, WA, USA.
| | - Brenda M Sandmaier
- Fred Hutchinson Cancer Center, Seattle, WA, USA
- Department of Medicine, Division of Medical Oncology, University of Washington, Seattle, WA, USA
| | - Megan Othus
- Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Corentin Orvain
- Fred Hutchinson Cancer Center, Seattle, WA, USA
- Department of Medicine, Division of Hematology, University of Washington, Seattle, WA, USA
| | | | - Masumi U Oshima
- Fred Hutchinson Cancer Center, Seattle, WA, USA
- Department of Medicine, Division of Medical Oncology, University of Washington, Seattle, WA, USA
| | - Gary Schoch
- Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Chris Davis
- Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - H Joachim Deeg
- Fred Hutchinson Cancer Center, Seattle, WA, USA
- Department of Medicine, Division of Medical Oncology, University of Washington, Seattle, WA, USA
| | - Rainer Storb
- Fred Hutchinson Cancer Center, Seattle, WA, USA
- Department of Medicine, Division of Medical Oncology, University of Washington, Seattle, WA, USA
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Alkhaldi H, Goloubeva O, Rapoport AP, Dahiya S, Pang Y, Ali MM, Hardy NM, Mohindra P, Bukhari A, Lutfi F, Sanchez-Petitto G, Molitoris J, Samanta S, Li X, Toth T, Landau M, Hodges S, Nishioka J, Ruehle K, Ridge L, Gahres N, Kocoglu MH, Atanackovic D, Malinou JN, Yared JA. Outcomes of Busulfan, Fludarabine, and 400 cGy Total Body Irradiation Compared With Busulfan and Fludarabine Reduced-Intensity Conditioning Regimens for Allogeneic Stem Cell Transplantation in Adult Patients With Hematologic Diseases: A Single-Center Experience. Transplant Proc 2023; 55:214-224. [PMID: 36635141 DOI: 10.1016/j.transproceed.2022.10.061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 09/11/2022] [Accepted: 10/18/2022] [Indexed: 01/12/2023]
Abstract
BACKGROUND Reduced intensity conditioning (RIC) regimens decrease the risk for nonrelapse mortality (NRM) in adult patients undergoing allogeneic hematopoietic stem cell transplantation for hematologic malignancies but increase the risk for relapse. The aim of this study was to compare the outcomes of fludarabine-total body irradiation (TBI) with fludarabine among patients with hematologic diseases. PATIENTS AND METHODS This retrospective study of 137 patients with different hematologic malignancies compared the outcomes of 63 patients who received a conventional RIC regimen with 2 days of IV busulfan (3.2 mg/kg/d × 2 days) and fludarabine with 74 patients who received the same regimen plus 400 cGy of fludarabine and busulfan (FB)-TBI divided in 2 doses over 1 day (200 cGy BID). Median follow-up was 4.62 years. RESULTS The donors were either HLA-matched siblings (36%) or HLA-matched unrelated donors (64%). The FB-TBI showed trends toward improvement in progression-free survival (PFS) and overall survival (OS) over FB (5-year PFS rates 50% vs 34%, P = .06, and 5-year OS rate 53% vs 39%, P = .13). Acute graft-vs-host disease (aGVHD), relapse, and NRM were similar between the 2 groups. The 5-year cumulative incidence of chronic GVHD (cGVHD) was lower in the FB-TBI group compared with the FB group (29% vs 52%, P = .003). Multivariable analysis revealed that grade III-IV aGVHD was the only independent risk factor for worse OS (P = .001) in both groups. A high disease risk index was possibly associated with inferior OS (P = .07) in both groups. CONCLUSIONS The FB-TBI is a safe and effective intensified RIC regimen for adult patients with hematologic malignancies. It predicted a lower risk for cGVHD and showed possibly improved PFS and OS compared with FB.
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Affiliation(s)
- Hanan Alkhaldi
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA; Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Olga Goloubeva
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA
| | - Aaron P Rapoport
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA; Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Saurabh Dahiya
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA; Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Yifan Pang
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Moaath Mustafa Ali
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA; Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Nancy M Hardy
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA; Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Pranshu Mohindra
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA; Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Ali Bukhari
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA; Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Forat Lutfi
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA; Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Gabriela Sanchez-Petitto
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA; Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Jason Molitoris
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA; Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Santanu Samanta
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA; Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Xin Li
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA
| | - Tara Toth
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA
| | - Mindy Landau
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA
| | - Susan Hodges
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA
| | - Jennifer Nishioka
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA
| | - Kathleen Ruehle
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA
| | - Linda Ridge
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA
| | - Natalie Gahres
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA
| | - Mehmet H Kocoglu
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA; Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Djordje Atanackovic
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA; Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Justin N Malinou
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA; Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Jean A Yared
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA; Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA.
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van der Velden WJFM, Choi G, de Witte MA, van der Meer A, de Haan AFJ, Blijlevens NMA, Huls G, Kuball J, van Dorp S. Anti-thymocyte globulin with CsA and MMF as GVHD prophylaxis in nonmyeloablative HLA-mismatched allogeneic HCT. Bone Marrow Transplant 2021; 56:2651-2655. [PMID: 34148060 PMCID: PMC8214052 DOI: 10.1038/s41409-021-01369-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 05/19/2021] [Accepted: 05/26/2021] [Indexed: 11/09/2022]
Abstract
Nonmyeloablative regimens are used for allogeneic hematopoietic cell transplantation (HCT) of older or medically unfit patients, but successful outcome is still hindered by graft-versus-host disease (GVHD), especially in the setting of HLA-mismatched HCT. New GVHD prophylaxis strategies are emerging, including the triple drug strategy, that improve the GVHD-free and relapse-free survival (GRFS). Because the impact of ATG in HLA-mismatched Flu-TBI-based nonmyeloablative HCT has not been investigated, we did a retrospective analysis in three Dutch centers. 67 patients were evaluable, with a median age of 56 years. Overall survival, relapse-free survival and GRFS at 4 years were 52%, 43%, and 38%, respectively. NRM findings and cumulative incidence of relapse at 4 years were 26% and 31%, respectively. At 1-year grade II-IV had occurred in 40% of the patients, and the incidence of moderate-severe chronic GVHD incidence was 16%. Acknowledging the limitations of retrospective analyses, we conclude that the use of ATG for HLA-mismatched truly nonmyeloablative Flu-TBI HCT is feasible and results in acceptable long term outcomes, especially with regards to GRFS. We consider ATG in combination with cyclosporin and mycophenolate mofetil as an alternative for the triple drug strategy that uses sirolimus for GVHD prophylaxis in this particular setting.
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Affiliation(s)
| | - Goda Choi
- Department of Hematology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Moniek A de Witte
- Department of Hematology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Arnold van der Meer
- Department of Laboratory Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Anton F J de Haan
- Department for Health Evidence, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Nicole M A Blijlevens
- Department of Hematology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Gerwin Huls
- Department of Hematology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Jürgen Kuball
- Department of Hematology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Suzanne van Dorp
- Department of Hematology, Radboud University Medical Center, Nijmegen, The Netherlands
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