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Nikoloudis A, Buxhofer-Ausch V, Aichinger C, Binder M, Hasengruber P, Kaynak E, Wipplinger D, Milanov R, Strassl I, Stiefel O, Machherndl-Spandl S, Petzer A, Weltermann A, Clausen J. Impact of the Recipient's Pre-Treatment Blood Lymphocyte Count on Intended and Unintended Effects of Anti-T-Lymphocyte Globulin in Allogeneic Hematopoietic Stem Cell Transplantation. Cells 2023; 12:1831. [PMID: 37508496 PMCID: PMC10378354 DOI: 10.3390/cells12141831] [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: 06/19/2023] [Revised: 07/07/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
Background: In allogeneic hematopoietic stem cell transplantation (HSCT), Anti-T-Lymphocyte Globulin (ATLG) may be used for the prevention of severe graft-versus-host disease (GVHD). ATLG targets both the recipient's lymphocytes and those transferred with the graft. Assuming an inverse relation between the recipient's absolute lymphocyte count (ALC) and exposure of remaining ATLG to the graft, we aim to evaluate the impact of the recipient's ALC before the first ATLG administration on the benefits (prevention of GVHD and GVHD-associated mortality) and potential risks (increased relapse incidence) associated with ATLG. Methods: In recipients of HLA-matched, ATLG-based HSCT (n = 311), we assessed the incidence of acute GVHD, GVHD-related mortality and relapse, as well as other transplant-related outcomes, in relation to the respective ALC (divided into tertiles) before ATLG. Results: The top-tertile ALC group had a significantly increased risk of aGVHD (subhazard ratio (sHR) 1.81; [CI 95%; 1.14-2.88]; p = 0.01) and aGVHD-associated mortality (sHR 1.81; [CI 95%; 1.03-3.19]; p = 0.04). At the highest ATLG dose level (≥45 mg/kg), recipients with lowest-tertile ALC had a trend towards increased relapse incidence (sHR 4.19; [CI 95%; 0.99-17.7]; p = 0.05, n = 32). Conclusions: ATLG dosing based on the recipient's ALC may be required for an optimal balance between GVHD suppression and relapse prevention.
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Affiliation(s)
- Alexander Nikoloudis
- Ordensklinikum Linz-Elisabethinen, Department of Internal Medicine I: Hematology with Stem Cell Transplantation, Hemostaseology and Medical Oncology, 4020 Linz, Austria
- Medical Faculty, Johannes Kepler University, 4020 Linz, Austria
| | - Veronika Buxhofer-Ausch
- Ordensklinikum Linz-Elisabethinen, Department of Internal Medicine I: Hematology with Stem Cell Transplantation, Hemostaseology and Medical Oncology, 4020 Linz, Austria
- Medical Faculty, Johannes Kepler University, 4020 Linz, Austria
| | - Christoph Aichinger
- Ordensklinikum Linz-Elisabethinen, Department of Internal Medicine I: Hematology with Stem Cell Transplantation, Hemostaseology and Medical Oncology, 4020 Linz, Austria
| | - Michaela Binder
- Ordensklinikum Linz-Elisabethinen, Department of Internal Medicine I: Hematology with Stem Cell Transplantation, Hemostaseology and Medical Oncology, 4020 Linz, Austria
| | - Petra Hasengruber
- Ordensklinikum Linz-Elisabethinen, Department of Internal Medicine I: Hematology with Stem Cell Transplantation, Hemostaseology and Medical Oncology, 4020 Linz, Austria
| | - Emine Kaynak
- Ordensklinikum Linz-Elisabethinen, Department of Internal Medicine I: Hematology with Stem Cell Transplantation, Hemostaseology and Medical Oncology, 4020 Linz, Austria
| | - Dagmar Wipplinger
- Ordensklinikum Linz-Elisabethinen, Department of Internal Medicine I: Hematology with Stem Cell Transplantation, Hemostaseology and Medical Oncology, 4020 Linz, Austria
| | - Robert Milanov
- Ordensklinikum Linz-Elisabethinen, Department of Internal Medicine I: Hematology with Stem Cell Transplantation, Hemostaseology and Medical Oncology, 4020 Linz, Austria
| | - Irene Strassl
- Ordensklinikum Linz-Elisabethinen, Department of Internal Medicine I: Hematology with Stem Cell Transplantation, Hemostaseology and Medical Oncology, 4020 Linz, Austria
- Medical Faculty, Johannes Kepler University, 4020 Linz, Austria
| | - Olga Stiefel
- Ordensklinikum Linz-Elisabethinen, Department of Internal Medicine I: Hematology with Stem Cell Transplantation, Hemostaseology and Medical Oncology, 4020 Linz, Austria
- Medical Faculty, Johannes Kepler University, 4020 Linz, Austria
| | - Sigrid Machherndl-Spandl
- Ordensklinikum Linz-Elisabethinen, Department of Internal Medicine I: Hematology with Stem Cell Transplantation, Hemostaseology and Medical Oncology, 4020 Linz, Austria
- Medical Faculty, Johannes Kepler University, 4020 Linz, Austria
| | - Andreas Petzer
- Ordensklinikum Linz-Elisabethinen, Department of Internal Medicine I: Hematology with Stem Cell Transplantation, Hemostaseology and Medical Oncology, 4020 Linz, Austria
- Medical Faculty, Johannes Kepler University, 4020 Linz, Austria
| | - Ansgar Weltermann
- Ordensklinikum Linz-Elisabethinen, Department of Internal Medicine I: Hematology with Stem Cell Transplantation, Hemostaseology and Medical Oncology, 4020 Linz, Austria
- Medical Faculty, Johannes Kepler University, 4020 Linz, Austria
| | - Johannes Clausen
- Ordensklinikum Linz-Elisabethinen, Department of Internal Medicine I: Hematology with Stem Cell Transplantation, Hemostaseology and Medical Oncology, 4020 Linz, Austria
- Medical Faculty, Johannes Kepler University, 4020 Linz, Austria
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2
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Al Saleh AS, Alghamdi AI, Alzahrani M, Alahmari B, Alhejazi A, Alaskar A, Alsadi H, Alkhraisat S, Shehab-Eddine I, Damlaj M. Rates and predictors of infusion-related reactions in patients receiving standard versus prolonged infusion of rabbit anti-thymocyte globulin for hematopoietic stem cell transplantation, a retrospective analysis. Bone Marrow Transplant 2022; 57:1201-1203. [PMID: 35501564 DOI: 10.1038/s41409-022-01694-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 04/18/2022] [Accepted: 04/21/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Abdullah S Al Saleh
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia. .,King Abdullah International Medical Research Center, Riyadh, Saudi Arabia. .,Division of Hematology & HSCT, Department of Oncology, King Abdulaziz Medical City, Ministry of National Guard-Health Affairs, Riyadh, Saudi Arabia. .,Saudi Society of Blood & Marrow Transplantation (SSBMT), Riyadh, Saudi Arabia.
| | - Abdulrahman I Alghamdi
- Division of Hematology & HSCT, Department of Oncology, King Abdulaziz Medical City, Ministry of National Guard-Health Affairs, Riyadh, Saudi Arabia. .,Pharmaceutical care services, division of clinical pharmacy, King Abdulaziz Medical City, Ministry of National Guard-Health Affairs, Riyadh, Saudi Arabia.
| | - Mohsen Alzahrani
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia.,King Abdullah International Medical Research Center, Riyadh, Saudi Arabia.,Division of Hematology & HSCT, Department of Oncology, King Abdulaziz Medical City, Ministry of National Guard-Health Affairs, Riyadh, Saudi Arabia.,Saudi Society of Blood & Marrow Transplantation (SSBMT), Riyadh, Saudi Arabia
| | - Bader Alahmari
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia.,King Abdullah International Medical Research Center, Riyadh, Saudi Arabia.,Division of Hematology & HSCT, Department of Oncology, King Abdulaziz Medical City, Ministry of National Guard-Health Affairs, Riyadh, Saudi Arabia.,Saudi Society of Blood & Marrow Transplantation (SSBMT), Riyadh, Saudi Arabia
| | - Ayman Alhejazi
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia.,King Abdullah International Medical Research Center, Riyadh, Saudi Arabia.,Division of Hematology & HSCT, Department of Oncology, King Abdulaziz Medical City, Ministry of National Guard-Health Affairs, Riyadh, Saudi Arabia.,Saudi Society of Blood & Marrow Transplantation (SSBMT), Riyadh, Saudi Arabia
| | - Ahmed Alaskar
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia.,King Abdullah International Medical Research Center, Riyadh, Saudi Arabia.,Division of Hematology & HSCT, Department of Oncology, King Abdulaziz Medical City, Ministry of National Guard-Health Affairs, Riyadh, Saudi Arabia.,Saudi Society of Blood & Marrow Transplantation (SSBMT), Riyadh, Saudi Arabia
| | - Husam Alsadi
- King Abdullah International Medical Research Center, Riyadh, Saudi Arabia.,Division of Hematology & HSCT, Department of Oncology, King Abdulaziz Medical City, Ministry of National Guard-Health Affairs, Riyadh, Saudi Arabia.,Saudi Society of Blood & Marrow Transplantation (SSBMT), Riyadh, Saudi Arabia
| | - Suha Alkhraisat
- Division of Hematology & HSCT, Department of Oncology, King Abdulaziz Medical City, Ministry of National Guard-Health Affairs, Riyadh, Saudi Arabia
| | - Inaam Shehab-Eddine
- Division of Hematology & HSCT, Department of Oncology, King Abdulaziz Medical City, Ministry of National Guard-Health Affairs, Riyadh, Saudi Arabia
| | - Moussab Damlaj
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia.,King Abdullah International Medical Research Center, Riyadh, Saudi Arabia.,Division of Hematology & HSCT, Department of Oncology, King Abdulaziz Medical City, Ministry of National Guard-Health Affairs, Riyadh, Saudi Arabia.,Saudi Society of Blood & Marrow Transplantation (SSBMT), Riyadh, Saudi Arabia
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3
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Seo J, Shin DY, Koh Y, Kim I, Yoon SS, Min Byun J, Hong J. Association between preconditioning absolute lymphocyte count and transplant outcomes in patients undergoing matched unrelated donor allogeneic hematopoietic stem cell transplantation with reduced-intensity conditioning and anti-thymocyte globulin. Ther Adv Hematol 2022; 12:20406207211063783. [PMID: 34987742 PMCID: PMC8721408 DOI: 10.1177/20406207211063783] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 11/08/2021] [Indexed: 11/23/2022] Open
Abstract
Background: Allogeneic stem cell transplantation (alloSCT) offers cure chance for various hematologic malignancies, but graft-versus-host disease (GVHD) remains a major impediment. Anti-thymocyte globulin (ATG) is used for prophylactic T-cell depletion and GVHD prevention, but there are no clear guidelines for the optimal dosing of ATG. It is suspected that for patients with low absolute lymphocyte counts (ALCs), current weight-based dosing of ATG can be excessive, which can result in profound T-cell depletion and poor transplant outcome. Methods: The objective of the study is to evaluate the association of low preconditioning ALC with outcomes in patients undergoing matched unrelated donor (MUD) alloSCT with reduced-intensity conditioning (RIC) and ATG. We conducted a single-center retrospective longitudinal cohort study of acute leukemia and myelodysplastic syndrome patients over 18 years old undergoing alloSCT. In total, 64 patients were included and dichotomized into lower ALC and higher ALC groups with the cutoff of 500/μl on D-7. Results: Patients with preconditioning ALC <500/μl were associated with shorter overall survival (OS) and higher infectious mortality. The incidence of acute GVHD and moderate-severe chronic GVHD as well as relapse rates did not differ according to preconditioning ALC. In multivariate analyses, low preconditioning ALC was recognized as an independent adverse prognostic factor for OS. Conclusion: Patients with lower ALC are exposed to excessive dose of ATG, leading to profound T-cell depletion that results in higher infectious mortality and shorter OS. Our results call for the implementation of more creative dosing regimens for patients with low preconditioning ALC.
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Affiliation(s)
- Jeongmin Seo
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Korea
| | - Dong-Yeop Shin
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Korea
| | - Youngil Koh
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Korea
| | - Inho Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Korea
| | - Sung-Soo Yoon
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Korea
| | - Ja Min Byun
- Department of Internal Medicine, Seoul National University Hospital 101, Daehak-ro, Jongro-gu, Seoul 03080, Republic of Korea
| | - Junshik Hong
- Department of Internal Medicine, Seoul National University Hospital 101, Daehak-ro, Jongno-gu, Seoul 03080, Republic of Korea
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4
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Zhou X, Cai Y, Yang J, Tong Y, Qiu H, Huang C, Zhou K, Xu X, Niu J, Xia X, Zhang Y, Shen C, Wei Y, Song X, Wan L. Lower Absolute Lymphocyte Count Before Conditioning Predicts High Relapse Risk in Patients After Haploidentical Peripheral Blood Stem Cell Transplantation With Low Dose Anti-Thymocyte Globulin/Post-Transplant Cyclophosphamide for GvHD Prophylaxis. Cell Transplant 2022; 31:9636897221079739. [PMID: 35225024 PMCID: PMC8894976 DOI: 10.1177/09636897221079739] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Standard anti-thymocyte globulin (ATG) weight-based dosing often resulted in highly variable ATG exposure, which had profound effects on relapse and survival, especially in recipients with relatively low absolute lymphocyte count (ALC) before conditioning. Data regarding rabbit ATG pharmacokinetics and pharmacodynamics in the setting of HLA-haploidentical peripheral blood stem cell transplantation (haplo-PBSCT) is lacking. We conducted a retrospective study on 90 consecutive patients who underwent haplo-PBSCT with low dose rabbit ATG (5 mg/kg) plus low dose post-transplant cyclophosphamide (50 mg/kg) based regimen for graft-versus-host disease (GvHD) prophylaxis. We compared serum concentration of ATG and post-transplant results between patients with ALC<500/μl and ALC≥500/μl before conditioning. Patients with ALC<500/μl had higher ATG concentrations, delayed immune reconstitution, lower incidence of grade II-IV acute GvHD (0 vs. 19.42%, P = 0.043), higher risk of Epstein-Barr virus infection within 100 days post-transplant (47.78% vs. 22.22%, P = 0.020) and 1-year relapse rate (33.33% vs.11.59%, P = 0.041), and lower 1-year overall survival (OS) (52.38% vs.79.71%, P = 0.004), 1-year relapse free survival (RFS) (47.62% vs. 75.36% for RFS, P = 0.014), and 1-year GvHD free relapse-free survival (GRFS) (42.89% vs. 65.22%, P = 0.043). ALC<500/μl before conditioning was a significant poor risk factor for relapse, OS, RFS, and GRFS.
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Affiliation(s)
- Xiao Zhou
- Department of Hematology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Engineering Technology Research Center of Cell Therapy and Clinical Translation, Shanghai Science and Technology Committee (STCSM), Shanghai, China
| | - Yu Cai
- Department of Hematology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Engineering Technology Research Center of Cell Therapy and Clinical Translation, Shanghai Science and Technology Committee (STCSM), Shanghai, China
| | - Jun Yang
- Department of Hematology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Engineering Technology Research Center of Cell Therapy and Clinical Translation, Shanghai Science and Technology Committee (STCSM), Shanghai, China
| | - Yin Tong
- Department of Hematology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Engineering Technology Research Center of Cell Therapy and Clinical Translation, Shanghai Science and Technology Committee (STCSM), Shanghai, China
| | - Huiying Qiu
- Department of Hematology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Engineering Technology Research Center of Cell Therapy and Clinical Translation, Shanghai Science and Technology Committee (STCSM), Shanghai, China
| | - Chongmei Huang
- Department of Hematology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Engineering Technology Research Center of Cell Therapy and Clinical Translation, Shanghai Science and Technology Committee (STCSM), Shanghai, China
| | - Kun Zhou
- Department of Hematology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Engineering Technology Research Center of Cell Therapy and Clinical Translation, Shanghai Science and Technology Committee (STCSM), Shanghai, China
| | - Xiaowei Xu
- Department of Hematology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Engineering Technology Research Center of Cell Therapy and Clinical Translation, Shanghai Science and Technology Committee (STCSM), Shanghai, China
| | - Jiahua Niu
- Department of Hematology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Engineering Technology Research Center of Cell Therapy and Clinical Translation, Shanghai Science and Technology Committee (STCSM), Shanghai, China
| | - Xinxin Xia
- Department of Hematology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Engineering Technology Research Center of Cell Therapy and Clinical Translation, Shanghai Science and Technology Committee (STCSM), Shanghai, China
| | - Ying Zhang
- Department of Hematology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Engineering Technology Research Center of Cell Therapy and Clinical Translation, Shanghai Science and Technology Committee (STCSM), Shanghai, China
| | - Chang Shen
- Department of Hematology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Engineering Technology Research Center of Cell Therapy and Clinical Translation, Shanghai Science and Technology Committee (STCSM), Shanghai, China
| | - Yu Wei
- Department of Hematology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Engineering Technology Research Center of Cell Therapy and Clinical Translation, Shanghai Science and Technology Committee (STCSM), Shanghai, China
| | - Xianmin Song
- Department of Hematology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Engineering Technology Research Center of Cell Therapy and Clinical Translation, Shanghai Science and Technology Committee (STCSM), Shanghai, China
| | - Liping Wan
- Department of Hematology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Engineering Technology Research Center of Cell Therapy and Clinical Translation, Shanghai Science and Technology Committee (STCSM), Shanghai, China
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5
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Shiratori S, Kurata M, Sugita J, Ota S, Kasahara S, Ishikawa J, Imada K, Onishi Y, Ishiyama K, Ashida T, Kanda Y, Ichinohe T, Fukuda T, Atsuta Y, Teshima T. Graft-Versus-Host Disease Prophylaxis Using Low-Dose Antithymocyte Globulin in Peripheral Blood Stem Cell Transplantation-A Matched-Pair Analysis. Transplant Cell Ther 2021; 27:995.e1-995.e6. [PMID: 34500126 DOI: 10.1016/j.jtct.2021.08.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 08/27/2021] [Accepted: 08/31/2021] [Indexed: 10/20/2022]
Abstract
Antithymocyte globulin (ATG) decreases chronic graft-versus-host disease (cGVHD) in peripheral blood stem cell transplantation (PBSCT); however, the optimal ATG dose has not been elucidated. We conducted a matched-pair analysis to evaluate whether low-dose ATG could inhibit cGVHD in HLA-matched PBSCT after myeloablative conditioning. A total of 70 patients who were enrolled in the JSCT-ATG15 study, a multicenter phase II clinical trial of 2 mg/kg of ATG (thymoglobulin) given on days -2 and -1, were compared with 210 patients not receiving ATG, who were matched for age, sex, disease, and calcineurin inhibitor selected from the database in Japan. The primary endpoint, cumulative incidence of extensive cGVHD at 2 years was significantly less in the ATG group than that in the non-ATG group (8.7% [95% CI, 3.5%-16.8%] versus 26.2% [95% CI, 20.3%-32.5%], P = .002). ATG significantly reduced the incidence of overall cGVHD and inhibited multiple organ involvement. The ATG group had favorable outcome compared to the non-ATG group in GVHD-free, and relapse-free survival at 2 years. In conclusion, low-dose ATG effectively inhibits chronic GVHD in PBSCT.
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Affiliation(s)
- Souichi Shiratori
- Department of Hematology, Hokkaido University Hospital, Sapporo, Japan
| | - Mio Kurata
- Japanese Data Center for Hematopoietic Cell Transplantation, Nagoya, Japan
| | - Junichi Sugita
- Department of Hematology, Hokkaido University Hospital, Sapporo, Japan
| | - Shuichi Ota
- Department of Hematology, Sapporo Hokuyu Hospital, Sapporo, Japan
| | - Senji Kasahara
- Department of Hematology, Gifu Municipal Hospital, Gifu, Japan
| | - Jun Ishikawa
- Department of Hematology, Osaka International Cancer Institute, Osaka, Japan
| | - Kazunori Imada
- Department of Hematology, Japanese Red Cross Osaka Hospital, Osaka, Japan
| | - Yasushi Onishi
- Department of Hematology, Tohoku University Hospital, Sendai, Japan
| | - Ken Ishiyama
- Department of Hematology, Kanazawa University Hospital, Kanazawa, Japan
| | - Takashi Ashida
- Division of Hematology and Rheumatology, Department of Internal Medicine, Kindai University Hospital, Osakasayama, Japan
| | - Yoshinobu Kanda
- Division of Hematology, Jichi Medical University, Shimotsuke, Japan
| | - Tatsuo Ichinohe
- Department of Hematology and Oncology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Higashihiroshima, Japan
| | - Takahiro Fukuda
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - Yoshiko Atsuta
- Japanese Data Center for Hematopoietic Cell Transplantation, Nagoya, Japan; Department of Registry Science for Transplant and Cellular Therapy, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Takanori Teshima
- Department of Hematology, Hokkaido University Hospital, Sapporo, Japan; Department of Hematology, Hokkaido University Faculty of Medicine, Sapporo, Japan.
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6
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Low-dose antithymocyte globulin inhibits chronic graft-versus-host disease in peripheral blood stem cell transplantation from unrelated donors. Bone Marrow Transplant 2021; 56:2231-2240. [PMID: 33963304 DOI: 10.1038/s41409-021-01314-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 03/26/2021] [Accepted: 04/13/2021] [Indexed: 02/05/2023]
Abstract
Antithymocyte globulin (ATG) has been shown to reduce chronic graft-versus-host disease (GVHD) particularly in allogeneic peripheral blood stem cell transplantation (PBSCT) from unrelated donors; however, anti-GVHD effects of lower doses of ATG remains to be elucidated. We conducted a nationwide retrospective study to compare the outcomes of unrelated PBSCT with or without rabbit ATG (thymoglobulin) in 287 patients. A median ATG dose was 2.0 mg/kg. The primary endpoint, the cumulative incidence of moderate-severe chronic GVHD at 2 years was 22.1% in the ATG group, which was significantly less than that in the non-ATG group (36.3%, P = 0.025). The ATG group had a higher incidence of immunosuppressant discontinuation, GVHD-free, relapse-free survival, and moderate-severe chronic GVHD-free, relapse-free survival at 2 years compared to the non-ATG group. The incidences of grade III-IV aGVHD and moderate-severe chronic GVHD were significantly higher in patients with high absolute lymphocyte count (ALC) before the administration of ATG, whereas relapse rate was significantly higher in patients with low ALC before ATG. In conclusion, low-dose ATG effectively suppresses chronic GVHD in unrelated PBSCT, and ALC before ATG may be a potential predictor for GVHD and relapse.
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7
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Modi D, Kondrat K, Kim S, Deol A, Ayash L, Ratanatharathorn V, Uberti JP. Post-transplant Cyclophosphamide Versus Thymoglobulin in HLA-Mismatched Unrelated Donor Transplant for Acute Myelogenous Leukemia and Myelodysplastic Syndrome. Transplant Cell Ther 2021; 27:760-767. [PMID: 34174469 DOI: 10.1016/j.jtct.2021.06.018] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 04/11/2021] [Accepted: 06/16/2021] [Indexed: 10/21/2022]
Abstract
Limited information is available on the efficacy of post-transplantation cyclophosphamide (PTcy) or thymoglobulin for graft-versus-host disease (GVHD) prophylaxis in mismatched unrelated donor (MMUD) transplants. We retrospectively compared outcomes of 76 adult patients with acute myelogenous leukemia (AML) or myelodysplastic syndrome (MDS) who underwent 7/8 HLA-MMUD transplantation and received either PTcy (50 mg/kg on day 3 and 4) or thymoglobulin (total dose 4.5 mg/kg) for GVHD prophylaxis. In addition, tacrolimus and mycophenolate were used in both groups. Propensity score-based multivariable analyses (PSCA) were performed to adjust confounding effects of patient characteristics between both groups. Between January 2006 and June 2019, 25 patients received PTcy, and 51 received thymoglobulin. Median age of the population was 57 years, 78% of patients had AML, most common graft source was peripheral blood (96%), and 46% received myeloablative conditioning regimens. Median time to neutrophil (15 versus 11 days, P < .001) and platelet engraftment (21 versus 15 days, P = .002) was prolonged in the PTcy group. The cumulative incidence of grade III-IV acute GVHD at day 100 was similar (12% versus 19.6%, P = .38), whereas chronic GVHD at 1 year was lower with PTcy compared to thymoglobulin (16% versus 49%, P = .006). Using PSCA, no difference in survival, relapse, relapse-free survival, and GVHD-free relapse-free survival was seen between groups. However, thymoglobulin was associated with higher incidence of acute (hazard ratio [HR] = 2.63, P = .01) and chronic GVHD (HR = 4.43, P = .03), and non-relapse mortality (HR 3.38, P = .04) compared to PTcy. Our study demonstrated that PTcy resulted in significantly lower rates of acute and chronic GVHD and non-relapse mortality compared to thymoglobulin in 7/8 HLA-MMUD transplants for AML and MDS.
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Affiliation(s)
- Dipenkumar Modi
- Department of Oncology, Barbara Ann Karmanos Cancer Institute, Wayne State University, Detroit, Michigan.
| | - Kyle Kondrat
- Department of Internal Medicine and Pediatrics, DMC and Children's Hospital of Michigan, Detroit, Michigan
| | - Seongho Kim
- Biostatistics Core, Barbara Ann Karmanos Cancer Institute, Department of Oncology, Wayne State University, Detroit, Michigan
| | - Abhinav Deol
- Department of Oncology, Blood and Marrow Stem Cell Transplant Program, Barbara Ann Karmanos Cancer Institute, Wayne State University, Detroit, Michigan
| | - Lois Ayash
- Department of Oncology, Blood and Marrow Stem Cell Transplant Program, Barbara Ann Karmanos Cancer Institute, Wayne State University, Detroit, Michigan
| | - Voravit Ratanatharathorn
- Department of Oncology, Blood and Marrow Stem Cell Transplant Program, Barbara Ann Karmanos Cancer Institute, Wayne State University, Detroit, Michigan
| | - Joseph P Uberti
- Department of Oncology, Blood and Marrow Stem Cell Transplant Program, Barbara Ann Karmanos Cancer Institute, Wayne State University, Detroit, Michigan
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