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Chen X, Liu F, Ren Y, Zhang L, Wan Y, Yang W, Chen X, Zhang L, Zou Y, Chen Y, Zhu X, Guo Y. Outcome of first or second transplantation using unrelated umbilical cord blood without ATG conditioning regimen for pediatric bone marrow failure disorders. Blood Cells Mol Dis 2024; 104:102793. [PMID: 37659255 DOI: 10.1016/j.bcmd.2023.102793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 08/03/2023] [Accepted: 08/17/2023] [Indexed: 09/04/2023]
Abstract
BACKGROUND Unrelated umbilical cord blood transplantation (UCBT) for bone marrow failure (BMF) disorders using conditioning regimens without Anti-Thymocyte Globulin (ATG) has been used as an alternative transplantation for emerging patients without matched-sibling donors. Experience with this transplant modality in children is limited, especially as a secondary treatment for transplant failure patients. PROCEDURE We retrospectively reviewed 17 consecutive bone marrow failure patients who underwent unrelated umbilical cord blood transplantation in our center and received conditioning regimens of Total Body Irradiation (TBI) or Busulfan (BU) + Fludarabine (FLU) + Cyclophosphamide (CY). RESULTS Among the 17 BMF patients, 15 patients were treated with first cord blood transplantation and another 2 with secondary cord blood transplantation because of graft failure after first haploidentical stem cell transplantation at days +38 and +82. All patients engrafted with a median donor cell chimerism of 50 % at days +7 (range, 16 %-99.95 %) and finally rose to 100 % at days +30. Median time to neutrophil engraftment was 19 days (range, 12-30) and time to platelet engraftment was 32 days (range, 18-61). Pre-engraftment syndrome (PES) was found in 16 patients (94.11 %, 16/17). Cumulative incidence of grades II to IV acute GVHD was 58.8 % (95 % CI: 32.7-84.9 %), and 17.6 % (95 % CI: 2.6-37.9 %) of patients developed chronic GVHD. The 3-year overall survival (OS) and failure-free survival (FFS) rates were 92.86 ± 6.88 %. CONCLUSION UCBT is an effective alternative treatment for bone marrow failure pediatric patients. TBI/BU + FLU + CY regimen ensure a high engraftment rate for unrelated umbilical cord blood transplantation, which overcomes the difficulty of graft failure. Secondary salvage use of cord blood transplantation may still be useful for patients who have failed after other transplantation.
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Affiliation(s)
- Xia Chen
- Department of Pediatrics, State Key Laboratory of Experimental Haematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Fang Liu
- Department of Pediatrics, State Key Laboratory of Experimental Haematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Yuanyuan Ren
- Department of Pediatrics, State Key Laboratory of Experimental Haematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Luyang Zhang
- Department of Pediatrics, State Key Laboratory of Experimental Haematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Yang Wan
- Department of Pediatrics, State Key Laboratory of Experimental Haematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Wenyu Yang
- Department of Pediatrics, State Key Laboratory of Experimental Haematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Xiaojuan Chen
- Department of Pediatrics, State Key Laboratory of Experimental Haematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Li Zhang
- Department of Pediatrics, State Key Laboratory of Experimental Haematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Yao Zou
- Department of Pediatrics, State Key Laboratory of Experimental Haematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Yumei Chen
- Department of Pediatrics, State Key Laboratory of Experimental Haematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Xiaofan Zhu
- Department of Pediatrics, State Key Laboratory of Experimental Haematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Ye Guo
- Department of Pediatrics, State Key Laboratory of Experimental Haematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China.
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Ma R, Liu XT, Chang YJ. Allogeneic haematopoietic stem cell transplantation for acute lymphoblastic leukaemia: current status and future directions mainly focusing on a Chinese perspective. Expert Rev Hematol 2022; 15:789-803. [DOI: 10.1080/17474086.2022.2125375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Rui Ma
- Peking University People’s Hospital & Peking University Institute of Hematology
- National Clinical Research Center for Hematologic Disease
- Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Xin-Tong Liu
- Peking University People’s Hospital & Peking University Institute of Hematology
- National Clinical Research Center for Hematologic Disease
- Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Ying-Jun Chang
- Peking University People’s Hospital & Peking University Institute of Hematology
- National Clinical Research Center for Hematologic Disease
- Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
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Kawahara Y, Ishimaru S, Tanaka J, Kako S, Hirayama M, Kanaya M, Ishida H, Sato M, Kobayashi R, Kato M, Goi K, Saito S, Koga Y, Hashii Y, Kato K, Sato A, Atsuta Y, Sakaguchi H. Impact of KIR-ligand mismatch on pediatric T-cell acute lymphoblastic leukemia in unrelated cord blood transplantation. Transplant Cell Ther 2022; 28:598.e1-598.e8. [PMID: 35660064 DOI: 10.1016/j.jtct.2022.05.037] [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: 03/27/2022] [Revised: 05/07/2022] [Accepted: 05/24/2022] [Indexed: 11/17/2022]
Abstract
BACKGROUND Currently, allogeneic hematopoietic stem cell transplantation (allo-HSCT) is considered to be indicated for children and adolescents with high-risk or relapsed T-cell acute lymphoblastic leukemia (T-ALL); however, the outcomes are unsatisfactory. Killer cell immunoglobulin-like receptors (KIRs) are the main receptors on natural killer (NK) cells that play an important role in the graft-versus-leukemia effect after allo-HSCT. In allo-HSCT, when the recipient lacks a donor KIR-ligand (KIR-ligand mismatch in the graft-versus-host [GVH] direction), donor NK cells will be activated against recipient cells. KIR-ligand mismatch in the GVH direction improves outcomes after unrelated cord blood transplantation (UCBT) with acute myeloid leukemia, but the effect in T-ALL is unclear. OBJECTIVE We evaluated the impact of KIR-ligand mismatch in the GVH direction on the transplant outcomes of children and adolescents with T-ALL who received UCBT. STUDY DESIGN We conducted a retrospective study using a nationwide registry of the Japanese Society for Transplantation and Cellular Therapy. Patients diagnosed with T-ALL, aged 0-19 years, and underwent first UCBT between 1999 and 2017 were included. RESULTS A total of 91 patients were included in this study. In all, 23 (25.3%) percent of patients had KIR-ligand mismatch in the GVH direction. The 5-year leukemia-free survival (LFS) and overall survival (OS) rates after UCBT were 65.8% and 69.6%, respectively. In a multivariate analysis, KIR-ligand mismatch in the GVH direction was associated with a significant reduction in the relapse rate (hazard ratio [HR], 0.19; P = 0.002), resulting in better LFS (HR, 0.18; P = 0.010) and OS (HR, 0.26; P = 0.048) without increasing non-relapse mortality (NRM; HR, 1.90; P = 0.264). The cumulative incidence of GVH disease (GVHD) did not differ between patients with and without KIR-ligand mismatch (grade II-IV acute GVHD, 39.1% versus 36.8%, P = 0.648, grade III-IV acute GVHD, 13.0% versus 11.8%, P = 0.857, and chronic GVHD, 26.1% versus 22.9%, P = 0.736, respectively). Furthermore, acute and chronic GVHD were not associated with good patient outcomes. Notably, no relapse was observed in patients who received KIR-ligand mismatched UCBT in complete remission. CONCLUSION KIR-ligand mismatch in the GVH direction improved LFS and decreased relapse rates without increasing NRM in children and adolescents with T-ALL who received UCBT, which was not mediated by GVHD.
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Affiliation(s)
- Yuta Kawahara
- Department of Pediatrics, Jichi Medical University School of Medicine, Shimotsuke, Japan.
| | - Sae Ishimaru
- Department of Pediatric Oncology, National Cancer Center Hospital, Tokyo, Japan; Trial and Data Center, Princess Máxima Center, Utrecht, the Netherlands
| | - Junji Tanaka
- Department of Hematology, Tokyo Women's Medical University, Tokyo, Japan
| | - Shinichi Kako
- Division of Hematology, Jichi Medical University Saitama Medical Center, Saitama, Japan
| | - Masahiro Hirayama
- Department of Pediatrics, Mie University Graduate School of Medicine, Tsu, Japan
| | - Minoru Kanaya
- Department of Cancer Immunology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway; Department of Hematology, Hokkaido University Hospital, Sapporo, Japan
| | - Hisashi Ishida
- Department of Pediatrics, Okayama University Hospital, Okayama, Japan
| | - Maho Sato
- Department of Hematology/Oncology, Osaka Women's and Children's Hospital, Izumi, Japan
| | - Ryoji Kobayashi
- Department of Hematology/Oncology for Children and Adolescents, Sapporo Hokuyu Hospital, Sapporo, Japan
| | - Motohiro Kato
- Department of Pediatrics, The University of Tokyo Hospital, Tokyo, Japan
| | - Kumiko Goi
- Department of Pediatrics, Faculty of Medicine, University of Yamanashi, Chuo, Japan
| | - Shoji Saito
- Department of Pediatrics, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yuhki Koga
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshiko Hashii
- Department of Pediatrics, Osaka International Cancer Institute, Osaka, Japan
| | - Koji Kato
- Central Japan Cord Blood Bank, Seto, Japan
| | - Atsushi Sato
- Department of Hematology/Oncology, Miyagi Children's Hospital, Sendai, Japan
| | - Yoshiko Atsuta
- Japanese Data Center for Hematopoietic Cell Transplantation, Nagakute, Japan; Department of Registry Science for Transplant and Cellular Therapy, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Hirotoshi Sakaguchi
- Children's Cancer Center, National Center for Child Health and Development, Tokyo, Japan
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Unrelated donor α/β T-cell and B-cell-depleted HSCT for the treatment of pediatric acute leukemia. Blood Adv 2021; 6:1175-1185. [PMID: 34872106 PMCID: PMC8864664 DOI: 10.1182/bloodadvances.2021005492] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 11/15/2021] [Indexed: 12/02/2022] Open
Abstract
URD HSCT with TCRαβ/CD19 depletion is a safe and effective approach to alternative donor transplantation for hematologic malignancies. Nonpermissive mismatch at DP was associated with a 16.5-fold risk of acute GVHD and may represent a modifiable target to mitigate GVHD risk.
Unrelated donor (URD) hematopoietic stem cell transplant (HSCT) is associated with an increased risk of severe graft-versus-host disease (GVHD). TCRαβ/CD19 depletion may reduce this risk, whereas maintaining graft-versus-leukemia. Outcome data with TCRαβ/CD19 depletion generally describe haploidentical donors, with relatively few URDs. We hypothesized that TCRαβ/CD19-depletion would attenuate the risks of GVHD and relapse for URD HSCT. Sixty pediatric and young adult (YA) patients with hematologic malignancies who lacked a matched-related donor were enrolled at 2 large pediatric transplantation centers between October 2014 and September 2019. All patients with acute leukemia had minimal residual disease testing, and DP typing was available for 77%. All patients received myeloablative total body irradiation– or busulfan-based conditioning with no posttransplant immune suppression. Engraftment occurred in 98%. Four-year overall survival was 69% (95% confidence interval [CI], 52%-81%), and leukemia-free survival was 64% (95% CI, 48%-76%), with no difference between lymphoid and myeloid malignancies (P = .6297 and P = .5441, respectively). One patient (1.7%) experienced primary graft failure. Relapse occurred in 11 patients (3-year cumulative incidence, 21%; 95% CI, 11-34), and 8 patients (cumulative incidence, 15%; 95% CI, 6.7-26) experienced nonrelapse mortality. Grade III to IV acute GVHD was seen in 8 patients (13%), and 14 patients (26%) developed chronic GVHD, of which 6 (11%) had extensive disease. Nonpermissive DP mismatch was associated with higher likelihood of acute GVHD (odds ratio, 16.50; 95% CI, 1.67-163.42; P = .0166) but not with the development of chronic GVHD. URD TCRαβ/CD19-depleted peripheral HSCT is a safe and effective approach to transplantation for children/YAs with leukemia. This trial was registered at www.clinicaltrials.gov as #NCT02323867.
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