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Tu Y, Zhang J, Zhao M, He F. Nomogram establishment for short-term survival prediction in ICU patients with aplastic anemia based on the MIMIC-IV database. Hematology 2024; 29:2339778. [PMID: 38625693 DOI: 10.1080/16078454.2024.2339778] [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: 01/24/2024] [Accepted: 03/27/2024] [Indexed: 04/17/2024] Open
Abstract
OBJECTIVE To establish an efficient nomogram model to predict short-term survival in ICU patients with aplastic anemia (AA). METHODS The data of AA patients in the MIMIC-IV database were obtained and randomly assigned to the training set and testing set in a ratio of 7:3. Independent prognosis factors were identified through univariate and multivariate Cox regression analyses. The variance inflation factor was calculated to detect the correlation between variables. A nomogram model was built based on independent prognostic factors and risk scores for factors were generated. Model performance was tested using C-index, receiver operating characteristic (ROC) curve, calibration curve, decision curve analysis (DCA) and Kaplan-Meier curve. RESULTS A total of 1,963 AA patients were included. A nomogram model with 7 variables was built, including SAPS II, chronic pulmonary obstructive disease, body temperature, red cell distribution width, saturation of peripheral oxygen, age and mechanical ventilation. The C-indexes in the training set and testing set were 0.642 and 0.643 respectively, indicating certain accuracy of the model. ROC curve showed favorable classification performance of nomogram. The calibration curve reflected that its probabilistic prediction was reliable. DCA revealed good clinical practicability of the model. Moreover, the Kaplan-Meier curve showed that receiving mechanical ventilation could improve the survival status of AA patients in the short term but did not in the later period. CONCLUSION The nomogram model of the short-term survival rate of AA patients was built based on clinical characteristics, and early mechanical ventilation could help improve the short-term survival rate of patients.
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Affiliation(s)
- Yan Tu
- Department of Hematology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, People's Republic of China
| | - Jingcheng Zhang
- Department of Hematology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, People's Republic of China
| | - Mingzhe Zhao
- Department of Hematology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, People's Republic of China
| | - Fang He
- Department of Hematology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, People's Republic of China
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2
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Ye M, Liu T, Mao X, Tan X, Wang J, Xu M. Effectiveness of exercise rehabilitation on aplastic anemia patients receiving hematopoietic stem cell transplantation: study protocol for a randomized controlled trial. Trials 2024; 25:361. [PMID: 38840199 PMCID: PMC11151474 DOI: 10.1186/s13063-024-08197-4] [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: 03/06/2024] [Accepted: 05/24/2024] [Indexed: 06/07/2024] Open
Abstract
BACKGROUND Although hematopoietic stem cell transplantation provides the chances of survival for aplastic anemia patients, it is also related to many treatment-related physical and psychological side effects that severely influence the quality of life. Exercise interventions have shown positive results in mixed hematology populations. The study aims to determine the effectiveness of exercise rehabilitation in improving the quality of life, fatigue, and physical function in these patients. METHODS The study will enroll a total of 82 aplastic anemia patients receiving hematopoietic stem cell transplantation. They will be randomly divided into two groups in a 1:1 ratio. The intervention group will participate in structured exercise rehabilitation (plus usual care), while control group participants will receive usual care. The exercise rehabilitation program will be performed from neutrophil and platelet engraftment until 100 days after transplantation. All outcomes will be measured at the following time points: the neutrophil and platelet engraftment (± 1day, T0), discharge from the transplantation module (± 1 day, T1), hospital discharge (± 1 day, T2), and 100 days post-transplantation (± 5 days, T3). DISCUSSION This study aims to assess the effectiveness of exercise rehabilitation for aplastic anemia patients receiving hematopoietic stem cell transplantation in a Chinese single center. It is particularly vital to conduct the studies in this population. Moreover, the evidence obtained from the study will provide evidence for future research and clinical practice to exercise in aplastic anemia patients. TRIAL REGISTRATION ChiCTR2200060762. Registered on May 2022, www.trialregister.nl/trial/7702.
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Affiliation(s)
- Menghua Ye
- Department of Hematology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, China
| | - Ting Liu
- The College of Nursing, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xiaopei Mao
- Department of Hematology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, China
| | - Xiaoxue Tan
- Department of Orthopedics, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, China
| | - Jin Wang
- Department of Rehabilitation, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, China
| | - Min Xu
- Department of Nursing, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), 54 Youdian Road, Shangcheng District, Hangzhou City, Zhejiang Province, People's Republic of China.
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3
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Chattopadhyay S, Lionel S, Selvarajan S, Devasia AJ, Korula A, Kulkarni U, Aboobacker FN, Lakshmi KM, Srivastava A, Mathews V, Abraham A, George B. Relapse and transformation to myelodysplastic syndrome and acute myeloid leukemia following immunosuppressive therapy for aplastic anemia is more common as compared to allogeneic stem cell transplantation with a negative impact on survival. Ann Hematol 2024; 103:749-758. [PMID: 38242970 DOI: 10.1007/s00277-024-05621-2] [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: 08/29/2023] [Accepted: 01/08/2024] [Indexed: 01/21/2024]
Abstract
We studied the incidence of relapse, transformation to myelodysplastic syndrome/acute myeloid leukemia, and survival in patients with aplastic anemia (AA) surviving more than 1 year after ATG/ALG-based immunosuppressive therapy (IST) between 1985 and 2020. Four-hundred seventy patients (413 adults and 57 children) were studied, and data were compared with 223 patients who underwent matched sibling donor transplant (MSD HSCT). Median follow-up is 50 months (12-359). Relapse occurred in 21.9% at a median time of 33.5 months (5-228) post IST. Twenty-six (5.5%) patients progressed to PNH, while 20 (4.3%) evolved to MDS/AML. Ten-year estimated overall survival (OS) is 80.9 ± 3% and was significantly better in patients without an event (85.1 ± 4%) compared to relapse (74.6% ± 6.2%) or clonal evolution (12.8% ± 11.8%) (p = 0.024). While the severity of AA (p = 0.011) and type of ATG (p = 0.028) used predicted relapse, only age at IST administration influenced clonal evolution (p = 0.018). Among HSCT recipients, relapse rates were 4.9% with no clonal evolution, and the 10-year OS was 94.5 ± 2%. In patients who survived 1 year following IST, outcomes were good except with clonal evolution to MDS/AML. These outcomes, however, were still inferior compared to matched sibling donor HSCT.
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Affiliation(s)
| | - Sharon Lionel
- Department of Haematology, Christian Medical College, Vellore, India
| | - Sushil Selvarajan
- Department of Haematology, Christian Medical College, Vellore, India
| | - Anup J Devasia
- Department of Haematology, Christian Medical College, Vellore, India
| | - Anu Korula
- Department of Haematology, Christian Medical College, Vellore, India
| | - Uday Kulkarni
- Department of Haematology, Christian Medical College, Vellore, India
| | | | - Kavitha M Lakshmi
- Department of Haematology, Christian Medical College, Vellore, India
| | - Alok Srivastava
- Department of Haematology, Christian Medical College, Vellore, India
| | - Vikram Mathews
- Department of Haematology, Christian Medical College, Vellore, India
| | - Aby Abraham
- Department of Haematology, Christian Medical College, Vellore, India
| | - Biju George
- Department of Haematology, Christian Medical College, Vellore, India.
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4
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Jain A, Jandial A, Mani T, Kishore K, Singh C, Lad D, Prakash G, Khadwal A, Das R, Varma N, Varma S, Malhotra P. Comparable outcomes with low-dose and standard-dose horse anti-thymocyte globulin in the treatment of severe aplastic anemia. Blood Res 2024; 59:6. [PMID: 38485832 PMCID: PMC10903521 DOI: 10.1007/s44313-024-00003-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 01/10/2024] [Indexed: 03/18/2024] Open
Abstract
BACKGROUND The standard dose (SD) of horse anti-thymocyte globulin (hATG) ATGAM (Pfizer, USA) or its biosimilar thymogam (Bharat Serum, India) for the treatment of Aplastic Anemia (AA) is 40 mg/kg/day for 4 days in combination with cyclosporine. Data on the impact of hATG dose on long-term outcomes are limited. Here, we describe our comparative experience using 25 mg/kg/day (low-dose [LD]) hATG for 4 days with SD for the treatment of AA. METHODS We retrospectively studied patients with AA (age > 12 years) who received two doses of hATG combined with cyclosporine. Among 93 AA patients who received hATG, 62 (66.7%) and 31 (33.3%) patients received LD and SD hATG with cyclosporine, respectively. Among these,seventeen(18.2%) patients also received eltrombopag with hATG and cyclosporine. Overall response rates [complete response (CR) and partial response (PR)] of LD and SD hATG groups at 3 months (50% vs. 48.4%; p = 0.88), 6 months (63.8% vs. 71.4%; p = 0.67), and 12 months (69.6% vs. 79.2%; p = 0.167) were comparable. The mean (Standard Deviation) 5-year Kaplan-Meier estimate of overall survival and event-free survival was 82.1 (4.6)% and 70.9 (5.5)% for the study population. The mean (standard deviation) 5-year Kaplan-Meier estimate of overall survival and event-free survival of those who received LD hATG versus SD hATG dose was 82.9 (5·3)% versus 74.8 (10·3)% (P = 0·439), and 75.2 (6.2)% versus 61.4(11.2)% (P = 0·441). CONCLUSION Our study revealed that the response rates of patients with AA and LD were similar to those of patients with SD to hATG combined with cyclosporine in a real-world setting.
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Affiliation(s)
- Arihant Jain
- Department of Clinical Hematology and Medical Oncology, PGIMER, Chandigarh, 160012, India
| | - Aditya Jandial
- Department of Clinical Hematology and Medical Oncology, PGIMER, Chandigarh, 160012, India
| | - Thenmozhi Mani
- Department of Biostatistics, CMC, Vellore, Hematology, India
| | - Kamal Kishore
- Department of Biostatistics, PGIMER, Chandigarh, India
| | - Charanpreet Singh
- Department of Clinical Hematology and Medical Oncology, PGIMER, Chandigarh, 160012, India
| | - Deepesh Lad
- Department of Clinical Hematology and Medical Oncology, PGIMER, Chandigarh, 160012, India
| | - Gaurav Prakash
- Department of Clinical Hematology and Medical Oncology, PGIMER, Chandigarh, 160012, India
| | - Alka Khadwal
- Department of Clinical Hematology and Medical Oncology, PGIMER, Chandigarh, 160012, India
| | - Reena Das
- Department of Hematology, PGIMER, Chandigarh, India
| | - Neelam Varma
- Department of Hematology, PGIMER, Chandigarh, India
| | | | - Pankaj Malhotra
- Department of Clinical Hematology and Medical Oncology, PGIMER, Chandigarh, 160012, India.
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Shen Y, Li Y, Liu Q, Liu W, Yu Q, Hu H, Liu S, Dong J, Xu M, Hong Y, Chen Y, Deng S, Zhuang H, Hu Z, Lin S, Shen Y, Shen J, Zhou Y, Ye B, Wu D. Comparison of anti-thymocyte globulin-based immunosuppressive therapy and allogeneic hematopoietic stem cell transplantation in patients with transfusion-dependent non-severe aplastic anaemia: a retrospective study from a single centre. Ann Med 2023; 55:2271475. [PMID: 37871262 PMCID: PMC10595398 DOI: 10.1080/07853890.2023.2271475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 10/11/2023] [Indexed: 10/25/2023] Open
Abstract
OBJECTIVES The selection and timing of anti-thymocyte globulin (ATG)-based immunosuppressive therapy (IST) or allogeneic hematopoietic stem cell transplantation (allo-HSCT) in patients with transfusion-dependent non-severe aplastic anemia (TD-NSAA) pose significant clinical challenges. This study aims to compare the efficacy and long-term outcomes of the two treatments in TD-NSAA. METHODS Patients who underwent ATG-based IST or allo-HSCT between July 2011 and December 2019 were reviewed. We gathered their clinical information, treatment response, survival data, and subsequently analysed the associated risk factors. RESULTS A total of 97 TD-NSAA patients were reviewed, and 55 patients who underwent either ATG-based IST (n = 27) or allo-HSCT (n = 28) were enrolled. We observed a significant disparity in the 12-month overall response rate (ORR) (48.1% in IST vs 78.6% in HSCT, p < 0.05), but not in five-year overall survival (OS) and event-free survival (EFS). Multivariate Cox regression analysis identified the transfusion of ≥78.75 units of red blood cells (RBCs) as the sole independent risk factor for OS (HR: 17.04, p = 0.039) in the IST group. For the HSCT group, disease duration (DD) ≥20 months and transfusion of ≥78.75 units of RBCs predicted an adverse EFS. Frontline IST exhibited superior 12-month ORR (68.8% vs 18.2%, p = 0.018) and five-year EFS when compared to non-frontline. Patients with a DD ranging from 6 to 20 months displayed a better EFS (p = 0.016) in HSCT group than those in the ATG-based IST group. CONCLUSIONS Prior treatment history, disease duration, and serum ferritin levels should be carefully weighed when making the choice between ATG-based IST and allo-HSCT for TD-NSAA.
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Affiliation(s)
- Yingying Shen
- Department of Hematology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Yuzhu Li
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Qi Liu
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Wenbin Liu
- Department of Hematology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Qinghong Yu
- Department of Hematology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Huijin Hu
- Department of Hematology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Shan Liu
- Department of Clinical Evaluation Center, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
| | - Jingjie Dong
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Min Xu
- Department of Hospital Administration, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Yaonan Hong
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Ying Chen
- Department of Hematology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Shu Deng
- Department of Hematology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Haifeng Zhuang
- Department of Hematology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Zhiping Hu
- Department of Hematology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Shenyun Lin
- Department of Hematology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Yiping Shen
- Department of Hematology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Jianping Shen
- Department of Hematology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Yuhong Zhou
- Department of Hematology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Baodong Ye
- Department of Hematology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Dijiong Wu
- Department of Hematology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
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6
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Pan P, Chen C, Hong J, Gu Y. Autoimmune pathogenesis, immunosuppressive therapy and pharmacological mechanism in aplastic anemia. Int Immunopharmacol 2023; 117:110036. [PMID: 36940553 DOI: 10.1016/j.intimp.2023.110036] [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: 12/28/2022] [Revised: 02/26/2023] [Accepted: 03/10/2023] [Indexed: 03/23/2023]
Abstract
Acquired aplastic anemia (AA) is an autoimmune disease of bone marrow failure mediated by abnormally activated T cells, manifested by severe depletion of hematopoietic stem and progenitor cells (HSPCs) and peripheral blood cells. Due to the limitation of donors for hematopoietic stem cell transplantation, immunosuppressive therapy (IST) is currently an effective first-line treatment. However, a significant proportion of AA patients remain ineligible for IST, relapse, and develop other hematologic malignancies, such as acute myeloid leukemia after IST. Therefore, it is important to elucidate the pathogenic mechanisms of AA and to identify treatable molecular targets, which is an attractive way to improve these outcomes. In this review, we summarize the immune-related pathogenesis of AA, pharmacological targets, and clinical effects of the current mainstream immunosuppressive agents. It provides new insight into the combination of immunosuppressive drugs with multiple targets, as well as the discovery of new druggable targets based on current intervention pathways.
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Affiliation(s)
- Pengpeng Pan
- Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Institute of Clinical Pharmacology, Anhui Medical University, Hefei 230032, PR China
| | - Congcong Chen
- Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Institute of Clinical Pharmacology, Anhui Medical University, Hefei 230032, PR China
| | - Jian Hong
- Department of Hematology, The First Affiliated Hospital of Anhui Medical University, Hefei 230032, PR China
| | - Yue Gu
- Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Institute of Clinical Pharmacology, Anhui Medical University, Hefei 230032, PR China.
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Hu J, Zhang L, Zhao X, Liu X, Jing L, Zhou K, Li Y, Li Y, Li J, Ye L, Peng G, Fan H, Yang W, Yang Y, Xiong Y, Song L, Zhang F. First-line immunosuppressive therapy with rATG and CsA for severe aplastic anemia: 15 years' experience. Ann Hematol 2022; 101:2405-2412. [PMID: 36151352 DOI: 10.1007/s00277-022-04952-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 07/31/2022] [Indexed: 11/24/2022]
Abstract
Rabbit antithymocyte globulin (rATG) instead of horse ATG has been used for severe aplastic anemia (SAA) patients in China. This study aimed to investigate the hematologic responses and long-term overall survival (OS) outcomes in SAA patients who received rATG and cyclosporine as first-line immunosuppressive therapy. We analyzed data of 542 SAA patients treated with this therapy between 2005 and 2019. The median age was 20 (range, 2-80) years, and the median follow-up time was 45.5 (range, 0.1-191.4) months. The early mortality rate was 3.9%. The overall response rates (ORRs) were 40.2%, 56.1%, and 62.4% at 3, 6, and 12 months, respectively. The 6- and 12-month ORR of patients treated with 3 mg/kg/d of rATG in 2015-2019 seemed higher than that of patients treated with 3.5-3.75 mg/kg/day in 2005-2014 (60.2% vs. 54.9%, P = 0.30 and 69.9% vs. 60.1%, P = 0.049, respectively). The 10-year cumulative incidences of relapse and clonal evolution were 10.6 ± 2.9% and 7.5 ± 1.5%, respectively. The 10-year OS rate and event-free survival rate were 80.1 ± 2.1% and 75.6 ± 3.7%, respectively. Age, disease severity, treatment periods, and the interval from diagnosis to IST were independent predictors of OS. In conclusion, 3 mg/kg/day rATG is effective as first-line treatment for SAA.
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Affiliation(s)
- Jing Hu
- Anemia Therapeutic Centre, State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China
| | - Li Zhang
- Anemia Therapeutic Centre, State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China
| | - Xin Zhao
- Anemia Therapeutic Centre, State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China
| | - Xu Liu
- Anemia Therapeutic Centre, State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China
| | - Liping Jing
- Anemia Therapeutic Centre, State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China
| | - Kang Zhou
- Anemia Therapeutic Centre, State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China
| | - Yuan Li
- Anemia Therapeutic Centre, State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China
| | - Yang Li
- Anemia Therapeutic Centre, State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China
| | - Jianping Li
- Anemia Therapeutic Centre, State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China
| | - Lei Ye
- Anemia Therapeutic Centre, State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China
| | - Guangxin Peng
- Anemia Therapeutic Centre, State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China
| | - Huihui Fan
- Anemia Therapeutic Centre, State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China
| | - Wenrui Yang
- Anemia Therapeutic Centre, State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China
| | - Yang Yang
- Anemia Therapeutic Centre, State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China
| | - Youzhen Xiong
- Anemia Therapeutic Centre, State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China
| | - Lin Song
- Anemia Therapeutic Centre, State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China
| | - Fengkui Zhang
- Anemia Therapeutic Centre, State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China.
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8
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Long-term follow-up of haploidentical transplantation in relapsed/refractory severe aplastic anemia: a multicenter prospective study. Sci Bull (Beijing) 2022; 67:963-970. [PMID: 36546031 DOI: 10.1016/j.scib.2022.01.024] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/23/2021] [Accepted: 01/18/2022] [Indexed: 01/06/2023]
Abstract
In recent decades, haploidentical stem cell transplantation (haplo-SCT) to treat severe aplastic anemia (SAA) has achieved remarkable progress. However, long-term results are still lacking. We conducted a multicenter prospective study involving SAA patients who underwent haplo-SCT as salvage therapy. Long-term outcomes were assessed, mainly focusing on survival and quality of life (QoL). Longitudinal QoL was prospectively evaluated during pretransplantation and at 3 and 5 years posttransplantation using the SF-36 scale in adults and the PedsQL 4.0 scale in children. A total of 287 SAA patients were enrolled, and the median follow-up was 4.56 years (range, 3.01-9.05 years) among surviving patients. During the long-term follow-up, 268 of 275 evaluable patients (97.5%) obtained sustained full donor chimerism, and 93.4% had complete hematopoietic recovery. The estimated overall survival and failure-free survival for the whole cohort at 9 years were 85.4% ± 2.1% and 84.0% ± 2.2%, respectively. Age (≥18 years) and a poorer performance status (ECOG >1) were identified as risk factors for survival outcomes. For QoL recovery after haplo-SCT, we found that QoL progressively improved from pretransplantation to the 3-year and 5-year time points with statistical significance. The occurrence of chronic graft versus host disease was a risk factor predicting poorer QoL scores in both the child and adult cohorts. At the last follow-up, 74.0% of children and 72.9% of adults returned to normal school or work. These inspiring long-term outcomes suggest that salvage transplantation with haploidentical donors can be routine practice for SAA patients without human leukocyte antigen (HLA)-matched donors.
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Patel BA, Townsley DM, Scheinberg P. Immunosuppressive therapy in severe aplastic anemia. Semin Hematol 2022; 59:21-29. [DOI: 10.1053/j.seminhematol.2022.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/10/2022] [Accepted: 01/11/2022] [Indexed: 11/11/2022]
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Hock H, Kelly HR, Meyerowitz EA, Frigault MJ, Massoth LR. Case 31-2021: A 21-Year-Old Man with Sore Throat, Epistaxis, and Oropharyngeal Petechiae. N Engl J Med 2021; 385:1511-1520. [PMID: 34644476 PMCID: PMC8531984 DOI: 10.1056/nejmcpc2027096] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Hanno Hock
- From the Departments of Medicine (H.H., M.J.F.), Radiology (H.R.K.), and Pathology (L.R.M.), Massachusetts General Hospital, the Departments of Medicine (H.H., M.J.F.), Radiology (H.R.K.), and Pathology (L.R.M.), Harvard Medical School, and the Department of Radiology, Massachusetts Eye and Ear (H.R.K.) - all in Boston; and the Department of Medicine, Montefiore Medical Center, New York (E.A.M.)
| | - Hillary R Kelly
- From the Departments of Medicine (H.H., M.J.F.), Radiology (H.R.K.), and Pathology (L.R.M.), Massachusetts General Hospital, the Departments of Medicine (H.H., M.J.F.), Radiology (H.R.K.), and Pathology (L.R.M.), Harvard Medical School, and the Department of Radiology, Massachusetts Eye and Ear (H.R.K.) - all in Boston; and the Department of Medicine, Montefiore Medical Center, New York (E.A.M.)
| | - Eric A Meyerowitz
- From the Departments of Medicine (H.H., M.J.F.), Radiology (H.R.K.), and Pathology (L.R.M.), Massachusetts General Hospital, the Departments of Medicine (H.H., M.J.F.), Radiology (H.R.K.), and Pathology (L.R.M.), Harvard Medical School, and the Department of Radiology, Massachusetts Eye and Ear (H.R.K.) - all in Boston; and the Department of Medicine, Montefiore Medical Center, New York (E.A.M.)
| | - Matthew J Frigault
- From the Departments of Medicine (H.H., M.J.F.), Radiology (H.R.K.), and Pathology (L.R.M.), Massachusetts General Hospital, the Departments of Medicine (H.H., M.J.F.), Radiology (H.R.K.), and Pathology (L.R.M.), Harvard Medical School, and the Department of Radiology, Massachusetts Eye and Ear (H.R.K.) - all in Boston; and the Department of Medicine, Montefiore Medical Center, New York (E.A.M.)
| | - Lucas R Massoth
- From the Departments of Medicine (H.H., M.J.F.), Radiology (H.R.K.), and Pathology (L.R.M.), Massachusetts General Hospital, the Departments of Medicine (H.H., M.J.F.), Radiology (H.R.K.), and Pathology (L.R.M.), Harvard Medical School, and the Department of Radiology, Massachusetts Eye and Ear (H.R.K.) - all in Boston; and the Department of Medicine, Montefiore Medical Center, New York (E.A.M.)
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Salamonowicz-Bodzioch M, Rosa M, Frączkiewicz J, Gorczyńska E, Gul K, Janeczko-Czarnecka M, Jarmoliński T, Kałwak K, Mielcarek-Siedziuk M, Olejnik I, Owoc-Lempach J, Panasiuk A, Gajek K, Rybka B, Ryczan-Krawczyk R, Ussowicz M. Fludarabine-Cyclophosphamide-Based Conditioning with Antithymocyte Globulin Serotherapy Is Associated with Durable Engraftment and Manageable Infections in Children with Severe Aplastic Anemia. J Clin Med 2021; 10:jcm10194416. [PMID: 34640434 PMCID: PMC8509585 DOI: 10.3390/jcm10194416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/21/2021] [Accepted: 09/23/2021] [Indexed: 01/18/2023] Open
Abstract
Severe aplastic anemia (SAA) is a bone marrow failure syndrome that can be treated with hematopoietic cell transplantation (HCT) or immunosuppressive (IS) therapy. A retrospective cohort of 56 children with SAA undergoing transplantation with fludarabine-cyclophosphamide-ATG-based conditioning (FluCyATG) was analyzed. The endpoints were overall survival (OS), event-free survival (EFS), cumulative incidence (CI) of graft versus host disease (GVHD) and CI of viral replication. Engraftment was achieved in 53/56 patients, and four patients died (two due to fungal infection, and two of neuroinfection). The median time to neutrophil engraftment was 14 days and to platelet engraftment was 16 days, and median donor chimerism was above 98%. The overall incidence of acute GVHD was 41.5%, and that of grade III-IV acute GVHD was 14.3%. Chronic GVHD was diagnosed in 14.2% of children. The probability of 2-year GVHD-free survival was 76.1%. In the univariate analysis, a higher dose of cyclophosphamide and previous IS therapy were significant risk factors for worse overall survival. Episodes of viral replication occurred in 33/56 (58.9%) patients, but did not influence OS. The main advantages of FluCyATG include early engraftment with a very high level of donor chimerism, high overall survival and a low risk of viral replication after HCT.
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Affiliation(s)
- Małgorzata Salamonowicz-Bodzioch
- Department of Pediatric Oncology, Haematology and Bone Marrow Transplantation, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (M.R.); (J.F.); (E.G.); (K.G.); (M.J.-C.); (T.J.); (K.K.); (M.M.-S.); (I.O.); (J.O.-L.); (K.G.); (B.R.); (R.R.-K.); (M.U.)
- Correspondence: ; Tel.: +48-71-7332700; Fax: +48-71-7332709
| | - Monika Rosa
- Department of Pediatric Oncology, Haematology and Bone Marrow Transplantation, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (M.R.); (J.F.); (E.G.); (K.G.); (M.J.-C.); (T.J.); (K.K.); (M.M.-S.); (I.O.); (J.O.-L.); (K.G.); (B.R.); (R.R.-K.); (M.U.)
| | - Jowita Frączkiewicz
- Department of Pediatric Oncology, Haematology and Bone Marrow Transplantation, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (M.R.); (J.F.); (E.G.); (K.G.); (M.J.-C.); (T.J.); (K.K.); (M.M.-S.); (I.O.); (J.O.-L.); (K.G.); (B.R.); (R.R.-K.); (M.U.)
| | - Ewa Gorczyńska
- Department of Pediatric Oncology, Haematology and Bone Marrow Transplantation, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (M.R.); (J.F.); (E.G.); (K.G.); (M.J.-C.); (T.J.); (K.K.); (M.M.-S.); (I.O.); (J.O.-L.); (K.G.); (B.R.); (R.R.-K.); (M.U.)
| | - Katarzyna Gul
- Department of Pediatric Oncology, Haematology and Bone Marrow Transplantation, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (M.R.); (J.F.); (E.G.); (K.G.); (M.J.-C.); (T.J.); (K.K.); (M.M.-S.); (I.O.); (J.O.-L.); (K.G.); (B.R.); (R.R.-K.); (M.U.)
| | - Małgorzata Janeczko-Czarnecka
- Department of Pediatric Oncology, Haematology and Bone Marrow Transplantation, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (M.R.); (J.F.); (E.G.); (K.G.); (M.J.-C.); (T.J.); (K.K.); (M.M.-S.); (I.O.); (J.O.-L.); (K.G.); (B.R.); (R.R.-K.); (M.U.)
| | - Tomasz Jarmoliński
- Department of Pediatric Oncology, Haematology and Bone Marrow Transplantation, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (M.R.); (J.F.); (E.G.); (K.G.); (M.J.-C.); (T.J.); (K.K.); (M.M.-S.); (I.O.); (J.O.-L.); (K.G.); (B.R.); (R.R.-K.); (M.U.)
| | - Krzysztof Kałwak
- Department of Pediatric Oncology, Haematology and Bone Marrow Transplantation, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (M.R.); (J.F.); (E.G.); (K.G.); (M.J.-C.); (T.J.); (K.K.); (M.M.-S.); (I.O.); (J.O.-L.); (K.G.); (B.R.); (R.R.-K.); (M.U.)
| | - Monika Mielcarek-Siedziuk
- Department of Pediatric Oncology, Haematology and Bone Marrow Transplantation, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (M.R.); (J.F.); (E.G.); (K.G.); (M.J.-C.); (T.J.); (K.K.); (M.M.-S.); (I.O.); (J.O.-L.); (K.G.); (B.R.); (R.R.-K.); (M.U.)
| | - Igor Olejnik
- Department of Pediatric Oncology, Haematology and Bone Marrow Transplantation, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (M.R.); (J.F.); (E.G.); (K.G.); (M.J.-C.); (T.J.); (K.K.); (M.M.-S.); (I.O.); (J.O.-L.); (K.G.); (B.R.); (R.R.-K.); (M.U.)
| | - Joanna Owoc-Lempach
- Department of Pediatric Oncology, Haematology and Bone Marrow Transplantation, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (M.R.); (J.F.); (E.G.); (K.G.); (M.J.-C.); (T.J.); (K.K.); (M.M.-S.); (I.O.); (J.O.-L.); (K.G.); (B.R.); (R.R.-K.); (M.U.)
| | - Anna Panasiuk
- Department of Oncology, Hematolgy and Transplantology, University Hospital USK in Wroclaw, 50-556 Wroclaw, Poland;
| | - Kornelia Gajek
- Department of Pediatric Oncology, Haematology and Bone Marrow Transplantation, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (M.R.); (J.F.); (E.G.); (K.G.); (M.J.-C.); (T.J.); (K.K.); (M.M.-S.); (I.O.); (J.O.-L.); (K.G.); (B.R.); (R.R.-K.); (M.U.)
| | - Blanka Rybka
- Department of Pediatric Oncology, Haematology and Bone Marrow Transplantation, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (M.R.); (J.F.); (E.G.); (K.G.); (M.J.-C.); (T.J.); (K.K.); (M.M.-S.); (I.O.); (J.O.-L.); (K.G.); (B.R.); (R.R.-K.); (M.U.)
| | - Renata Ryczan-Krawczyk
- Department of Pediatric Oncology, Haematology and Bone Marrow Transplantation, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (M.R.); (J.F.); (E.G.); (K.G.); (M.J.-C.); (T.J.); (K.K.); (M.M.-S.); (I.O.); (J.O.-L.); (K.G.); (B.R.); (R.R.-K.); (M.U.)
| | - Marek Ussowicz
- Department of Pediatric Oncology, Haematology and Bone Marrow Transplantation, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (M.R.); (J.F.); (E.G.); (K.G.); (M.J.-C.); (T.J.); (K.K.); (M.M.-S.); (I.O.); (J.O.-L.); (K.G.); (B.R.); (R.R.-K.); (M.U.)
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Karantanos T, DeZern AE. Biology and clinical management of hypoplastic MDS: MDS as a bone marrow failure syndrome. Best Pract Res Clin Haematol 2021; 34:101280. [PMID: 34404534 DOI: 10.1016/j.beha.2021.101280] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/01/2021] [Accepted: 06/09/2021] [Indexed: 01/01/2023]
Abstract
Hypoplastic MDS is a subset of MDS characterized by marrow hypocellularity diagnosed in 10-15% of MDS patients. The pathogenesis of this disease shares features of aplastic anemia with activation of the effector T cells against hematopoietic stem and progenitor cells and high-risk MDS with acquisition of somatic mutations that provide survival and growth advantage of these cells in the inflammatory bone marrow microenvironment. Clonal evolution in hypoplastic MDS may be associated with accumulation of DNA damage and progression to AML while clonal hematopoiesis in aplastic anemia is strongly related to immune escape of the hematopoietic cells. Distinction of hypoplastic MDS from other acquired and inherited bone marrow failure syndromes is frequently challenging but it is critical for the appropriate clinical management of the patients. Treatment with immunosuppression is an important component of the clinical approach to patients with hypoplastic MDS while hypomethylating agents and early allogeneic bone marrow transplantation are also considerations in some patients. In this review, we summarize the current literature on the biology of hypoplastic MDS, the differences between this disease and other bone marrow failure syndromes, and the treatment algorithm for patients with this subtype of MDS.
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Affiliation(s)
- Theodoros Karantanos
- Department of Oncology, Sidney Kimmel Cancer Center at Johns Hopkins, Baltimore, MD, USA
| | - Amy E DeZern
- Department of Oncology, Sidney Kimmel Cancer Center at Johns Hopkins, Baltimore, MD, USA.
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Julen K, Volken T, Holbro A, Infanti L, Halter JP, Schaub S, Wehmeier C, Diesch T, Rovó A, Passweg JR, Buser A, Drexler B. Transfusions in Aplastic Anemia Patients Cause HLA Alloimmunization: Comparisons of Current and Past Cohorts Demonstrate Progress. Transplant Cell Ther 2021; 27:939.e1-939.e8. [PMID: 34314891 DOI: 10.1016/j.jtct.2021.07.017] [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: 03/29/2021] [Revised: 07/03/2021] [Accepted: 07/19/2021] [Indexed: 10/20/2022]
Abstract
Transfusions are the mainstay of supportive therapy in patients with aplastic anemia (AA) and may lead to anti- HLA alloimmunization, thereby also increasing the risk for donor-specific antibodies in the setting of HLA-mismatched transplantation. Historically, AA patients were thought to be at particularly high risk for HLA alloimmunization. In past decades, blood product manufacturing (leukoreduction) and HLA antibody testing have improved significantly by single antigen bead (SAB) technology. It is currently unknown how those developments have impacted HLA alloimmunization and treatment outcome in patients with AA. We retrospectively investigated 54 AA patients treated by immunosuppressive therapy or allogeneic hematopoietic cell transplantation after the introduction of the SAB assay at our center. We compared the HLA antibody results to a historical AA cohort (n = 26), treated before introduction of leukoreduced blood products from 1975 to 1995. HLA alloimmunization was detected in 43 of 54 (80%) recently treated patients. Past pregnancy, female gender, disease severity, age, and a history of other transfusions were significantly associated with a larger number or higher intensity (mean fluorescence intensity) of HLA antibodies. Treatment outcome including bleeding episodes, response to treatment, engraftment, graft-versus-host disease, and overall survival was not associated with HLA alloimmunization. In the historical cohort a significantly higher number of HLA antibodies (P < .01) with a higher mean fluorescent intensity (P < .01) was observed. HLA alloimmunization remains frequent in AA tested by current techniques, but it has significantly decreased since prior decades and does not affect treatment outcome. © 2021 American Society for Blood and Marrow Transplantation. Published by Elsevier Inc. All rights reserved.
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Affiliation(s)
- Katja Julen
- Blood Transfusion Center, Swiss Red Cross, Basel, Switzerland; Division of Hematology, University Hospital Basel, Switzerland
| | - Thomas Volken
- School of Health Professions, Zurich University of Applied Sciences, Winterthur, Switzerland
| | - Andreas Holbro
- Blood Transfusion Center, Swiss Red Cross, Basel, Switzerland; Division of Hematology, University Hospital Basel, Switzerland
| | - Laura Infanti
- Blood Transfusion Center, Swiss Red Cross, Basel, Switzerland; Division of Hematology, University Hospital Basel, Switzerland
| | - Jörg P Halter
- Division of Hematology, University Hospital Basel, Switzerland
| | - Stefan Schaub
- Clinic for Transplantation Immunology and Nephrology, University Hospital Basel
| | - Caroline Wehmeier
- Clinic for Transplantation Immunology and Nephrology, University Hospital Basel
| | - Tamara Diesch
- Division of Hematology /Oncology, University Children's Hospital Basel, Switzerland
| | - Alicia Rovó
- Division of Hematology, University Hospital Bern, Switzerland
| | - Jakob R Passweg
- Division of Hematology, University Hospital Basel, Switzerland
| | - Andreas Buser
- Blood Transfusion Center, Swiss Red Cross, Basel, Switzerland; Division of Hematology, University Hospital Basel, Switzerland
| | - Beatrice Drexler
- Blood Transfusion Center, Swiss Red Cross, Basel, Switzerland; Division of Hematology, University Hospital Basel, Switzerland.
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Scheinberg P. Acquired severe aplastic anaemia: how medical therapy evolved in the 20th and 21st centuries. Br J Haematol 2021; 194:954-969. [PMID: 33855695 DOI: 10.1111/bjh.17403] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Accepted: 02/16/2021] [Indexed: 11/28/2022]
Abstract
The progress in aplastic anaemia (AA) management is one of success. Once an obscure entity resulting in death in most affected can now be successfully treated with either haematopoietic stem cell transplantation (HSCT) or immunosuppressive therapy (IST). The mechanisms that underly the diminution of haematopoietic stem cells (HSCs) are now better elucidated, and include genetics and immunological alterations. Advances in supportive care with better antimicrobials, safer blood products and iron chelation have greatly impacted AA outcomes. Working somewhat 'mysteriously', anti-thymocyte globulin (ATG) forms the base for both HSCT and IST protocols. Efforts to augment immunosuppression potency have not, unfortunately, led to better outcomes. Stimulating HSCs, an often-sought approach, has not been effective historically. The thrombopoietin receptor agonists (Tpo-RA) have been effective in stimulating early HSCs in AA despite the high endogenous Tpo levels. Dosing, timing and best combinations with Tpo-RAs are being defined to improve HSCs expansion in AA with minimal added toxicity. The more comprehensive access and advances in HSCT and IST protocols are likely to benefit AA patients worldwide. The focus of this review will be on the medical treatment advances in AA.
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Affiliation(s)
- Phillip Scheinberg
- Division of Haematology, Hospital A Beneficência Portuguesa, São Paulo, Brazil
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