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Žibřidová K, Souček O, Krčmová LK, Jankovičová K, Gančarčíková M, Pejková MA, Drugda J, Nováková D, Košťál M. Lymphocyte subpopulations: a potential predictor of a response in patients with immune thrombocytopenia. Hematology 2024; 29:2304486. [PMID: 38251842 DOI: 10.1080/16078454.2024.2304486] [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: 09/25/2023] [Accepted: 01/04/2024] [Indexed: 01/23/2024] Open
Abstract
OBJECTIVES Immune thrombocytopenia (ITP) is an autoimmune bleeding disorder caused by increased platelet destruction and altered production. Despite the well-described pathophysiological background of immune dysregulation, current treatment guidelines consist of monotherapy with different drugs, with no tool to predict which patient is more suitable for each therapeutic modality. METHODS In our study, we attempted to determine differences in the immune setting, comparing the patients' responses to administered therapy. During 12-month follow-up, we assessed blood count, antiplatelet autoantibodies, and T lymphocyte subsets in peripheral blood in 35 patients with ITP (newly diagnosed or relapsed disease). RESULTS Our data show that the value of antiplatelet autoantibodies, the percentage of cytotoxic T lymphocytes, and the immunoregulatory index (IRI, CD4+ / CD8+ T cell ratio) differ significantly by treatment response. Responders have a higher IRI (median 2.1 vs. 1.5 in non-responders, P = 0.04), higher antiplatelet autoantibodies (median 58 vs. 20% in non-responders, P = 0.01) and lower relative CD8+ T cells count (P = 0.02) before treatment. DISCUSSION The results suggest that immunological parameters (antiplatelet autoantibodies, relative CD8+ T cell count and IRI) could be used as prognostic tools for a worse clinical outcome in patients with ITP. CONCLUSION These biomarkers could be utilized for stratification and eventually selection of treatment preferring combination therapy.
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Affiliation(s)
- Kateřina Žibřidová
- 4th Department of Internal Medicine - Hematology, University Hospital Hradec Králové, Hradec Králové, Czech Republic
- Academic Department of Internal Medicine, Faculty of Medicine in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Ondřej Souček
- Department of Clinical Immunology and Allergology, University Hospital Hradec Králové, Hradec Králové, Czech Republic
- Faculty of Medicine in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Lenka Kujovská Krčmová
- Department of Clinical Biochemistry and Diagnostics, University Hospital Hradec Králové, Hradec Králové, Czech Republic
| | - Karolína Jankovičová
- Department of Clinical Immunology and Allergology, University Hospital Hradec Králové, Hradec Králové, Czech Republic
- Faculty of Medicine in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Markéta Gančarčíková
- Department of Clinical Biochemistry and Diagnostics, University Hospital Hradec Králové, Hradec Králové, Czech Republic
| | - Mária Anna Pejková
- 4th Department of Internal Medicine - Hematology, University Hospital Hradec Králové, Hradec Králové, Czech Republic
- Academic Department of Internal Medicine, Faculty of Medicine in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Jan Drugda
- 4th Department of Internal Medicine - Hematology, University Hospital Hradec Králové, Hradec Králové, Czech Republic
- Academic Department of Internal Medicine, Faculty of Medicine in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Denisa Nováková
- 4th Department of Internal Medicine - Hematology, University Hospital Hradec Králové, Hradec Králové, Czech Republic
- Academic Department of Internal Medicine, Faculty of Medicine in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Milan Košťál
- 4th Department of Internal Medicine - Hematology, University Hospital Hradec Králové, Hradec Králové, Czech Republic
- Academic Department of Internal Medicine, Faculty of Medicine in Hradec Králové, Charles University, Hradec Králové, Czech Republic
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Wang X, Bi H, Liu L, Liu Y, Yin L, Yao J, Yu J, Tao W, Wei Y, Li Y, Yin L, Mu H, Du Y, Zhou Z. Efficacy and safety of high dose recombinant human thrombopoietin in the treatment of immune thrombocytopenia. Platelets 2023; 34:2271568. [PMID: 37941414 DOI: 10.1080/09537104.2023.2271568] [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: 09/11/2022] [Accepted: 10/10/2023] [Indexed: 11/10/2023]
Abstract
The conventional dose of recombinant human thrombopoietin (rhTPO) in the treatment of immune thrombocytopenia (ITP) is 300 U/kg per day, but the clinical reaction rate is not satisfactory. Accordingly, we explored the efficacy and safety of increasing rhTPO dose in the treatment of ITP. A retrospective study was conducted to collect the clinical data of 105 ITP patients who were divided into two groups, a low-dose group (15 000 U/day) and a high-dose group (30 000 U/day) according to the dose of rhTPO. The total effective rate of the low-dose group and the high-dose group was 31/44 (70.45%) vs. 56/61 (91.80%) (P = .049), and the average time of using rhTPO in the high-dose group was shorter than that in the low-dose group (7 days vs. 10 days, P = .001). On the 7th and 14th day of treatment, the efficacy of the high-dose group was better than that of the low-dose group [45/61 (73.77%) vs. 17/44 (38.64%), P < .001; 55/60 (91.67%) vs. 30/44 (68.18%), P < .05)]. The incidence of treatment related adverse events in the low-dose group and the high-dose group was 6/44 (13.64%) vs. 6/61 (9.84%) (P > .05), which were mild and transient in nature. In our study, high-dose rhTPO had good efficacy and high safety in the treatment of ITP with the efficacy better than low-dose rhTPO especially at day 7.
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Affiliation(s)
- Xiuli Wang
- Department of Hematology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
- Department of basic teaching and Research, Medical College, Kunming, China
| | - Hui Bi
- Department of Hematology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Lin Liu
- Department of Hematology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Yuebo Liu
- Department of Hematology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Liefen Yin
- Department of Hematology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Jin Yao
- Department of Hematology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Jingxing Yu
- Department of Hematology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Wei Tao
- Department of Hematology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Yueping Wei
- Department of Hematology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Yu Li
- Department of Hematology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Lingmei Yin
- Department of Hematology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Hongli Mu
- Department of Hematology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Yadong Du
- Department of Cardiovascular, HanDan Central Hospital, HanDan, China
| | - Zeping Zhou
- Department of Hematology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
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Ding B, Liu L, Li M, Song X, Zhang Y, Xia A, Liu J, Zhou H. Anti-GPIb/IX autoantibodies are associated with poor response to dexamethasone combined with rituximab therapy in primary immune thrombocytopenia patients. Platelets 2023; 34:2258988. [PMID: 37722393 DOI: 10.1080/09537104.2023.2258988] [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: 06/29/2023] [Accepted: 08/31/2023] [Indexed: 09/20/2023]
Abstract
This retrospective study aimed to evaluate whether anti-glycoproteins (GPs) autoantibodies can be used as predictors of response to high-dose dexamethasone combined with rituximab (DXM-RTX) in the treatment of primary immune thrombocytopenia (ITP) patients. One-hundred twenty-six ITP patients were included and retrospectively analyzed, 66.7% of anti-GPIb/IX and 65.9% of anti-GPIIb/IIIa autoantibodies. Results showed that overall response (OR) and complete response (CR) rates of patients without anti-GPIb/IX autoantibodies to DXM-RTX were significantly higher than those with anti-GPIb/IX autoantibodies at 4 weeks (OR: 73.8% vs. 47.6%, CR: 50.0% vs. 26.2%; P < 0.05) and 6 months (OR: 71.4% vs. 45.2%, CR: 42.9% vs. 25.0%; P < .05). Furthermore, patients with anti-GPIb/IX single-positivity exhibited higher resistance to DXM-RTX than patients with anti-GPIIb/IIIa single-positivity at 4 weeks (OR: 37.5% vs. 78.3%; P < .05) and 6 months (OR: 29.2% vs. 78.3%; P < .05). Multivariable logistic regression analysis revealed that anti-GPIb/IX autoantibodies and megakaryocytes were associated with the OR rate of patients at both 4 weeks and 6 months, and anti-GPIb/IX autoantibodies at 4 weeks represented the only significant factor affecting OR rate with DXM-RTX (F = 9.128, P = .003). Therefore, platelet anti-GPIb/IX autoantibodies might predict poor response to DXM-RTX in ITP patients.
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Affiliation(s)
- Bingjie Ding
- Department of Hematology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Hemostasis and Thrombosis Diagnostic Engineering Research Center of Henan Province, Zhengzhou, China
| | - Liu Liu
- Department of Hematology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Mengjuan Li
- Department of Hematology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Hemostasis and Thrombosis Diagnostic Engineering Research Center of Henan Province, Zhengzhou, China
| | - Xuewen Song
- Department of Hematology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Hemostasis and Thrombosis Diagnostic Engineering Research Center of Henan Province, Zhengzhou, China
| | - Yuanyuan Zhang
- Department of Hematology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Hemostasis and Thrombosis Diagnostic Engineering Research Center of Henan Province, Zhengzhou, China
| | - Ao Xia
- Department of Hematology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Hemostasis and Thrombosis Diagnostic Engineering Research Center of Henan Province, Zhengzhou, China
| | - Jingyuan Liu
- Department of Hematology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Hemostasis and Thrombosis Diagnostic Engineering Research Center of Henan Province, Zhengzhou, China
| | - Hu Zhou
- Department of Hematology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Hemostasis and Thrombosis Diagnostic Engineering Research Center of Henan Province, Zhengzhou, China
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Ou Y, Zhan Y, Zhuang X, Shao X, Xu P, Li F, Chen H, Ji L, Cheng Y. A bibliometric analysis of primary immune thrombocytopenia from 2011 to 2021. Br J Haematol 2023; 201:954-970. [PMID: 36807900 DOI: 10.1111/bjh.18692] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 01/21/2023] [Accepted: 01/27/2023] [Indexed: 02/22/2023]
Abstract
Primary immune thrombocytopenia (ITP) is an autoimmune disorder characterized by isolated thrombocytopenia. This bibliometric analysis was applied to identify the characteristics of global scientific output, the hotspots, and frontiers of ITP over the past 10 years. We retrieved publications from 2011 to 2021 from the Web of Science Core Collection (WoSCC). Bibliometrix package, VOSviewer, and Citespace were used to analyse and visualize the trend, distribution, and hotspots of research on ITP. Altogether, there were 2084 papers, written by 9080 authors from 410 organizations in 70 countries/regions, published in 456 journals with 37 160 co-cited references. In the last decades, the most productive journal was British Journal of Haematology, China was the most productive country. and the most cited journal was Blood. Shandong University was the most productive institution in the field of ITP. NEUNERT C, 2011, BLOOD, CHENG G, 2011, LANCET, and PATEL VL, 2012, BLOOD were the top three most cited documents. "Thrombopoietin receptor agonist", "regulatory T cell" and "sialic acid" were three hotspots of the last decade. And "immature platelet fraction", "Th17", and "fostamatinib" would be research frontiers in the feature. The present study provided a novel insight for future research directions and scientific decision-making.
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Affiliation(s)
- Yang Ou
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China
| | - Yanxia Zhan
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xibing Zhuang
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China.,Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xia Shao
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China.,Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Pengcheng Xu
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China.,Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Feng Li
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China.,Zhongshan Hospital Qingpu Branch, Department of Hematology, Fudan University, Shanghai, China
| | - Hao Chen
- Zhongshan Hospital Xuhui Branch, Department of Thoracic Surgery, Fudan University, Shanghai, China
| | - Lili Ji
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yunfeng Cheng
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China.,Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China.,Zhongshan Hospital Qingpu Branch, Department of Hematology, Fudan University, Shanghai, China.,Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, China
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Wang Y, Sheng L, Han F, Guo Q, Zhang Z, Hou Y, Feng Q, Zhou H, Ji X, Peng J, Hou M, Xu M. Efficacy and safety of treatments in newly diagnosed adult primary immune thrombocytopenia: A systematic review and network meta-analysis. EClinicalMedicine 2023; 56:101777. [PMID: 36578882 PMCID: PMC9791309 DOI: 10.1016/j.eclinm.2022.101777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 11/18/2022] [Accepted: 11/22/2022] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Immune thrombocytopenia is an autoimmune disease characterised by decreased platelet count. In recent years, novel therapeutic regimens have been investigated in randomised controlled trials (RCTs). We aimed to compare the efficacy and safety of different treatments in newly diagnosed adult primary immune thrombocytopenia. METHODS We did a systematic review and network meta-analysis of RCTs involving treatments for newly diagnosed primary immune thrombocytopenia. PubMed, Embase, the Cochrane Central Register of Controlled Trials, and ClinicalTrials.gov databases were searched up to April 31, 2022. The primary outcomes were 6-month sustained response and early response. Secondary outcome was grade 3 or higher adverse events. This study is registered with PROSPERO (CRD42022296179). FINDINGS Eighteen RCTs (n = 1944) were included in this study. Pairwise meta-analysis showed that the percentage of patients achieving early response was higher in the dexamethasone-containing doublet group than in the dexamethasone group (79.7% vs 68.7%, odds ratio [OR] 1.82, 95% CI 1.10-3.02). The difference was more profound for sustained response (60.5% vs 37.4%, OR 2.57, 95% CI 1.95-3.40). Network meta-analysis showed that dexamethasone plus recombinant human thrombopoietin ranked first for early response, followed by dexamethasone plus oseltamivir or tacrolimus. Rituximab plus prednisolone achieved highest sustained response, followed by dexamethasone plus all-trans retinoic acid or rituximab. Rituximab plus dexamethasone showed 15.3% of grade 3 or higher adverse events, followed by prednis(ol)one (4.8%) and all-trans retinoic acid plus dexamethasone (4.7%). INTERPRETATION Our findings suggested that compared with monotherapy dexamethasone or prednis(ol)one, the combined regimens had better early and sustained responses. rhTPO plus dexamethasone ranked top in early response, while rituximab plus corticosteroids obtained the best sustained response, but with more adverse events. Adding oseltamivir, all-trans retinoic acid or tacrolimus to dexamethasone reached equally encouraging sustained response, without compromising safety profile. Although this network meta-analysis compared all the therapeutic regimens up to date, more head-to-head RCTs with larger sample size are warranted to make direct comparison among these strategies. FUNDING National Natural Science Foundation of China, Major Research Plan of National Natural Science Foundation of China, Shandong Provincial Natural Science Foundation and Young Taishan Scholar Foundation of Shandong Province.
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Key Words
- AEs, adverse events
- ASH, American Society of Hematology
- All-trans retinoic acid
- Anti-D, Rho(D) immune globulin
- CI, confidence interval
- CrI, credible intervals
- DEX, dexamethasone
- Dexamethasone
- ITP, primary immune thrombocytopenia
- IVIg, intravenous immunoglobulin
- NMA, network meta-analysis
- Network meta-analysis
- OR, odds ratio
- OSE, oseltamivir
- Oseltamivir
- PRD, prednis(ol)one
- Prednis(ol)one
- Primary immune thrombocytopenia
- QoL, quality of life
- RA, all-trans retinoic acid
- RCTs, randomised controlled trials
- RTX, rituximab
- Randomized controlled trials
- Rituximab
- SUCRA, the surface under the cumulative ranking curve
- TAC, tacrolimus
- TPO-RAs, thrombopoietin receptor agonists
- Tacrolimus
- mPRD, methylprednisolone
- rhTPO
- rhTPO, recombinant human thrombopoietin
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Affiliation(s)
- Yun Wang
- Department of Hematology, Cheeloo College of Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Lei Sheng
- Department of General Surgery, Cheeloo College of Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Fengjiao Han
- Department of Hematology, Cheeloo College of Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Qiuyu Guo
- Department of Hematology, Cheeloo College of Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Zihan Zhang
- Department of Hematology, Cheeloo College of Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Yu Hou
- Department of Hematology, Cheeloo College of Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Qi Feng
- Department of Hematology, Cheeloo College of Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Hai Zhou
- Department of Hematology, Cheeloo College of Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Xuebin Ji
- Department of Hematology, Cheeloo College of Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Jun Peng
- Department of Hematology, Cheeloo College of Medicine, Qilu Hospital of Shandong University, Jinan, China
- Advanced Medical Research Institute, Shandong University, Jinan, China
| | - Ming Hou
- Department of Hematology, Cheeloo College of Medicine, Qilu Hospital of Shandong University, Jinan, China
- Corresponding author. Department of Hematology, Cheeloo College of Medicine, Qilu Hospital of Shandong University, Wenhuaxi Road, Jinan, China.
| | - Miao Xu
- Department of Hematology, Cheeloo College of Medicine, Qilu Hospital of Shandong University, Jinan, China
- Corresponding author. Department of Hematology, Cheeloo College of Medicine, Qilu Hospital of Shandong University, Wenhuaxi Road, Jinan, China.
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Wang D, Cassady K, Zou Z, Zhang X, Feng Y. Progress on the efficacy and potential mechanisms of rapamycin in the treatment of immune thrombocytopenia. Hematology 2022; 27:1282-1289. [DOI: 10.1080/16078454.2022.2151230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Affiliation(s)
- Dan Wang
- Medical Center of Hematology, The Xinqiao Hospital of Army Medical University, Chongqing, People’s Republic of China
- Department of Hematology, Affiliated Hospital of North Sichuan Medical College, Nanchong, People’s Republic of China
| | | | - Zhongmin Zou
- Department of Chemical Defense Medicine, School of Military Preventive Medicine, Army Medical University, Chongqing, People’s Republic of China
| | - Xi Zhang
- Medical Center of Hematology, The Xinqiao Hospital of Army Medical University, Chongqing, People’s Republic of China
| | - Yimei Feng
- Medical Center of Hematology, The Xinqiao Hospital of Army Medical University, Chongqing, People’s Republic of China
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[Hematologic responses to avatrombopag switch in TPO-RA refractory aplastic anemia]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2022; 43:921-927. [PMID: 36709183 PMCID: PMC9808864 DOI: 10.3760/cma.j.issn.0253-2727.2022.11.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Objective: Short-term efficacy and safety of afatrombopag conversion therapy in patients with aplastic anemia (AA) who were previously ineffectively treated with intense immunosuppressive therapy (IST) combined with TPO receptor Agonist (TPO-RA) or who were unable to tolerate the side effects of TPO-RA. Methods: Analysis of patients with severe aplastic anemia (SAA) treated in Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College from January 2021 to December 2021 who received IST combined with TPO-RA (eltrombopag/hatrombopag) for at least 6 months, but was ineffective for at least 3 months or patients who cannot continue to use TPO-RA due to side effects, and switched from TPO-RA to avatrombopag (APAG) , and treated for at least 6 months. This study analyzed its short-term efficacy and evaluated its safety. Results: The median age was 54 (14-68) years old among the 16 patients with AA (8 male and eight female) . A total of ten patients (refractory group) who did not respond to IST combined with TPO-RA were converted to APAG median therapy for 6 (6-10) months. Only seven patients (70% ) obtained trilineage HR [four cases of complete treatment response (CTR) , one case of good treatment response (GPR) , and two cases of partial treatment response (PR) ], all of which began to take effect at 3 months of APAG treatment. There were six patients with TPO-RA intolerance, and APAG was treated for 6 (2 to 8) months. About four patients (67% ) received HR (three GPR cases and one PR case) , of which two patients received PR at 3 months and four patients received HR at 6 months of APAG treatment. No APAG-related grade 2 or more adverse events occurred during the APAG therapy, no thrombotic events occurred, no fibrologic tissue hyperplasia was found in the bone marrow pathology reexamination at 6 months of treatment, and none of the patients discontinued the drug due to adverse events. Conclusion: APAG may be a better switching treatment option for patients with AA who are refractory or are intolerant to TPO-RA.
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Cui Y, He Y, Hu C, Tu C, Huang J, Zhu X, Zang C, Ding K, Zhan B, Zhao Y, Qian L. Avatrombopag for the treatment of thrombocytopenia induced by chemotherapy in patients with solid tumors: A multicenter, open-label, single-arm trial. Front Pharmacol 2022; 13:970978. [PMID: 36238568 PMCID: PMC9553127 DOI: 10.3389/fphar.2022.970978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Objective: To explore the effect and safety of avatrombopag for chemotherapy-induced thrombocytopenia (CIT). Methods: This multicenter, open-label, single-arm trial enrolled CIT patients in eight centers from October 2020 to April 2021. The participants received avatrombopag tablets 60 mg once a day for 5–10 days. The main endpoint was the proportion of patients with platelet count ≥100×109/L or increased by ≥ 50×109/L or increased by ≥ 100% in the cycle after the start of treatment. Results: Seventy-four participants were enrolled with a mean age of 59.8 ± 11.62.2% were males. The cumulative effective rate (any criteria) was 70.3% at 4 weeks. 42 (56.8%) achieved platelet count ≥100×109/L, 44 (59.5%) increased by ≥ 50×109/L, and 27 (36.5%) increase by ≥ 100% from baseline. The duration of grade III and IV platelet reduction was 4.2 ± 5.3 days. The time of PLT recovery to ≥75×109/L was 9.4 ± 6.6 days. The time of PLT recovery to ≥100×109/L was 10.2 ± 6.4 days. The platelet count nadir was 57.9 ± 45.3×109/L. The most common adverse events were nausea (8.1%), fatigue (5.4%), and abdominal pain (1.4%). There were no cases of fever, headache, or peripheral edema. Conclusion: Although it was a single-arm trial without a control group, the application of avatrombopag in patients with CIT can increase the platelet count of the patients compared with baseline. Avatrombopag is safe and tolerable. Clinical Trial Registration:https://clinicaltrials.gov/ct2/show/NCT04609891?term=04609891&draw=2&rank=1, identifier [NCT04609891]
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Affiliation(s)
- Yayun Cui
- Department of Medical Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (Anhui Provincial Cancer Hospital), Hefei, Anhui, China
| | - Yifu He
- Department of Medical Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (Anhui Provincial Cancer Hospital), Hefei, Anhui, China
| | - Changlu Hu
- Department of Medical Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (Anhui Provincial Cancer Hospital), Hefei, Anhui, China
| | - Congyin Tu
- Department of Surgical Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (Anhui Provincial Cancer Hospital), Hefei, Anhui, China
| | - Jin Huang
- Department of Medical Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (Anhui Provincial Cancer Hospital), Hefei, Anhui, China
| | - Xiaofeng Zhu
- Department of Gastroenterology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (Anhui Provincial Cancer Hospital), Hefei, Anhui, China
| | - Chunbao Zang
- Department of Medical Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (Anhui Provincial Cancer Hospital), Hefei, Anhui, China
| | - Kaiyang Ding
- Department of Hematology-Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (Anhui Provincial Cancer Hospital), Hefei, Anhui, China
| | - Bihong Zhan
- Department of Medical Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (Anhui Provincial Cancer Hospital), Hefei, Anhui, China
| | - Yufei Zhao
- Department of Medical Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (Anhui Provincial Cancer Hospital), Hefei, Anhui, China
| | - Liting Qian
- Department of Medical Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (Anhui Provincial Cancer Hospital), Hefei, Anhui, China
- *Correspondence: Liting Qian,
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