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Castelli M, Micò MC, Grassi A, Algarotti A, Lussana F, Finazzi MC, Rambaldi B, Pavoni C, Rizzuto G, Tebaldi P, Vendemini F, Verna M, Bonanomi S, Biondi A, Balduzzi A, Rambaldi A, Gotti G. Safety and efficacy of narsoplimab in pediatric and adult patients with transplant-associated thrombotic microangiopathy: a real-world experience. Bone Marrow Transplant 2024; 59:1161-1168. [PMID: 38773280 PMCID: PMC11296948 DOI: 10.1038/s41409-024-02305-3] [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: 02/27/2024] [Revised: 04/29/2024] [Accepted: 04/30/2024] [Indexed: 05/23/2024]
Abstract
Transplant-associated thrombotic microangiopathy (TA-TMA) is a severe complication following hematopoietic stem cell transplantation (HSCT). No approved treatments are currently available. This study presents real-world data obtained with narsoplimab, a human immunoglobulin G4 monoclonal antibody that inhibits MASP-2, the effector enzyme of the lectin pathway of the complement system. Between January 2018 and August 2023, 20 (13 adult and 7 pediatric) patients diagnosed with TA-TMA received narsoplimab under an ongoing compassionate use program. The diagnosis was based on internationally defined criteria for pediatric and adult patients. Fifteen patients fulfilled the criteria recently established by an international consensus on TA-TMA. Nineteen patients exhibited high-risk characteristics. Thirteen patients (65%) responded to narsoplimab, achieving transfusion independence and significant clinical improvement. The one-hundred-day Overall Survival (OS) post-TA-TMA diagnosis was 70%, and 100% for responders. Narsoplimab proved to be effective and safe in the treatment of high-risk TA-TMA, with no increased infectious complications or other safety signals of concern across all age groups. The high response rates and the encouraging survival outcomes underscore the potential of narsoplimab as a valuable therapeutic option, particularly for high-risk cases.
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Affiliation(s)
- Marta Castelli
- Department of Oncology and Hematology, University of Milan and Azienda Socio-Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
| | - Maria Caterina Micò
- Department of Oncology and Hematology, Azienda Socio-Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
| | - Anna Grassi
- Department of Oncology and Hematology, Azienda Socio-Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
| | - Alessandra Algarotti
- Department of Oncology and Hematology, Azienda Socio-Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
| | - Federico Lussana
- Department of Oncology and Hematology, University of Milan and Azienda Socio-Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
- Department of Oncology and Hematology, Azienda Socio-Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
| | - Maria Chiara Finazzi
- Department of Oncology and Hematology, Azienda Socio-Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
| | - Benedetta Rambaldi
- Department of Oncology and Hematology, Azienda Socio-Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
| | - Chiara Pavoni
- Department of Oncology and Hematology, Azienda Socio-Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
| | - Giuliana Rizzuto
- Department of Oncology and Hematology, Azienda Socio-Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
| | - Paola Tebaldi
- Department of Pathology, Azienda Socio-Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
| | | | - Marta Verna
- Department of Pediatrics, Fondazione IRCCS San Gerardo, Monza, Italy
| | - Sonia Bonanomi
- Department of Pediatrics, Fondazione IRCCS San Gerardo, Monza, Italy
| | - Andrea Biondi
- Department of Pediatrics, Fondazione IRCCS San Gerardo, Monza, Italy
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Adriana Balduzzi
- Department of Pediatrics, Fondazione IRCCS San Gerardo, Monza, Italy
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Alessandro Rambaldi
- Department of Oncology and Hematology, University of Milan and Azienda Socio-Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy.
- Department of Oncology and Hematology, Azienda Socio-Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy.
| | - Giacomo Gotti
- Department of Pediatrics, Fondazione IRCCS San Gerardo, Monza, Italy
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Wu YE, Zheng YY, Li QY, Yao BF, Cao J, Liu HX, Hao GX, van den Anker J, Zheng Y, Zhao W. Model-informed drug development in pediatric, pregnancy and geriatric drug development: States of the art and future. Adv Drug Deliv Rev 2024; 211:115364. [PMID: 38936664 DOI: 10.1016/j.addr.2024.115364] [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] [Revised: 06/09/2024] [Accepted: 06/19/2024] [Indexed: 06/29/2024]
Abstract
The challenges of drug development in pediatric, pregnant and geriatric populations are a worldwide concern shared by regulatory authorities, pharmaceutical companies, and healthcare professionals. Model-informed drug development (MIDD) can integrate and quantify real-world data of physiology, pharmacology, and disease processes by using modeling and simulation techniques to facilitate decision-making in drug development. In this article, we reviewed current MIDD policy updates, reflected on the integrity of physiological data used for MIDD and the effects of physiological changes on the drug PK, as well as summarized current MIDD strategies and applications, so as to present the state of the art of MIDD in pediatric, pregnant and geriatric populations. Some considerations are put forth for the future improvements of MIDD including refining regulatory considerations, improving the integrity of physiological data, applying the emerging technologies, and exploring the application of MIDD in new therapies like gene therapies for special populations.
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Affiliation(s)
- Yue-E Wu
- Department of Clinical Pharmacy, Institute of Clinical Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yuan-Yuan Zheng
- Department of Clinical Pharmacy, Institute of Clinical Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Qiu-Yue Li
- Department of Clinical Pharmacy, Institute of Clinical Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Bu-Fan Yao
- Department of Clinical Pharmacy, Institute of Clinical Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Jing Cao
- Department of Clinical Pharmacy, Institute of Clinical Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Hui-Xin Liu
- Department of Clinical Pharmacy, Institute of Clinical Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Guo-Xiang Hao
- Department of Clinical Pharmacy, Institute of Clinical Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - John van den Anker
- Division of Clinical Pharmacology, Children's National Medical Center, Washington, DC, USA; Departments of Pediatrics, Pharmacology & Physiology, George Washington University, School of Medicine and Health Sciences, Washington, DC, USA; Department of Paediatric Pharmacology and Pharmacometrics, University Children's Hospital Basel, Basel, Switzerland
| | - Yi Zheng
- Department of Clinical Pharmacy, Institute of Clinical Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Wei Zhao
- Department of Clinical Pharmacy, Institute of Clinical Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China.
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3
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Bergan S, Vethe NT. The potential for therapeutic drug monitoring of belatacept and other biologicals in solid organ transplantation. Br J Clin Pharmacol 2024. [PMID: 39056476 DOI: 10.1111/bcp.16170] [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: 12/12/2023] [Revised: 04/22/2024] [Accepted: 06/12/2024] [Indexed: 07/28/2024] Open
Abstract
In solid organ transplantation (SOT), biologicals such as recombinant therapeutic proteins, monoclonal antibodies, fusion proteins and conjugates are increasingly used for immunosuppression, desensitization, ABO (blood group) incompatibility, antibody-mediated rejections and atypical haemolytic uremic syndrome. In this paper, we review the medical evidence available for biologicals used in SOT and the potential for improvement by the application of therapeutic drug monitoring (TDM) and model-informed precision dosing. Biologicals are used for off-label indications within the field of SOT, building on the experience from their use on labelled indications. Dosing is currently mostly standard, and experience vs. effect and toxicity is limited. Pharmacokinetic characteristics of these large, partly also immunogenic molecules differ from those of traditional small molecules. Individualization by concentration measurements and modelling has mostly been proof-of-concept or feasibility studies that lack the power to provide evidence for improvement in clinical outcome. For some drugs such as alemtuzumab, eculizumab, rituximab, tocilizumab and belatacept, studies have demonstrated significant interindividual variability in pharmacokinetics. Variability in absorption from subcutaneous administration may increase interindividual variability. There is also an economic aspect of appropriate dosing that needs to be pursued. Available assays and models to refine interpretation are in place, but trials of adequate size to document the usefulness of TDM and MIPD are scarce. Collaboration within the TDM community seems mandatory to establish studies of sufficient strength to provide evidence for the use of biologicals that are currently used off-label in SOT and furthermore to identify the settings where TDM may be beneficial.
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Affiliation(s)
- Stein Bergan
- Department of Pharmacology, Oslo University Hospital, Oslo, Norway
- Department of Pharmacy, University of Oslo, Oslo, Norway
| | - Nils Tore Vethe
- Department of Pharmacology, Oslo University Hospital, Oslo, Norway
- Department of Pharmacy, University of Oslo, Oslo, Norway
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Lee BJ, Arter Z, Doh J, Griffin SP, Vittayawacharin P, Atallah S, Shieh KR, Tran M, Jodele S, Kongtim P, Ciurea SO. Eculizumab for Shiga-toxin-induced hemolytic uremic syndrome in adults with neurological involvement. EJHAEM 2024; 5:548-553. [PMID: 38895057 PMCID: PMC11182416 DOI: 10.1002/jha2.902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 04/04/2024] [Accepted: 04/05/2024] [Indexed: 06/21/2024]
Abstract
The role of eculizumab in treating Shiga-toxin-producing Escherichia coli (STEC) hemolytic uremic syndrome (HUS) patients with neurological involvement remains unclear. We describe two distinctly different STEC-HUS patients with neurologic involvement successfully managed with eculizumab, and perform a literature review of all published cases. Both patients had complete resolution of neurological symptoms after initiation of eculizumab. Eighty patients with STEC-HUS treated with eculizumab were identified in the literature, 68.7% had complete resolution of neurological symptoms. Based on our experience and literature review, three prevailing themes were noted: 1) Early eculizumab administration optimized neurological outcomes, 2) Symptom resolution may not be immediate, neurological symptoms may initially worsen before improvement, and 3) Plasma exchange yielded no benefit. Early administration of eculizumab may reverse neurotoxicity in patients with STEC-HUS.
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Affiliation(s)
- Benjamin J. Lee
- Department of PharmacyUniversity of California Irvine HealthOrangeCaliforniaUSA
- Department of Clinical Pharmacy PracticeSchool of Pharmacy and Pharmaceutical SciencesUniversity of CaliforniaIrvineCaliforniaUSA
| | - Zhaohui Arter
- Department of MedicineDivision of Hematology‐OncologyChao Family Comprehensive Cancer CenterUniversity of California Irvine HealthOrangeCaliforniaUSA
| | - Jean Doh
- Department of PharmacyUniversity of California Irvine HealthOrangeCaliforniaUSA
| | - Shawn P. Griffin
- Department of PharmacyUniversity of California Irvine HealthOrangeCaliforniaUSA
- Department of Clinical Pharmacy PracticeSchool of Pharmacy and Pharmaceutical SciencesUniversity of CaliforniaIrvineCaliforniaUSA
| | - Pongthep Vittayawacharin
- Department of MedicineDivision of Hematology‐OncologyChao Family Comprehensive Cancer CenterUniversity of California Irvine HealthOrangeCaliforniaUSA
- Division of HematologyDepartment of MedicineFaculty of Medicine Siriraj HospitalMahidol UniversityBangkokThailand
| | - Steven Atallah
- Department of PharmacyUniversity of California Irvine HealthOrangeCaliforniaUSA
- Department of Clinical Pharmacy PracticeSchool of Pharmacy and Pharmaceutical SciencesUniversity of CaliforniaIrvineCaliforniaUSA
| | - Kevin R. Shieh
- Department of MedicineDivision of Hematology‐OncologyChao Family Comprehensive Cancer CenterUniversity of California Irvine HealthOrangeCaliforniaUSA
| | - Minh‐Ha Tran
- Department of Pathology and Laboratory MedicineDivision of Transfusion MedicineUniversity of California Irvine HealthOrangeCaliforniaUSA
| | - Sonata Jodele
- Division of Bone Marrow Transplantation and ImmuneDeficiencyCancer and Blood Disease InstituteCincinnati Children's Hospital Medical CenterCincinnatiOhioUSA
- Department of PediatricsUniversity of Cincinnati College of MedicineCincinnatiOhioUSA
| | - Piyanuch Kongtim
- Department of MedicineDivision of Hematology‐OncologyChao Family Comprehensive Cancer CenterUniversity of California Irvine HealthOrangeCaliforniaUSA
| | - Stefan O. Ciurea
- Department of MedicineDivision of Hematology‐OncologyChao Family Comprehensive Cancer CenterUniversity of California Irvine HealthOrangeCaliforniaUSA
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5
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Benítez Carabante MI, Bueno D, Alonso García L, López Torija I, Marsal J, Fernandez Navarro JM, Uria Oficialdegui ML, Panesso M, Molina B, Beléndez Bieler C, Palomo P, Pérez Martínez A, Diaz-de-Heredia C. Use of Eculizumab in Pediatric Patients with High-Risk Transplantation-Associated Thrombotic Microangiopathy: Outcomes and Risk Factors Associated with Response and Survival. A Retrospective Study on Behalf of the Spanish Group for Hematopoietic Transplantation and Cellular Therapy (GETH-TC). Transplant Cell Ther 2024; 30:601.e1-601.e13. [PMID: 38521410 DOI: 10.1016/j.jtct.2024.03.019] [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: 01/18/2024] [Revised: 03/12/2024] [Accepted: 03/17/2024] [Indexed: 03/25/2024]
Abstract
Transplantation-associated thrombotic microangiopathy (TA-TMA) is associated with high morbidity and mortality. Although survival has improved significantly with the introduction of eculizumab, the need for improvement remains, especially in high-risk patients. This study aimed to describe the results obtained with eculizumab in a pediatric cohort with the attempt to define which risk factors could determine the response to treatment. We designed a national multicenter retrospective study of children treated with eculizumab for high-risk TA-TMA. The study cohort comprised 29 patients who had undergone a first (n = 28) or second (n = 1) allogeneic hematopoietic stem cell transplantation (HSCT) for malignant (n = 17) or nonmalignant (n = 12) disease. The median time from HSCT to TA-TMA diagnosis was 154 days (interquartile range [IQR], 103 to 263 days). Eleven patients (38%) who were initially diagnosed with low- to intermediate-risk TA-TMA progressed to high-risk TA-TMA (hrTA-TMA), within a median time of 4 days (IQR, 1 to 33 days). SC5b-9 was increased in 90% of 20 patients in whom it was measured. Renal (n = 12), pulmonary (n = 1), and intestinal (n = 1) biopsy confirmed the diagnosis in 12 of 14 patients (85%). Seventeen patients (58%) had extrarenal involvement with serositis (n = 13; 44,8%), pulmonary (n = 12; 41,4%), gastrointestinal (n = 8; 27.6%), cardiovascular (n = 7; 24.1%), or central nervous system (CNS) (n = 2; 6.9%) involvement. The median time from hrTA-TMA diagnosis to the initiation of eculizumab was 7 days (IQR, 1 to 8 days). Overall, 19 patients (65.5%) responded to eculizumab, of whom 17 (58.6%) achieved a complete response and 2 (6.9%) achieved a partial response. The remaining 10 patients (34.5%) did not show any of response. The overall response rate to eculizumab for TA-TMA was 27.59% (95% confidence interval [CI], 14.87% to 47.66%) at 1 month, 55.17% (95% CI, 38.43% to 73.48%) at 3 months, and 62.07% (95% CI, 45.10% to 79.13%) at 6 months after eculizumab initiation. In multivariate analysis, the pulmonary involvement decreased the probability of response (hazard ratio [HR], .18; P = .0298). The 1-year overall survival (OS) was 55.2% (95% CI, 35.6% to 71.0%) for the whole cohort and 83.3% (95% CI, 56.7% to 94.3%) for patients who responded to eculizumab. Pulmonary involvement (HR, 14.93; P = .0043) and CNS involvement (HR, 8.63; P = .0497) were associated with a statistically significant decrease in survival. We found that patients diagnosed with hrTA-TMA with pulmonary involvement had a poor response to eculizumab, and that patients with pulmonary and CNS involvement had significantly decreased survival. Given these results, we hypothesize that providing eculizumab therapy at an early stage of the disease before organ damage is established might significantly improve the response and, consequently, survival.
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Affiliation(s)
- María Isabel Benítez Carabante
- Division of Pediatric Hematology and Oncology, Hospital Universitari Vall d´Hebron, Vall d'Hebron Institut de Recerca (VHIR), Barcelona, Spain
| | - David Bueno
- Department of Pediatric Hematology and Oncology, Hospital Infantil Universitario La Paz, idiPAZ Research Institute, Madrid, Spain
| | - Laura Alonso García
- Division of Pediatric Hematology and Oncology, Hospital Universitari Vall d´Hebron, Vall d'Hebron Institut de Recerca (VHIR), Barcelona, Spain
| | - Iván López Torija
- Department of Pediatric Hematology and Oncology, Hospital Santa Creu i Sant Pau, Barcelona, Spain
| | - Julia Marsal
- Department of Pediatric Hematology and Oncology, Hospital Sant Joan de Deu, Barcelona, Spain
| | | | - María Luz Uria Oficialdegui
- Division of Pediatric Hematology and Oncology, Hospital Universitari Vall d´Hebron, Vall d'Hebron Institut de Recerca (VHIR), Barcelona, Spain
| | - Melissa Panesso
- Division of Pediatric Hematology and Oncology, Hospital Universitari Vall d´Hebron, Vall d'Hebron Institut de Recerca (VHIR), Barcelona, Spain
| | - Blanca Molina
- Department of Pediatric Hematology and Oncology, Hospital Infantil Universitario Niño Jesús, Madrid, Spain
| | - Cristina Beléndez Bieler
- Department of Pediatric Hematology and Oncology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Pilar Palomo
- Department of Pediatric Hematology and Oncology, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - Antonio Pérez Martínez
- Department of Pediatric Hematology and Oncology, Hospital Infantil Universitario La Paz, idiPAZ Research Institute, Madrid, Spain
| | - Cristina Diaz-de-Heredia
- Division of Pediatric Hematology and Oncology, Hospital Universitari Vall d´Hebron, Vall d'Hebron Institut de Recerca (VHIR), Barcelona, Spain.
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Liu W, Zhu X, Xiao Y. Neurological involvement in hematopoietic stem cell transplantation-associated thrombotic microangiopathy. Ann Hematol 2024:10.1007/s00277-024-05798-6. [PMID: 38763940 DOI: 10.1007/s00277-024-05798-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 05/08/2024] [Indexed: 05/21/2024]
Abstract
Transplantation-associated thrombotic microangiopathy (TA-TMA) is a well-recognized serious complication of hematopoietic stem cell transplantation (HSCT). The understanding of TA-TMA pathophysiology has expanded in recent years. Dysregulation of the complement system is thought to cause endothelial injury and, consequently, microvascular thrombosis and tissue damage. TA-TMA can affect multiple organs, and each organ exhibits specific features of injury. Central nervous system (CNS) manifestations of TA-TMA include posterior reversible encephalopathy syndrome, seizures, and encephalopathy. The development of neurological dysfunction is associated with a significantly lower overall survival in patients with TA-TMA. However, there are currently no established histopathological or radiological criteria for the diagnosis of CNS TMA. Patients who receive total body irradiation (TBI), calcineurin inhibitors (CNI), and severe acute and chronic graft-versus-host disease (GVHD) are at a high risk of experiencing neurological complications related to TA-TMA and should be considered for directed TA-TMA therapy. However, the incidence and clinical manifestations of TA-TMA neurotoxicity remain unclear. Studies specifically examining the involvement of CNS in TMA syndromes are limited. In this review, we discuss clinical manifestations and imaging abnormalities in patients with nervous system involvement in TA-TMA. We summarize the mechanisms underlying TA-TMA and its neurological complications, including endothelial injury, evidence of complement activation, and treatment options for TA-TMA.
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Affiliation(s)
- Wanying Liu
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xiaojian Zhu
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
| | - Yi Xiao
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
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7
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Gundabolu K, Bhatt VR. Averting a terminal transplant cascade. Blood 2024; 143:1059-1060. [PMID: 38512264 DOI: 10.1182/blood.2023023199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024] Open
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Jodele S, Dandoy CE, Aguayo-Hiraldo P, Lane A, Teusink-Cross A, Sabulski A, Mizuno K, Laskin BL, Freedman J, Davies SM. A prospective multi-institutional study of eculizumab to treat high-risk stem cell transplantation-associated TMA. Blood 2024; 143:1112-1123. [PMID: 37946262 PMCID: PMC10972707 DOI: 10.1182/blood.2023022526] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/30/2023] [Accepted: 11/03/2023] [Indexed: 11/12/2023] Open
Abstract
ABSTRACT High-risk, complement mediated, untreated transplant-associated thrombotic microangiopathy (hrTMA) has dismal outcomes due to multi-organ dysfunction syndrome (MODS). The complement C5 blocker eculizumab shows promising results in hrTMA, but has not been prospectively studied in hematopoietic stem cell transplant (HCT) recipients. We performed the first multi-institutional prospective study in children and young adults to evaluate eculizumab as an early targeted intervention for hrTMA/MODS. We hypothesized that eculizumab would more than double survival in HCT recipients with hrTMA, compared to our prior study of prospectively screened, untreated hrTMAs serving as historical controls. HrTMA features (elevated terminal complement (sC5b-9) and proteinuria measured by random urine protein/creatinine ratio (≥1mg/mg)) were required for inclusion. The primary endpoint was survival at 6 six-months from hrTMA diagnosis. Secondary endpoints were cumulative incidence of MODS 6 months after hrTMA diagnosis and 1-year posttransplant survival. Eculizumab dosing included intensive loading, induction, and maintenance phases for up to 24 weeks of therapy. All 21 evaluated study subjects had MODS. Primary and secondary study endpoints were met by demonstrating survival of 71% (P < .0001) 6 months after hrTMA diagnosis and 62% 1 year after transplant. Of fifteen survivors, 11 (73%) fully recovered organ function and are well. Our study demonstrates significant improvement in survival and recovery of organ function in hrTMA using an intensified eculizumab dosing and real time biomarker monitoring. This study serves as a benchmark for planning future studies that should focus on preventative measures or targeted therapy to be initiated prior to organ injury. This trial was registered at www.clinicaltrials.gov as #NCT03518203.
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Affiliation(s)
- Sonata Jodele
- Division of Bone Marrow Transplantation and Immune Deficiency, Cancer and Blood Disease Institute, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH
| | - Christopher E. Dandoy
- Division of Bone Marrow Transplantation and Immune Deficiency, Cancer and Blood Disease Institute, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH
| | - Paibel Aguayo-Hiraldo
- Division of Bone Marrow Transplantation, Children’s Hospital of Los Angeles, Los Angeles, CA
- Keck School of Medicine of University of Southern California, Los Angeles, CA
| | - Adam Lane
- Division of Bone Marrow Transplantation and Immune Deficiency, Cancer and Blood Disease Institute, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH
| | - Ashley Teusink-Cross
- Department of Pharmacy, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
| | - Anthony Sabulski
- Division of Bone Marrow Transplantation and Immune Deficiency, Cancer and Blood Disease Institute, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH
| | - Kana Mizuno
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH
- Division of Clinical Pharmacology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
| | - Benjamin L. Laskin
- Division of Nephrology, Children’s Hospital of Philadelphia, Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA
| | - Jason Freedman
- Division of Oncology, Children’s Hospital of Philadelphia, Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA
| | - Stella M. Davies
- Division of Bone Marrow Transplantation and Immune Deficiency, Cancer and Blood Disease Institute, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH
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9
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Tran MH, Patel S, Desai S, Ciurea S, Lee BJ, Hanna R. Thrombotic microangiopathy - the importance of a multidisciplinary approach. Curr Opin Nephrol Hypertens 2024; 33:247-256. [PMID: 38018789 DOI: 10.1097/mnh.0000000000000954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
PURPOSE OF REVIEW The purpose of this review is to highlight the importance of a multidisciplinary thrombotic microangiopathies (TMA) Team. This goal will be accomplished through review of the complement system, discuss various causes of thrombotic microangiopathies (TMA), and aspects of their diagnosis and management. In so doing, readers will gain an appreciation for the complexity of this family of disorders and realize the benefit of a dedicated multidisciplinary TMA Team. RECENT FINDINGS TMA causes derive from multiple specialty areas, are difficult to timely recognize, pose complex challenges, and require multidisciplinary management. Hematopoietic stem cell transplant-associated TMA (TA-TMA) and TA-TMA related multiorgan dysfunction syndrome (TA-TMA MODS) are areas of burgeoning research; use of complement testing and eculizumab precision-dosing has been found to better suppress complement activity in TA-TMA than standard eculizumab dosing. Newer tests are available to risk-stratify obstetric patients at risk for severe pre-eclampsia, whose features resemble those of TA-TMA MODS. Numerous disorders may produce TMA-like findings, and a systematic approach aids in their identification. TMA Teams elevate institutional awareness of increasingly recognized TMAs, will help expedite diagnostic and therapeutic interventions, and create pathways to future TMA-related research and facilitate access to clinical trials. SUMMARY Establishment of a TMA-Team is valuable in developing the necessary institutional expertise needed to promptly recognize and appropriately manage patients with TMA.
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Affiliation(s)
- Minh-Ha Tran
- University of California-Irvine, Department of Pathology-Division of Transfusion Medicine
| | - Samir Patel
- University of California Irvine, Department of Medicine - Division of Nephrology
| | - Sheetal Desai
- University of California-Irvine, Department of Medicine- Division of Rheumatology
| | - Stefan Ciurea
- University of California Irvine, Department of Medicine- Division of Hematology-Oncology-HSCT/CT Program
| | - Benjamin J Lee
- University of California Irvine, Department of Pharmacy, Irvine, California, USA
| | - Ramy Hanna
- University of California Irvine, Department of Medicine - Division of Nephrology
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10
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Jodele S, Mizuno K, Sabulski A, Vinks AA. Adopting Model-Informed Precision-Dosing for Eculizumab in Transplant Associated-Thrombotic Microangiopathy to Gene Therapies. Clin Pharmacol Ther 2023; 114:511-514. [PMID: 37387481 DOI: 10.1002/cpt.2966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 05/31/2023] [Indexed: 07/01/2023]
Affiliation(s)
- Sonata Jodele
- Division of Bone Marrow Transplantation and Immune Deficiency, Cancer and Blood Disease Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Kana Mizuno
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
- Division of Clinical Pharmacology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Anthony Sabulski
- Division of Bone Marrow Transplantation and Immune Deficiency, Cancer and Blood Disease Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Alexander A Vinks
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
- Division of Clinical Pharmacology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
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11
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Stanulla M, Schewe DM, Bornhauser B, Bourquin JP, Eckert C, Eberl W, Wolf S, Wolf J, Vogiatzi F, Bergmann AK, Cario G, Beier R, Sauer M, Kratz CP, Maecker-Kolhoff B. Molecular complete remission following combination treatment of daratumumab and venetoclax in an adolescent with relapsed mixed phenotype acute leukemia. Ann Hematol 2023; 102:669-672. [PMID: 36651980 PMCID: PMC9977701 DOI: 10.1007/s00277-023-05083-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 12/29/2022] [Indexed: 01/19/2023]
Affiliation(s)
- Martin Stanulla
- Department of Pediatric Hematology and Oncology, Hannover Medical School, Carl-Neuberg-Str. 1, D-30625, Hannover, Germany.
| | - Denis M. Schewe
- grid.5807.a0000 0001 1018 4307Department of Pediatrics, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Beat Bornhauser
- grid.412341.10000 0001 0726 4330Division of Pediatric Oncology, and Children Research Center, University Children’s Hospital, Zurich, Switzerland
| | - Jean-Pierre Bourquin
- grid.412341.10000 0001 0726 4330Division of Pediatric Oncology, and Children Research Center, University Children’s Hospital, Zurich, Switzerland
| | - Cornelia Eckert
- grid.6363.00000 0001 2218 4662Charité, University Hospital Berlin, Pediatric Hematology/Oncology, Berlin, Germany
| | - Wolfgang Eberl
- grid.419806.20000 0004 0558 1406Center for Child and Adolescent Medicine, Department of Hematology and Oncology, Städtisches Klinikum Braunschweig gGmbH, Braunschweig, Germany
| | - Saskia Wolf
- grid.5807.a0000 0001 1018 4307Department of Pediatrics, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Julian Wolf
- grid.5807.a0000 0001 1018 4307Department of Pediatrics, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Fotini Vogiatzi
- grid.412468.d0000 0004 0646 2097Pediatric Hematology/Oncology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Anke K. Bergmann
- grid.10423.340000 0000 9529 9877Institute of Human Genetics, Hannover Medical School, Hannover, Germany
| | - Gunnar Cario
- grid.412468.d0000 0004 0646 2097Pediatric Hematology/Oncology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Rita Beier
- grid.10423.340000 0000 9529 9877Department of Pediatric Hematology and Oncology, Hannover Medical School, Carl-Neuberg-Str. 1, D-30625, Hannover, Germany
| | - Martin Sauer
- grid.10423.340000 0000 9529 9877Department of Pediatric Hematology and Oncology, Hannover Medical School, Carl-Neuberg-Str. 1, D-30625, Hannover, Germany
| | - Christian P. Kratz
- grid.10423.340000 0000 9529 9877Department of Pediatric Hematology and Oncology, Hannover Medical School, Carl-Neuberg-Str. 1, D-30625, Hannover, Germany
| | - Britta Maecker-Kolhoff
- grid.10423.340000 0000 9529 9877Department of Pediatric Hematology and Oncology, Hannover Medical School, Carl-Neuberg-Str. 1, D-30625, Hannover, Germany
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12
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Complement System as a New Target for Hematopoietic Stem Cell Transplantation-Related Thrombotic Microangiopathy. Pharmaceuticals (Basel) 2022; 15:ph15070845. [PMID: 35890144 PMCID: PMC9325021 DOI: 10.3390/ph15070845] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/04/2022] [Accepted: 07/05/2022] [Indexed: 02/07/2023] Open
Abstract
Thrombotic microangiopathy (TMA) is a complication that may occur after autologous or allogeneic hematopoietic stem cell transplantation (HSCT) and is conventionally called transplant-associated thrombotic microangiopathy (TA-TMA). Despite the many efforts made to understand the mechanisms of TA-TMA, its pathogenesis is largely unknown, its diagnosis is challenging and the case-fatality rate remains high. The hallmarks of TA-TMA, as for any TMA, are platelet consumption, hemolysis, and organ dysfunction, particularly the kidney, leading also to hypertension. However, coexisting complications, such as infections and/or immune-mediated injury and/or drug toxicity, together with the heterogeneity of diagnostic criteria, render the diagnosis difficult. During the last 10 years, evidence has been provided on the involvement of the complement system in the pathophysiology of TA-TMA, supported by functional, genetic, and therapeutic data. Complement dysregulation is believed to collaborate with other proinflammatory and procoagulant factors to cause endothelial injury and consequent microvascular thrombosis and tissue damage. However, data on complement activation in TA-TMA are not sufficient to support a systematic use of complement inhibition therapy in all patients. Thus, it seems reasonable to propose complement inhibition therapy only to those patients exhibiting a clear complement activation according to the available biomarkers. Several agents are now available to inhibit complement activity: two drugs have been successfully used in TA-TMA, particularly in pediatric cases (eculizumab and narsoplimab) and others are at different stages of development (ravulizumab, coversin, pegcetacoplan, crovalimab, avacopan, iptacopan, danicopan, BCX9930, and AMY-101).
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The Role of Complement in HSCT-TMA: Basic Science to Clinical Practice. Adv Ther 2022; 39:3896-3915. [PMID: 35781192 PMCID: PMC9402756 DOI: 10.1007/s12325-022-02184-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 05/06/2022] [Indexed: 12/05/2022]
Abstract
Hematopoietic stem cell transplantation-associated thrombotic microangiopathy (HSCT-TMA) is a common complication occurring post-HSCT and is associated with substantial morbidity and mortality if not promptly identified and treated. Emerging evidence suggests a central role for the complement system in the pathogenesis of HSCT-TMA. The complement system has also been shown to interact with other pathways and processes including coagulation and inflammation, all of which are activated following HSCT. Three endothelial cell-damaging “hits” are required for HSCT-TMA genesis: a genetic predisposition or existing damage, an endothelial cell-damaging conditioning regimen, and additional damaging insults. Numerous risk factors for the development of HSCT-TMA have been identified (including primary diagnosis, graft type, and conditioning regimen) and validated lists of relatively simple diagnostic signs and symptoms exist, many utilizing routine clinical and laboratory assessments. Despite the relative ease with which HSCT-TMA can be screened for, it is often overlooked or masked by other common post-transplant conditions. Recent evidence that patients with HSCT-TMA may also concurrently present with these differential diagnoses only serve to further confound its identification and treatment. HSCT-TMA may be treated, or even prevented, by removing or ameliorating triggering “hits”, and recent studies have also shown substantial utility of complement-targeted therapies in this patient population. Further investigation into optimal management and treatment strategies is needed. Greater awareness of TMA post-HSCT is urgently needed to improve patient outcomes; the objective of this article is to clarify current understanding, explain underlying complement biology and provide simple tools to aid the early recognition, management, and monitoring of HSCT-TMA.
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Jodele S, Dandoy CE, Sabulski A, Koo J, Lane A, Myers KC, Wallace G, Chima RS, Teusink-Cross A, Hirsch R, Ryan TD, Benoit S, Davies SM. TA-TMA risk stratification: is there a window of opportunity to improve outcomes? Transplant Cell Ther 2022; 28:392.e1-392.e9. [DOI: 10.1016/j.jtct.2022.04.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/20/2022] [Accepted: 04/22/2022] [Indexed: 10/18/2022]
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