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Laribi K, Baugier de Materre A, Sobh M, Cerroni L, Valentini CG, Aoki T, Suzuki R, Takeuchi K, Frankel AE, Cota C, Ghez D, Le Calloch R, Pagano L, Petrella T. Blastic plasmacytoid dendritic cell neoplasms: results of an international survey on 398 adult patients. Blood Adv 2020; 4:4838-4848. [PMID: 33027528 PMCID: PMC7556130 DOI: 10.1182/bloodadvances.2020002474] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 09/02/2020] [Indexed: 02/06/2023] Open
Abstract
The purpose of this study is to describe the clinical and prognostic features and to evaluate the outcome of different therapeutic approaches among patients with blastic plasmacytoid dendritic cell neoplasm (BPDCN) who have been diagnosed and treated in different institutions. A total of 398 patients from 75 centers were included in the study. Treatment consisted of non-Hodgkin lymphoma (NHL)-like regimens in 129 (32.8%) patients and acute leukemia (AL)-like regimens in 113 (23.5%) patients. In 61 (15.5%) and 16 (4.1%) patients, chemotherapy was followed by allogeneic and autologous hematopoietic stem cell transplantation (HSCT), respectively. Twenty-seven (6.9%) patients received radiotherapy, 6 (1.5%) received new agents, and 62 (15.7%) received palliative care. After a median follow-up of 12 months, median overall survival (OS) was 18 months. Patients who received NHL/AL-like regimens, followed by allogeneic HSCT, had the best outcome; median OS was not reached. OS was 65 months for patients who underwent autologous HSCT; 18 months and 14 months, respectively, for those treated with AL-like and NHL-like regimens without consolidation; and 4 months for those receiving palliative care (P < .001). In BPDCN, chemotherapy with lymphoma- or AL-like regimens, followed by transplantation, represents the therapeutic strategy associated with the best outcome. Consolidation with allogeneic HSCT, when feasible, appears superior to autologous HSCT.
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Affiliation(s)
- Kamel Laribi
- Department of Hematology, Centre Hospitalier Le Mans, Le Mans, France
| | | | - Mohamad Sobh
- Hematology, BMT Program, The Ottawa Hospital, Ottawa, ON, Canada
| | - Lorenzo Cerroni
- Department of Dermatology, Medical University of Graz, Graz, Austria
| | | | - Tomohiro Aoki
- Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Ritsuro Suzuki
- Department of Oncology/Hematology, Shimane University Hospital, Izumo, Japan
| | - Kengo Takeuchi
- Pathology Project for Molecular Targets and Division of Pathology, The Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Arthur E Frankel
- University of South Alabama Mitchell Cancer Institute, Mobile, AL
| | - Carlo Cota
- Department of Dermatology, IRCCS INRCA, Ancona, Italy
| | - David Ghez
- Department of Hematology, Institut Gustave Roussy, Villejuif, France
| | - Ronan Le Calloch
- Service de Médecine Interne-Maladies du Sang-Maladies Infectieuses, Centre Hospitalier de Cornouaille, Quimper, France; and
| | - Livio Pagano
- Fondazione Policlinico Universitario A. Gemelli, IRCCS-Università Cattolica del Sacro Cuore, Rome, Italy
| | - Tony Petrella
- Department of Pathology, University of Montréal, Hospital Maisonneuve-Rosemont, Montreal, QC, Canada
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Cangini D, Silimbani P, Cafaro A, Giannini MB, Masini C, Ghelli Luserna Di Rorà A, Simonetti G, Martinelli G, Cerchione C. Tagraxofusp and anti-CD123 in blastic plasmacytoid dendritic cell neoplasm: a new hope. Minerva Med 2020; 111:467-477. [PMID: 32955827 DOI: 10.23736/s0026-4806.20.07018-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a rare hematological malignancy, characterized by poor prognosis if treated with conventional therapy. Allogenic hematologic stem cell transplant can improve survival and can be curative, but it is available in a small percentage of patients given that the median age at diagnosis is 70 years. In this scenario it is assumed that only the development of precision medicine-driven therapy will change BPDCN patient prognosis. CD123 (the α-subunit of interleukin (IL)-3 receptor) is over-expressed on BPDCN cells surface and seems to be the ideal marker to develop antibody-based therapies. Tagraxofusp (Elzonris<sup>®</sup>), a recombinant immunotoxin consisting of human interleukin-3 fused to a truncated diphtheria toxin, has been approved by FDA in December 2018 for the treatment of BPDCN in adult and pediatric patients. tagraxofusp has shown promising clinical activity, with a high overall response rate and quite manageable safety profile even in elderly patients. It seems to improve overall survival too, but comparative trials are necessary to confirm this. Adverse events are commonly reported and the most important are transaminitis, thrombocytopenia and capillary leak syndrome (CLS). Therefore, to prevent the onset of severe CLS is recommended to reserve tagraxofusp for patients with preserved hepatic and cardiac functions, and to strictly observe serum albumin level. Further studies are required to resolve many several unanswered questions about tagraxofusp. In this review, we will resume and discuss pharmacological characteristic of tagraxofusp, results of clinical trials leading to its approval by FDA in 2018 and future perspectives about its use in BPDCN and other hematological malignancies.
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Affiliation(s)
- Delia Cangini
- Unit of Hematology, IRCCS Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST), Meldola, Forlì-Cesena, Italy
| | - Paolo Silimbani
- Unit of Oncological Pharmacy, IRCCS Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST), Meldola, Forlì-Cesena, Italy
| | - Alessandro Cafaro
- Unit of Oncological Pharmacy, IRCCS Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST), Meldola, Forlì-Cesena, Italy
| | - Maria B Giannini
- Unit of Hematology, IRCCS Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST), Meldola, Forlì-Cesena, Italy
| | - Carla Masini
- Unit of Oncological Pharmacy, IRCCS Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST), Meldola, Forlì-Cesena, Italy
| | - Andrea Ghelli Luserna Di Rorà
- Laboratory of Biosciences, IRCCS Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST), Meldola, Forlì-Cesena, Italy
| | - Giorgia Simonetti
- Laboratory of Biosciences, IRCCS Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST), Meldola, Forlì-Cesena, Italy
| | - Giovanni Martinelli
- IRCCS Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST), Meldola, Forlì-Cesena, Italy
| | - Claudio Cerchione
- Unit of Hematology, IRCCS Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST), Meldola, Forlì-Cesena, Italy -
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How should we diagnose and treat blastic plasmacytoid dendritic cell neoplasm patients? Blood Adv 2020; 3:4238-4251. [PMID: 31869411 DOI: 10.1182/bloodadvances.2019000647] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 08/14/2019] [Indexed: 11/20/2022] Open
Abstract
Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a rare and aggressive leukemia for which we developed a nationwide network to collect data from new cases diagnosed in France. In a retrospective, observational study of 86 patients (2000-2013), we described clinical and biological data focusing on morphologies and immunophenotype. We found expression of markers associated with plasmacytoid dendritic cell origin (HLA-DRhigh, CD303+, CD304+, and cTCL1+) plus CD4 and CD56 and frequent expression of isolated markers from the myeloid, B-, and T-lymphoid lineages, whereas specific markers (myeloperoxidase, CD14, cCD3, CD19, and cCD22) were not expressed. Fifty-one percent of cytogenetic abnormalities impact chromosomes 13, 12, 9, and 15. Myelemia was associated with an adverse prognosis. We categorized chemotherapeutic regimens into 5 groups: acute myeloid leukemia (AML)-like, acute lymphoid leukemia (ALL)-like, lymphoma (cyclophosphamide, doxorubicin, vincristine, and prednisone [CHOP])-like, high-dose methotrexate with asparaginase (Aspa-MTX) chemotherapies, and not otherwise specified (NOS) treatments. Thirty patients received allogeneic hematopoietic cell transplantation (allo-HCT), and 4 patients received autologous hematopoietic cell transplantation. There was no difference in survival between patients receiving AML-like, ALL-like, or Aspa-MTX regimens; survival was longer in patients who received AML-like, ALL-like, or Aspa-MTX regimens than in those who received CHOP-like regimens or NOS. Eleven patients are in persistent complete remission after allo-HCT with a median survival of 49 months vs 8 for other patients. Our series confirms a high response rate with a lower toxicity profile with the Aspa-MTX regimen, offering the best chance of access to hematopoietic cell transplantation and a possible cure.
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Pemmaraju N, Konopleva M. Approval of tagraxofusp-erzs for blastic plasmacytoid dendritic cell neoplasm. Blood Adv 2020; 4:4020-4027. [PMID: 32841341 PMCID: PMC7448601 DOI: 10.1182/bloodadvances.2019000173] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 07/20/2020] [Indexed: 02/06/2023] Open
Abstract
Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a rare and clinically challenging hematologic malignancy with dismal outcomes. With a median age of ∼70 years, the majority of patients with BPDCN have experienced historically suboptimal responses with intensive chemotherapy regimens. The major scientific breakthrough in this field was the recognition of overexpression of a surface receptor, CD123/interleukin 3 (IL-3) receptor α, in all patients. Importantly, a novel therapeutic agent consisting of a truncated diphtheria toxin (DT) payload fused to recombinant human IL-3 was being developed, one that targeted CD123, initially known as DT-IL-3 (later known as SL401; tagraxofusp; tagraxofusp-erzs [Elzonris]). The identification of this agent, and subsequent clinical trials specifically dedicated to patients with BPDCN (including a pilot study, followed by a larger phase 1/2 multicenter study [90% overall response rate [ORR] in frontline and 67% ORR in relapsed/refractory setting]), in part led to approval of tagraxofusp-erzs on 21 December 2018. Tagraxofusp-erzs was the first agent approved for BPDCN (for patients ages 2 years and older), and importantly, established this drug as the first CD123-targeted agent ever approved. The most notable toxicity of tagraxofusp-erzs is occurrence of the capillary leak syndrome, which occurs frequently at all grades, and has also been observed to be life-threatening, appropriately leading to a US Food and Drug Administration "black box" warning in the package insert. The preclinical and clinical aspects of drug development of tagraxofusp-erzs as monotherapy leading to drug approval are reviewed herein, with discussion of future directions of this novel agent, including consideration for rational combinations in BPDCN and beyond.
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Affiliation(s)
| | - Marina Konopleva
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
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Updates in Novel Therapies for Blastic Plasmacytoid Dendritic Cell Neoplasm (BPDCN). Curr Hematol Malig Rep 2020; 14:515-522. [PMID: 31853773 DOI: 10.1007/s11899-019-00556-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
PURPOSE OF REVIEW Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a rare, clinically aggressive hematologic malignancy that has heterogeneous presentation and can involve the skin, lymph nodes, and bone marrow. Recent advancements in our patho-biologic understanding of the disease have led to the development of new targeted therapies for BPDCN. In this review, we aimed to describe some of the novel treatments that are being put forward for the management of BPDCN. RECENT FINDINGS Tagraxofusp is the first CD123-targeted therapy approved as the first ever targeted treatment of BPDCN in patients aged 2 years and older. This agent was approved based on a pivotal clinical trial that showed that it was associated with high rates of clinical responses in both treatment-naïve and treatment-experienced patients. The most serious adverse event was occurrence of the capillary leak syndrome. Other targeted therapies are actively being investigated in clinical trials. These include other CD123-targeted approaches, as well as active investigation in targets beyond CD123, such as the BCL-2 inhibitor, venetoclax. BPDCN is a rare hematologic clonal disorder with historically poor outcomes. Newer targeted therapies have been recently introduced, with promising results and novel toxicities that are important to recognize and understand. Stem cell transplantation after achievement of complete remission remains the mainstay of therapy among younger/fit, eligible patients, regardless of treatment modality used.
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56
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Beziat G, Ysebaert L. Tagraxofusp for the Treatment of Blastic Plasmacytoid Dendritic Cell Neoplasm (BPDCN): A Brief Report on Emerging Data. Onco Targets Ther 2020; 13:5199-5205. [PMID: 32606740 PMCID: PMC7293389 DOI: 10.2147/ott.s228342] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 05/27/2020] [Indexed: 12/18/2022] Open
Abstract
Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a rare myeloid malignancy, for which conventional chemotherapy has poor outcomes. CD123, the α-subunit of interleukin (IL)-3 receptor, is constantly overexpressed at the surface of tumoral cells. Tagraxofusp (or SL-401) is a recombinant cytotoxin which consists of human interleukin-3 fused to a truncated diphtheria toxin. It is currently the only novel therapy with a prospective evaluation of efficacy and safety in the treatment of BPDCN and is also the only one to achieve FDA approval. In this short review, the results of tagraxofusp are summarized and perspectives of its use in BPDCN and in other malignancies are discussed. The safety profile is also summarized, since capillary leak syndrome is the main toxic effect of the drug, along with more common toxicities including an increase in transaminases and thrombocytopenia.
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Affiliation(s)
- Guillaume Beziat
- Hematology Department, University Hospitals of Toulouse, IUC Toulouse-Oncopole, Toulouse, France
| | - Loïc Ysebaert
- Hematology Department, University Hospitals of Toulouse, IUC Toulouse-Oncopole, Toulouse, France.,University Toulouse-3 Paul Sabatier, Toulouse, France
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57
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Novel Therapies for Blastic Plasmacytoid Dendritic Cell Neoplasm. Hematol Oncol Clin North Am 2020; 34:589-600. [DOI: 10.1016/j.hoc.2020.01.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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58
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Abstract
PURPOSE OF REVIEW The purpose of this review was to summarize the clinical, diagnostic, and therapeutic features of blastic plasmacytoid dendritic cell neoplasm (BPDCN). RECENT FINDINGS Several case reports and series revealed new clinical, molecular, diagnostic, and therapeutic aspects of the disease. The clinical presentation diversity has been confirmed, with frequent leukemic non-cutaneous or rare atypical manifestations. The clonal evolution in the development of BPDCN has not been sufficiently elucidated. Although certain immunophenotypic markers (CD4, TCL1, CD123, CD56, CD303) are indicative of BPDCN, the diagnosis remains in certain cases challenging. Adult (ALL)-type chemotherapy followed by hematopoietic stem cell transplantation (HSCT) is related to a favorable outcome, while chemotherapy alone seems enough in children. Future studies should continue to investigate whether CD123-directed therapies could be utilized. BPDCN is a rare aggressive malignancy that needs an aggressive induction therapy. Although a diagnostic consensus is still lacking, and large retrospective studies are also needed to obtain standardized treatment guidelines, the future perspectives are encouraging, because of novel therapeutic agents that are under investigation.
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Affiliation(s)
- Nikolaos J Tsagarakis
- Department of Immunology, "G. Gennimatas" General Hospital, Mesogion Avenue 154, 11527, Athens, Greece.
| | - Georgios Paterakis
- Department of Immunology, "G. Gennimatas" General Hospital, Mesogion Avenue 154, 11527, Athens, Greece
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59
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Abstract
Blastic plasmacytoid dendritic cell neoplasm (BPDCN) has to be considered an orphan tumoral disease. BPDCN is a good model concerning the structuring and the organization of a concerted medical program on a nation-based, transnational, or international level. In 2019 in France the diagnosis process for BPDCN was clearly established. Two prospective clinical trials are ongoing. Because of the difficulties in diagnostic procedures and the rarity of the disease it is important that European countries collaborate to build a real European network to ensure the best and equitable medical care to all BPDCN patients.
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60
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Deconinck E, Petrella T, Garnache Ottou F. Blastic Plasmacytoid Dendritic Cell Neoplasm: Clinical Presentation and Diagnosis. Hematol Oncol Clin North Am 2020; 34:491-500. [PMID: 32336414 DOI: 10.1016/j.hoc.2020.01.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Clinical and biological presentation of patients with blastic plasmacytoid dendritic cell neoplasm (BPDCN) is depicted to highlight criteria that might alert physicians. Diagnosis of BPDCN is still challenging and requires (1) immunophenotyping of blood or bone marrow aspiration using several markers (CD4, CD56, HLA-DR, myeloid and lymphoid lineage markers) and should include pDC markers such as CD123, cTCL1, CD303, and CD304, and/or (2) pathologic analysis of cutaneous lesions, also with immunohistochemistry using markers specific to BPDCN.
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Affiliation(s)
- Eric Deconinck
- Service Hématologie, Université de Bourgogne Franche-Comté, INSERM Unite Mixte de Recherche (UMR) 1098, RIGHT Interactions Greffon-Hôte-Tumeur/Ingénierie Cellulaire et Génique, Centre Hospitalier Universitaire de Besançon, 3 Boulevard Alexandre Fleming, Besançon Cedex 25030, France
| | - Tony Petrella
- Department of Pathology, University of Montréal, Hôpital Maisonneuve-Rosemont, 2900 Boulevard Edouard-Montpetit, Montréal QC H3T 1J4, Quebec, Canada
| | - Francine Garnache Ottou
- Université de Bourgogne Franche-Comté, INSERM Unite Mixte de Recherche (UMR) 1098, RIGHT Interactions Greffon-Hôte-Tumeur/Ingénierie Cellulaire et Génique, Etablissement Français du sang Bourgogne Franche-Comté, 8 rue du Dr JFX Girod, Besançon 25000, France.
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61
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Hirner JP, O'Malley JT, LeBoeuf NR. Blastic Plasmacytoid Dendritic Cell Neoplasm: The Dermatologist's Perspective. Hematol Oncol Clin North Am 2020; 34:501-509. [PMID: 32336415 DOI: 10.1016/j.hoc.2020.01.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a rare, aggressive malignancy derived from the plasmacytoid dendritic cell that commonly involves the skin. Cutaneous involvement is often the initial presentation, with deep purple or red-brown macules, plaques, or tumors. As such, dermatologists may be the first to see these patients and, in addition to oncologists, should be familiar with its presentation to facilitate early diagnosis, helping to distinguish it from acute myelogenous leukemia cutis.
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Affiliation(s)
- Jesse P Hirner
- Department of Dermatology, The Center For Cutaneous Oncology, Dana-Farber Cancer Institute, Brigham and Women's Hospital, Harvard Medical School, 375 Longwood Avenue, Boston, MA 02115, USA
| | - John T O'Malley
- Department of Dermatology, The Center For Cutaneous Oncology, Dana-Farber Cancer Institute, Brigham and Women's Hospital, Harvard Medical School, 375 Longwood Avenue, Boston, MA 02115, USA
| | - Nicole R LeBoeuf
- Department of Dermatology, The Center For Cutaneous Oncology, Dana-Farber Cancer Institute, Brigham and Women's Hospital, Harvard Medical School, 375 Longwood Avenue, Boston, MA 02115, USA.
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Abstract
BPDCN is ultimately a bone marrow disease requiring induction-type eradication therapy followed by hematopoietic stem cell transplant (HSCT) to achieve long-lasting remissions or cure. Various regimens have been applied to this disease with varying success. A cumulative review of the literature suggests more intense regimens have greater efficacy with acute lymphoblastic leukemia regimens preferred to acute myeloid leukemia regimens. This approach benefits fit patients who are eligible for HSCT; however, most BPDCN patients require other treatment options. The recent FDA approval of the CD123-targeted agent tagraxofusp provides a novel therapeutic alternative to traditional chemotherapy but with potential toxicities.
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63
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Hammond D, Pemmaraju N. Tagraxofusp for Blastic Plasmacytoid Dendritic Cell Neoplasm. Hematol Oncol Clin North Am 2020; 34:565-574. [PMID: 32336420 DOI: 10.1016/j.hoc.2020.01.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Tagraxofusp, a CD123-targeted immunotoxin, is the first FDA-approved treatment for patients 2 years and older with blastic plasmacytoid dendritic cell neoplasm (BPDCN). It has been shown to be safe and effective in treatment-naïve and previously treated adult patients, with high rates of successful bridging to hematopoietic stem cell transplantation. The pediatric experience is more limited but demonstrates safety. Given the risk of potentially fatal capillary leak syndrome with tagraxofusp, judicious patient selection is recommended. Combination therapy with hypomethylating agents and/or BCL-2 inhibitors are rational next lines of investigation, especially in patients ineligible to receive high-dose chemotherapy.
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Affiliation(s)
- Danielle Hammond
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX 77030, USA. https://twitter.com/DanielleHammo20
| | - Naveen Pemmaraju
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX 77030, USA.
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64
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Zhang X, Sun J, Yang M, Wang L, Jin J. New perspectives in genetics and targeted therapy for blastic plasmacytoid dendritic cell neoplasm. Crit Rev Oncol Hematol 2020; 149:102928. [PMID: 32234682 DOI: 10.1016/j.critrevonc.2020.102928] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Revised: 12/26/2019] [Accepted: 03/02/2020] [Indexed: 01/12/2023] Open
Abstract
Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is one rare but clinically aggressive hematological malignancy, and it is typically characterized by skin lesion and bone marrow involvement. Diagnosis of BPDCN relies on the immunophenotype positive for four of CD4, CD56, CD123, TCL1 and BDCA-2, and commonly without the expression of MPO, cytoplasmic CD3, CD13, CD64, cytoplasmic CD79a, CD19 and CD20. Commonly, BPDCN is characterized by high CD123 expression, aberrant NF-κB activation, dependence on TCF4-/BRD4-network, and deregulated cholesterol metabolism. Under conventional therapy, the survival duration is only improved in a small number of BPDCN patients. Therefore, targeted therapy should be developed. Up to now, tagraxofusp is the leading edge and has been approved for BPDCN treatment. However, most of other targeted therapy agents were still not pushed to clinical trials for BPDCN. In this review, we emphatically discuss recent perspectives on BPDCN genetic features and developments of its targeted therapy.
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Affiliation(s)
- Xiang Zhang
- Department of Hematology, The First Affiliated Hospital, Zhejiang University College of Medicine, Hangzhou, Zhejiang, China; Key Laboratory of Hematologic Malignancies, Diagnosis and Treatment, Zhejiang, Hangzhou, Zhejiang, China; Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China.
| | - Jiewen Sun
- Center Laboratory, Affiliated Secondary Hospital, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China.
| | - Min Yang
- Department of Hematology, The First Affiliated Hospital, Zhejiang University College of Medicine, Hangzhou, Zhejiang, China; Key Laboratory of Hematologic Malignancies, Diagnosis and Treatment, Zhejiang, Hangzhou, Zhejiang, China; Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China.
| | - Lei Wang
- Department of Hematology, The First Affiliated Hospital, Zhejiang University College of Medicine, Hangzhou, Zhejiang, China; Key Laboratory of Hematologic Malignancies, Diagnosis and Treatment, Zhejiang, Hangzhou, Zhejiang, China; Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China.
| | - Jie Jin
- Department of Hematology, The First Affiliated Hospital, Zhejiang University College of Medicine, Hangzhou, Zhejiang, China; Key Laboratory of Hematologic Malignancies, Diagnosis and Treatment, Zhejiang, Hangzhou, Zhejiang, China; Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China.
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65
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Jen EY, Gao X, Li L, Zhuang L, Simpson NE, Aryal B, Wang R, Przepiorka D, Shen YL, Leong R, Liu C, Sheth CM, Bowen S, Goldberg KB, Farrell AT, Blumenthal GM, Pazdur R. FDA Approval Summary: Tagraxofusp-erzs For Treatment of Blastic Plasmacytoid Dendritic Cell Neoplasm. Clin Cancer Res 2019; 26:532-536. [DOI: 10.1158/1078-0432.ccr-19-2329] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 08/20/2019] [Accepted: 09/18/2019] [Indexed: 11/16/2022]
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