Brentuximab vedotin: clinical updates and practical guidance

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Abstract

Brentuximab vedotin (BV), a potent antibody-drug conjugate, targets the CD30 antigen. Owing to the remarkable efficacy shown in CD30-positive lymphomas, such as Hodgkin's lymphoma and systemic anaplastic large-cell lymphoma, BV was granted accelerated approval in 2011 by the US Food and Drug Administration. Thereafter, many large-scale trials in various situations have been performed, which led to extensions of the original indication. The aim of this review was to describe the latest updates on clinical trials of BV and the in-practice guidance for the use of BV.

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Most cited references 84

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ALK- anaplastic large-cell lymphoma is clinically and immunophenotypically different from both ALK+ ALCL and peripheral T-cell lymphoma, not otherwise specified: report from the International Peripheral T-Cell Lymphoma Project.

Kerry J. Savage, Nancy Lee Harris, Julie Vose … (2008)

The International Peripheral T-Cell Lymphoma Project is a collaborative effort designed to gain better understanding of peripheral T-cell and natural killer (NK)/T-cell lymphomas (PTCLs). A total of 22 institutions in North America, Europe, and Asia submitted clinical and pathologic information on PTCLs diagnosed and treated at their respective centers. Of the 1314 eligible patients, 181 had anaplastic large-cell lymphoma (ALCL; 13.8%) on consensus review: One hundred fifty-nine had systemic ALCL (12.1%) and 22 had primary cutaneous ALCL (1.7%). Patients with anaplastic lymphoma kinase-positive (ALK(+)) ALCL had a superior outcome compared with those with ALK(-) ALCL (5-year failure-free survival [FFS], 60% vs 36%; P = .015; 5-year overall survival [OS], 70% vs 49%; P = .016). However, contrary to prior reports, the 5-year FFS (36% vs 20%; P = .012) and OS (49% vs 32%; P = .032) were superior for ALK(-) ALCL compared with PTCL, not otherwise specified (PTCL-NOS). Patients with primary cutaneous ALCL had a very favorable 5-year OS (90%), but with a propensity to relapse (5-year FFS, 55%). In summary, ALK(-) ALCL should continue to be separated from both ALK(+) ALCL and PTCL-NOS. Although the prognosis of ALK(-) ALCL appears to be better than that for PTCL-NOS, it is still unsatisfactory and better therapies are needed. Primary cutaneous ALCL is associated with an indolent course.

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The expression of the Hodgkin's disease associated antigen Ki-1 in reactive and neoplastic lymphoid tissue: evidence that Reed-Sternberg cells and histiocytic malignancies are derived from activated lymphoid cells.

J Wainscoat, H. Lemke, Marie N. O'Connor … (1985)

Ki-1 is a monoclonal antibody (raised against a Hodgkin's disease-derived cell line) that, in biopsy tissue affected by Hodgkin's disease, reacts selectively with Reed-Sternberg cells. The expression of Ki-1 antigen has been analyzed by immunocytochemical techniques in a wide range of human tissue and cell samples, including fetal tissue, malignant lymphomas (290 cases), and mitogen- and virus-transformed peripheral blood lymphocytes. The antigen was detectable on a variable proportion of cells in all cases of lymphomatoid papulosis and angio-immunoblastic lymphadenopathy and in 28% of the cases of peripheral T cell lymphomas (including lympho-epithelioid lymphomas). It was also expressed (more strongly) on tumor cells in 45 cases of diffuse large-cell lymphoma, most of which had originally been diagnosed as malignant histiocytosis or anaplastic carcinoma, because of their bizarre morphology. However, all of these cases lacked macrophage and epithelial antigens. Thirty-five cases expressed T cell-related antigens (associated in nine cases with the coexpression of B cell-related antigens), seven bore B cell-related antigens alone, and three were devoid of T and B cell markers. DNA hybridization with a JH specific probe showed a germline configuration in 11 cases of T cell phenotype, in two cases lacking T and B cell antigens, and in one case of mixed T/B phenotype, while rearrangement was found in two cases of clear B cell type and in one mixed T/B case. Expression of the Ki-1 antigen could be induced, together with interleukin 2 (IL 2) receptor, on normal lymphoid cells of both T and B cell type by exposure to phytohemagglutinin, human T leukemia viruses, Epstein-Barr virus, or Staphylococcus aureus. The results obtained indicate that Ki-1 antigen is an inducible lymphoid-associated molecule that identifies a group of hitherto poorly characterized normal and neoplastic large lymphoid cells. Tumors comprised solely of these cells show both morphological and immunological similarities to the neoplastic cells in Hodgkin's disease. This suggests that both disorders represent the neoplastic proliferation of activated lymphoid cells of either T cell or, less commonly, B cell origin. Disorders in which only a minority of cells express Ki-1 antigen (lymphomatoid papulosis, angio-immunoblastic lymphadenopathy, and certain T cell lymphomas) probably represent lesions in which only some of the abnormal cells have transformed into an "activation state." In direct support of this view is the finding that the Ki-1 expression in these lesions is accompanied by the expression of HLA-DR and IL 2 receptors.

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Intracellular activation of SGN-35, a potent anti-CD30 antibody-drug conjugate.

M Alley, Xinqun Zhang, Maurice L. Sievers … (2010)

SGN-35 is an antibody-drug conjugate (ADC) containing the potent antimitotic drug, monomethylauristatin E (MMAE), linked to the anti-CD30 monoclonal antibody, cAC10. As previously shown, SGN-35 treatment regresses and cures established Hodgkin lymphoma and anaplastic large cell lymphoma xenografts. Recently, the ADC has been shown to possess pronounced activity in clinical trials. Here, we investigate the molecular basis for the activities of SGN-35 by determining the extent of targeted intracellular drug release and retention, and bystander activities. SGN-35 was prepared with (14)C-labeled MMAE. Intracellular ADC activation on CD30(+) and negative cell lines was determined using a combination of radiometric and liquid chromatograhpy/mass spectrometry-based assays. The bystander activity of SGN-35 was determined using mixed tumor cell cultures consisting of CD30(+) and CD30(-) lines. SGN-35 treatment of CD30(+) cells leads to efficient intracellular release of chemically unmodified MMAE, with intracellular concentrations of MMAE in the range of 500 nmol/L. This was due to specific ADC binding, uptake, MMAE retention, and receptor recycling or resynthesis. MMAE accounts for the total detectable released drug from CD30(+) cells, and has a half-life of retention of 15 to 20 h. Cytotoxicity studies with mixtures of CD30(+) and CD30(-) cell lines indicated that diffusible released MMAE from CD30(+) cells was able to kill cocultivated CD30(-) cells. MMAE is efficiently released from SGN-35 within CD30(+) cancer cells and, due to its membrane permeability, is able to exert cytotoxic activity on bystander cells. This provides mechanistic insight into the pronounced preclinical and clinical antitumor activities observed with SGN-35.

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Author and article information

Journal

Journal ID (nlm-ta): Blood Res

Journal ID (iso-abbrev): Blood Res

Journal ID (publisher-id): BR

Title: Blood research

Publisher: Korean Society of Hematology; Korean Society of Blood and Marrow Transplantation; Korean Society of Pediatric Hematology-Oncology; Korean Society on Thrombosis and Hemostasis

ISSN (Print): 2287-979X

ISSN (Electronic): 2288-0011

Publication date (Print): December 2017

Publication date (Electronic): 26 December 2017

Volume: 52

Issue: 4

Pages: 243-253

Affiliations

[1 ]Division of Hematology-Oncology, Department of Medicine, Chung-Ang University Hospital, Seoul, Korea.

[2 ]Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.

Author notes

Correspondence to Won Seog Kim, M.D., Ph.D. Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul 06351, Korea. wskimsmc@ 123456skku.edu

Article

DOI: 10.5045/br.2017.52.4.243

PMC ID: 5762734

PubMed ID: 29333400

SO-VID: 32630ca4-a4a9-46db-bb8b-058d78e5a762

License:

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

History

Date received : 10 May 2017

Date revision received : 30 November 2017

Date accepted : 01 December 2017

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Brentuximab vedotin: clinical updates and practical guidance

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Most cited references 84

ALK- anaplastic large-cell lymphoma is clinically and immunophenotypically different from both ALK+ ALCL and peripheral T-cell lymphoma, not otherwise specified: report from the International Peripheral T-Cell Lymphoma Project.

The expression of the Hodgkin's disease associated antigen Ki-1 in reactive and neoplastic lymphoid tissue: evidence that Reed-Sternberg cells and histiocytic malignancies are derived from activated lymphoid cells.

Intracellular activation of SGN-35, a potent anti-CD30 antibody-drug conjugate.

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Cited by 18

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