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Clinical use of blinatumomab for B-cell acute lymphoblastic leukemia in adults

Authors Lee K, Chow V, Weissman A, Tulpule S, Aldoss I, Akhtari M

Received 2 December 2015

Accepted for publication 1 April 2016

Published 25 August 2016 Volume 2016:12 Pages 1301—1310


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Professor Garry Walsh

Kum Ja Lee,1 Vivian Chow,1 Ashley Weissman,2 Sunil Tulpule,3 Ibrahim Aldoss,4 Mojtaba Akhtari5

1Department of Clinical Pharmacy and Pharmaceutical Economics and Policy, University of Southern California, 2Department of Pharmacy, University of Southern California Norris Cancer Hospital, Los Angeles, CA, 3Department of Medicine, Raritan Bay Medical Center, Perth Amboy, NJ, 4Department of Hematology and Hematopoietic Cell Transplantation, City of Hope, Duarte, CA, 5Jane Anne Nohl Division of Hematology and Center for the Study of Blood Diseases, University of Southern California Norris Comprehensive Cancer Center, Los Angeles, CA, USA

Abstract: Adults with relapsed or refractory B-cell acute lymphoblastic leukemia have a dismal prognosis with a short median overall survival that can be measured in months. Because most patients will have chemotherapy-resistant disease, allogeneic hematopoietic stem cell transplantation remains the only potentially curative treatment. Despite advances in current management, patients continue to have poor outcomes and lack of durable responses. Thus, new therapies with alternative modes of actions are currently being investigated. Blinatumomab is a novel bispecific T-cell engager that simultaneously binds CD3-positive cytotoxic T-cells and CD19-positive B-cells, resulting in selective lysis of tumor cells. It has shown promising results in patients with relapsed or refractory acute lymphoblastic leukemia or those achieving hematologic response with persistent minimum residual disease. Future clinical trials will answer questions regarding its optimal place in the treatment paradigm. Dose-limiting toxicities include immunological toxicities and cytokine release syndrome. However, most patients tolerate the therapy relatively well. This review will focus on the pharmacology, clinical efficacy, and safety of blinatumomab in the treatment of adult B-cell acute lymphoblastic leukemia while highlighting its unique drug warnings and toxicity management.

Keywords: ALL, relapsed/refractory, BiTE, BLINCYTO

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