Polatuzumab vedotin is a CD79b-directed antibody-drug conjugate that delivers monomethyl auristatin E (MMAE), an anti-mitotic agent, to cancer cells. The drug consists of three components - a humanized immunoglobulin G1 (IgG1) monoclonal antibody specific for human CD79b (polatuzumab), MMAE, and protease-cleavable linker called maleimidocaproyl-valine-citrulline-p-aminobenzyloxycarbonyl (mc-vc-PAB) that covalently attaches MMAE to polatuzumab.
Polatuzumab vedotin was granted accelerated FDA approval on June 10, 2019 and was approved by Health Canada on July 9, 2020.
Polatuzumab vedotin is used in combination with bendamustine and rituximab to treat adult patients with relapsed or refractory diffuse large B-cell lymphoma, not otherwise specified, after at least two prior therapies. In Canada, this indication is approved for patients who are not eligible for autologous stem cell transplant and have received at least one prior therapy.
Polatuzumab vedotin is also used in combination with rituximab, cyclophosphamide, doxorubicin, and prednisone (R-CHP) to treat adult patients with previously untreated large B-cell lymphoma (LBCL), including diffuse large B-cell lymphoma (DLBCL) not otherwise specified (NOS), high-grade B-cell lymphoma, Epstein-Barr virus-positive (EBV+) DLBCL NOS, and T-cell/histiocyte rich LBCL.
Kings College Hospital NHS Foundation Trust, London, United Kingdom
University College London Hospitals NHS Foundation Trust, London, United Kingdom
The Christie NHS Foundation Trust, Manchester, United Kingdom
Alaska Oncology & Hematology, LLC, Anchorage, Alaska, United States
Kaiser Permanente - Anaheim (E. La Palma), Anaheim, California, United States
University of California, San Francisco-Fresno, Clovis, California, United States
Brigham and Women's Hospital, Boston, Massachusetts, United States
Dana Farber Cancer Institute, Boston, Massachusetts, United States
The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States
Washington University School of Medicine, Saint Louis, Missouri, United States
Wake Forest University Health Sciences, Winston-Salem, North Carolina, United States
City of Hope Comprehensive Cancer Center LAO, Duarte, California, United States
City of Hope Comprehensive Cancer Center, Duarte, California, United States
Xinjiang Medical University Cancer Hospital, Urumqi City, China
Union Hospital Tongji Medical College Huazhong University of Science and Technology, Wuhan City, China
Wuxi People's Hospital, Wuxi, China
Hanusch Krankenhaus, Wien, Austria
Kepler Universitätsklinikum, Linz, Austria
Ordensklinikum Linz - Barmherzige Schwestern, Linz, Austria
Highlands Oncology Group - Fayetteville, Fayetteville, Arkansas, United States
Highlands Oncology Group - Rogers, Rogers, Arkansas, United States
Highlands Oncology Group, Springdale, Arkansas, United States
M D Anderson Cancer Center, Houston, Texas, United States
Fred Hutch/University of Washington Cancer Consortium, Seattle, Washington, United States
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