Clinical role of obinutuzumab in the treatment of naive patients with chronic lymphocytic leukemia
Sonia Cerquozzi,1 Carolyn Owen2 1Department of Hematology, University of Calgary, 2Department of Hematology, Tom Baker Cancer Centre, Calgary, AB, Canada Abstract: The introduction of targeted therapy against CD20+ with the monoclonal antibody rituximab has dramatically improved the survival of B-...
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| Autores principales: | , |
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| Formato: | article |
| Lenguaje: | EN |
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Dove Medical Press
2015
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| Acceso en línea: | https://doaj.org/article/ad072ec049fe487aa308dde7eac61360 |
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| Sumario: | Sonia Cerquozzi,1 Carolyn Owen2 1Department of Hematology, University of Calgary, 2Department of Hematology, Tom Baker Cancer Centre, Calgary, AB, Canada Abstract: The introduction of targeted therapy against CD20+ with the monoclonal antibody rituximab has dramatically improved the survival of B-cell non-Hodgkin lymphoma including chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma. Unfortunately, CLL remains incurable with chemoimmunotherapy, with many patients having refractory or relapsing disease after rituximab-containing therapy. Obinutuzumab (GA101) is a novel humanized Type II anti-CD20 monoclonal antibody that has been investigated and compared to rituximab. Here, we provide an overview of obinutuzumab, including its mechanisms of action, preclinical data, and Phase I to III clinical studies. Preclinical data illustrate obinutuzumab's higher potency compared to rituximab through antibody-dependent cellular cytotoxicity and direct cell death. Recently, the CLL11 study presented a significant benefit from obinutuzumab chemoimmunotherapy and supports its use for treatment-naive unfit CLL patients. Herein, we review that obinutuzumab is both a safe and effective alternative to rituximab. Keywords: CLL, GA101, antibody, CD20 |
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