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Clinical potential of carfilzomib in the treatment of relapsed and refractory multiple myeloma

Author(s): Gupta VA | Nooka AK | Lonial S | Boise LH

Journal: Blood and Lymphatic Cancer : Targets and Therapy
ISSN 1179-9889

Volume: 2013;
Issue: default;
Start page: 41;
Date: 2013;
Original page

Vikas A Gupta, Ajay K Nooka, Sagar Lonial, Lawrence H BoiseDepartment of Hematology and Medical Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA, USAAbstract: Treatment of refractory and/or relapsed multiple myeloma has been a challenging problem for over 20 years. However, we have made significant progress addressing this disease with the use of bortezomib, the first in class proteasome inhibitor, and the immunomodulatory agents, thalidomide and lenalidomide. Carfilzomib, the second-generation proteasome inhibitor, has also been approved for treatment of relapsed/refractory multiple myeloma. Carfilzomib is a highly selective and potent inhibitor of proteasome chymotrypsin-like activity. Phase I and II clinical trials have reported an acceptable toxicity profile, with manageable thrombocytopenia and anemia being the most common side effects. Peripheral neuropathy, a frequent dose-limiting side effect of bortezomib, was rare. Further, carfilzomib demonstrated encouraging single-agent activity and appeared to be effective even in patients refractory to bortezomib. Based on these promising data, carfilzomib is moving forward into Phase III trials for relapsed multiple myeloma and is also being investigated as front-line combination therapy for patients with newly diagnosed myeloma.Keywords: proteasome inhibitor, bortezomib, pharmacology, safety, efficacy
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