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Current Medicinal Chemistry

Editor-in-Chief

ISSN (Print): 0929-8673
ISSN (Online): 1875-533X

Novel Drugs for Chronic Lymphoid Leukemias: Mechanism of Action and Therapeutic Activity

Author(s): Tadeusz Robak

Volume 16 , Issue 18 , 2009

Page: [2212 - 2234] Pages: 23

DOI: 10.2174/092986709788453122

Price: $65

Abstract

Chronic lymphoid leukemias include well defined mature B-cell and T-cell neoplasms with diverse natural history and specific morphological, immunophenotypic and molecular characteristics. The most common adult leukemia in the Western world is chronic lymphocytic leukemia (CLL). Rarer indolent lymphoid leukemias include prolymphocytic leukemia, hairy cell leukemia, large granular lymphocyte leukemia and T-cell leukemia/lymphoma. Recently, several new agents have been explored and have shown promise in CLL treatment. Novel therapies are being evaluated both in preclinical studies and in early clinical trials. These treatments include new purine nucleoside analogs, antisense oligonucleotides, agents targeting the antiapoptotic Bcl-2 family of proteins, receptors involved in mediation of survival signals from the microenvironment, cyclin-dependent kinase inhibitors, protein kinase C inhibitors, tyrosine kinase inhibitors, immunomodulating drugs, new monoclonal antibodies and other agents. At present, available therapies are only partially efficient and there is an obvious need to develop better strategies and new, more specific and active drugs. This review will focus on agents currently being explored in preclinical studies and in early clinical trials.

Keywords: CLL, HCL, prolymphocytic leukemia, purine nucleoside ananalogs, oblimersen, flavopiridol, bryostatin 1, lenalidomide, monoclonal antibodies


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