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Medline ® Abstract for Reference 192

of 'Overview of neurologic complications of non-platinum cancer chemotherapy'

Peripheral neuropathy during bortezomib treatment of multiple myeloma: a review of recent studies.
Cavaletti G, Jakubowiak AJ
Leuk Lymphoma. 2010;51(7):1178.
Treatment-emergent peripheral neuropathy (PN) is an important dose-limiting toxicity during treatment of multiple myeloma (MM). Bortezomib-induced PN (BIPN) occurred in 37-44% of clinical trial patients with MM, with the cumulative treatment dose as its single most significant predictor. This review discusses the clinical profile of BIPN in the treatment of MM and guidelines for its management. Lower rates of BIPN observed during treatment of solid tumors compared with rates of hematologic cancers are also discussed. Several areas of research are reviewed that may improve the management of BIPN, including co-therapies with the novel heat shock protein inhibitor tanespimycin, which appears to reduce the incidence of BIPN, and recent studies with second-generation proteasome inhibitors such as carfilzomib and NPI-0052. Adherence to the National Cancer Institute dose-modification algorithm is the most effective method for mitigating BIPN. Reversal of BIPN after treatment cessation occurs in most cases, but recovery in some patients takes as long as 1.7 years, and some individuals fail to return to baseline neurologic function. BIPN can cause a significant reduction in quality of life, primarily due to severe treatment-emergent pain. Ongoing research may provide additional information about the mechanism of BIPN and strategies to reduce PN.
Department of Neurosciences and Biomedical Technologies, University of Milan-Bicocca, Monza, Italy. guido.cavaletti@unimib.it