• Deirdre R Pachman, Rui Qin, Drew K Seisler, Ellen M L Smith, Andreas S Beutler, Lauren E Ta, Jacqueline M Lafky, Nina D Wagner-Johnston, Kathryn J Ruddy, Shaker Dakhil, Nathan P Staff, Axel Grothey, and Charles L Loprinzi.
• Deirdre R. Pachman, Rui Qin, Drew K. Seisler, Andreas S. Beutler, Lauren E. Ta, Jacqueline M. Lafky, Kathryn J. Ruddy, Nathan P. Staff, Axel Grothey, and Charles L. Loprinzi, Mayo Clinic, Rochester, MN; Ellen M.L. Smith, University of Michigan, Ann Arbor, MI; Nina D. Wagner-Johnston, Washington University School of Medicine, Saint Louis, MO; and Shaker Dakhil, Cancer Center of Kansas, Wichita, KS. pachman.deirdre@mayo.edu.
• J. Clin. Oncol. 2015 Oct 20; 33 (30): 3416-22.

PurposeGiven that the clinical course of oxaliplatin-induced neuropathy is not well defined, the current study was performed to better understand clinical parameters associated with its presentation.MethodsAcute and chronic neuropathy was evaluated in patients receiving adjuvant FOLFOX (fluorouracil, leucovorin, and oxaliplatin) on study N08CB (North Central Cancer Treatment Group, Alliance). Acute neuropathy was assessed by having patients complete daily questionnaires for 6 days with each cycle of FOLFOX. Before each dose of FOLFOX and as long as 18 months after chemotherapy cessation, chronic neurotoxicity was assessed with use of the 20-item, European Organisation for Research and Treatment of Cancer quality-of-life questionnaire for patients with chemotherapy-induced peripheral neuropathy.ResultsThree hundred eight (89%) of the 346 patients had at least one symptom of acute neuropathy with the first cycle of FOLFOX; these symptoms included sensitivity to touching cold items (71%), sensitivity to swallowing cold items (71%), throat discomfort (63%), or muscle cramps (42%). Acute symptoms peaked at day 3 and improved, although they did not always resolve completely between treatments. These symptoms were about twice as severe in cycles 2 through 12 as they were in cycle 1. For chronic neurotoxicity, tingling was the most severe symptom, followed by numbness and then pain. During chemotherapy, symptoms in the hands were more prominent than they were in the feet; by 18 months, symptoms were more severe in the feet than they were in the hands. Patients with more severe acute neuropathy during the first cycle of therapy experienced more chronic sensory neurotoxicity (P < .0001).ConclusionAcute oxaliplatin-induced neuropathy symptoms do not always completely resolve between treatment cycles and are only half as severe on the first cycle as compared with subsequent cycles. There is a correlation between the severities of acute and chronic neuropathies.© 2015 by American Society of Clinical Oncology.

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