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Vinorelbine(5'-noranhydrovinblastine)is a new semisynthetic antineoplastic vinca alkaloid which interferes with axonal transport,inducing spiralisation of axonal microtubules and resulting in peripheral neurotoxicity.A prospective detailed neurological and electrophysiological evaluation was performed in 23 patients treated with 25 mg vinorelbine a week.All patients developed a sensory-motor distal symmetric axonal neuropathy.The neurotoxicity increase with cumulative vinorelbine doses and peripheral neuropathy was mild to moderate in most patients.After discontinuation of vinorelbine treatment,neuropathic signs and symptoms were partially reversible. |
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