Antiemetic Efficacy of Escalating Doses of Alizapride against Chemotherapy-Induced Emesis

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Abstract
The antiemetic effect of a new benzamide, alizapride, was investigated with escalating doses through four levels starting at 5 mg/kg/cycle up to 20 mg/kg/cycle. 39 patients were accrued who received cancer chemotherapy which included the following drugs in various combinations: cyclophosphamide, adriamycin, fluorouracil, carboplatin and etoposide (VP-16). Complete control of emesis was achieved in a third of the 39 patients. There was no statistically significant difference among the dose levels with regard to the patient’s assessment of the incidence and severity of nausea and vomiting. Alizapride was well tolerated at all dose levels tested with minimal toxicity. Mild sedation was reported in 60% of the patients. Neither extrapyramidal reactions nor hypotensive side effects were observed. Thus the therapeutic yield of alizapride could be further studied concerning the optimal dose and schedule as well as its use in combination with other antiemetic drugs.