A phase I study of a new 5HT3-receptor antagonist, BRL43694A, an agent for the prevention of chemotherapy-induced nausea and vomiting

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Abstract
Summary In a phase I study of BRL43694A, a 5HT3-receptor antagonist, a single dose of 40 μg/kg was given to 24 patients. All patients received cytostatic treatment expected to cause nausea and vomiting. During the first 24 h, 12 patients were completely protected from nausea and vomiting, 4 experienced nausea and 8 had moderate vomiting; mild headache occurred in 10 patients. No cardiovascular (including ECG) changes took place. Apart from headache, no neurological side effects occurred.