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Wednesday 01 December 1999

Efficacy and tolerability of tropisetron in the prevention of cisplatin-induced nausea and vomiting in advanced non-small cell lung cancer.

By: Thongprasert S.

Acta Oncol 2000;39(2):221-4

The efficacy and tolerability of tropisetron were studied in an open trial comprising a total of 30 patients with advanced non-small cell lung cancer undergoing high-dose, cisplatin-based chemotherapy (cisplatin dosage 100 mg/m2). Patients received tropisetron 5 mg intravenous infusions for 15 min on day 1. followed by 5 mg tropisetron taken orally in the morning on days 2 6. All treated patients were assessed during the entire treatment period (6 days). Acute nausea and vomiting were evaluated during the 24 h after chemotherapy. Delayed nausea and vomiting were evaluated during days 2-6 after chemotherapy. Response to tropisetron was graded as: complete control, major control, minor control and failure for nausea or vomiting. Rates for complete plus major control of acute nausea and vomiting in cycles 1-5 were 77%, 81%, 86%, 67% and 75%, respectively. Rates for complete plus major control of delayed nausea and vomiting in cycles 1-5 were 87%, 76%, 86%, 78% and 75%, respectively. Adverse reactions were mainly headache and diarrhea, but both reactions were mild and are common in most patients treated with this type of antiemetic agent. It is concluded that tropisetron is an effective drug for the prevention of side effects of highly emetogenic drugs such as cisplatin. The dosage and schedule of tropisetron reported here can prevent both acute and delayed nausea and vomiting.

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