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Thursday 16 August 2007

[Tropisetron hydrochloride in preventing and treating chemotherapy-induced nausea and vomiting: a phase II, randomized, multicenter, double-blinded, comparative clinical trial]

By: Zhang WD, Wang XW, Chen ZD, Qin FZ, Shu YQ, Pan LX, Zhang MH.

Ai Zheng 2007 Aug;26(8):870-3

BACKGROUND & OBJECTIVE: Tropisetron hydrochloride (Navoban), as a highly selective 5-hydroxytryptamine 3 (5-HT3) receptor antagonist, has been widely used in preventing and treating chemotherapy-induced nausea and vomiting for many years. This study was to evaluate the efficacy and safety of homemade tropisetron hydrochloride in preventing and treating cisplatin-based chemotherapy-induced nausea and vomiting. METHODS: A randomized, double-blinded, multicenter, comparative trial was conducted in cancer patients receiving cisplatin-based chemotherapy. All patients were assigned to group A-B or B-A randomly, and took homemade tropisetron hydrochloride and Navoban (positive control agent) to treat chemotherapy-induced nausea and vomiting. RESULTS: A total of 118 patients were enrolled: 60 in group A-B and 58 in group B-A. There was no difference in the efficacy of relieving acute vomiting between homemade tropisetron hydrochloride and Navoban (P>0.05). The inhibition rates of nausea and vomiting were 28.59% and 52.61% respectively in group A-B, while 29.21% and 51.94% in group B-A (P>0.05). In addition, quality of life (QOL) showed no significant difference between the 2 groups at Days 3, 6, 10, and 21 (P>0.05). Besides, the occurrence rate of adverse events, such as constipation, abdominal distention, vertigo, headache and fatigue, was 27.97% in group A-B and 22.03% in group B-A (P>0.05). CONCLUSION: Homemade tropisetron hydrochloride injection has both reliable efficacy and safety in preventing and treating cisplatin-induced acute or chronic nausea and vomiting; it is comparable with Navoban on many aspects, such as long action time, less adverse effects and improved QOL.

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