• K Kobayashi, Y Ishihara, N Nukariya, H Niitani, and H Furue.
• Fourth Department of Internal Medicine, Nippon Medical School, Tokyo Women's Medical University, Japan.
• Respirology. 1999 Sep 1; 4 (3): 229-38.

AbstractThe role of tropisetron as an anti-emetic drug in the prevention of delayed nausea and vomiting remains unclear. Therefore, effectiveness of tropisetron in patients receiving cancer chemotherapy was evaluated by application of summary measures using a quality of life (QOL) questionnaire. The diary-type QOL self-rating questionnaire was constituted by seven scales. A double-blind randomized, multicentre study was performed in 33 hospitals. Quality of life was measured in 98 patients. Patients receiving cisplatin were randomized to group T (administration of tropisetron before and 4 days after cisplatin treatment) and group P (administration of tropisetron before cisplatin treatment and followed by placebo for 4 days). The rate of complete protection from delayed emesis in the groups T and P was 46.3 and 36.5%. All scales, except social wellbeing changed immediately in both groups and reached a nadir on days 2-3, after that returning to the control levels during 2 weeks after cisplatin treatment. Group T was significantly better than group P in physical wellbeing, mental wellbeing, functional wellbeing and global QOL scores summarized by area under the curve and Difmax (maximum differences of QOL scales' score from the best score throughout the entire period). These results indicate that continuous administration of tropisetron could contribute to preventing patient QOL influenced by cisplatin treatment, and the combined use of summary measures may be useful for the evaluation of QOL in cancer clinical trial.

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