Chemotherapy-induced nausea and vomiting (CINV) can cause anorexia, weight loss and deterioration of patient quality of life. It is one of the most unpleasant adverse effects of chemotherapy treatment regimens. For the optimal treatment of gastrointestinal symptoms during urothelial carcinoma chemotherapy, the present study investigated the association between gastrointestinal symptoms and therapeutic effects of gemcitabine plus platinum [cisplatin (GC) or carboplatin (GCa)] therapies. The incidence and frequency of nausea/vomiting with GC split therapy (gemcitabine, 1,000 mg/m2 on days 1 and 8; split-dose cisplatin, 35 mg/m2 on days 1 and 8; 21-day schedule) and GCa therapy [gemcitabine, 750-1,000 mg/m2 on days 1, 8 and 15; carboplatin, area under the blood concentration-time curve=5 mg min/ml (Calvert formula) on day 2; 28-day schedule] were lower compared with those of GC therapy (gemcitabine, 1,000 mg/m2 on days 1, 8 and 15; single-dose cisplatin 70 mg/m2 on day 2; 28-day schedule). However, no differences in therapeutic outcomes were observed among therapies. GCa therapy, regardless of renal function, and GC split therapy demonstrated significant increases compared with GC therapy in alleviating gastrointestinal symptoms associated with cancer chemotherapy in patients with urothelial carcinoma. Overall, these results suggested that split-dose cisplatin administration or the use of carboplatin instead of cisplatin may be useful in patients who experience CINV without compromising treatment effectiveness.
Keywords: chemotherapy-induced nausea and vomiting; gemcitabine plus carboplatin therapy; gemcitabine plus single-dose cisplatin therapy; gemcitabine plus split-dose cisplatin therapy; urothelial carcinoma.
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