The European Medicines Agency Review of Tegafur/Gimeracil/Oteracil (Teysuno™) for the Treatment of Advanced Gastric Cancer When Given in Combination with Cisplatin: Summary of the Scientific Assessment of the Committee for Medicinal Products for Human Use (CHMP)
2011
The product Teysuno™ (S-1) contains tegafur, a prodrug of 5-fluorouracil (5-FU), and two modulators of 5-FU metabolism, gimeracil and oteracil. The main clinical study in this application was a randomized controlled study comparing S-1 plus cisplatin with 5-FU plus cisplatin. In this study, median overall survival times of 8.6 months and 7.9 months for S-1 plus cisplatin and 5-FU plus cisplatin, respectively, were observed (hazard ratio, 0.92; 95% confidence interval, 0.80–1.05). The Committee for Medicinal Products for Human Use of the European Medicines Agency concluded that S-1 in combination with cisplatin (75 mg/ m 2 ) was noninferior to 5-FU plus cisplatin (100 mg/m 2 ) in patients with advanced gastric cancer and adopted a positive opinion recommending the marketing authorization for this product for the treatment of advanced gastriccancerwhengivenincombinationwithcisplatin. TherecommendeddoseofS-1is25mg/m 2 (expressedas tegafur content) twice a day, for 21 consecutive days followed by 7 days rest (one treatment cycle), in combination with 75 mg/m 2 cisplatin i.v. administered on day 1. This treatment cycle is repeated every 4 weeks.
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