Phase II Study of Biweekly Docetaxel and S-1 Combination Therapy for Advanced or Recurrent Gastric Cancer

Publisher： Karger

E-ISSN： 1423-0232|77|1|49-52

ISSN： 0030-2414

Source： Oncology, Vol.77, Iss.1, 2009-06, pp. : 49-52

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Abstract

Objective: This phase II study evaluated the toxicity and efficacy of a novel dosing schedule of docetaxel and S-1 as treatment for advanced gastric cancer. Methods: Patients with measurable advanced or recurrent gastric cancer and no prior exposure to the investigational drugs were treated with intravenous docetaxel 35 mg/m² on days 1 and 15, and oral S-1 80 mg/m²/day on days 1–14 every 4 weeks. The primary endpoint was objective response. Results: Thirty-five eligible patients were enrolled and received a total of 151 cycles of treatment (median 3, range 1–19). One complete response and 13 partial responses were observed, with an overall response rate of 40% (95% CI: 24–56%). Median progression-free survival and median overall survival times were 4.5 and 14.2 months, respectively. The most common grade 3–4 toxicities were neutropenia (23%) and leukocytopenia (15%). Conclusion: Biweekly docetaxel combined with S-1 is active in advanced or recurrent gastric cancer, and can be administered with proper management of adverse events in an outpatient clinic.