Table 1.

The optimal dose of S-1-based chemotherapy

Regimens	Drugs	Dose	Cycle
S-1 alone	S-1	40 mg/m2, twice a day, on days 1–28	6 weeks
S-1 + CDDP (Japanese dose)	S-1	40 mg/m2, twice a day, on days 1–28	5 weeks
	CDDP	60 mg/m2 on day 8
S-1 + CDDP (Western dose)	S-1	25 mg/m2, twice a day, on days 1–28	4 weeks
	CDDP	75 mg/m2 on day 1

Abbreviation: CDDP, cisplatin.