Dose Escalation Study of Liposomal Paclitaxel With/Without Capecitabine in Patients With Advanced Gastric Carcinoma

Patients will be given Liposomal paclitaxel intravenously in 3 hours with the dose of 175mg/m2、185mg/m2、195mg/m2、 200mg/m2、205mg/m2 and so on ,at the first day of chemotherapy. Capecitabine will be given on d1 to d14 with the dose of 185mg/m2、200mg/m2 or d8 to d21 with the dose of 175mg/m2、195mg/m2、205mg/m2 .Cycle duration will be 21 days. Each patient will receive 2 cycles of therapy. Only in the first cycle blood samples will be taken on 16 points in 48 hours after the infusion of liposomal paclitaxel.