This study will evaluate the efficacy and safety of oral capecitabine (Xeloda) versus 5-fluorouracil (5-FU), in combination with intravenous (IV) cisplatin, in participants with advanced and/or metastatic gastric cancer. The anticipated time on study treatment is at least 6 weeks and continued up to disease progression, and the target sample size is 300 individuals.
Participants will receive 5-FU, 800 milligrams per meter-squared (mg/m\^2) per day via IV infusion during Days 1 to 5 of each 3-week cycle, for a total of 6 cycles in combination with cisplatin or upto disease progression.
Participants will receive oral capecitabine, 1000 mg/m\^2 twice daily on Days 1 to 14 of each 3-week cycle, for a total of 6 cycles in combination with cisplatin or upto disease progression.
Participants will receive cisplastin, 80 mg/m\^2 via IV infusion on Day 1 of each 3-week cycle, for a total of 6 cycles or upto disease progression in combination with either capecitabine or 5-FU.
Buenos Aires, Argentina
Buenos Aires, Argentina
Rosario, Argentina