Document Classification

Section Type: METHODS

Text: Patients were randomly assigned to one of four treatment groups : group A, gemcitabine 1200 mg/m (2) in a 30-min intravenous infusion on days 1 and 8 and intravenous cisplatin 80 mg/m (2) on day 1, every 21 days for six cycles ; group B, the same treatments as group A plus oral rofecoxib 50 mg/day until disease progression ; group C, intravenous PCI gemcitabine 1200 mg/m (2) in a 120-min infusion on days 1 and 8 and intravenous cisplatin 80 mg/m (2) on day 1, every 21 days for six cycles ; group D, the same drugs as group C plus oral rofecoxib 50 mg/day until disease progression.