Combination Study of Capecitabine and Erlotinib Concurrent With Radiotherapy for Non-Operable Advanced Pancreatic Cancer

Capecitabine is a self-administered (oral) medication \& will be dose escalated and administered in four dose levels: Level I - 600 mg/m2 bid; Level II - 700 mg/m2 bid; Level III - 825 mg/m2 bid; Level IV - 925 mg/m2 bid. Tarceva will be self-administered(orally) in an open-label, unblinded manner to all patients enrolled in the study. During the treatment period, patients will receive single agent Tarceva 100 mg/day. Treatment of Capecitabine \& Tarceva is continued daily until the completeness of the radiation or toxicity.