Multi-center, randomized Phase II study to evaluate the efficacy and safety of OSI-7904Lversus 5 FU/LV in biliary tract cancer.

Inclusion Criteria:

Documented locally advanced or metastatic adenocarcinoma of the biliary tract; Adequate bone marrow, hepatic and renal function; Bilirubin <= 1.5 times the upper limit of normal; Age 18 years or older; Predicted life expectancy 12 weeks or more; Prior surgery and radiation therapy permitted provided patient has recovered adequately; At least 1 target lesion >= 20 mm (or >= 10 mm on spiral CT-scan); ECOG Performance Status 0-2; No prior chemotherapy for locally advanced or metastatic disease. Adjuvant/neo-adjuvant permitted if therapy was completed at least 12 months prior to study entry;

Exclusion Criteria:

Concurrent anticancer therapy while on study; History of other malignancy within the past 3 years except basal or squamous cell carcinoma or in situ cervical cancer; Symptomatic brain metastases which are not stable or have required radiation in the past 28 days;