Study Comparing the Bioavailability of TAS-102 Tablets to an Oral Solution Containing Equivalent Amounts of FTD and TPI

This is a Phase 1, open-label, randomized, 2-sequence, 3-period crossover study evaluating the relative bioavailability of TAS-102 tablets compared to an oral solution in patients with advanced solid tumors. This study will be conducted in 2 parts. The crossover bioavailability part will be followed by an extension conducted with TAS-102 tablets only.