RecruitingPhase 1Drug trialSacituzumab Govitecan in Combination With Capecitabine for Advanced Gastrointestinal Cancers After Progression on Standard TherapyThis is a Phase I study to evaluate the safety and tolerability of sacituzumab govitecan in combination with capecitabine for advanced gastrointestinal cancers after progression on standard therapy, and to assess correlation of outcomes with the biomarker Trop-2.