The Efficacy and Safety of Trilaciclib in Bone Marrow Protection Before Chemotherapy for Advanced Bile Duct Cancer and Pancreatic Cancer

"Trilaciclib: 240 mg/m², administered via intravenous infusion over 30 minutes, completed within 4 hours prior to chemotherapy on the same day.~Chemotherapy Agents: Investigators will select chemotherapy regimens based on individual patient status. Regimens must be single-day protocols (including but not limited to gemcitabine, nab-paclitaxel, etc.), with dosing and administration per prescribing information.~Subjects receiving concomitant immunotherapy or targeted therapy in addition to chemotherapy are eligible for enrollment."

"rilaciclib: 240 mg/m², administered via intravenous infusion over 30 minutes, completed within 4 hours prior to chemotherapy on the same day.~Chemotherapy Agents: Investigators will select chemotherapy regimens based on individual patient status. Regimens must be single-day protocols (including but not limited to gemcitabine, nab-paclitaxel, etc.), with dosing and administration per prescribing information.~Subjects receiving concomitant immunotherapy or targeted therapy in addition to chemotherapy are eligible for enrollment."