RecruitingPhase 1Drug trialSapu003 in Advanced mTOR-sensitive Solid TumorsThis is a phase 1b, open-label, dose-escalation study to evaluate the safety, tolerability, pharmacokinetics of Sapu003 in combination with Exemestane in in patients with advanced mTOR-sensitive solid tumors (HR+/HER2-negative breast cancer, renal cell carcinoma \[RCC\], neuroendocrine tumors \[NETs\], tuberous sclerosis complex \[TSC\]-associated tumors, and hepatocellular carcinoma \[HCC\]).