SNV4818 in Participants With Advanced Solid Tumors

This study is testing a new medicine, SNV4818, for people with advanced cancers. The researchers want to find out if SNV4818 is safe, well-tolerated, and effective in treating solid tumors. They are investigating different doses in order to find the safest and most effective one.

Inclusion Criteria: * Advanced or metastatic solid tumor with an activating PIK3CA mutation. * Refractory to or intolerant of available therapies * Disease measurable by RECIST 1.1 criteria, or disease evaluable by clinically relevant tumor biomarkers in blood. * Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 Exclusion Criteria: * Diagnosis of a primary CNS malignancy * Active brain metastases or carcinomatous meningitis * Type 1 diabetes mellitus or uncontrolled type 2 diabetes mellitus * Inadequate organ function * Clinically significant ECG abnormalities, including QTcF ≥ 470 ms