Discovery of Tetrasubstituted Quinazolin-4(3H)-ones as Wild-type-sparing, Highly Selective PI3KαH1047R Inhibitors.
Inhibiting PI3Kα has demonstrated promising therapeutic effects for patients with HR+/HER2- and PIK3CA-mutated advanced or metastatic breast cancer. However, hyperglycemia and other notable adverse events (AE) associated with concomitant wild-type inhibition remain a challenge and limit dosing. Selectively targeting th...