Alpelisib is a phosphatidylinositol 3-kinase (PI3K) inhibitor with potent antitumor activity. It works by selectively inhibiting class I PI3K p110? [A179203], which is the catalytic subunit of PI3K, a lipid kinase that plays a role in various biological proce…

Fulvestrant is a drug treatment of hormone receptor (HR)-positive metastatic breast cancer in post-menopausal women with disease progression following anti-estrogen therapy. It is an estrogen receptor antagonist with no agonist effects, which works both by do…

_PIK3CA_ is one of the most frequently mutated oncogenes, with the resulting mutated p110? protein it encodes playing a central role in tumor cell proliferation.[A264563] Chemotherapeutic agents targeting the PI3K p110? catalytic subunit have shown antitumor …