(S)-STX-478 is the S-enantiomer of STX-478. STX-478 is a selective inhibitor of PI3Kα mutants, preventing metabolic dysfunction and demonstrating antitumor activity in xenograft mouse models with PI3Kα mutant tumors.
References:
[1]. Buckbinder L, et al. STX-478, a mutant-selective, allosteric PI3Kα inhibitor spares metabolic dysfunction and improves therapeutic response in PI3Kα-mutant xenografts[J]. Cancer Discovery, 2023, 13(11): 2432-2447.