Sotorasib (AMG-510) isomer is the less active isomer of Sotorasib (AMG-510). AMG-510 is a potent KRAS G12C covalent inhibitor.
References:
[1]. Karen Rex, et al. Abstract 3090: In vivo characterization of AMG 510 - a potent and selective KRASG12Ccovalent small molecule inhibitor in preclinical KRASG12Ccancer models. Experimental and Molecular Therapeutics. [2]. Brian A. Lanman, et al.Abstract 4455: Discovery of AMG 510, a first-in-human covalent inhibitor of KRASG12C for the treatment of solid tumors. Cancer Chemistry. [3]. Marwan Fakih, et al, Phase 1 study evaluating the safety, tolerability, pharmacokinetics (PK), and efficacy of AMG 510, a novel small molecule KRASG12Cinhibitor, in advanced solid tumors. Journal of Clinical Oncology. [4]. Canon J, et al. The clinical KRAS(G12C) inhibitor AMG 510 drives anti-tumour immunity. Nature. 2019 Nov;575(7781):217-223.