GLS and cancer: Another GLS1 inhibitor, IPN60090 (IACS-6274), was tested in patients with advanced solid tumors (NCT05039801) [154], and a blocker of “kidney-type” glutaminase, bis-2-(5-phenylacetamido-1,2,4-thiadiazol-2-yl)ethyl sulfide (BPTES), inhibited the cancer growth in P493 tumor xenografts [155,156].