Cerevance Inc. has described N-(4-aminocyclohexyl)pyrimidine-4-carboxamide derivatives acting as ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase 1 (CD38) inhibitors. As such, they are reported to be useful for the treatment of aging, diabetic nephropathy, glaucoma, inflammatory disorders, metabolic syndrome, obesity and rheumatoid arthritis.