Draflazine (R-75231) is a ENT1 inhibitor. Draflazine (R-75231) completely reverses the hypersensitivity in the complete Freund's adjuvant (CFA) model of mechanical hyperalgesia and the carrageenan inflammation model of thermal and mechanical hyperalgesia[1]. ENT1[1]
[1]. Maes SS, et al. Antihyperalgesic activity of nucleoside transport inhibitors in models of inflammatory pain in guinea pigs. J Pain Res. 2012;5:391-400.