OBJECTIVE To investigate the pharmacokinetics of compound famotidine chewable tablets in Chinese healthy volunteers.METHODS a single 20 mg dose of compound famotidine chewable tablets was oral administered to 12 healthy subjects (6 males and 6 females) in the fasting and fed states.The plasma concentrations of famotidine were determined by a validated LC/MS/MS method.The plasma concentrations-time data were calculated with DAS ver(1.0) program.RESULTS The main pharmacokinetic parameters of famotidine were: ...