Ing administration of rifabutin 300 mg once daily (Treatment A, #) or rifabutin 300 mg once daily plus SQV-SGC 1200 mg three times daily (Treatment C, ).treatment was greater (33 ) compared to when coadministered with saquinavir (21 ). The within patient variability was approximately 29 .Effects of rifabutin on saquinavirpharmacokineticsThe mean ( CV) AUC(0,8 h), Cmax and C8 for saquinavir when a