The following parameters were assessed
1. Total and relative excretion of radioactivity in urine and blood following a single 450-mg oral solution dose of PLGA loaded with rifampicin
2. Pharmacokinetic parameters, such as AUC (0-∞), Cmax, half-life, tmax, of orally administered radiolabeled rifampicin
3. Distribution pattern of radiolabeled PLGA loaded with rifampicin by means of gamma camera scan at various time intervals