Fig. 1From: Safety and pharmacodynamic dose response of short-term prednisone in healthy adult subjects: a dose ranging, randomized, placebo-controlled, crossover studyMean serum cortisol concentrations up to 24Â h following the first daily dose of prednisone. Pretreatment cortisol concentrations over 24Â h were measured in all subjects the day prior to the first day of dosing in Period 1Back to article page