Concurrent administration of antacids and prednisone: effect on serum levels of prednisolone. 1979

A R Tanner, and J A Caffin, and J W Halliday, and L W Powell

1 Specific radioimmunoassays have been developed for the measurement of prednisolone and prednisone in serum. 2 Serum prednisolone levels have been measured following the administration of prednisone both with and without antacids. 3 There were no significant differences in the values of Cmax (mean +/- s.d.) (251 +/- 80 ng/ml with, 245 +/- 69 ng/ml without antacid), AUC (1430 +/- 469 ng ml-1 h-1 with, 1406 +/- 530 ng ml-1 h-1 without antacid) or Tmax (1.6 +/- 0.6 h with, 1.6 +/- 0.8 h without antacid). 4 Serum prednisone levels were less than 20% of prednisolone levels at all time intervals in the subjects studied. 5 Concurrent antacid administration has no significant effect on serum prednisolone levels attained.

UI MeSH Term Description Entries
D011239 Prednisolone A glucocorticoid with the general properties of the corticosteroids. It is the drug of choice for all conditions in which routine systemic corticosteroid therapy is indicated, except adrenal deficiency states. Di-Adreson-F,Predate,Predonine,Di Adreson F,DiAdresonF
D011241 Prednisone A synthetic anti-inflammatory glucocorticoid derived from CORTISONE. It is biologically inert and converted to PREDNISOLONE in the liver. Dehydrocortisone,delta-Cortisone,Apo-Prednisone,Cortan,Cortancyl,Cutason,Dacortin,Decortin,Decortisyl,Deltasone,Encorton,Encortone,Enkortolon,Kortancyl,Liquid Pred,Meticorten,Orasone,Panafcort,Panasol,Predni Tablinen,Prednidib,Predniment,Prednison Acsis,Prednison Galen,Prednison Hexal,Pronisone,Rectodelt,Sone,Sterapred,Ultracorten,Winpred,Acsis, Prednison
D004347 Drug Interactions The action of a drug that may affect the activity, metabolism, or toxicity of another drug. Drug Interaction,Interaction, Drug,Interactions, Drug
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000863 Antacids Substances that counteract or neutralize acidity of the GASTROINTESTINAL TRACT. Alkalinizing Agent,Antacid,Alkalinizing Agents,Agent, Alkalinizing,Agents, Alkalinizing
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor

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