[Comparative study of relative biovailability of several spironolactone formulations in a steady-state test (author's transl)]. 1979

J Rosenthal, and H Jaeger, and M Specker

By the US Food and Drug Administration spironolactone is regarded as a drug with problems related to bioavailability. A steady-state study was performed comparing the 50- and 100-mg formulations of two manufacturers with each other. Applying a fluorimetric method to both canrenone and canrenoate--the major biologically active metabolites of spironolactone--the two brands were compared in 11 volunteers for the 50 mg, and in 10 volunteers for the 100 mg dosage form.

UI MeSH Term Description Entries
D008297 Male Males
D002191 Canrenoic Acid A synthetic pregnadiene derivative with anti-aldosterone activity. Canrenoate Potassium,Potassium Canrenoate,17-Hydroxy-3-Oxo-17alpha-Pregna-4,6-Diene-21-Carboxylic Acid,Kalium-Can.-Ratiopharm,SC-14266,Soldactone,Soludactone,Spiroctan,17 Hydroxy 3 Oxo 17alpha Pregna 4,6 Diene 21 Carboxylic Acid,Acid, 17-Hydroxy-3-Oxo-17alpha-Pregna-4,6-Diene-21-Carboxylic,Acid, Canrenoic,Canrenoate, Potassium,Kalium Can. Ratiopharm,SC 14266,SC14266
D002192 Canrenone A synthetic pregnadiene compound with anti-aldosterone activity. 11614 R.P.,Aldadiene,Phanurane,SC-9376,R.P., 11614,SC 9376,SC9376
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D001682 Biological Availability The extent to which the active ingredient of a drug dosage form becomes available at the site of drug action or in a biological medium believed to reflect accessibility to a site of action. Availability Equivalency,Bioavailability,Physiologic Availability,Availability, Biologic,Availability, Biological,Availability, Physiologic,Biologic Availability,Availabilities, Biologic,Availabilities, Biological,Availabilities, Physiologic,Availability Equivalencies,Bioavailabilities,Biologic Availabilities,Biological Availabilities,Equivalencies, Availability,Equivalency, Availability,Physiologic Availabilities
D013148 Spironolactone A potassium sparing diuretic that acts by antagonism of aldosterone in the distal renal tubules. It is used mainly in the treatment of refractory edema in patients with congestive heart failure, nephrotic syndrome, or hepatic cirrhosis. Its effects on the endocrine system are utilized in the treatments of hirsutism and acne but they can lead to adverse effects. (From Martindale, The Extra Pharmacopoeia, 30th ed, p827) Spirolactone,Aldactone,Aldactone A,Aquareduct,Duraspiron,Espironolactona Alter,Espironolactona Mundogen,Flumach,Frumikal,Jenaspiron,Novo-Spiroton,Practon,SC-9420,Spiractin,Spiro L.U.T.,Spiro Von Ct,Spirobeta,Spirogamma,Spirolang,Spirono-Isis,Spironone,Spirospare,Veroshpiron,Verospiron,Verospirone,Ct, Spiro Von,Novo Spiroton,NovoSpiroton,SC 9420,SC9420,Spirono Isis,Von Ct, Spiro
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor

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