The pharmaceutical and biological availability of commercial preparations of furosemide. 1982

W Stüber, and E Mutschler, and D Steinbach

The pharmaceutical and biological availability of 8 commercial furosemide preparations (6 tablets and 2 preparations with modified release of active ingredient) have been investigated. Two of the tablet preparations showed different rates of drug release in vitro. Additionally they were found to differ significantly in their bioavailability with respect to the maximal plasma concentrations attained after oral administration to healthy volunteers. Bioavailability of the preparations with modified release properties--an enteric-coated tablet and a sustained release preparation in the form of a capsule containing diffusion pellets--was calculated to 80% of that of the rapid releasing tablet used as a standard. Correlations were obtained between the rate of dissolution measured with different techniques and the area under the plasma concentration time curve.

UI MeSH Term Description Entries
D008297 Male Males
D002214 Capsules Hard or soft soluble containers used for the oral administration of medicine. Capsule,Microcapsule,Microcapsules
D005260 Female Females
D005665 Furosemide A benzoic-sulfonamide-furan. It is a diuretic with fast onset and short duration that is used for EDEMA and chronic RENAL INSUFFICIENCY. Frusemide,Fursemide,Errolon,Frusemid,Furanthril,Furantral,Furosemide Monohydrochloride,Furosemide Monosodium Salt,Fusid,Lasix
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
D012995 Solubility The ability of a substance to be dissolved, i.e. to form a solution with another substance. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Solubilities
D013607 Tablets Solid dosage forms, of varying weight, size, and shape, which may be molded or compressed, and which contain a medicinal substance in pure or diluted form. (Dorland, 28th ed) Tablet
D013608 Tablets, Enteric-Coated Tablets coated with material that delays release of the medication until after they leave the stomach. (Dorland, 28th ed) Enteric-Coated Tablets,Tablets, Enteric Coated

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