Studies on Absorption and Excretion of Drug. VII. A New Estimation Method for the Release of Drugs from Dosage Forms and the Availability in vivo.
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概要
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The convolution equation was introduced to estimate a drug release from various dosage forms in the gut. [numerical formula] From the application of the equation, the drug release in vivo F (t) was calculated from comparison of blood level or urinary excertion of drug and/or the metablites between the ingestions of a dosage form, X (t), and the dissolved solution, G (t). The evidence of merits of this method and the deviation of the results from the real value caused by the approximation for numerical calculation were investigated by means of a theoretical model. The actual sulfamethylthiadiazole release from the tablet in human gut was estimated from the urinary excretion by using this calculation method also.
- 公益社団法人日本薬学会の論文
- 1967-07-25
著者
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花野 学
Faculty of Pharmaceutical Sciences, University of Tokyo
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花野 学
Faculty Of Pharmaceutical Sciences University Of Tokyo
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