期刊
DRUG DEVELOPMENT AND INDUSTRIAL PHARMACY
卷 33, 期 4, 页码 475-483出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/03639040601128654
关键词
artificial digestive system; hydrophilic matrix tablets; level A IVIVC; predictability
This work aimed to investigate the biopharmaceutical behavior of hydrophilic matrix tablets of theophylline using different in vitro methods: USP II, USP IV, and a novel in vitro system simulating the gastrointestinal tract in man called the artificial digestive system (ADS). The potentiality of each method was evaluated by establishing in vitro/in vivo correlation. Using USP methods, the drug release was pH-independent and dependent on agitation intensity. Level A IVIVCs could be established using the different in vitro methods but one to one correlation was established only when the ADS method was used. For the prediction of in vivo drug dosage form behavior based on in vitro methods, the ADS showed a high predictability when compared to USP in vitro methods.
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