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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/17055

Title: In vivo evaluation of hydrochlorothiazide liquisolid tablets in beagle dogs
Authors: Khaled KA
Asiri YA
El-Sayed YM.
Issue Date: 2001
Publisher: Int J Pharm
Abstract: This study was carried out to evaluate the absorption characteristics of experimentally developed hydrochlorothiazide liquisolid tablets using six male beagle dogs. Comparison with reference commercial tablets was made. As no bibliographic data were found for the pharmacokinetic parameters of the drug in dogs, an intravenous drug administration was included in the study. The drug was administered orally as a single 25 mg dose of commercial and liquisolid tablets on two occasions in a randomized two-way crossover design. The pharmacokinetic parameters of the drug post intravenous dosing were reported for the first time. The results of the oral administration revealed statistically significant differences between the liquisolid and the commercial tablets in the area under the plasma concentration-time curve, the peak plasma concentration, and the absolute bioavailability. On the other hand, no significant differences were observed between the two formulations with regard to the mean residence time, the mean absorption time, and the rate of absorption. The absolute bioavailability of the drug from the liquisolid tablets was 15% higher than that from the commercial one. The parametric 90% confidence intervals for the different parameters were higher than the commonly expected intervals for bioequivalency, indicating greater bioavailability of the liquisolid tablets.
URI: http://hdl.handle.net/123456789/17055
Appears in Collections:College of Pharmacy

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