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correlation in vivo
dissolution data in vitro
2Â¥2011-03-09 12:29:04
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ÏÄÌìÏÂÓêÁË(½ð±Ò+1): 2011-03-09 14:54:33
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absorption data in vivo
3Â¥2011-03-09 12:30:25
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ÏÄÌìÏÂÓêÁË(½ð±Ò+18, ·­ÒëEPI+1): лл 2011-03-09 18:10:02
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Two preparations were oral administrated once per day and 10mg per time. Plasma concentration reached steady state at the fourth day after administration. F value for two preparations was 98.9%¡À7.9%, ANOVA analysis showed no significant differences between two preparations on Tmax£¬Cmax£¬Cmin£¬AUCss£¬AUMCss£¬MRT and FI. Further analysis by two- tailed T-test and (1-2a) confidential interval suggested that pharmacokinetic parameters of two preparations were comparable.

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No side effects were found during the trial. No subjects quit.

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Correlation between in vitro dissolution and in vivo absorption

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In vitro dissolution test
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In vitro dissolution test of sustained release capsule was carried out according to the dilution method provided by the producing company. The data was shown in table 1.

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In vivo absorption study
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In vivo absorptions in different time were examined by Wanger-Nelson method. Absorption data were shown in table 2.

In vitro dissolution and in vivo absorption were well correlated (In vivo absorption%=1.455* In vitro dissolution-12.23, r=0.9638)
6Â¥2011-03-09 17:19:44
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