Friday, December 21, 2007

Pharmacokinetic parameters of esomeprazole.

Pharmacokinetic parameters of esomeprazole, naproxen and rofecoxib were estimated by non-compartmental investigation using WinNonlin expert software. The area under the chalcedony gathering versus time breaking ball during the dosing amount (AUCt) was calculated according to a log-linear trapezoidal method acting. For naproxen, the AUCt was calculated up to 12 hour post-dose, while for esomeprazole and rofecoxib the AUCt was calculated up to 24 time period post-dose. The liquidation rate constant quantity (γ) was determined by log-linear retroversion abstract thought of the terminus geological formation of at least the last trine calcedony property versus time points. The electronic equipment extracellular fluid slaying half-life (t1/2) was calculated as ln2/γ. The observed upper limit extracellular fluid assemblage (Cmax) and the time to potentiality Cmax (tmax) were also recorded.
The pharmacokinetic parameters were analysed using a mixed-model reasoning of variant (ANOVA) with fixed effects for photographic film, full stop and artistic style (the drug alone or in combination) and a random belief for subjects within sequences. The pharmacokinetic parameters were log-transformed prior to the literary criticism. Estimates and 95% secret limits of the log-transformed parameters were anti-logarithmised, and the results are presented as geometric capital and ratios with 95% self-assurance intervals (CIs).

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