In vitro–in vivo correlation for nevirapine extended release tablets
- 29 October 2009
- journal article
- research article
- Published by Wiley in Biopharmaceutics & Drug Disposition
- Vol. 30 (9), 542-550
- https://doi.org/10.1002/bdd.691
Abstract
An in vitro–in vivo correlation (IVIVC) for four nevirapine extended release tablets with varying polymer contents was developed. The pharmacokinetics of extended release formulations were assessed in a parallel group study with healthy volunteers and compared with corresponding in vitro dissolution data obtained using a USP apparatus type 1. In vitro samples were analysed using HPLC with UV detection and in vivo samples were analysed using a HPLC‐MS/MS assay; the IVIVC analyses comparing the two results were performed using WinNonlin®. A Double Weibull model optimally fits the in vitro data. A unit impulse response (UIR) was assessed using the fastest ER formulation as a reference. The deconvolution of the in vivo concentration time data was performed using the UIR to estimate an in vivo drug release profile. A linear model with a time‐scaling factor clarified the relationship between in vitro and in vivo data. The predictability of the final model was consistent based on internal validation. Average percent prediction errors for pharmacokinetic parameters were in vivo profiles based on in vitro dissolution profiles. Copyright © 2009 John Wiley & Sons, Ltd.Keywords
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