Development of In Vitro-In Vivo Correlation/Relationship Modeling Approaches for Immediate Release Formulations Using Compartmental Dynamic Dissolution Data from "Golem'': A Novel Apparatus

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Authors

ČULEN Martin TUSZYŃSKI Paweł K. POLAK Sebastian JACHOWICZ Renata MENDYK Aleksander DOHNAL Jiří

Year of publication 2015
Type Article in Periodical
Magazine / Source BioMed Research International
MU Faculty or unit

Faculty of Medicine

Citation
Doi http://dx.doi.org/10.1155/2015/328628
Field Pharmacology and pharmaceutical chemistry
Keywords COA REDUCTASE INHIBITORS; ATORVASTATIN; PHARMACOKINETICS; BIOAVAILABILITY; STEP
Description Different batches of atorvastatin, represented by two immediate release formulation designs, were studied using a novel dynamic dissolution apparatus, simulating stomach and small intestine. A universal dissolution method was employed which simulated the physiology of human gastrointestinal tract, including the precise chyme transit behavior and biorelevant conditions. The multicompartmental dissolution data allowed direct observation and qualitative discrimination of the differences resulting from highly pH dependent dissolution behavior of the tested batches. Further evaluation of results was performed using IVIVC/IVIVR development. While satisfactory correlation could not be achieved using a conventional deconvolution based-model, promising results were obtained through the use of a nonconventional approach exploiting the complex compartmental dissolution data.
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