A Comparative Study on Cyclodextrin Derivatives in Improving Oral Bioavailability of Etoricoxib As a Model Drug: Formulation and Evaluation of Solid Dispersion-Based Fast-Dissolving Tablets

Overview

Journal Biomedicines

Specialty Biomedical Engineering

Date 2023 Sep 28

PMID 37760881

Authors

Doaa Elsegaie

Mohamed A El-Nabarawi

Hanaa Abdelmonem Mahmoud

Mahmoud Teaima

Dina Louis

Affiliations

Soon will be listed here.

Abstract

Etoricoxib, as a model drug, has a poor solubility and dissolution rate. Cyclodextrin derivatives can be used to solve such a problem. A comparative study was run on three cyclodextrin derivatives, namely β-CD, HP β-CD, and SBE β-CD, to solve the drug problem through the formulation of solid dispersions and their preparation into fast-dissolving tablets. Preparations utilized different (1:1, 1:2, and 1:4) drug:carrier ratios. Nine fast-dissolving tablets (containing 1:4 drug: carrier) were formulated using Prosolv ODT and/or F-melt type C as super-disintegrants. Optimized formulation was chosen based on a 3 factorial design. The responses chosen were the outcomes of the in vitro evaluation tests. The optimized formulation that had the highest desirability (0.86) was found to be SD-HP3, which was prepared from etoricoxib: HP β-CD at a 1:4 ratio using equal amounts of Prosolv ODT and F-melt type C. An in vivo evaluation of SD-HP3 on a rabbit model revealed its superiority over the marketed product Arcoxia. SD-HP3 showed a significantly lower Tmax (13.3 min) and a significantly higher Cmax (9122.156 μg/mL), as well as a significantly higher AUC, than Arcoxia. Thus, the solubility, dissolution, and bioavailability of etoricoxib were significantly enhanced.

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