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Pharmacokinetics and Bioequivalence Estimation of Two Formulations of Alfuzosin Extended‐Release Tablets

Al Bawab, Abdel Qader, Alkhalidi, Bashar A., Albarahmieh, Esra'a, Qassim, Sami M.A., Al‐Saifi, Mohammad A.D., Al‐Saifi, Bashar, Ling, Jonathan and Al-Qerem, Waleed (2020) Pharmacokinetics and Bioequivalence Estimation of Two Formulations of Alfuzosin Extended‐Release Tablets. Clinical Pharmacology in Drug Development. ISSN 2160-763X

Item Type: Article

Abstract

Alfuzosin is a medication approved by the US Food and Drug Administration to treat benign prostatic hyperplasia symptoms. Bioequivalence studies are demanded by regulatory authorities to evaluate the expected in vivo biological similarity of 2 formulations of a medication. The aim of this study is to assess the bioavailability of the generic (test) and branded (reference) formulations of 10‐mg alfuzosin extended‐release tablets after oral administration to healthy adults under fed conditions. The study used a comparative randomized, single‐dose, 2‐way crossover open‐label study design. Thirty‐three participants were recruited and completed the clinical assessment. The pharmacokinetic parameters maximum plasma concentration (Cmax), area under the plasma concentration–time curve (AUC0‐t), AUC extrapolated to infinity (AUC0‐∞), time to maximum concentration, and elimination half‐life were estimated to prove bioequivalence. The confidence intervals for the log‐transformed test/reference ratios for alfuzosin 110.7% (98.0–124.9) and 112.0% (101.9–123.1) for Cmax and AUC0‐t respectively, which are within the allowed limits specified by the regulatory authorities (80–125% for Cmax and AUC0‐t). The test formulation can therefore be prescribed as an alternative to the reference for symptomatic treatment of benign prostatic hyperplasia.

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More Information

Depositing User: Jonathan Ling

Identifiers

Item ID: 12256
Identification Number: https://doi.org/10.1002/cpdd.860
ISSN: 2160-763X
URI: http://sure.sunderland.ac.uk/id/eprint/12256
Official URL: https://accp1.onlinelibrary.wiley.com/doi/abs/10.1...

Users with ORCIDS

ORCID for Jonathan Ling: ORCID iD orcid.org/0000-0003-2932-4474

Catalogue record

Date Deposited: 17 Jul 2020 08:29
Last Modified: 16 Jul 2021 02:38

Contributors

Author: Jonathan Ling ORCID iD
Author: Abdel Qader Al Bawab
Author: Bashar A. Alkhalidi
Author: Esra'a Albarahmieh
Author: Sami M.A. Qassim
Author: Mohammad A.D. Al‐Saifi
Author: Bashar Al‐Saifi
Author: Waleed Al-Qerem

University Divisions

Faculty of Health Sciences and Wellbeing

Subjects

Sciences > Pharmacy and Pharmacology

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