Development and in vitro evaluation of pantoprazole-loaded microspheres.

Abstract:

:Pantoprazole is a proton pump inhibitor prodrug used in the treatment of gastric ulcers and gastroesophageal disease. Pantoprazole must be absorbed in the gastrointestinal tract and because it is unstable under acidic conditions, enteric delivery systems are required. The purpose of this study was to prepare pantoprazole-loaded microspheres by emulsion-solvent evaporation technique using two different types of enteric-coating polymers: Eudragit S 100 and hydroxypropyl methylcellulose phtalate. The microspheres have been characterized in terms of their morphology, encapsulation efficiency, and ability of stabilizing pantoprazole in acidic media. Pantoprazole determinations were carried out using a validated spectrophotometric method for the analysis of drug in dissolution media. All microspheres, except F2 formulation, were successfully obtained. The in vitro assay showed that especially F1 and F4 microspheres were more effective in protecting the drug than F3 microspheres in acidic media.

journal_name

Drug Deliv

journal_title

Drug delivery

authors

Comoglu T,Gonul N,Dogan A,Basci N

doi

10.1080/10717540802006864

subject

Has Abstract

pub_date

2008-06-01 00:00:00

pages

295-302

issue

5

eissn

1071-7544

issn

1521-0464

pii

902055717

journal_volume

15

pub_type

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