A gastroretentive drug delivery system of lisinopril imbibed on isabgol-husk.

Abstract:

:The gastroretentive drug delivery system is site-specific and allows the drug to remain in the stomach for a prolonged period of time so that it can be released in a controlled manner in gastrointestinal tract. The present study was carried out to develop a gastroretentive drug delivery system using isabgol as an excipient to prolong the residence time of the model drug lisinopril in the stomach. The gastroretentive ability of isabgol was increased by addition of NaHCO3 as a gas-generating agent while its mucoadhesive property was enhanced by incorporation of HPMC-K4M. The drug, NaHCO3 and HPMC-K3M were imbibed on isabgol-husk as per entrapment efficiency of the isabgol-husk. After drying, the product was filled in a hard gelatin capsule and evaluated for its buoyancy, mucoadhesive properties, swelling index and in vitro drug release. The lisinopril released through isabgol was delayed by 12 hours when compared to a preparation available on the market which released the complete drug in 0.5 hours. The drug release study of lisinopril from the formulation follows first order kinetics using a diffusion controlled mechanism. The results from the present study revealed that isabgol can be used as a potential excipient for the formulation of gastroretentive drug delivery systems in the near future.

journal_name

Curr Drug Deliv

journal_title

Current drug delivery

authors

Semwal R,Semwal RB,Semwal DK

doi

10.2174/15672018113106660065

subject

Has Abstract

pub_date

2014-01-01 00:00:00

pages

371-9

issue

3

eissn

1567-2018

issn

1875-5704

pii

CDD-EPUB-56812

journal_volume

11

pub_type

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