ANTIEPILEPTIC RECTAL HYDROGEL LOADED WITH CARBAMAZEPINE – RICE BRAN WAX MICROSPHERES


Sreeja C Nair, Krishnapriya M, Karthika Ramesh

Abstract


ABSTRACT
Objectives: The objective behind the study is to develop a mucoadhesive rectal hydrogel from carbamazepine (CBZ) – rice bran wax (RBW)
microspheres for the purpose of controlled release for the treatment of epilepsy.
Methods: The study was conducted to formulate controlled release rectal hydrogel loaded with CBZ – RBW microspheres in two different natural polymers,
RBW and collagen which are prepared by modified cooling induced solidification method and gel preparation along with their evaluation studies.
Results: A thorough analysis of the optimized gel revealed that all the evaluation parameters evaluated are within the acceptable limits. Further, the
optimized microsphere formulation (M5) was used to formulate it as rectal hydrogel using polymer collagen and was characterized. The mucoadhesion
time of 25% w/w collagen hydrogel (H4) was 565 minutes, allowing the loaded microspheres to be attached on rectal mucosa. In vitro drug release
from the mucoadhesive hydrogel formulations showed controlled drug release pattern with a maximum drug release of 96.45±0.35% for optimized
H4 formulation after 12 hr, followed zero order release pattern with diffusion mediated Higuchi model. Ex vivo permeation studies using bovine rectal
mucosa revealed that H4 formulation showed greater permeability compared to control. Histopathological findings revealed that H4 formulation is
safer for rectal administration without any signs of rectal irritancy. The stability studies of optimized formulation (H4) proved that hydrogel remained
stable over a wide range of temperature condition.
Conclusion: Hence, the developed rectal hydrogel formulation seems to be a viable alternative to conventional drug delivery system for the effective
management of epilepsy.
Keywords: Carbamazepine, Rice bran wax, Rectal hydrogel, Sustainability.


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About this article

Title

ANTIEPILEPTIC RECTAL HYDROGEL LOADED WITH CARBAMAZEPINE – RICE BRAN WAX MICROSPHERES

DOI

10.22159/ajpcr.2017.v10i3.16144

Date

01-03-2017

Additional Links

Manuscript Submission

Journal

Asian Journal of Pharmaceutical and Clinical Research
Vol 10 Issue 3 March 2017 Page: 264-270

Print ISSN

0974-2441

Online ISSN

2455-3891

Statistics

88 Views | 138 Downloads

Authors & Affiliations

Sreeja C Nair
LECTURER,DEPARTMENT OF PHARMACEUTICS, AMRITA SCHOOL OF PHARMACY,AMRITA VISHWAVIDYAPEETHAM UNIVERSITY, AIMS- PONEKKARA P.O, KOCHI, KERALA, INDIA.
India

Krishnapriya M

Karthika Ramesh


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