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INTERNATIONAL JOURNAL OF PHARMACEUTICAL RESEARCH AND DEVELOPMENT
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ABSTRACT

   The aim of present research work was to prepare and evaluate transdermal drug delivery (TDDS) of metformin hydrochloride (MFH). MFH is an agonist at a2 -adrenergic receptor sites. The drug undergoes rapid first pass metabolism (approximately 95% of dose) which necessitates its frequent dosing by oral route. Transdermal drug delivery system of MFH was prepared using combinations of a hydrophobic polymer, ethyl cellulose and hydrophilic polymer, polyvinyl pyrrolidone in different ratios (1:2, 1:4, 1:6, 1:8, 2:1, 4:1, 6:1 and 8:1 w/w) by solvent evaporation technique. Polyvinyl alcohol was used to prepare the backing membrane and dibutyl phthalate as plasticizer. The prepared polymeric films were characterized for various physiochemical parameters like film thickness, tensile strength, moisture content, moisture uptake, water vapour transmission rate. Permeation studies were carried out for patches through commercial semi-permeable membrane as well as rat abdominal skin using Keshary-Chien diffusion cell. Formulation FC6 showed 96.92% drug release from the patch within 24 h in in vitro diffusion cell and was selected for ex vivo skin permeation and drug release data of selected patch showed good fit into Higuchi equation. The effect of storage on in vitro release and physiochemical parameters of selected patch was found within the acceptable limits. The drug polymer interaction study does not show any significant incompatibility among the drug and polymers.



        

Key words:
Transdermal patch, metformin hydrochloride, solvent evaporation technique.
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November - 2010 / Volume - 2/Issue - 9
( Total Articles =31 )
November 2010 Issue
Article No 29
November - 2010 / Volume - 2 / Issue - 9 / Article No - 29 / Research Article


A NOVEL TECHNIQUE FOR TREATING THE TYPE-ll DIABETES BY TRANSDERMAL PATCHES PREPARED BY USING MULTIPLE POLYMER COMPLEXES 

Arijit Das*,
Sibaji Ghosh, Biplab Kr. Dey,
Sudip Das


1Department of Pharmaceutics,
Himalayan Pharmacy Institute, Majhitar,
Rangpo, East Sikkim-737136,India
Email:aridas009@gmail.com
Arjit Das
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