Thu, 17 Apr 2014

SOLID DISPERSION BASED TABLETS OF POORLY SOLUBLE DRUG FLURBIPROFEN

 Hemangi J Patel 1Piyush Tiwari1Jitendra S Patel1

 

1. Bhabha Pharmacy Research Institute, Bhopal, MP


ABSTRACT

Flurbiprofen Non-steroidal anti-inflammatory drugs (NSAIDS) drug has half-life of about 3 to 6 hrs. The present study aims to formulate and evaluate poorly soluble drug Flurbiprofen using solid dispersion based tablet. Various studies have been done in attempt to improve the solubility’s of Poorly water soluble drugs. The advent of solid dispersion technique provides a unique approach to particle size reduction and increased rates of dissolution. The compatibility studies of the drug and polymers were studied by IR spectroscopy and results suggested no interaction between drug and polymers. Solid dispersions of Flurbiprofen were prepared by common solvent method using Hydroxy Propyl Cellulose (HPC), Polyvinyl Pyrrolidone K-30(PVP) and Mannitol Fast dissolution observed with Mannitol as compared to HPC and PVP. Formulations F3, F6 and F9 containing PVP, HPC and Mannitol along with drug in 1: 6 ratios were used to formulate tablets. Formulation F9 containing drug and Mannitol showed highest dissolution of 81.11% in 1 hour  due to amorphous nature of drug in presence of polymer. Formulation F3 containing drug and PVP in 1 : 6 ratio showed 73.05% drug release  because of the formation of aggregates. Formulation F6 containing drug and HPC showed only 61.65% drug release due to the crystalline of the drug, low solubility of the drug. Results indicate that formulations prepared by the technique of solid dispersion showed increase in the dissolution of Poorly water soluble drug.

Key word: Solid dispersion; Flurbiprofen; Micronization; Compatibility studies.


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