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Controlled release formulation of levocetirizine dihydrochloride by casein microparticles

Vino, R. Lakshmi, Gopika, Ghosh

African Journal of Pharmacy and Pharmacology, 2013

7 citations

Abstract

The study aims to develop a microparticulate casein based delivery system by the controlled drug delivery approach using Levocetirizine dihydrochloride as the model drug. Fourier transform infrared spectroscopy (FTIR), X-ray and differential scanning calorimetry (DSC) studies substantially indicates the presence of molecularly dispersed drug within the particles with preserved stability during microencapsulation. In vitro release studies of levocetirizine dihydrochloride loaded microparticles were performed by simulating the condition of gastrointestinal tract, and showed the minimal drug leakage (less than 5%) at acidic pH (1.2) and significantly higher release at basic pH (7.4). The results were found to be critical in confirming the role of casein microparticles as potential candidate for the controlled and targeted release of levocetirizine dihydrochloride.

Key words: Extended release, casein, levocetirizine dihydrochloride, steric stabilization.

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