DESIGN AND EVALUATION OF MICROSPHERES LOADED WITH PIRENZEPINE
Journal Title: International Journal of Pharmaceutical Sciences and Drug Research - Year 2018, Vol 10, Issue 2
Abstract
The current objective of the investigation was to fabricate Pirenzepine loaded microspheres for the treatment of gastritis delivered through oral route. The microspheres were prepared by ionotropic gelation technique using sodium as alginate polymer and calcium chloride as cross-linking agent. The effect of polymer and cross-linking agent on particle size, shape, % yield, entrapment efficiency, and drug release were studied. The prepared microspheres morphology and physicochemical properties of were investigated by Fourier-transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC) and scanning electron microscopy (SEM). Among the total S14 formulations, S7 formulation was optimized at 2.2% of sodium alginate, 7% of calcium chloride maintained100rpm for 10 min at room temperature. The optimized S7 formulation displayed the %EE 94.10%, particle size 82.45 ± 0.09µm, % yield 96.30% and swelling index of 95.13%. From In vitro drug release studies S7 shown 97.17 ± 0.28% up to 12 h in 0.1N HCl, and the drug release followed the zero order and Korsmeyer-Peppas model (R2 = 0.987, 0.995) respectively, indicating the possible drug release mechanism to be by erosion and diffusion. The marketed product showed the drug release of 95.23 ± 0.21% within 1 h. The optimized S7 formulation subjected to stability studies for 6months as per ICH guidelines, no appreciable difference was observed hence the S7 formulation found stable. The data obtained thus suggest that a micro particulate system can be successfully designed for sustained delivery of Pirenzepine and to improve its bioavailability.
Authors and Affiliations
A. Aparna, C. M. Shalina, D. V. R. N. Bhikshapathi
Keywords
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- EP ID EP618391
- DOI 10.25004/IJPSDR.2018.100204
- Views 93
- Downloads 0
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