Abstract
The drug can be released in a controlled manner using a gastro retentive dosage type. The main focus on the novel technological advances in the floating drug delivery method for gastric retention. The preparation of diacerein micro balloon is done by solvent diffusion method, using acrylic polymer like Eudragit S 100 and HPMC K4 M. The various evaluation of the prepared floating microsphere like its % yield, drug entrapment efficiency, particle size in-vitro dissolution, buoyancy, was studied. The floating microsphere was found to be spherical and range from 85 μm - 192 μm. Whereas the buoyancy in gastric mucosa between the range 30.5% -49.5%. The % yield and % entrapment efficiency were found under the range 61% - 82% and 45.1–84.1% respectively. The microsphere showed favorable in-vitro dissolution 76.8 to 94.45. The optimized formulation was found based on evaluation of floating micro-balloons, Formulation (M3E3) showed the best result as particle size 192 μm, DDE 84.1%, in vitro drug release 94.5%, and in vitro buoyancy 49.5%. all the formulations showed controlled release up to 24 hours.
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