Abstract

Background: Difficulty in swallowing tablet dosage form is common among all ages people, especially old and pediatrics. Fast dissolving oral films (FDOFs) may represent an innovative dosage type that settles the issue of gulping and supply fast onset of action. Objective: The objective of the present investigation was to increase the solubility of poorly soluble Glipizide (BCS Class II) by solid dispersion technique and develop its FDOFs. Methods: A solvent evaporation process was used to make a solid dispersion of the Glipizide. The saturation solubility of glipizide and its solid dispersion was determined in a different solvent. For the film preparation, solvent casting method was chosen. The excipients were selected based on pre-formulation data. The composition of the film was optimized based on a trial-and-error basis using different concentrations of plasticizer. The average weight, thickness, disintegration time, tensile strength, surface pH, folding endurance, drug content, and in-vitro dissolution analysis of the films were all taken into consideration. Results: There was no incompatibility between drug / solid dispersion and the excipients. The solid dispersion of the glipizide showed improved solubility by almost 10 folds. Many of the formulated films disintegrated in less than 30 seconds. At the end of 5 minutes, the optimized film had released more than 90% of the compound. The prepared films were found to be stable at room temperature. Conclusion: The solubility of Glipizide was improved successfully by solubilization technique using soluplus. The FDOFs of the glipizide were successfully formulated using pullulan as polymer.

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