Abstract
Decadron® tablets are commercially available in 0.5 and 4 mg formulations, often requiring the use of multiple tablets or fractional doses when the required dosage is unavailable. This practice can lead to inaccuracies and handling difficulties associated with tablet splitting and crushing tablets into powder. This study aimed to develop an orodispersible dexamethasone film that would allow precise dose control and overcome these challenges. The film formulation was optimized by dissolving varying amounts of hypromellose, glycerol, and dexamethasone in ethanolic solutions. These solutions were cast and dried at different thicknesses. Statistical optimization using the design of experiments was used to determine the ideal film composition. The optimized films met pharmaceutical standards, with a mass variation ≦ 2 %, thickness variation ≦ 2.5 %, and disintegration time ≦ 20 s. The uniform distribution of dexamethasone within the film enabled easy content control based on the film area. Dissolution testing indicated that the dissolution behavior of the film formulation behaved similarly to commercial tablets for up to 90 min. In conclusion, the developed orodispersible film offers precise dexamethasone dose control and addresses the limitations of tablet splitting, positioning it as a promising candidate for personalized medicine applications.
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