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A Review About the Drug Delivery from Microsponges


Microparticulate drug delivery systems have shown a great interest in the pharmaceutical area. They allow the increase of drug therapeutic efficacy and the reduction of side effects. In this context, microsponges represent a new model of porous polymer microspheres, which allow the entrapment of a wide range of active agents. During the development, it is necessary the characterization of the system and among of the most important tests are the release and permeation profile analysis. They can demonstrate the behavior of drug in a specific site with a particular application condition and are related to therapeutic efficacy. Therefore, this review provides an overview of drug delivery profile from microsponges. Methods for determination of in vitro release and ex vivo permeation studies are detailed. Examples of drug delivery from microsponges administered in different sites are also discussed with aim to provide an understanding of the use of this strategy to modify the drug delivery.

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The authors acknowledge the Brazilian agency CAPES (Coordination of Improvement of Higher Education Personnel).

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Correspondence to Marcos Luciano Bruschi.

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Junqueira, M.V., Bruschi, M.L. A Review About the Drug Delivery from Microsponges. AAPS PharmSciTech 19, 1501–1511 (2018). https://doi.org/10.1208/s12249-018-0976-5

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  • drug delivery
  • microsponges
  • release profile
  • permeation
  • microparticulate systems