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Melt Extrusion pp 243-260 | Cite as

Melt Extruded Controlled Release Dosage Forms

Chapter
Part of the AAPS Advances in the Pharmaceutical Sciences Series book series (AAPS, volume 9)

Abstract

Hot-melt extrusion is a proven pharmaceutical processing technology, enabling the formation of matrices and structures designed to control drug release. Controlled drug release formulations are important for reducing side effects, improving bioavailability, and patient compliance. Melt extrusion has been applied in the production of various controlled-release dosage forms: including pellets, tablets, films, and drug reservoirs. Controlled-release dosage forms prepared by extrusion have been demonstrated for oral delivery as well as in producing implants and transmucosal devices. This chapter reviews extruded controlled-release dosage forms, highlighting the importance of material properties and structure. The mechanisms by which drugs are released from different materials and structures are reviewed using examples from current literature.

Keywords

Drug Release Dosage Form Matrix Tablet Drug Release Rate Lipid Matrix 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© American Association of Pharmaceutical Scientists 2013

Authors and Affiliations

  1. 1.The University of Texas at AustinAustinUSA
  2. 2.DisperSol Technologies, LLCGeorgetownUSA

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