Hot Melt Extrusion and its Application in 3D Printing of Pharmaceuticals

Author(s): Sanjeevani Deshkar*, Mrunali Rathi, Shital Zambad, Krishnakant Gandhi

Journal Name: Current Drug Delivery

Volume 18 , Issue 4 , 2021

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Graphical Abstract:


Hot Melt Extrusion (HME) is a continuous pharmaceutical manufacturing process that has been extensively investigated for solubility improvement and taste masking of active pharmaceutical ingredients. Recently, it is being explored for its application in 3D printing. 3D printing of pharmaceuticals allows flexibility of dosage form design, customization of dosage form for personalized therapy and the possibility of complex designs with the inclusion of multiple actives in a single unit dosage form. Fused Deposition Modeling (FDM) is a 3D printing technique with a variety of applications in pharmaceutical dosage form development. FDM process requires a polymer filament as the starting material that can be obtained by hot melt extrusion. Recent reports suggest enormous applications of a combination of hot melt extrusion and FDM technology in 3D printing of pharmaceuticals and need to be investigated further. This review in detail describes the HME process, along with its application in 3D printing. The review also summarizes the published reports on the application of HME coupled with 3D printing technology in drug delivery.

Keywords: Hot melt extrusion, 3D printing, additive manufacturing, fused deposition modeling, rapid prototyping, FDM.

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Article Details

Year: 2021
Published on: 10 November, 2020
Page: [387 - 407]
Pages: 21
DOI: 10.2174/1567201817999201110193655
Price: $65

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PDF: 106