3D bioprinted scaffolds for diabetic wound healing applications

Research output: Contribution to journalArticlepeer-review

Abstract

The treatment strategy required for the effective healing of diabetic foot ulcer (DFU) is a complex process that is requiring several combined therapeutic approaches. As a result, there is significant clinical and economic burden associated in treating DFU. Furthermore, these treatments are often unsuccessful, commonly resulting in lower-limb amputation. The use of drug-loaded scaffolds to treat DFU has previously been investigated using electrospinning and Fused Deposition Modeling (FDM) 3D printing techniques; however, the rapidly evolving field of bioprinting is creating new opportunities for innovation within this research area. In this study, 3D bioprinted scaffolds with different designs have been fabricated for the delivery of an antibiotic (levoflocixin) to DFU. The scaffolds were fully characterised by a variety of techniques (e.g., SEM, DSC/TGA, FTIR, and mechanical characterisation), demonstrating excellent mechanical properties and providing sustained drug release for 4 weeks. This proof of concept study demonstrates the innovative potential of bioprinting technologies in fabrication of antibiotic scaffolds for the treatment of DFU.
Original languageEnglish
JournalDrug Delivery and Translational Research
Early online date11 Jan 2022
DOIs
Publication statusEarly online date - 11 Jan 2022

Keywords

  • Diabetic foot ulcer
  • diabetes mellitus
  • bioprinting
  • wound healing
  • drug delivery
  • additive manufacturing
  • scaffolds
  • implants

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