Fabrication of hollow porous PLGA microspheres using sucrose for controlled dual delivery of dexamethasone and BMP2

  • Young Bock Shim
  • , Hong Hee Jung
  • , Ju Woong Jang
  • , Hee Seok Yang
  • , Hojae Bae
  • , Jong Chul Park
  • , Bogyu Choi
  • , Soo Hong Lee

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Hollow porous poly(d,l-lactide-co-glycolide) microspheres (HP-PLGA-MS) were manufactured using the water-in-oil-in-water double emulsion solvent evaporation method with sucrose as a novel porogen. Dexamethasone (DEX) was dissolved in the oil phase and loaded during the preparation of the HP-PLGA-MS. Bone morphogenetic protein-2 (BMP2) with type I collagen (Col1) was incorporated into HP-PLGA-MS using a simple immersion method. The release rate of BMP2 could be controlled by the amount of Col1. DEX and BMP2 showed a sustained release profile. These results showed that the HP-PLGA-MS could be fabricated successfully using sucrose and showed great potential as a controlled dual drug delivery system.

Original languageEnglish
Pages (from-to)101-106
Number of pages6
JournalJournal of Industrial and Engineering Chemistry
Volume37
DOIs
StatePublished - 25 May 2016

Keywords

  • BMP2
  • Dexamethasone
  • Hollow porous microspheres
  • PLGA
  • Sucrose

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