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Polycaprolactone-based scaffold plus recombinant human bone morphogenetic protein (rhBMP-2) in an ovine model of anterior spinal fusion

Publication Date
  • 090302 Biomechanical Engineering
  • 090304 Medical Devices
  • 110314 Orthopaedics
  • Biodegradable Scaffold
  • Thoracic Fusion
  • In Vivo Sheep
  • Polycaprolactone Scaffold
  • Rhbmp-2
  • Biology
  • Engineering
  • Medicine


Synthetic scaffolds combined with growth factors have the potential to replace allograft or autograft as a graft material for spinal interbody fusion. Such tissue engineering approaches may be useful in Adolescent Idiopathic Scoliosis (AIS) surgery, however there are no studies to date examining the use of such biodegradable implants in combination with biologics in a thoracic spine model. This in vivo study examines the use of biodegradable polycaprolactone (PCL) based scaffolds with rhBMP-2 as a bone graft substitute in a sheep thoracic fusion model, where an anterior approach is used to simulate minimally invasive surgical deformity correction in the setting of AIS.

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