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Biodegradable Implant Boosts Bone Growth 185% Over Traditional Material in Rat Study

Penn State reports 12-week rat data showing a metabolically active scaffold that accelerates bone formation, with clinical testing yet to begin.

Overview

  • CitraBoneQMg combines magnesium and glutamine with citric acid to elevate cellular energy and steer stem cells toward bone formation.
  • In a rat cranial defect model, bone regrowth rose 56% versus a citric acid-only scaffold and 185% versus a traditional implant after 12 weeks.
  • The scaffold concurrently modulated the AMPK and mTORC1 pathways, a mechanism the researchers associate with faster bone regeneration.
  • Investigators reported nerve regrowth and reduced inflammation at the implant site, plus inherent photoluminescent and photoacoustic signals for ultrasound tracking.
  • The work is published in Science Advances, a U.S. patent application has been filed, and the approach remains preclinical with human testing still required.