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Abstract 80: Parathyroid Hormone Remediates Radiation Damage in a Murine Model of Distraction Osteogenesis via Histological Evaluation

PurPose: Radiation is known to be detrimental to bone and soft tissue repair, resulting in an unacceptably high incidence of devastating wound healing complications. This is effected through a mechanism of both direct cellular and vascular depletion. We sought to utilize an anabolic regimen of parathyroid hormone (PTH), an FDA-approved bone therapeutic, to remediate this deficiency. The purpose of this study was to allow for the successful utility of distraction osteogenesis in an irradiated field utilizing an intermittent regimen of PTH for the purpose of craniofacial reconstruction in head and neck cancer victims.