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Millner, R.W., Lockhart, A.S., Bird, H. and Alexiou, C. (2009) A New Hemostatic Agent: Initial Life-Saving Experience with Celox (Chitosan) in Cardiothoracic Surgery. The Annals of Thoracic Surgery, 87, e13-e14.
https://doi.org/10.1016/j.athoracsur.2008.09.046

has been cited by the following article:

  • TITLE: Evaluation of Bone Regeneration of Simvastatin Loaded Chitosan Nanofiber Membranes in Rodent Calvarial Defects

    AUTHORS: Najib Ghadri, K. Mark Anderson, Pradeep Adatrow, Sidney H. Stein, Hengjie Su, Franklin Garcia-Godoy, Anastasios Karydis, Joel D. Bumgardner

    KEYWORDS: Guided Bone Regeneration (GBR), Chitosan, Simvastatin, Calvarial Defect, Membrane, Nanofiber

    JOURNAL NAME: Journal of Biomaterials and Nanobiotechnology, Vol.9 No.2, April 27, 2018

    ABSTRACT: Chitosan nanofiber membranes have been known to have a high degree of biocompatibility and support new bone formation with controllable biodegradation. The surface area of these membranes may allow them to serve as local delivery carriers for different biologic mediators. Simvastatin, a drug commonly used for lowering cholesterol, has demonstrated promising bone regenerative capability. The aim of this study was to evaluate simvastatin loaded chitosan nanofiber membranes for guided bone regeneration (GBR) applications and their ability to enhance bone formation in rat calvarial defects. Nanofibrous chitosan membranes with random fiber orientation were fabricated by electrospinning technique and loaded with 0.25 mg of simvastatin under sterile conditions. One membrane was implanted subperiosteally to cover an 8 mm diameter critical size calvarial defect. Two groups: 1) Control: non-loaded chitosan membranes; 2) Experimental: chitosan membranes loaded with 0.25 mg of simvastatin were evaluated histologically and via micro-computed tomography (micro-CT) for bone formation at 4 and 8 weeks time points (n = 5/group per time point). Both groups exhibited good biocompatibility with only mild or moderate inflammatory response during the healing process. Histologic and micro-CT evaluations confirmed bone formation in calvarial defects as early as 4 weeks using control and experimental membranes. In addition, newly-formed bony bridges consolidating calvarial defects histologically along with partial radiographic defect coverage were observed at 8 weeks in both groups. Although control and experimental groups demonstrated no significant statistical differences in results of bone formation, biodegradable chitosan nanofiber membranes loaded with simvastatin showed a promising regenerative potential as a barrier material for guided bone regeneration applications.