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Study results available for use of Infuse Bone Graft for oral surgery

Medtronic : 16 October, 2009  (New Product)
Results from comparative study between Infuse and autogenous bone grafts available from Medtronic
Medtronic has announced results of a study comparing the safety and effectiveness of Infuse Bone Graft to autogenous bone Graft (bone harvested from the patient) when used in maxillary sinus floor augmentation.

Published in the September issue of the Journal of Oral and Maxillofacial Surgery, the Infuse Bone Graft Sinus Lift Augmentation Pivotal Study results were shared at the joint meeting of the American Academy of Oral and Maxillofacial Surgeons and Canadian Academy of Oral and Maxillofacial Surgeons in Toronto. These data were part of the pre-market approval (PMA) submission to the US Food and Drug Administration (FDA) that led to the March 2007 approval of Infuse Bone Graft in certain oral maxillofacial and dental regenerative uses.

Infuse Bone Graft was shown to have very similar rates of effectiveness to autogenous bone graft, the standard of care, for sinus lifts, which is a common dental surgical procedure. The advantage of using Infuse Bone Graft is that it avoids harvesting autogenous bone (bone from the patient) and the associated morbidity, cost, and increased surgical time. The study provided actual human histological evidence that the bone generated by Infuse Bone Graft is normal, mature, 100-percent viable bone with no residual Graft material, as evidenced by core samples taken at the time of dental Implant placement.

'Investigators were unanimous in their support of the quantity, safety, and effectiveness of rhBMP-2 in inducing bone. rhBMP-2 is an important alternative to autograft bone for those sinus lift augmentation patients with severe bone loss,' said Gilbert Triplett, DDS PhD, Oral and Maxillofacial Surgery Chair at the Texas A&M Health Science Center in Dallas, Texas, and lead author of this publication. “This device will be an outstanding addition to the armamentarium for bone Graft augmentation in the oral environment.”

An estimated 15,000 US oral maxillofacial surgeons, periodontists and other dental specialists treat patients with severe bone loss that results primarily from disease, trauma, or genetic defects. Nearly 100,000 patients are indicated for a sinus lift augmentation to place dental implants.

Infuse Bone Graft (rhBMP-2 combined with an absorbable collagen sponge) was originally approved for an anterior lumbar interbody fusion with a Medtronic titanium interbody fusion device in July 2002 and is also indicated for the treatment of acute open tibial fractures. rhBMP-2 is a bone morphogenetic protein that stimulates the patient’s own stem cells to grow or regenerate their own new bone.

Infuse Bone Graft has received the prestigious Prix Galien USA 2008 Award for Best Biotechnology Product.
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