The Journal of Bone and Joint Surgery (American) 85:96-108 (2003)
© 2003 The Journal of Bone and Joint Surgery, Inc.
A Review of Preclinical Program Development for Evaluating Injectable Carriers for Osteogenic Factors
Howard Seeherman, PhD, VMD,
Rebecca Li, PhD and
John Wozney, PhD
Corresponding author: Howard Seeherman, PhD, VMDWyeth Research, 87 Cambridge Park Drive, Cambridge, MA 02140. E-mail address: hseeherman@wyeth.com
The research for this paper was sponsored by Wyeth. All three authors are employees of Wyeth. No commercial entity paid or directed, or agreed to pay or direct, any benefits to any research fund, foundation, educational institution, or other charitable or nonprofit organization with which the authors are affiliated or associated.
| The first 150 words of the full text of this article appear below. |
Recombinant human bone morphogenetic protein-2 (rhBMP-2) delivered with an absorbable collagen sponge (ACS) has been used to both accelerate and ensure healing of open tibial fractures in human patients
1,2 . Recombinant human osteogenic protein-1 (rhOP-1, rhBMP-7) delivered with type-1 bovine bone-derived collagen has also been used to treat tibial nonunions in patients
3 . A major limitation of both of these biomaterials is the requirement for open surgical placement, which prevents treatment of patients with a closed fracture managed by closed reduction. This represents a substantial patient population, since closed fractures constitute the vast majority of the 6.3 million fractures seen annually in the United States
4 . Development of an injectable carrier for osteogenic factors would allow treatment of closed fractures and would also overcome several other limitations of current implantable carriers. Placement of implantable products during the repair of open long-bone fractures is generally limited to areas of exposed bone . . . [Full Text of this Article]

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