Platelet-derived growth factor compositions and methods for...

A - Human Necessities – 61 – K

Patent

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A61K 38/39 (2006.01) A61K 31/726 (2006.01) A61K 33/42 (2006.01) A61K 35/12 (2006.01) A61K 38/18 (2006.01) A61P 19/00 (2006.01)

Patent

CA 2754501

The present invention provides compositions and methods for treating an osteochondral defect. In one embodiment, provided is a composition for treating an osteochondral defect comprising a biphasic biocompatible matrix and platelet derived growth factor (PDGF), wherein the biphasic biocompatible matrix comprises a scaffolding material and wherein the scaffolding material forms a porous structure comprising an osseous phase and a cartilage phase. In another embodiment, also provided is a method for treating an osteochondral defect in an individual comprising administering to the individual an effective amount of a composition comprising a biphasic biocompatible matrix and PDGF to at least one site of the osteochondral defect, wherein the biphasic biocompatible matrix comprises a scaffolding material and wherein the scaffolding material forms a porous structure comprising an osseous phase and a cartilage phase.

L'invention concerne des compositions et des méthodes de traitement d'un défaut ostéo-cartilagineux. Dans une forme de réalisation, l'invention concerne une composition destinée à traiter un défaut ostéo-cartilagineux comprenant une matrice biphasique biocompatible et un facteur de croissance dérivé des plaquettes (PDGF), ladite matrice comprenant une matière squelette formant une structure poreuse, qui comprend une phase osseuse et une phase cartilagineuse. Dans un autre mode de réalisation, l'invention concerne une méthode de traitement d'un défaut ostéo-cartilagineux chez un sujet, qui comprend l'étape consistant à administrer à ce sujet une quantité efficace d'une composition comprenant une matrice biphasique biocompatible et un PDGF, sur au moins un site du défaut ostéo-cartilagineux, ladite matrice comprenant une matière squelette qui forme une structure poreuse comprenant une phase osseuse et une phase cartilagineuse.

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