Growth factor delivery systems for the healing of wounds and...

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert

Reexamination Certificate

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C424S040000, C424S422000, C424S427000, C424S484000

Reexamination Certificate

active

10340434

ABSTRACT:
The present invention features hydrogel drug delivery systems and methods of producing and using such systems for the treatment of wounds. The systems are based on a hydrogel into which a low concentration of growth factor, e.g., epidermal growth factor, is passively transferred from a dilute aqueous solution. When placed in contact with a wounded tissue, the growth factor passively transfers out of the contact lens to provide accelerated healing. The systems are applicable to ocular and other wound treatments.

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European Search Report for EP03719865, Aug. 4, 2005.

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