Methods of ophthalmic administration

A - Human Necessities – 61 – K

Patent

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A61K 9/00 (2006.01) A61K 38/46 (2006.01) A61K 38/55 (2006.01) A61K 39/395 (2006.01) A61K 48/00 (2006.01) A61P 9/10 (2006.01) A61P 27/02 (2006.01) A61P 27/06 (2006.01) A61K 38/12 (2006.01)

Patent

CA 2339244

Intrascleral injection of a therapeutic or diagnostic material at a location overlying the retina provides a minimally invasive technique for delivering the agent to the posterior segment of the eye. The procedure also allows for close proximity of the material to the targeted site and can be effectively used to treat conditions associated with the posterior segment of the eye, including macular degeneration, vein occlusion, and diabetic retinopathy. The sclera can be used to hold a depot of the material such as for sustained released or as a conduit for propelling material through whereby the material is delivered immediately to the underlying tissues but without physically penetrating the sclera with an instrument or otherwise unreasonably traumatizing the eye.

L'invention concerne l'injection intrasclérale d'une substance thérapeutique ou diagnostique, au niveau d'un endroit recouvrant la rétine, cette injection consistant en une technique invasive minimale servant à apporter ledit agent sur le segment postérieur de l'oeil. Cette procédure permet également à la substance d'être très proche du site ciblé et elle est efficace pour traiter des états associés au segment postérieur de l'oeil, notamment la dégénérescence maculaire, l'occlusion veineuse et la rétinopathie diabétique. On peut utiliser la sclère afin qu'elle conserve un dépôt de la substance, comme pour une libération retard, ou en tant que canalisation destinée à évacuer la substance en l'apportant immédiatement aux tissus sous-jacents, mais sans que l'on ait à pénétrer physiquement dans la sclère à l'aide d'un instrument ou que l'on traumatise d'une autre manière déraisonnable l'oeil.

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