Polyvinyl alcohol microspheres, and methods for making and...

A - Human Necessities – 61 – K

Patent

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A61K 9/16 (2006.01) A61K 47/48 (2006.01)

Patent

CA 2345205

The present invention relates to microspheres useful for embolization which comprises polyvinylalcohol. The present invention also relates to an injectable suspension suitable for embolization which comprises the polyvinylalcohol microspheres and a suitable liquid carrier. The present invention further relates to a method for prophylactic or therapeutic embolization which comprises administering to a mammal an injectable suspension containing the polyvinylalcohol microspheres and a suitable liquid carrier. Finally, the present invention relates to a process for producing the polyvinylalcohol microspheres.

L'invention a trait à des microsphères utiles pour une embolisation, qui renferment un poly(alcool de vinyle). L'invention a également trait à une suspension injectable convenant pour l'embolisation, qui renferme les microsphères de poly(alcool de vinyle) et un excipient liquide approprié. L'invention a en outre trait à un procédé d'embolisation prophylactique ou thérapeutique, qui comporte l'étape consistant à administrer à un mammifère une suspension injectable contenant les microsphères de poly(alcool de vinyle) et un excipient liquide approprié. Enfin, l'invention concerne un procédé de production des microsphères de poly(alcool de vinyle).

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