Ophthalmic Emulsions Containing Prostaglandins
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United States of America Patent
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Issued Date -
Oct 30, 2008
app pub date -
Oct 10, 2006
filing date -
Nov 9, 2004
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Abstract
Cationic ophthalmic oil-in-water type emulsions, include colloid particles having an oily core surrounded by an interfacial film. The emulsion includes at least one cationic agent and at least one non ionic surfactant, the oily core including a prostaglandin selected from the group consisting essentially of latanoprost, unoprostone isopropyl, travoprost, bimatoprost, tafluprost, 8-isoprostaglandinE.sub.2, or a mixture thereof, for treating ocular hypertension and/or glaucoma. These emulsions have the property to increase the chemical stability of prostaglandins.
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