Patent ID: 6443976
Filing Date: 2002-09-03
Classification: A61K,A61P

Abstract:
A method for treating a lesion of an animal, the animal having a blood vessel that carries blood into the lesion, comprising(a) administering a first composition comprising a dye suitable for use in photodynamic therapy and a pharmaceutically-acceptable carrier to the animal to fill at least a portion of the lesion with the first composition; (b) applying radiation to the lesion of a type and in an amount sufficient to excite the dye residing therein and cause the lesion to undergo photodynamic therapy; (c) administering a second composition comprising a dye suitable for use in dye-enhanced photocoagulation and a pharmaceutically-acceptable carrier to the animal to fill at least part of the blood vessel that carries blood into the lesion; and (d) applying radiation to the blood vessel as the second composition at least partially fills the vessel of a type and in an amount sufficient to excite the dye therein, thereby reducing the rate of blood flow through the vessel.