Photodynamic therapy of pigment-related lesions

Surgery – Miscellaneous – Methods

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607 88, 607901, A61B 1900

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057753393

ABSTRACT:
The present invention involves the use of a photosensitive texaphyrin for the photodynamic treatment of a pigmented lesion, such as a melanodermic lesion, or a lesion obscured by pigmented tissue such as melaniferous tissue in a subject. In particular, the invention provides a treatment for the metastatic process of melanoma, and a method for inhibiting growth of established metastases of melanoma. The photosensitive texaphyrin may be a free-base texaphyrin or may be metallated with a diamagnetic metal. Preferably, the texaphyrin is metallated with lutetium. Heretofore, melanoma has been refractory to treatment with photodynamic therapy.

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