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Last Updated: December 12, 2025

Claims for Patent: 6,034,267

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Summary for Patent: 6,034,267

Title:	Esters of 5-aminolevulinic acid as photosensitizing agents in photochemotherapy
Abstract:	The invention provides a pharmaceutical compositions comprising a compound of formula I: R.sub.2.sup.2 N--CH.sub.2 COCH.sub.2 --CH.sub.2 CO--OR.sup.1(I) wherein, R1 and R2 have any of the values defined in the specification; or a salt thereof; and a pharmaceutically acceptable carrier or excipient. The invention also provides a method for the diagnosis or photochemotherapeutic treatment of disorders or abnormalities of external or internal surfaces of the body using such compounds or salts.
Inventor(s):	Karl E. Gierskcky, Johan Moan, Qian Peng, Harald Steen, Trond Warloe, Alf Bjorseth
Assignee:	Photocure ASA
Application Number:	US08/913,257
Patent Claims:

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