Photochemotherapeutical obstruction of newly-formed blood vessels
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United States of America Patent
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May 15, 2001
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N/A
app pub date -
Apr 29, 1999
filing date -
Sep 6, 1995
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Abstract
A photosensitive tetrapyrrole derivative having formula (I) ##STR1## where n stands for 1 or 2 or a pharmaceutically acceptable salt thereof is useful as an effective ingredient in an obstruent composition for photochemotherapeutically obstructing neovascular vessels. The photosensitive tetrapyrroles of the formula (I) may be administered in a photochemotherapeutic method for obstructing neovascular vessels, particularly choroidal and retinal neovascularizations.
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