PHOTODYNAMIC THERAPY PROCESS AND PHOTOSENSITIZER COMPOSITIONS THEREFOR
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United States of America Patent
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Oct 6, 2008
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Oct 8, 2007
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Abstract
A process of performing photodynamic therapy is provided along with a photosensitizer composition suitable for the process. The photosensitizer composition comprises at least one photoactive ingredient in a chemically reduced state. According to the process, the photosensitizer composition having at least one photoactive ingredient in a chemically reduced state is provided. The photosensitizer composition is applied to tissue or other substrate such that the at least one photoactive ingredient is at or travels to a location adjacent a target medium and the at least one photoactive ingredient is then altered to a photoactive state. The at least one photoactive ingredient is then exposed to light energy for assisting in inhibiting at least one pathogen at the target medium.
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