Novel association, a method of its preparation and its uses
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United States of America Patent
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Issued Date -
Dec 1, 2005
app pub date -
Apr 7, 2005
filing date -
May 25, 2004
priority date (Note) -
Abandoned
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Abstract
The invention provides a novel association of polyvinylpyrrolidone with chlorin p6 and/or its salt with a pharmaceutically acceptable counter-ion and a method of preparation thereof. Preferably, the weight ratio of chlorin p6 and/or its salt with a pharmaceutically acceptable counter-ion to polyvinylpyrrolidone is contained within the range from about 1:1 to about 1:200. The association can be used as a photosensitizer in photodynamic therapy and/or diagnostics or for photochemical internalization of molecules as well as a photosensitizer in cosmetology. The invention provides also a pharmaceutical composition containing the novel association, a method of treating and diagnosing diseases by a dynamic phototherapy and a method of performing cosmetic procedures with the use of the novel association as a photosensitizer.
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