Method of treatment of pigmented cancer cells utilizing photodynamic therapy
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United States of America Patent
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May 1, 2001
Issued Date -
N/A
app pub date -
Mar 14, 2000
filing date -
Nov 12, 1997
priority date (Note) -
Expired
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Abstract
The present invention in general terms includes a method of treating cancerous cells containing a pigment, the method including irradiation of the cells with light of comprising the steps: (1) subjecting the cancerous cells to relatively high power light so as to substantially reduce the amount of the pigment in the cells; (2) treating the cancerous cells with one or more photosensitizing agent; followed by (3) subjecting the cancerous cells to relatively low power light so as to activate the photosensitizing agent(s).
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