Surgery – Means for introducing or removing material from body for... – Infrared – visible light – ultraviolet – x-ray or electrical...
Patent
1990-12-28
1992-11-17
Pellegrino, Stephen C.
Surgery
Means for introducing or removing material from body for...
Infrared, visible light, ultraviolet, x-ray or electrical...
604 49, 514456, 530370, A61N 130
Patent
active
051638983
ABSTRACT:
A photochemical method is described for treating cancer wherein phycocyanin is administered to a patient suffering from internal or skin cancer. Once administered, phycocyanin is selectively taken up into cancer cells, and upon subsequent irradiation destruction of the cancer cells occurs. Phycocyanin offers several advantages over prior art chemicals used for similar purposes. First, it is only marginally sensitive to the ultraviolet portion of the spectrum; consequently patients can be irradiated without concern that they will be sensitized to subsequent exposure to sunlight. Second, phycocyanin is selectively taken up into cancer cells with little or no uptake by surrounding normal cells. This ensures that upon subsequent irradiation that the tumors are selectively destroyed with little or no damage to the surrounding cells or tissue. A variety of different types of cancer cells can be effectively treated by this method; treatments of breast cancer, leukemia and murine tumors are described.
REFERENCES:
patent: 4336809 (1982-06-01), Clark
patent: 4512762 (1985-04-01), Spears
patent: 4886831 (1989-12-01), Morcos et al.
Henry Walter L.
Morcos N. Charle
Pellegrino Stephen C.
Rafa Mchael
The Regents of the University of California
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