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- (FOH-toh-SEN-sih-ty-zer) A drug used in photodynamic therapy. When absorbed by cancer cells and exposed to light, the drug becomes active and kills the cancer cells. Also called photosensitizing agent .
National Cancer Institute - Cite This Source - This Definition
- arsenic, dihematoporphyrin ether, hematoporphyrin derivative, HPPH, LED therapy, light-emitting diode therapy, methyl-5-aminolevulinate, photoactivity, photodynamic therapy, Photofrin, photosensitizing agent, porcine, porfimer sodium, psoralen and ultraviolet A therapy, PUVA therapy, silicon phthalocyanine 4, talaporfin sodium