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Photodynamic therapy for esophageal cancer.

Abstract
Photodynamic therapy (PDT) is a treatment that uses a photosensitizing drug that is administered to the patient, localized to a tumor, and then activated with a laser to induce a photochemical reaction to destroy the cell. PDT using porfimer sodium followed by excimer dye laser irradiation is approved as a curative treatment for superficial esophageal cancer in Japan. While endoscopic submucosal dissection (ESD) is currently more popular for esophageal cancer, there is evidence to support PDT as an alternative treatment and as a salvage treatment for local failure after chemoradiotherapy (CRT). A photosensitizing agent has also been developed that requires a shorter sun shade period after administration, and studies are currently underway to establish an esophageal cancer indication for this next-generation PDT in Japan.
AuthorsTomonori Yano, Ken Hatogai, Hiroyuki Morimoto, Yusuke Yoda, Kazuhiro Kaneko
JournalAnnals of translational medicine (Ann Transl Med) Vol. 2 Issue 3 Pg. 29 (Mar 2014) ISSN: 2305-5839 [Print] China
PMID25333005 (Publication Type: Journal Article, Review)

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