Abstract

This paper deals with the results of clinical trials for sulfated aluminum phthalocyanine (PHS) (Photosens, Russia) and Photogeme (PG) in Russia. The results of photodynamic therapy (PDT) of head and neck tumors (HNT), side effects and ways of their correction and prevention, as well as possibility to work out less toxic regimes of PDT with photosense, choice of laser and type of irradiation are discussed. PDT have been provided in 79 patients with different head and neck tumors. Efficacy of PDT depended on tumor size and its histological type. Undesirable changes in plasma content of antioxidants by means of high pressure liquid chromatography (HLPC) have been found in patients after PHS injection. Influence of short-term and long-term supplementation with beta-carotene and vitamin E on this parameters are discussed.© (1997) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

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