Photodynamic Therapy as a New Prospective Method for Cancer TreatmentII. Overview of Photosensitizers
FOTODYNAMICKÁ TERAPIE JAKO NOVÁPERSPEKTIVNÍ METODA LÉČBYNÁDOROVÝCH ONEMOCNĚNÍI. PŘEHLED FOTOSENZITIZÉRŮ
Od dob zavedení derivátu hematoporfyrinu pod komerčním názvem Photofrin® do terapeuticképraxe v roce 1993 v Kanadě se značně zvýšil počet zkoumaných fotosenzitizérů (PS). Některé z nichjiž úspěšně prošly klinickými zkouškami a jsou v užívání pro léčbu jak kancerózních (ALA, temoporfin),tak nekancerózních (verteporfin) onemocnění. Jiné těmito zkouškami procházejí (talaporfin,motexafin lutecium, SnET2, ftalocyaniny). Látky novější (tzv. druhá generace), což jsou všechny PSkromě Photofrinu®, mají oproti první generaci často výhodnější vlastnosti, zejména co se týčeabsorpce při vyšších vlnových délkách, kratší kožní fotosenzitivity, lepšího poměru kumulace mezinádorovou a zdravou tkání, farmakokinetiky.
Klíčová slova:
fotodynamická terapie – fotosenzitizér – Photofrin
Authors:
P. Zimčík; M. Miletín
Authors‘ workplace:
Katedra farmaceutické chemie a kontroly léčiv Farmaceutické fakulty Univerzity Karlovy, Hradec Králové
Published in:
Čes. slov. Farm., 2004; , 271-279
Category:
Overview
Since the time when hematoporphyrine derivative (trade name Photofrin®) has been introduced intoclinical practice in Canada in 1993, a lot of new photosensitizers (PS) have been studied. Some ofthem successfully passed the clinical trials and are in use in the treatment of cancerous (ALA,temoporfin) and non-cancerous (verteporfin) diseases. The others (motexafin lutecium, talaporfin,phthalocyanines and SnET2) are entering or passing the clinical trials now. The newer PS are alsocalled the second generation PS,when the first generation is composed of Photofrin® only.The secondgeneration PS usually possesses better properties, especially concerning absorption at longerwavelengths, shorter skin photosensitivity, better accumulation ratio between tumorous and healthytissue and pharmacokinetics.
Key words:
photodynamic therapy – photosensitizer – Photofrin
Labels
Pharmacy Clinical pharmacologyArticle was published in
Czech and Slovak Pharmacy
2004 Issue 6
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