Influence of topical photodynamic therapy with 5-aminolevulinic acid on porphyrin metabolism


Photodynamic therapy (PDT) with topically applied 5-aminolaevulinic acid (5-ALA) is increasingly used for treating tumours. The efficacy of topical PDT is limited to superficial and initial tumours. The topically applied doses of 5-ALA vary from 0.02 to 7.0 g per session according to the type of lesion. There are no studies on the influence of topically… (More)
DOI: 10.1007/BF02505247


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