Experimental use of photodynamic therapy in high grade gliomas: a review focused on 5-aminolevulinic acid.

Marie-Charlotte Tetard 1, 2, 3 Maximilien Vermandel 1, 2, 3 Serge Mordon 3 Jean-Paul Lejeune 1, 2, 3 Nicolas Reyns 1, 2, 3
1 CHRU Lille - Centre Hospitalier Régional Universitaire [Lille]
2 Université de Lille, Droit et Santé
3 Therapies Interventionnelles Assistees Par l'Image et la Simulation
Abstract : Abstract Photodynamic therapy (PDT) consists of a laser light exposure of tumor cells photosensitized by general or local administration of a pharmacological agent. Nowadays, PDT is a clinically established modality for treatment of many cancers. 5-Aminolevulinic acid (ALA) induced protoporphyrin IX (PpIX) has proven its rational in fluoro-guided resection of malignant gliomas due to a selective tumor uptake and minimal skin sensitization. Moreover, the relatively specific accumulation of photosensitizing PPIX within the tumor cells has gained interest in the PDT of malignant gliomas. Several experimental and clinical studies have then established ALA-PDT as a valuable adjuvant therapy in the management of malignant gliomas. However, the procedure still requires optimizations in the fields of tissue oxygenation status, photosensitizer concentration or scheme of laser light illumination. In this extensive review, we focused on the methods and results of ALA-PDT for treating malignant gliomas in experimental conditions. The biological mechanisms, the effects on tumor and normal brain tissue, and finally the critical issues to optimize the efficacy of ALA-PDT were discussed.
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Photodiagnosis and Photodynamic Therapy, Elsevier, 2014, pp.319-30
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https://hal.archives-ouvertes.fr/hal-01181357
Contributeur : Serge Mordon <>
Soumis le : jeudi 30 juillet 2015 - 09:27:28
Dernière modification le : vendredi 31 juillet 2015 - 09:37:30
Document(s) archivé(s) le : samedi 31 octobre 2015 - 10:21:45

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Marie-Charlotte Tetard, Maximilien Vermandel, Serge Mordon, Jean-Paul Lejeune, Nicolas Reyns. Experimental use of photodynamic therapy in high grade gliomas: a review focused on 5-aminolevulinic acid.. Photodiagnosis and Photodynamic Therapy, Elsevier, 2014, pp.319-30. 〈hal-01181357〉

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