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5-ALA based photodynamic management of glioblastoma

SPIE Proceedings, 2014
Objective: Improvement of the clinical outcome of glioblastoma (GBM) patients by employment of fluorescence and photosensitization on the basis of 5-aminolevulinic acid (5-ALA) induced protoporphyrin IX (PpIX). Methods: In this report the focus is laid on the use of tumor selective PpIX fluorescence for stereotactic biopsy sampling and intra ...
Adrian Rühm   +8 more
openaire   +1 more source

Does 5-ALA have a radiosensitizing effect?

2014
Objective: Emitting red light and the generation of reactive oxygen species are two physical reactions of protoporphyrin IX (PPIX) upon irradiation with different wavelength of light. These two mechanisms are widely used either as an intraoperative tumor marker or to directly “attack” [for full text, please go to the a.m. URL]
Nemes, A   +4 more
openaire   +1 more source

The immunogenic effect of 5-ALA-Photodynamic Therapy

2010
Objective: 5-Aminolevulinic acid-mediated photodynamic therapy (ALA/PDT) can improve clinical outcome in patients suffering from glioblastoma multiforme (GBM). Due to the limited penetration of the laser light into brain tissue, however, additional mechanisms besides direct phototoxicity have to[for full text, please go to the a.m. URL]
Etminan, N   +4 more
openaire   +2 more sources

Laserspectroscopy in 5-ALA treated gliomas: spectroscopical evaluation of 5-ALA fluorescence uptake and kinetics in human glioma cells

2012
Objective: 5-aminolaevulinic acid (5-ALA) has improved surgical therapy of malignant gliomas. However, there is a lack of knowledge concerning 5-ALA uptake and fluorescence kinetic in different histologies. Aim of this study was to detect differences in malignant gliomas concerning uptake kinetic and[for full text, please go to the a.m. URL]
Schroeteler, J   +5 more
openaire   +2 more sources

5-ALA-induced fluorescence in cerebral metastases

2016
67. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie (DGNC), 1. Joint Meeting mit der Koreanischen Gesellschaft für Neurochirurgie (KNS)
Kamp, MA, Rapp, M, Steiger, HJ, Sabel, M
openaire   +1 more source

5-ALA-PDT induces RIP3-dependent necrosis in glioblastoma

Photochemical & Photobiological Sciences, 2011
Glioblastoma constitute the most frequent and deadliest brain tumors of astrocytic origin. They are resistant to all current therapies and are associated with a high rate of recurrence. Glioblastoma were previously shown to respond to treatments by 5-aminolevulinic acid (5-ALA)-based photodynamic therapy (PDT) mainly by activating a necrotic type of ...
Coupienne, Isabelle   +4 more
openaire   +2 more sources

Intraoperative 5-ALA induzierte Fluoreszenzoptische Nebenschilddrüsendetektion

2002
Zielsetzung: 5-Aminolavulinsaure (5-ALA) kann in verschiedenen Geweben eine intrazellulare ProtoporphyrinIX (PpIX) Akkumulation induzieren. PpIX ist mit Licht einer bestimmten Wellenlange (blau) zur Fluoreszenz (rot) anregbar. Experimentell reichert die Nebenschilddruse (NSD) PpIX nach systemischer 5-ALA Applikation an.
J. Gahlen   +3 more
openaire   +1 more source

Intravesical administration of 5-aminolevulinic acid (5-ALA). Safety and pharmacokinetics of 5-ALA and its metabolite protoporphyrin IX.

European journal of clinical pharmacology, 2000
In an open study, the local and systemic side effects and pharmacokinetics of 5-aminolevulinic acid (5-ALA) and the fluorescent metabolite protoporphyrin IX (PPIX) were investigated after intravesical administration for the fluorescent photodetection of superficial bladder carcinoma.In 20 patients with confirmed bladder carcinoma, 5-ALA was introduced ...
G, Popken   +4 more
openaire   +1 more source

5-ALA derivative-mediated photoinactivation of Propionibacterium acnes

Journal of Dermatological Science, 2009
Nicolas, Fotinos   +6 more
openaire   +2 more sources

Neuronavigatie en 5-ALA-fluorescentie

Tijdschrift voor Geneeskunde, 2014
HALLAERT G, CAEMAERT J
openaire   +1 more source

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