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Established and emerging uses of 5-ALA in the brain: an overview

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Abstract

Introduction

5-aminolevulinic acid (5-ALA) was approved by the FDA in June 2017 as an intra-operative optical imaging agent for patients with gliomas (suspected World Health Organization Grades III or IV on preoperative imaging) as an adjunct for the visualization of malignant tissue during surgery. 5-ALA fluorescence-guided surgery (FGS) has been in widespread use in Europe and other continents since 2007.

Methods

We reviewed the data available and summarize the most important known uses of 5-ALA FGS and its potential future applications.

Results/conclusions

The technique has been extensively studied, and more than 300 papers have been published on this topic. Visualization of high-grade glioma tissue is robust and reproducible, and can impact the extent of tumor resection and patient outcomes. 5-ALA FGS for other kind of tumors needs further development.

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Correspondence to Ricardo DĂ­ez Valle.

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Walter Stummer has received speaker and consultant fees by Carl Zeiss, Leica, Medac, NXDC. Constantinos Hadjipanayis is a consultant for NXDC and Synaptive Medical Inc. He will receive potential royalties from NXDC. He has also received speaker fees by Carl Zeiss and Leica. Ricardo DĂ­ez Valle has received speaker fees by Medac.

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Díez Valle, R., Hadjipanayis, C.G. & Stummer, W. Established and emerging uses of 5-ALA in the brain: an overview. J Neurooncol 141, 487–494 (2019). https://doi.org/10.1007/s11060-018-03087-7

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