Glioma, Malignant Clinical Trial
Official title:
Concurrent Fluorescence and Sonographically Guided Eradication of Gliomas and Metastases Enhancing Contrast Agent in Magnetic Resonance Imaging: a Randomised, Controlled Trial
Objective of the study is to determine whether combined use of intraoperative fluorescence with 5-aminolevulinic acid (5-ALA) and sonography can achieve higher rate of gross total resection of contrast-enhancing gliomas and brain metastases compared to intraoperative fluorescence with 5-ALA alone.
Fluorescence-guided resection of contrast-enhancing gliomas and metastases increases extent of tumor resection. But the main drawback of this method is an inability to observe tumor fluorescence while it is covered with normal brain. Ultrasound can resolve this problem, allowing to reveal such tumor remnants. By the time there are published results of randomized control trials comparing these two technics. Objective of the study is to determine whether combined use of intraoperative fluorescence with 5-aminolevulinic acid (5-ALA) and sonography can achieve higher rate of gross total resection of contrast-enhancing gliomas and brain metastases compared to intraoperative fluorescence with 5-ALA alone. Participants of the study will be randomly operated using both fluorescence with 5-ALA and intraoperative ultrasound versus fluorescence with 5-ALA alone. Extent of resection will be assessed in postoperative MRI by blinded radiologists. ;
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