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Clinical Trial Summary

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.


Clinical Trial Description

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. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05474573
Study type Interventional
Source Sklifosovsky Institute of Emergency Care
Contact Alexander Dmitriev, MD
Phone +7 (916) 423-54-08
Email dmitriev@neurosklif.ru
Status Recruiting
Phase N/A
Start date September 1, 2022
Completion date August 31, 2027

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