Spots Global Cancer Trial Database for Intraoperative Sonographically Guided Resection of Non-enhancing Gliomas

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Trial Identification

Brief Title: Intraoperative Sonographically Guided Resection of Non-enhancing Gliomas

Official Title: Intraoperative Sonographically Guided Resection of Gliomas Not Enhancing Contrast Agent in Magnetic Resonance Imaging: a Randomised, Controlled Trial

Study ID: NCT05470374

Conditions

Non-enhancing Cerebral Gliomas

Interventions

Intraoperative sonography

Study Description

Brief Summary: The purpose of the study is to determine whether intraoperative ultrasound guided resection of glioma without contrast enhancement in magnetic resonance imaging can achieve higher extent of resection than surgery without intraoperative sonography

Detailed Description: Gliomas, not enhancing contrast agent in magnetic resonance imaging (MRI), are usually low-grade gliomas. They rarely show intraoperative fluorescence using 5-aminolevulinic acid or fluorescein. Intraoperative high-field MRI, sonography and navigation are the only ways to assess extent of their resection during surgery. MRI is the gold standard, but interrupts surgical workflow and only few hospitals are equipped with device like that. Navigation eventually looses it's precision due to brainshift. Ultrasound allows assess tumor remnants in real time but has worse imaging quality. Currently no randomized trials published their results about efficiency of intraoperative sonography in removing low-grade gliomas. Objective of the study is to determine whether intraoperative ultrasound guided resection of non-enhancing gliomas can achieve higher extent of resection than surgery without intraoperative sonography. Participants of the study will be randomly operated with and without intraoperative ultrasound. Extent of resection will be assessed in postoperative MRI by blinded radiologists.