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Clinical Trial Summary

This pilot clinical trial studies how well electrocorticography works in mapping functional brain areas during surgery in patients with brain tumors. Using a larger than the standard mapping grid currently used during brain tumor surgery or a high-definition grid for electrocorticogram brain mapping may help doctors to better identify which areas of the brain are active during specific limb movement and speech during surgery in patients with brain tumors.


Clinical Trial Description

PRIMARY OBJECTIVE: I. To record electrocorticogram (ECoG) data intraoperatively with surface electrode grids during various motor, sensory (tactile) and speech tasks, and identify functional brain areas through the spectral analysis, and compare the preliminary data with our current pre-surgical mapping methods: functional magnetic resonance imaging (fMRI) and transcranial magnetic stimulation (TMS), and the gold standard, intraoperative direct electrical stimulation (DES). SECONDARY OBJECTIVE: I. To perform a preliminary assessment of the utility of using ECoG data in these patients to quantify new neurological deficits in the short term (24 hours) and long-term (1 and 3 months), and achieve a safe maximal tumor resection. OUTLINE: Patients undergo tumor resection. During surgery, patients also undergo electrocorticography with either the CorTec high resolution hybrid grid, the PMT high-resolution grid, or the Ad-Tech grid followed by direct electrocortical stimulation. Following completion of study, patients are followed up within 24 hours from surgery and at 1 and 3 months. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02754544
Study type Interventional
Source M.D. Anderson Cancer Center
Contact Sujit Prabhu, MD
Phone 713-792-2400
Email sprabhu@mdanderson.org
Status Recruiting
Phase N/A
Start date July 22, 2016
Completion date January 1, 2028

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