Last updated on May 2017

ExAblate Transcranial MRgFUS for the Management of Treatment-Refractory Movement Disorders


Brief description of study

The proposed study is to evaluate the effectiveness of ExAblate Transcranial MRgFUS as a tool for creating a unilateral lesion in the Vim thalamus or the globus pallidus (GPi) in patients with treatment-refractory symptoms of movement disorders.

Detailed Study Description

The purpose of this study is to evaluate the safety and initial effectiveness of MRI-guided focused ultrasound thermal ablation of a designated area in the brain of patients suffering from movement disorder symptoms: - FUS under MRI-guidance and MRI-based thermometry can be safely delivered to patients suffering from treatment-refractory movement disorders through an intact human skull with a low risk of transient adverse effects as evaluated during follow-up of up to 12-months. - A pre-defined target volume inside the brain can be accurately ablated, as demonstrated on post-treatment MRI. - Lesions generated with ExAblate Neuro will result in clinical effects that are similar to those seen with ablative procedures using other surgical techniques (e.g. RF procedure).

Clinical Study Identifier: NCT02252380

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Michael Schwartz, M.D.

Sunnybrook Health Sciences Centre
Toronto, ON Canada
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Andres Lozano, MD

Toronto Western Hospital
Toronto, ON Canada
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