Medtronic cleared for MRI-guided laser ablation study

Device manufacturer Medtronic said the U.S. Food and Drug Administration (FDA) has approved an investigational device exemption (IDE) application for a study of the firm's MRI-guided laser ablation technology in a potential new indication.

The Stereotactic Laser Ablation for Temporal Lobe Epilepsy (SLATE) study will evaluate the use of Medtronic's Visualase MRI-guided laser ablation technology for epilepsy treatment in patients with drug-resistant mesial temporal lobe epilepsy (MTLE). Medtronic hopes the study will lead to an expanded indication for Visualase to treat MTLE, the most common form of partial or localization-related epilepsy.

The study will include about 120 adults with drug-resistant MTLE who will be treated at centers across the U.S. Patients will be followed for a year after the Visualase procedure to assess for freedom from seizures, adverse events, quality of life, and neuropsychological outcomes, the company said.

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