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Clinical Trial Summary

The purpose of this study is to establish how personalization of repetitive transcranial magnetic stimulation (rTMS) can change markers of brain activity and improve treatment response. To do this, all participants will receive the same active form of treatments, but some of the participants in this study will receive intermittent theta burst stimulation (iTBS) rTMS treatment with standard forms of targeting and intensity, and others will receive iTBS rTMS treatment using personalized magnetic resonance imaging (MRI) and electric field (E-field) modeling measures.


Clinical Trial Description

The purpose of this study is to establish how personalization of rTMS can change markers of brain activity and improve treatment response in major depressive disorder (MDD). All participants will receive up to 30 iTBS treatments to the left dorsolateral prefrontal cortex (DLPFC), delivered daily, 5 days per week, for 6 weeks. Participants will be randomized to either a standard treatment arm, in which the iTBS targeting will be via the Beam F3 method to identify the left DLPFC location, and intensity will be determined as 120% of the resting motor threshold, or a personalized arm, in which the left DLPFC will be identified via functional magnetic resonance imaging (fMRI), the optimal coil position and stimulus intensity will be derived through E-Field modeling pipelines. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05583747
Study type Interventional
Source Centre for Addiction and Mental Health
Contact Daphne Voineskos, MD
Phone 416-535-8501
Email daphne.voineskos@camh.ca
Status Recruiting
Phase N/A
Start date October 24, 2022
Completion date July 31, 2027

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