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Updated: Aug 2, 2025
MRI-guided dmPFC-rTMS as a Treatment for Treatment-resistant Major Depressive Disorder
Published on: August 11, 2015
An accelerated course of TMS using intermittent theta burst for veterans with major depressive disorder: A case
Zachary D Zuschlag1,2, Laura Bajor1,2, Kimberly Van Trees1
1Mental Health and Behavioral Sciences Service, James A. Haley Veterans' Hospital, Tampa, Florida, USA.
Background:
Transcranial magnetic stimulation (TMS) is a neuro-modulation technique for treatment-resistant major depressive disorder (MDD). Standard TMS protocols for MDD involve once-daily treatment for 6 to 9 weeks. We report a case series of an accelerated TMS protocol for outpatient MDD treatment.
Methods:
From July 2020 through January 2021, patients deemed appropriate candidates for TMS treatment were offered an accelerated TMS protocol consisting of intermittent theta burst stimulation (iTBS) applied to the left dorsolateral prefrontal cortex, localized by the Beam F3 method, and consisting of 5 treatments daily for 5 days. Assessment scales were obtained as part of standard clinical care.
Results:
A total of 19 veterans received the accelerated protocol and 17 completed treatment. Statistically significant mean reductions from baseline to end of treatment were observed across all assessment scales. Remission and response rates, as defined by changes in Montgomery-Åsberg Depression Rating Scale scores, were 47.1% and 64.7%, respectively. Treatments were well tolerated without unexpected or serious adverse events.
Conclusions:
This case series details the safety and efficacy of an accelerated iTBS TMS protocol consisting of 25 treatments over 5 days. Improved depressive symptoms were observed, with remission and response rates similar to standard TMS protocols of daily TMS for ≥6 weeks.
