Accelerated Intermittent Theta-Burst Stimulation (aiTBS) Quickly Improved Treatment-Resistant Depression

June 21, 2021 · Posted in Potential Treatments 
Transcranial magnetic stimulation (TMS).

At the 2021 meeting of the Society of Biological Psychiatry (SOBP), researcher Nolan Williams and colleagues described a sham-controlled trial of accelerated intermittent theta-burst stimulation (aiTBS) in patients with treatment-resistant depression. Theta burst stimulation is a specific protocol for rTMS, or repeated transcranial magnetic stimulation, a non-invasive form of brain stimulation. Magnets placed on a patient’s head provide bursts of high-frequency stimulation to the brain.

Participants in the study received 50 sessions over 5 days of either aiTBS or a sham procedure. Among those who received the real aiTBS treatment, 85.7% saw an improvement in their treatment-resistant depression, compared to only 26.7% of those in the sham group. AiTBS produced a rapid antidepressant response, which Williams and colleagues suggest could be useful for the treatment of patients in emergency rooms or inpatient settings.

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