Journal: Neuropsychobiology 79(3):208-213 (2020)
Authors: Matsuda Y, Kito S, Igarashi Y, Shigeta M
Background:
Major depression is a highly prevalent disorder that causes economic burden in office workers.
Objective:
To evaluate the efficacy and safety of deep transcranial magnetic stimulation (dTMS) in office workers with treatment-resistant depression.
Methods:
This study was a randomized, double-blind, sham-controlled trial and recruited office workers taking administrative leave for treatment-resistant major depressive disorder or bipolar disorder with current major depressive episode. dTMS treatment was applied at 120% resting motor threshold with 18 Hz over the left dorsolateral prefrontal cortex. The treatment sessions delivered a total of 1,980 pulses a day, 5 days a week, for 4-6 weeks. The primary outcome was change in the total score on the 21-item Hamilton Depression Rating Scale (HDRS-21) from baseline to the end of study in an intent-to-treat analysis. The secondary outcomes were the response and remission rates. We also assessed changes in cognitive function and adverse events.
Results:
Forty patients were randomized to active or sham dTMS groups (1:1). The change in the total score on the HDRS-21 was more significantly improved in the active group than in the sham group at 6 weeks (p = 0.045). There were no significant differences in the response and remission rates or cognitive measures between the active and sham groups. No serious adverse events were observed in either group.
Conclusions:
These results suggest that dTMS might be effective and safe in office workers with treatment-resistant depression. Further well-designed studies are needed.
