Clin Psychopharmacol Neurosci.  2021 Feb;19(1):73-83. 10.9758/cpn.2021.19.1.73.

Rapid Symptom Improvement in Major Depressive Disorder Using Accelerated Repetitive Transcranial Magnetic Stimulation

Affiliations
  • 1Department of Psychiatry, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
  • 2Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, Korea
  • 3Department of Psychiatry, Ajou University School of Medicine, Suwon, Korea
  • 4Department of Mental Health Services, National Center for Mental Health, Seoul, Korea

Abstract


Objective
Repetitive transcranial magnetic stimulation (rTMS) has contributed to increase in the remission rate for patients with major depressive disorder (MDD). However, current rTMS treatment is practically inconvenient because it requires daily treatment sessions for several weeks. Accelerated rTMS treatment is as efficient and safe for MDD patients as conventional rTMS.
Methods
Fifty-one patients with MDD participated in this study; they were randomized into accelerated rTMS (n = 21), conventional rTMS (n = 22), and sham-treatment (n = 8) groups. The accelerated and conventional rTMS groups received 15 sessions for 3 days and 3 weeks, respectively. The sham-treatment group received 15 sham rTMS sessions for 3 days. Primary outcome was assessed using self-report and clinician-rated Korean Quick Inventory of Depressive Symptomatology (KQIDS-SR and KQIDS-C, respectively). Adverse effects were monitored using the Frequency, Intensity, and Burden of Side Effects Rating scale. Changes in depressive symptoms were compared among the three groups using mixed model analyses.
Results
For the KQIDS-SR score, there was a significant main effect of “time” (F3,47 = 11.05, p < 0.001), but no effect of “group” (F2,47 = 2.04, p = 0.142), and a trend-level interaction effect of “group × time” (F6,47 = 2.26, p = 0.053). Improvement in depressive symptoms, based on the KQIDS-SR score 3 weeks after treatment, was more prominent in the accelerated rTMS group than in the sham-treatment group (p = 0.011). Tolerability was comparable among the three groups.
Conclusion
The accelerated rTMS treatment group showed rapid improvement of depressive symptoms compared with the sham-treatment and conventional rTMS treatment groups. Therefore, accelerated rTMS treatment could be a viable option for MDD, with improved accessibility.

Keyword

Transcranial magnetic stimulation; repetitive; Major depressive disorder; Effectiveness; treatment; Safety; Accessibility; health services
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