Cited by 92Electroconvulsive Therapy StudiesTranscranial Magnetic Stimulation StudiesTreatment of Major Depression

Magnetic seizure therapy (MST) for major depressive disorder

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Daskalakis, Zafiris J., Dimitrova, Julia, McClintock, Shawn M., Sun, Yinming, Voineskos, Daphne, Rajji, Tarek K., Goldbloom, David S., Wong, Albert H. C. +5 more·2020·Neuropsychopharmacology

Abstract

Electroconvulsive therapy (ECT) is effective for major depressive disorder (MDD) but its effects on memory limit its widespread use. Magnetic seizure therapy (MST) is a potential alternative to ECT that may not adversely affect memory. In the current trial, consecutive patients with MDD consented to receive MST applied over the prefrontal cortex according to an open-label protocol. Depressive symptoms and cognition were assessed prior to, during and at the end of treatment. Patients were treated two to three times per week with high-frequency MST (i.e., 100 Hz) (N = 24), medium frequency MST (i.e., 60 or 50 Hz) (N = 26), or low-frequency MST (i.e., 25 Hz MST) (N = 36) using 100% stimulator output. One hundred and forty patients were screened; 86 patients with MDD received a minimum of eight treatments and were deemed to have an adequate course of MST; and 47 completed the trial per protocol, either achieving remission (i.e., 24-item Hamilton Rating Scale for Depression score <10 and a relative reduction of >60% at two consecutive assessments; n = 17) or received a maximum of 24 sessions (n = 30). High-frequency (100 Hz) MST produced the highest remission rate (33.3%). Performance on most cognitive measures remained stable, with the exception of significantly worsened recall consistency of autobiographical information and significantly improved brief visuospatial memory task performance. Under open conditions, MST led to clinically meaningful reduction in depressive symptoms in patients with MDD and produced minimal cognitive impairment. Future studies should compare MST and ECT under double-blind randomized condition.

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Authors
Daskalakis, Z. J., Dimitrova, J., McClintock, S. M., Sun, Y., Voineskos, D., Rajji, T. K., Goldbloom, D. S., Wong, A. H. C., Knyahnytska, Y., Mulsant, B. H., Downar, J., Fitzgerald, P. B., & Blumberger, D. M.
Affiliations
  • Centre for Addiction and Mental Health (CA)
  • Duke University (US)
  • University Health Network (CA)
  • Epworth Hospital (AU)
Corresponding author
Daskalakis, Zafiris J.
Venue
Neuropsychopharmacology
Published
2019-09-05
Volume
45
Issue
2
Pages
276-282
ISSN
  • 0893-133X (ISSN-L)
  • 1740-634X
OpenAlex
W2972013619
Cited by
92
References
30
Citations by year
2026: 11 · 2025: 12 · 2024: 14 · 2023: 12 · 2022: 7 · 2021: 15 · 2020: 19 · 2019: 2
FWCI
8.56
Type
journal article
Language
en
Open access
Locations
  • Neuropsychopharmacology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Bristol-Myers Squibb
  • Eli Lilly and Company
  • Pfizer
  • Klarman Family Foundation
  • BrightFocus Foundation
  • Ontario Brain Institute
  • Fondation Brain Canada
  • Campbell Institute
  • Centre for Addiction and Mental Health
  • Indivior
  • Weston Brain Institute
  • LivaNova
  • Centre for Addiction and Mental Health Foundation
  • BrainsWay
  • MagVenture
  • Ontario Ministry of Health and Long-Term Care
  • H. Lundbeck A/S
  • National Institutes of Health
  • Canadian Institutes of Health Research
  • Medical Research Council
  • National Health and Medical Research Council (1078567)
  • Ontario Ministry of Research and Innovation
  • National Institute of Mental Health
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Electroconvulsive Therapy Studies
  • Life Sciences › Neuroscience › Neurology › Transcranial Magnetic Stimulation Studies
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
Keywords
magnetic seizure therapy, major depressive disorder, prefrontal cortex stimulation, high-frequency stimulation, cognitive impairment, memory, autobiographical memory recall, visuospatial memory, depression remission
MeSH terms
Mental Status and Dementia Tests, Adult, Depressive Disorder, Major, Major Depressive Disorder, Female, Follow-Up Studies, Humans, Male, Middle Aged, Seizures, Magnetic Field Therapy

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