Abstract
Repetitive transcranial magnetic stimulation (rTMS) is increasingly used clinically in the treatment of patients with major depressive disorder (MDD). However, rTMS treatment response can be slow. Early research suggests that accelerated forms of rTMS may be effective but no research has directly evaluated a schedule of accelerated rTMS compared to standard rTMS. To assess the efficacy of accelerated rTMS compared to standard daily rTMS., 115 outpatients with MDD received either accelerated rTMS (n = 58) (i.e., 63,000 high frequency rTMS pulses delivered as 3 treatments per day over 3 days in week 1, 3 treatments over 2 days in week 2 and 3 treatments on a single day in week 3) or standard rTMS (n = 57) (i.e., 63,000 total high frequency rTMS pulses delivered over 5 days per week for 4 weeks) following randomization. There were no significant differences in remission or response rates (p > 0.05 for all analyses) or reduction in depression scores (Time by group interaction (F (5, 489.452) = 1.711, p = 0.130) between the accelerated and standard rTMS treatment groups. Accelerated treatment was associated with a higher rate of reported treatment discomfort. It is feasible to provide accelerated rTMS treatment for outpatients with depression and this is likely to produce meaningful antidepressant effects.
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Acknowledgements
PBF is supported by a Practitioner Fellowship grant from National Health and Medical Research Council (NHMRC) (1078567). KEH is supported by an NHMRC Career Development Fellowship (1082894). ZJD was supported by the Ontario Mental Health Foundation (OMHF), the Canadian Institutes of Health Research (CIHR), the Brain and Behavior Research Foundation and the Temerty Family and Grant Family and through the Center for Addiction and Mental Health (CAMH) Foundation and the Campbell Institute. Funding for this study was provided by an NHMRC project grant (1041890).
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In the last 3 years PBF has received equipment for research from Magventure A/S, Medtronic Ltd, Neurosoft and Brainsway Ltd. He has served on a scientific advisory board for Bionomics Ltd and LivaNova. In the last 3 years, ZJD has received research and equipment in-kind support for an investigator-initiated study through Brainsway Inc and Magventure Inc. The remaining authors declare that they have no conflict of interest.
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Fitzgerald, P.B., Hoy, K.E., Elliot, D. et al. Accelerated repetitive transcranial magnetic stimulation in the treatment of depression. Neuropsychopharmacol 43, 1565–1572 (2018). https://doi.org/10.1038/s41386-018-0009-9
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DOI: https://doi.org/10.1038/s41386-018-0009-9
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