Cited by 19Transcranial Magnetic Stimulation StudiesTreatment of Major DepressionNeural and Behavioral Psychology Studies

A pilot randomized sham controlled trial of bilateral iTBS for depression and executive function in older adults

Cristancho, Pilar, Arora, Jyoti, Nishino, Tomoyuki, Berger, Jacinda, Carter, Alexandre, Blumberger, Daniel, Miller, Philip, Snyder, Abraham +2 more·2023·International Journal of Geriatric Psychiatry

Abstract

Introduction: Executive function deficits (EFD) in late life depression (LLD) are associated with poor outcomes. Dysfunction of the cognitive control network (CCN) has been posited in the pathophysiology of LLD with EFD. Methods: Seventeen older adults with depression and EFD were randomized to iTBS or sham for 6 weeks. Intervention was delivered bilaterally using a recognized connectivity target. Results: A total of 89% (17/19) participants completed all study procedures. No serious adverse events occurred. Pre to post‐intervention change in mean Montgomery‐Asberg‐depression scores was not different between iTBS or sham, p = 0.33. No significant group‐by‐time interaction for Montgomery‐Asberg Depression rating scale scores (F 3, 44 = 0.51; p = 0.67) was found. No significant differences were seen in the effects of time between the two groups on executive measures: Flanker scores (F 1, 14 = 0.02, p = 0.88), Dimensional‐change‐card‐sort scores F 1, 14 = 0.25, p = 0.63, and working memory scores (F 1, 14 = 0.98, p = 0.34). The Group‐by‐time interaction effect for functional connectivity (FC) within the Fronto‐parietal‐network was not significant (F 1, 14 = 0.36, p = 0.56). No significant difference in the effect‐of‐time between the two groups was found on FC within the Cingulo‐opercular‐network (F 1, 14 = 0, p = 0.98). Conclusion: Bilateral iTBS is feasible in LLD. Preliminary results are unsupportive of efficacy on depression, executive function or target engagement of the CCN. A future Randomized clinical trial requires a larger sample size with stratification of cognitive and executive variables and refinement in the target engagement.

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Crossref · 10.1002/gps.5851

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  1. Grace J, 2001, Frontal Systems Behavior Scale (FrSBe): Professional Manual, Psychological Assessment Resources

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Authors
Cristancho, P., Arora, J., Nishino, T., Berger, J., Carter, A., Blumberger, D., Miller, P., Snyder, A., Barch, D., & Lenze, E. J.
Affiliations
  • Washington University in St. Louis (US)
  • Centre for Addiction and Mental Health (CA)
  • Division of Biostatistics School of Medicine Washington University in St. Louis St. Louis Missouri USA
Corresponding author
Cristancho, Pilar
Venue
International Journal of Geriatric Psychiatry
Publisher
Wiley
Published
2022-12-09
Volume
38
Issue
1
Pages
e5851-e5851
ISSN
  • 0885-6230 (ISSN-L)
  • 1099-1166
OpenAlex
W4311672114
Cited by
19
References
59
Citations by year
2026: 3 · 2025: 5 · 2024: 11
FWCI
1.13
Type
journal article
Language
en
Open access
closed
Locations
  • International Journal of Geriatric Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Foundation for Barnes-Jewish Hospital
  • National Center for Advancing Translational Sciences (KL2Tr002346)
Topics
  • Life Sciences › Neuroscience › Neurology › Transcranial Magnetic Stimulation Studies
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
geriatric depression, executive dysfunction, cognitive control network, older adults, functional connectivity, frontoparietal network, cingulo-opercular network, working memory, sham-controlled intervention, non-invasive brain stimulation
MeSH terms
Aged, Humans, Transcranial Magnetic Stimulation, Executive Function

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