Cited by 420Treatment of Major DepressionAnxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesNeurotransmitter Receptor Influence on Behavior

Differences in Brain Glucose Metabolism Between Responders to CBT and Venlafaxine in a 16-Week Randomized Controlled Trial

Kennedy, Sidney H., Konarski, Jakub Z., Segal, Zindel V., Lau, Mark A., Bieling, Peter J., McIntyre, Roger S., Mayberg, Helen S.·2007·American Journal of Psychiatry

Abstract

Objective: Neuroimaging investigations reveal changes in glucose metabolism (fluorine-18-fluorodeoxyglucose positron emission tomography [PET]) associated with response to disparate antidepressant treatment modalities, including cognitive behavior therapy (CBT), antidepressant pharmacotherapies, and deep brain stimulation. Using a nonrandomized design, the authors previously compared changes following CBT or paroxetine in depressed patients. In this study, the authors report changes in fluorine-18-fluorodeoxyglucose PET in responders to CBT or venlafaxine during a randomized controlled trial. Methods Subjects meeting DSM-IV-TR criteria for a major depressive episode and a diagnosis of a major depressive disorder received a fluorine-18-fluorodeoxyglucose PET scan before randomization and after 16 weeks of antidepressant treatment with either CBT (N=12) or venlafaxine (N=12). Modality-specific and modality-independent regional brain metabolic changes associated with response status were analyzed. Results: Response rates were comparable between the CBT (7/12) and venlafaxine (9/12) groups. Response to either treatment modality was associated with decreased glucose metabolism bilaterally in the orbitofrontal cortex and left medial prefrontal cortex, along with increased metabolism in the right occipital-temporal cortex. Changes in metabolism in the anterior and posterior parts of the subgenual cingulate cortex and the caudate differentiated CBT and venlafaxine responders. Conclusions: Responders to either treatment modality demonstrated reduced metabolism in several prefrontal regions. Consistent with earlier reports, response to CBT was associated with a reciprocal modulation of cortical-limbic connectivity, while venlafaxine engaged additional cortical and striatal regions previously unreported in neuroimaging investigations.

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Crossref · 10.1176/ajp.2007.164.5.778

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Authors
Kennedy, S. H., Konarski, J. Z., Segal, Z. V., Lau, M. A., Bieling, P. J., McIntyre, R. S., & Mayberg, H. S.
Affiliations
University Health Network (CA)
Venue
American Journal of Psychiatry
Published
2007-05
Volume
164
Issue
5
Pages
778-788
ISSN
  • 0002-953X (ISSN-L)
  • 1535-7228
OpenAlex
W2150215146
Cited by
420
References
67
Citations by year
2026: 11 · 2025: 6 · 2024: 5 · 2023: 11 · 2022: 10 · 2021: 34 · 2020: 21 · 2019: 13 · 2018: 19 · 2017: 25 · 2016: 16 · 2015: 27 · 2014: 36 · 2013: 43 · 2012: 25
FWCI
20.16
Type
journal article
Language
en
Open access
closed
Locations
  • American Journal of Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
brain glucose metabolism, cognitive behavioral therapy, venlafaxine, major depressive disorder, treatment response, orbitofrontal cortex, medial prefrontal cortex, subgenual anterior cingulate cortex, caudate nucleus, antidepressant treatment
MeSH terms
Venlafaxine Hydrochloride, Adult, Brain, Cerebral Cortex, Combined Modality Therapy, Cyclohexanols, Major Depressive Disorder, Female, Glucose, Humans, Functional Laterality, Limbic System, Male, Middle Aged, Cognitive Behavioral Therapy, Treatment Outcome, Selective Serotonin Reuptake Inhibitors, Fluorodeoxyglucose F18, Positron-Emission Tomography

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