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Caravaggio F, Barnett AJ, Nakajima S, Iwata Y, Kim J, Borlido C, Mar W, Gerretsen P, Remington G, Graff-Guerrero A. The effects of acute dopamine depletion on resting-state functional connectivity in healthy humans. Eur Neuropsychopharmacol 2022; 57:39-49. [PMID: 35091322 DOI: 10.1016/j.euroneuro.2022.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 01/05/2022] [Accepted: 01/10/2022] [Indexed: 11/24/2022]
Abstract
Alpha-methyl-para-tyrosine (AMPT), a competitive inhibitor of tyrosine hydroxylase, can be used to deplete endogenous dopamine in humans. We examined how AMPT-induced dopamine depletion alters resting-state functional connectivity of the basal ganglia, and canonical resting-state networks, in healthy humans. Fourteen healthy participants (8 females; age [mean ± SD] = 27.93 ± 9.86) completed the study. Following dopamine depletion, the caudate showed reduced connectivity with the medial prefrontal cortex (mPFC) (Cohen's d = 1.89, p<.0001). Moreover, the caudate, putamen, globus pallidus, and midbrain all showed reduced connectivity with the occipital cortex (Cohen's d = 1.48-1.90; p<.0001-0.001). Notably, the dorsal caudate showed increased connectivity with the sensorimotor network (Cohen's d = 2.03, p=.002). AMPT significantly decreased self-reported motivation (t(13)=4.19, p=.001) and increased fatigue (t(13)=4.79, p=.0004). A greater increase in fatigue was associated with a greater reduction in connectivity between the substantia nigra and the mPFC (Cohen's d = 3.02, p<.00001), while decreased motivation was correlated with decreased connectivity between the VTA and left sensorimotor cortex (Cohen's d = 2.03, p=.00004). These findings help us to better understand the role of dopamine in basal ganglia function and may help us better understand neuropsychiatric diseases where abnormal dopamine levels are observed.
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Affiliation(s)
- Fernando Caravaggio
- Brain Health Imaging Centre, Centre for Addiction and Mental Health, 250 College Street, Toronto, ON M5T 1R8, Canada; Department of Psychiatry, University of Toronto, 250 College Street, Toronto, ON M5T 1R8, Canada.
| | - Alexander J Barnett
- Center for Neuroscience, University of California, Davis, 1515 Newton Ct, Davis, California 95618, United States of America
| | - Shinichiro Nakajima
- Department of Neuropsychiatry, Keio University, 2 Chome-15-45 Mita, Tokyo 108-8345, Japan
| | - Yusuke Iwata
- Department of Neuropsychiatry, University of Yamanashi, 4 Chome-4-37 Takeda, Kofu 400-8510, Japan
| | - Julia Kim
- Brain Health Imaging Centre, Centre for Addiction and Mental Health, 250 College Street, Toronto, ON M5T 1R8, Canada
| | - Carol Borlido
- Brain Health Imaging Centre, Centre for Addiction and Mental Health, 250 College Street, Toronto, ON M5T 1R8, Canada
| | - Wanna Mar
- Brain Health Imaging Centre, Centre for Addiction and Mental Health, 250 College Street, Toronto, ON M5T 1R8, Canada
| | - Philip Gerretsen
- Brain Health Imaging Centre, Centre for Addiction and Mental Health, 250 College Street, Toronto, ON M5T 1R8, Canada; Department of Psychiatry, University of Toronto, 250 College Street, Toronto, ON M5T 1R8, Canada
| | - Gary Remington
- Brain Health Imaging Centre, Centre for Addiction and Mental Health, 250 College Street, Toronto, ON M5T 1R8, Canada; Department of Psychiatry, University of Toronto, 250 College Street, Toronto, ON M5T 1R8, Canada
| | - Ariel Graff-Guerrero
- Brain Health Imaging Centre, Centre for Addiction and Mental Health, 250 College Street, Toronto, ON M5T 1R8, Canada; Department of Psychiatry, University of Toronto, 250 College Street, Toronto, ON M5T 1R8, Canada
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2
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Influences of dopaminergic system dysfunction on late-life depression. Mol Psychiatry 2022; 27:180-191. [PMID: 34404915 PMCID: PMC8850529 DOI: 10.1038/s41380-021-01265-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 07/28/2021] [Accepted: 08/04/2021] [Indexed: 12/15/2022]
Abstract
Deficits in cognition, reward processing, and motor function are clinical features relevant to both aging and depression. Individuals with late-life depression often show impairment across these domains, all of which are moderated by the functioning of dopaminergic circuits. As dopaminergic function declines with normal aging and increased inflammatory burden, the role of dopamine may be particularly salient for late-life depression. We review the literature examining the role of dopamine in the pathogenesis of depression, as well as how dopamine function changes with aging and is influenced by inflammation. Applying a Research Domain Criteria (RDoC) Initiative perspective, we then review work examining how dopaminergic signaling affects these domains, specifically focusing on Cognitive, Positive Valence, and Sensorimotor Systems. We propose a unified model incorporating the effects of aging and low-grade inflammation on dopaminergic functioning, with a resulting negative effect on cognition, reward processing, and motor function. Interplay between these systems may influence development of a depressive phenotype, with an initial deficit in one domain reinforcing decline in others. This model extends RDoC concepts into late-life depression while also providing opportunities for novel and personalized interventions.
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Azim L, Hindmarch P, Browne G, Chadwick T, Clare E, Courtney P, Dixon L, Duffelen N, Fouweather T, Geddes JR, Goudie N, Harvey S, Helter T, Holstein EM, Martin G, Mawson P, McCaffery J, Morriss R, Simon J, Smith D, Stokes PRA, Walker J, Weetman C, Wolstenhulme F, Young AH, Watson S, McAllister-Williams RH. Study protocol for a randomised placebo-controlled trial of pramipexole in addition to mood stabilisers for patients with treatment resistant bipolar depression (the PAX-BD study). BMC Psychiatry 2021; 21:334. [PMID: 34225686 PMCID: PMC8256234 DOI: 10.1186/s12888-021-03322-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 06/10/2021] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Treatment Resistant Bipolar Depression (TRBD) is a major contributor to the burden of disease associated with Bipolar Disorder (BD). Treatment options for people experiencing bipolar depression are limited to three interventions listed by National Institute for Health and Care: lamotrigine, quetiapine and olanzapine, of which the latter two are often not well tolerated. The majority of depressed people with BD are therefore prescribed antidepressants despite limited efficacy. This demonstrates an unmet need for additional interventions. Pramipexole has been shown to improve mood symptoms in animal models of depression, in people with Parkinson's Disease and two proof of principle trials of pramipexole for people with BD who are currently depressed. METHODS The PAX-BD study, funded by the United Kingdom (UK) National Institute for Health Research, aims to extend previous findings by assessing the efficacy, safety and health economic impact of pramipexole in addition to mood stabilisers for patients with TRBD. A randomised, double-blind, placebo controlled design is conducted in a naturalistic UK National Health Service setting. An internal pilot study to examine feasibility and acceptability of the study design is included. Participants with TRBD are screened from National Health Service secondary care services in up to 40 mental health trusts in the UK, with the aim of recruiting approximately 414 participants into a pre-randomisation phase to achieve a target of 290 randomised participants. Primary safety and efficacy measures are at 12 weeks following randomisation, with follow up of participants to 52 weeks. The primary outcome is depressive symptoms as measured by Quick Inventory for Depressive Symptomatology - Self Report. Secondary outcomes include changes in anxiety, manic symptoms, tolerability, acceptability, quality of life and cost-effectiveness. Outcome measures are collected remotely using self-report tools implemented online, and observer-rated assessments conducted via telephone. ANCOVA will be used to examine the difference in rating scale scores between treatment arms, and dependent on compliance in completion of weekly self-report measures. A mixed effects linear regression model may also be used to account for repeated measures. TRIAL REGISTRATION ISRCTN72151939. Registered on 28 August 2019, http://www.isrctn.com/ISRCTN72151939 Protocol Version: 04-FEB-2021, Version 9.0.
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Affiliation(s)
- Lumbini Azim
- Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle, UK
- Northern Centre for Mood Disorders, Newcastle University Translational and Clinical Research Institute, Newcastle, UK
| | - Paul Hindmarch
- Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle, UK
- Northern Centre for Mood Disorders, Newcastle University Translational and Clinical Research Institute, Newcastle, UK
| | - Georgiana Browne
- Newcastle Clinical Trials Unit, Newcastle University, Newcastle, UK
| | - Thomas Chadwick
- Biostatistics Research Group, Population Health Sciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle, UK
| | - Emily Clare
- Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle, UK
| | - Paul Courtney
- Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle, UK
| | - Lyndsey Dixon
- Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle, UK
| | - Nichola Duffelen
- Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle, UK
| | - Tony Fouweather
- Biostatistics Research Group, Population Health Sciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle, UK
| | - John R Geddes
- Department of Psychiatry, University of Oxford, Oxford, UK
- Oxford Health NHS Foundation Trust, Oxford, UK
- NIHR Oxford Health Biomedical Research Centre, Oxford, UK
| | - Nicola Goudie
- Newcastle Clinical Trials Unit, Newcastle University, Newcastle, UK
| | - Sandy Harvey
- Patient, Carer and Public Involvement, The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
- Clinical Research Network in North East and North Cumbria, Newcastle upon Tyne, UK
| | - Timea Helter
- Department of Health Economics, Center for Public Health, Medical University of Vienna, Vienna, Austria
| | | | - Garry Martin
- Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle, UK
| | - Phil Mawson
- Newcastle Clinical Trials Unit, Newcastle University, Newcastle, UK
| | - Jenny McCaffery
- Newcastle Clinical Trials Unit, Newcastle University, Newcastle, UK
| | - Richard Morriss
- Division of Psychiatry and Applied Psychology, University of Nottingham, Nottingham, UK
| | - Judit Simon
- Department of Psychiatry, University of Oxford, Oxford, UK
- Patient, Carer and Public Involvement, The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Daniel Smith
- Institute of Health and Wellbeing, University of Glasgow, Glasgow, UK
| | - Paul R A Stokes
- Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London & South London and Maudsley NHS Foundation Trust, Bethlem Royal Hospital, London, UK
| | - Jenn Walker
- Newcastle Clinical Trials Unit, Newcastle University, Newcastle, UK
| | - Chris Weetman
- Newcastle Clinical Trials Unit, Newcastle University, Newcastle, UK
| | | | - Allan H Young
- Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London & South London and Maudsley NHS Foundation Trust, Bethlem Royal Hospital, London, UK
| | - Stuart Watson
- Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle, UK
- Northern Centre for Mood Disorders, Newcastle University Translational and Clinical Research Institute, Newcastle, UK
| | - R Hamish McAllister-Williams
- Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle, UK.
- Northern Centre for Mood Disorders, Newcastle University Translational and Clinical Research Institute, Newcastle, UK.
- Northern Centre for Mood Disorders, Wolfson Research Centre, Campus for Ageing and Vitality, Newcastle upon Tyne, NE4 5LP, UK.
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Neuser MP, Teckentrup V, Kühnel A, Hallschmid M, Walter M, Kroemer NB. Vagus nerve stimulation boosts the drive to work for rewards. Nat Commun 2020; 11:3555. [PMID: 32678082 PMCID: PMC7366927 DOI: 10.1038/s41467-020-17344-9] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 06/16/2020] [Indexed: 11/23/2022] Open
Abstract
Interoceptive feedback transmitted via the vagus nerve plays a vital role in motivation by tuning actions according to physiological needs. Whereas vagus nerve stimulation (VNS) reinforces actions in animals, motivational effects elicited by VNS in humans are still largely elusive. Here, we applied non-invasive transcutaneous auricular VNS (taVNS) on the left or right ear while participants exerted effort to earn rewards using a randomized cross-over design (vs. sham). In line with preclinical studies, acute taVNS enhances invigoration of effort, and stimulation on the left side primarily facilitates invigoration for food rewards. In contrast, we do not find conclusive evidence that acute taVNS affects effort maintenance or wanting ratings. Collectively, our results suggest that taVNS enhances reward-seeking by boosting invigoration, not effort maintenance and that the stimulation side affects generalization beyond food reward. Thus, taVNS may enhance the pursuit of prospective rewards which may pave avenues to treat motivational deficiencies. The vagus nerve transmits signals between the gut and the brain thereby tuning motivated behavior to physiological needs. Here, the authors show that acute non-invasive stimulation of the vagus nerve via the ear enhances the invigoration of effort for rewards.
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Affiliation(s)
- Monja P Neuser
- Department of Psychiatry and Psychotherapy, University of Tübingen, Calwerstraße 14, 72076, Tübingen, Germany
| | - Vanessa Teckentrup
- Department of Psychiatry and Psychotherapy, University of Tübingen, Calwerstraße 14, 72076, Tübingen, Germany
| | - Anne Kühnel
- Department of Psychiatry and Psychotherapy, University of Tübingen, Calwerstraße 14, 72076, Tübingen, Germany.,Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry and International Max Planck Research School for Translational Psychiatry (IMPRS-TP), Kraeplinstraße 2-10, 80804, Munich, Germany
| | - Manfred Hallschmid
- Department of Medical Psychology and Behavioral Neurobiology, University of Tübingen, Otfried-Müller-Straße 25, 72076, Tübingen, Germany.,German Center for Diabetes Research (DZD), Otfried-Müller-Straße 10, 72076, Tübingen, Germany.,Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the Eberhard Karls University Tübingen, Otfried-Müller-Str. 10, 72076, Tübingen, Germany
| | - Martin Walter
- Department of Psychiatry and Psychotherapy, University of Tübingen, Calwerstraße 14, 72076, Tübingen, Germany.,Department of Psychiatry and Psychotherapy, Otto von Guericke University Magdeburg, Leipziger Straße 44, 39120, Magdeburg, Germany.,Department of Psychiatry and Psychotherapy, University Hospital Jena, Philosophenweg 3, 07743, Jena, Germany.,Department of Behavioral Neurology, Leibniz Institute for Neurobiology, Brenneckestr 6, 39118, Magdeburg, Germany
| | - Nils B Kroemer
- Department of Psychiatry and Psychotherapy, University of Tübingen, Calwerstraße 14, 72076, Tübingen, Germany.
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Hamaguchi T, Tsutsui-Kimura I, Mimura M, Saito T, Saido TC, Tanaka KF. App mice overall do not show impaired motivation, but cored amyloid plaques in the striatum are inversely correlated with motivation. Neurochem Int 2019; 129:104470. [DOI: 10.1016/j.neuint.2019.104470] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 05/13/2019] [Accepted: 05/15/2019] [Indexed: 10/26/2022]
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6
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Koshimori Y, Strafella AP, Valli M, Sharma V, Cho SS, Houle S, Thaut MH. Motor Synchronization to Rhythmic Auditory Stimulation (RAS) Attenuates Dopaminergic Responses in Ventral Striatum in Young Healthy Adults: [ 11C]-(+)-PHNO PET Study. Front Neurosci 2019; 13:106. [PMID: 30837831 PMCID: PMC6382688 DOI: 10.3389/fnins.2019.00106] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 01/29/2019] [Indexed: 01/04/2023] Open
Abstract
Auditory-motor entrainment using rhythmic auditory stimulation (RAS) has been shown to improve motor control in healthy persons and persons with neurologic motor disorders such as Parkinson's disease and stroke. Neuroimaging studies have shown the modulation of corticostriatal activity in response to RAS. However, the underlying neurochemical mechanisms for auditory-motor entrainment are unknown. The current study aimed to investigate RAS-induced dopamine (DA) responses in basal ganglia (BG) during finger tapping tasks combined with [11C]-(+)-PHNO-PET in eight right-handed young healthy participants. Each participant underwent two PET scans with and without RAS. Binding potential relative to the non-displaceable compartment (BPND) values were derived using the simplified reference tissue method. The task performance was measured using absolute tapping period error and its standard deviation. We found that the presence of RAS significantly improved the task performance compared to the absence of RAS, demonstrated by reductions in the absolute tapping period error (p = 0.007) and its variability (p = 0.006). We also found that (1) the presence of RAS reduced the BG BPND variability (p = 0.013) and (2) the absence of RAS resulted in a greater DA response in the left ventral striatum (VS) compared to the presence of RAS (p = 0.003), These suggest that the absence of external cueing may require more DA response in the left VS associated with more motivational and sustained attentional efforts to perform the task. Additionally, we demonstrated significant age effects on D2/3 R availability in BG: increasing age was associated with reduced D2/3 R availability in the left putamen without RAS (p = 0.026) as well as in the right VS with RAS (p = 0.02). This is the first study to demonstrate the relationships among RAS, DA response/D2/3 R availability, motor responses and age, providing the groundwork for future studies to explore mechanisms for auditory-motor entrainment in healthy elderly and patients with dopamine-based movement disorders.
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Affiliation(s)
- Yuko Koshimori
- Music and Health Research Collaboratory, Faculty of Music, University of Toronto, Toronto, ON, Canada
- Research Imaging Centre, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, University of Toronto, Toronto, ON, Canada
| | - Antonio P. Strafella
- Research Imaging Centre, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, University of Toronto, Toronto, ON, Canada
- Division of Brain, Imaging and Behaviour – Systems Neuroscience, Krembil Research Institute, University Health Network, University of Toronto, Toronto, ON, Canada
- Morton and Gloria Shulman Movement Disorders Clinic and The Edmond J. Safra Program in Parkinson’s Disease, Neurology Division, Department of Medicine, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, ON, Canada
| | - Mikaeel Valli
- Research Imaging Centre, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, University of Toronto, Toronto, ON, Canada
- Division of Brain, Imaging and Behaviour – Systems Neuroscience, Krembil Research Institute, University Health Network, University of Toronto, Toronto, ON, Canada
| | - Vivek Sharma
- Music and Health Research Collaboratory, Faculty of Music, University of Toronto, Toronto, ON, Canada
- Baycrest Health Sciences, Rotman Research Institute, Toronto, ON, Canada
| | - Sang-soo Cho
- Research Imaging Centre, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, University of Toronto, Toronto, ON, Canada
- Division of Brain, Imaging and Behaviour – Systems Neuroscience, Krembil Research Institute, University Health Network, University of Toronto, Toronto, ON, Canada
| | - Sylvain Houle
- Research Imaging Centre, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, University of Toronto, Toronto, ON, Canada
| | - Michael H. Thaut
- Music and Health Research Collaboratory, Faculty of Music, University of Toronto, Toronto, ON, Canada
- Research Imaging Centre, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, University of Toronto, Toronto, ON, Canada
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Caravaggio F, Plavén-Sigray P, Matheson GJ, Plitman E, Chakravarty MM, Borg J, Graff-Guerrero A, Cervenka S. Trait impulsivity is not related to post-commissural putamen volumes: A replication study in healthy men. PLoS One 2018; 13:e0209584. [PMID: 30571791 PMCID: PMC6301704 DOI: 10.1371/journal.pone.0209584] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Accepted: 12/07/2018] [Indexed: 01/18/2023] Open
Abstract
High levels of trait impulsivity are considered a risk factor for substance abuse and drug addiction. We recently found that non-planning trait impulsivity was negatively correlated with post-commissural putamen volumes in men, but not women, using the Karolinska Scales of Personality (KSP). Here, we attempted to replicate this finding in an independent sample using an updated version of the KSP: the Swedish Universities Scales of Personality (SSP). Data from 88 healthy male participants (Mean Age: 28.16±3.34), who provided structural T1-weighted magnetic resonance images (MRIs) and self-reported SSP impulsivity scores, were analyzed. Striatal sub-region volumes were acquired using the Multiple Automatically Generated Templates (MAGeT-Brain) algorithm. Contrary to our previous findings trait impulsivity measured using SSP was not a significant predictor of post-commissural putamen volumes (β = .14, df = 84, p = .94). A replication Bayes Factors analysis strongly supported this null result. Consistent with our previous findings, secondary exploratory analyses found no relationship between ventral striatum volumes and SSP trait impulsivity (β = -.05, df = 84, p = .28). An exploratory analysis of the other striatal compartments showed that there were no significant associations with trait impulsivity. While we could not replicate our previous findings in the current sample, we believe this work will aide future studies aimed at establishing meaningful brain biomarkers for addiction vulnerability in healthy humans.
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Affiliation(s)
- Fernando Caravaggio
- Research Imaging Centre, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
- Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
| | - Pontus Plavén-Sigray
- Department of Clinical Neuroscience, Center for Psychiatry Research, Karolinska Institutet and Stockholm County Council, SE, Stockholm, Sweden
| | - Granville James Matheson
- Department of Clinical Neuroscience, Center for Psychiatry Research, Karolinska Institutet and Stockholm County Council, SE, Stockholm, Sweden
| | - Eric Plitman
- Research Imaging Centre, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
| | - M. Mallar Chakravarty
- Department of Biological & Biomedical Engineering, McGill University, Montreal, Quebec, Canada
- Cerebral Imaging Centre, Douglas Mental Health Institute, McGill University, Montreal, Quebec, Canada
- Department of Psychiatry, McGill University, Montreal, Quebec, Canada
| | - Jacqueline Borg
- Department of Clinical Neuroscience, Center for Psychiatry Research, Karolinska Institutet and Stockholm County Council, SE, Stockholm, Sweden
| | - Ariel Graff-Guerrero
- Research Imaging Centre, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
- Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
| | - Simon Cervenka
- Department of Clinical Neuroscience, Center for Psychiatry Research, Karolinska Institutet and Stockholm County Council, SE, Stockholm, Sweden
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Schneier FR, Slifstein M, Whitton AE, Pizzagalli DA, Reinen J, McGrath PJ, Iosifescu DV, Abi-Dargham A. Dopamine Release in Antidepressant-Naive Major Depressive Disorder: A Multimodal [ 11C]-(+)-PHNO Positron Emission Tomography and Functional Magnetic Resonance Imaging Study. Biol Psychiatry 2018; 84:563-573. [PMID: 30041971 PMCID: PMC6347467 DOI: 10.1016/j.biopsych.2018.05.014] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 05/02/2018] [Accepted: 05/15/2018] [Indexed: 12/22/2022]
Abstract
BACKGROUND Mesolimbic dopamine system dysfunction is believed to contribute to major depressive disorder (MDD), but molecular neuroimaging of striatal dopamine neurotransmission has yielded mixed results, possibly owing to limited sensitivity of antagonist radioligands used with positron emission tomography to assess dopamine release capacity. This study used an agonist radioligand with agonist challenge to assess dopamine release capacity and D2/D3 receptor availability in MDD. METHODS Twenty-six treatment-naive adults with MDD and 26 healthy comparison participants underwent functional magnetic resonance imaging during a probabilistic reinforcement task, and positron emission tomography with the D3-preferring ligand [11C]-(+)-PHNO, before and after oral dextroamphetamine. MDD participants then received pramipexole treatment for 6 weeks. RESULTS MDD participants had trend-level greater dopamine release capacity in the ventral striatum, as measured by percent change in baseline binding potential relative to nondisplaceable compartment (ΔBPND) (-34% vs. -30%; p = .072, d = 0.58) but no difference in D2/D3 receptor availability (BPND). Striatal and extrastriatal BPND and percent change in baseline BPND were not significantly associated with blood oxygen level-dependent response to reward prediction error in the ventral striatum, severity of depression and anhedonia, or antidepressant response to pramipexole (response rate = 72.7%). CONCLUSIONS [11C]-(+)-PHNO demonstrated high sensitivity to displacement by amphetamine-induced dopamine release, but dopamine release capacity and D2/D3 availability were not associated with ventral striatal activation to reward prediction error or clinical features, in this study powered to detect large effects. While a preponderance of indirect evidence implicates dopaminergic dysfunction in MDD, these findings suggest that presynaptic dopamine dysregulation may not be a feature of MDD or a prerequisite for treatment response to dopamine agonists.
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Affiliation(s)
- Franklin R Schneier
- Division of Clinical Therapeutics, New York State Psychiatric Institute, Columbia University Medical Center, New York, New York; Department of Psychiatry, Columbia University Medical Center, New York, New York.
| | - Mark Slifstein
- Division of Translational Imaging, New York State Psychiatric Institute, Columbia University Medical Center, New York, New York; Department of Psychiatry, Columbia University Medical Center, New York, New York
| | - Alexis E Whitton
- Center for Depression, Anxiety and Stress Research, McLean Hospital, Belmont; Department of Psychiatry, Harvard Medical School, Cambridge, Massachusetts
| | - Diego A Pizzagalli
- Center for Depression, Anxiety and Stress Research, McLean Hospital, Belmont; Department of Psychiatry, Harvard Medical School, Cambridge, Massachusetts
| | - Jenna Reinen
- Department of Psychology, Columbia University Medical Center, New York, New York; Department of Psychology, Yale University, New Haven, Connecticut
| | - Patrick J McGrath
- Division of Clinical Therapeutics, New York State Psychiatric Institute, Columbia University Medical Center, New York, New York; Department of Psychiatry, Columbia University Medical Center, New York, New York
| | - Dan V Iosifescu
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Anissa Abi-Dargham
- Division of Translational Imaging, New York State Psychiatric Institute, Columbia University Medical Center, New York, New York; Department of Psychiatry, Columbia University Medical Center, New York, New York
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9
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Cuomo I, Kotzalidis GD, de Persis S, Piacentino D, Perrini F, Amici E, De Filippis S. Head-to-head comparison of 1-year aripiprazole long-acting injectable (LAI) versus paliperidone LAI in comorbid psychosis and substance use disorder: impact on clinical status, substance craving, and quality of life. Neuropsychiatr Dis Treat 2018; 14:1645-1656. [PMID: 29950846 PMCID: PMC6016599 DOI: 10.2147/ndt.s171002] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND To overcome nonadherence in patients with psychosis switch to long-acting injectable (LAI) antipsychotic formulations is adopted. Most oral versus LAI comparisons showed similar antipsychotic responses. Psychoses often overlap with substance use disorder (SUD). Head-to-head LAI comparisons have hitherto focused only on non-comorbid populations. OBJECTIVE The objective of this study was to compare two LAIs, administered for 12 months, in initially hospitalized patients with psychosis comorbid with SUD in their clinical and quality of life (QoL) outcomes. PATIENTS AND METHODS Inpatients were recruited during 2016 and switched randomly to 400 mg intramuscular aripiprazole monohydrate (AM) (N=50) or to 100 mg intramuscular paliperidone palmitate (PP) once-monthly (N=51); patients were discharged and followed up for 12 months. Patients were rated at baseline and after 1 year through the Clinical Global Impression scale - severity (CGIs), substance craving intensity was rated through a visual analog scale for substance craving, and QoL through the World Health Organization (WHOQOL-BREF) scale. We addressed confounders with backward stepwise logistic regression and three-way analysis of variance. RESULTS PP were older and had more cases of schizophrenia spectrum and less bipolar disorders than AM, but AM had a stronger craving for substances at baseline. Both LAIs were associated with significant improvements in all outcomes, with AM displaying stronger effect sizes than PP. The two groups did not differ on baseline WHOQOL-BREF scores in any domain, but at the 1-year follow-up, AM fared better on all domains. The two groups did not differ in final severity, but PP scored higher than AM in craving at the 1-year endpoint.Limitation: The CGIs is not a refined tool for severity and the substance craving may be subject to recall bias. CONCLUSION 1-year AM and PP was followed by improved clinical status and QoL and reduced substance craving in a population with psychosis and SUD comorbidity. AM, compared to PP, improved craving and QoL at the 1-year follow-up.
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Affiliation(s)
- Ilaria Cuomo
- Department of Neurosciences, Mental Health, and Sensory Organs (NESMOS), Sapienza School of Medicine and Psychology, Sant’Andrea Hospital, Rome, Italy
- Department of Neuropsychiatry, Villa von Siebenthal Neuropsychiatric Hospital and Clinic, Genzano di Roma, Rome, Italy
| | - Georgios D Kotzalidis
- Department of Neurosciences, Mental Health, and Sensory Organs (NESMOS), Sapienza School of Medicine and Psychology, Sant’Andrea Hospital, Rome, Italy
| | - Simone de Persis
- Department of Neuropsychiatry, Villa von Siebenthal Neuropsychiatric Hospital and Clinic, Genzano di Roma, Rome, Italy
| | - Daria Piacentino
- Department of Neurosciences, Mental Health, and Sensory Organs (NESMOS), Sapienza School of Medicine and Psychology, Sant’Andrea Hospital, Rome, Italy
| | - Filippo Perrini
- Department of Neuropsychiatry, Villa von Siebenthal Neuropsychiatric Hospital and Clinic, Genzano di Roma, Rome, Italy
| | - Emanuela Amici
- Department of Neuropsychiatry, Villa von Siebenthal Neuropsychiatric Hospital and Clinic, Genzano di Roma, Rome, Italy
| | - Sergio De Filippis
- Department of Neurosciences, Mental Health, and Sensory Organs (NESMOS), Sapienza School of Medicine and Psychology, Sant’Andrea Hospital, Rome, Italy
- Department of Neuropsychiatry, Villa von Siebenthal Neuropsychiatric Hospital and Clinic, Genzano di Roma, Rome, Italy
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