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Pawluski JL. The parental brain, perinatal mental illness, and treatment: A review of key structural and functional changes. Semin Perinatol 2024:151951. [PMID: 39030131 DOI: 10.1016/j.semperi.2024.151951] [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] [Indexed: 07/21/2024]
Abstract
The transition to parenthood is perhaps the only time in adult life when the brain changes to such a significant degree in such a short period, particularly in birthing parents. It is also a time when there is an increased risk of developing a mental illness, which may be due, in part, to the increased neuroplasticity. Thus, we must develop interventions and treatments that support parents and promote parental brain health. This review will highlight key findings from current research on how human brain structure and function are modified with 1) the transition to parenthood, 2) parenting stress and perinatal mental illness, and 3) treatments aimed at promoting perinatal mental health. The focus will be on birthing parents and mothers, but brain changes in non-birthing parents will also be discussed. Improvements in our understanding of the parental brain, in health and with illness, will promote the well-being of generations to come.
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Affiliation(s)
- Jodi L Pawluski
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail), UMR_S 1085, F-35000, Rennes, France.
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Cardaci V, Carminati M, Tondello M, Pecorino B, Serretti A, Zanardi R. Understanding and treating postpartum depression: a narrative review. Int Clin Psychopharmacol 2024:00004850-990000000-00143. [PMID: 38941162 DOI: 10.1097/yic.0000000000000560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/30/2024]
Abstract
Postpartum depression (PPD) is an increasingly prevalent but still poorly characterized disorder. Causal and modulating factors include hormones fluctuations, such as estrogen, progesterone, and allopregnolone, pathways imbalances, such as oxytocin and kynurenine, chronobiological factors, and brain imaging alterations. Treatment may differ from the traditional major depression management, while selective serotonin reuptake inhibitors such as sertraline are commonly used and suggested by guidelines, neurosteroids such as brexanolone and the more convenient zuranolone have been recently approved. Newer neurosteroids such as ganaxolone, valaxanolone, and lysaxanolone are currently under development, but also esketamine and psychedelics are promising potential treatments. Other somatic treatments including brain stimulation techniques and light therapy also showed benefit. PPD is therefore increasingly understood as, at least partially, independent from major depressive disorder. Specific and individualized treatments including pharmacological and non-pharmacological therapies are progressively being introduced in the routine clinical practice.
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Affiliation(s)
- Vincenzo Cardaci
- Department of Clinical Neurosciences, Vita-Salute San Raffaele University, Milan
| | - Matteo Carminati
- Department of Clinical Neurosciences, Vita-Salute San Raffaele University, Milan
| | - Mattia Tondello
- Department of Clinical Neurosciences, Vita-Salute San Raffaele University, Milan
| | - Basilio Pecorino
- Department of Medicine and Surgery, Kore University of Enna, Enna
| | | | - Raffaella Zanardi
- Department of Clinical Neurosciences, Vita-Salute San Raffaele University, Milan
- Department of Psychiatry, Mood Disorder Unit, IRCCS San Raffaele Hospital, Milan, Italy
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Ganho-Ávila A, Sobral M, Berg MLVD. Transcranial magnetic stimulation and transcranial direct current stimulation in reducing depressive symptoms during the peripartum period. Curr Opin Psychiatry 2024:00001504-990000000-00131. [PMID: 38994808 DOI: 10.1097/yco.0000000000000954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/13/2024]
Abstract
PURPOSE OF THE REVIEW To present the latest data on the efficacy, safety, and acceptability of transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS) in peripartum depression (PPD), complemented by notes emerging from our clinical and research experience. RECENT FINDINGS TMS and tDCS show promising results to manage mild to moderate depressive symptoms in the peripartum period. Evidence of TMS efficacy during pregnancy and the postpartum comes from two small randomized controlled trials (RCTs) with encouraging but still inconsistent results. Evidence of tDCS efficacy during pregnancy comes from one small RCT and in the postpartum the first RCT is just now being conducted and results are highly expected. The safety profile (with transient mild adverse effect to women and no known risk to the foetus/newborn) and acceptability by women seems overall good. However, the perspectives from health professionals and managers are unclear. SUMMARY Whereas TMS accelerated protocols (e.g., more than one session/day) and shorter sessions (e.g., theta burst stimulation) could address the need for fast results in PPD, home-based tDCS systems could address accessibility issues. Currently, the evidence on the efficacy of TMS and tDCS in PPD is limited warranting further research to support stronger evidence-based clinical guidelines.
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Affiliation(s)
- Ana Ganho-Ávila
- Center for Research in Neuropsychology and Cognitive and Behavioral Intervention (CINEICC), Faculty of Psychology and Educational Sciences, University of Coimbra (Portugal), Coimbra, Portugal
| | - Mónica Sobral
- Center for Research in Neuropsychology and Cognitive and Behavioral Intervention (CINEICC), Faculty of Psychology and Educational Sciences, University of Coimbra (Portugal), Coimbra, Portugal
| | - Mijke Lambregtse-van den Berg
- Departments of Psychiatry and Child & Adolescent Psychiatry, Erasmus University Medical Center, Rotterdam, The Netherlands
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Nejati V, Nozari M, Mirzaian B, Pourshahriar H, Salehinejad MA. Comparable Efficacy of Repeated Transcranial Direct Current Stimulation, Cognitive Behavioral Therapy, and Their Combination in Improvement of Cold and Hot Cognitive Functions and Amelioration of Depressive Symptoms. J Nerv Ment Dis 2024; 212:141-151. [PMID: 38198673 DOI: 10.1097/nmd.0000000000001745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
ABSTRACT This study aimed to evaluate the effectiveness of repeated transcranial direct current stimulation (rtDCS), cognitive behavioral therapy (CBT), and their combination (rtDCS-CBT) in the treatment of cognitive dysfunction, social cognition, and depressive symptoms in women diagnosed with major depressive disorder (MDD). A total of 40 female participants with MDD were randomly assigned to one of four groups: rtDCS, CBT, rtDCS-CBT, and a control group. The participants' depressive symptoms, executive functions, and social cognition were assessed at baseline, preintervention, postintervention, and during a 1-month follow-up. The rtDCS group received 10 sessions of anodal dorsolateral and cathodal ventromedial prefrontal cortex (2 mA for 20 minutes). The CBT group received 10 sessions of traditional CBT, whereas the combined group received CBT after the tDCS sessions. The results of the analysis of variance indicated that all intervention groups demonstrated significant improvements in depressive symptoms, cognitive dysfunction, and social cognition compared with the control group (all p < 0.001). Furthermore, the rtDCS-CBT group exhibited significantly greater reductions in depressive symptoms when compared with each intervention alone (all p < 0.001). Notably, working memory improvements were observed only in the rtDCS group ( p < 0.001). In conclusion, this study suggests that both CBT and tDCS, either individually or in combination, have a positive therapeutic impact on enhancing executive functions, theory of mind, and depressive symptoms in women with MDD.
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Affiliation(s)
- Vahid Nejati
- Department of Psychology, Shahid Beheshti University, Tehran, Iran
| | - Masoumeh Nozari
- Department of Psychology, Shahid Beheshti University, Tehran, Iran
| | - Bahram Mirzaian
- Department of Psychology, Shahid Beheshti University, Tehran, Iran
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Yang Y, Shangguan Y, Wang X, Liu R, Shen Z, Tang M, Jiang G. The efficacy and safety of third-generation antiseizure medications and non-invasive brain stimulation to treat refractory epilepsy: a systematic review and network meta-analysis study. Front Neurol 2024; 14:1307296. [PMID: 38264091 PMCID: PMC10804851 DOI: 10.3389/fneur.2023.1307296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 12/13/2023] [Indexed: 01/25/2024] Open
Abstract
Background The new antiseizure medications (ASMs) and non-invasive brain stimulation (NIBS) are controversial in controlling seizures. So, this network meta-analysis aimed to evaluate the efficacy and safety of five third-generation ASMs and two NIBS therapies for the treatment of refractory epilepsy. Methods We searched PubMed, EMBASE, Cochrane Library and Web of Science databases. Brivaracetam (BRV), cenobamate (CNB), eslicarbazepine acetate (ESL), lacosamide (LCM), perampanel (PER), repetitive transcranial magnetic stimulation (rTMS), and transcranial direct current stimulation (tDCS) were selected as additional treatments for refractory epilepsy in randomized controlled studies and other cohort studies. Randomized, double-blind, placebo-controlled, add-on studies that evaluated the efficacy or safety of medication and non-invasive brain stimulation and included patients with seizures were uncontrolled by one or more concomitant ASMs were identified. A random effects model was used to incorporate possible heterogeneity. The primary outcome was the change in seizure frequency from baseline, and secondary outcomes included the proportion of patients with ≥50% reduction in seizure frequency, and the rate of treatment-emergent adverse events. Results Forty-five studies were analyzed. The five ASMs and two NIBS decreased seizure frequency from baseline compared with placebo. The 50% responder rates of the five antiseizure drugs were significantly higher than that of placebo, and the ASMs were associated with fewer adverse events than placebo (p < 0.05). The surface under the cumulative ranking analysis revealed that ESL was most effective in decreasing the seizure frequency from baseline, whereas CNB provided the best 50% responder rate. BRV was the best tolerated. No significant publication bias was identified for each outcome index. Conclusion The five third-generation ASMs were more effective in controlling seizures than placebo, among which CNB, ESL, and LCM were most effective, and BRV exhibited better safety. Although rTMS and tDCS did not reduce seizure frequency as effectively as the five drugs, their safety was confirmed. Systematic review registration PROSPERO, https://www.crd.york.ac.uk/prospero/ (CRD42023441097).
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Affiliation(s)
- Yang Yang
- Department of Neurology, Affiliated Hospital of North Sichuan Medical College, Institute of Neurological Diseases, North Sichuan Medical College, Nanchong, China
| | - Yafei Shangguan
- Department of Neurology, The First People’s Hospital of Guiyang, Guiyang, China
| | - Xiaoming Wang
- Department of Neurology, Affiliated Hospital of North Sichuan Medical College, Institute of Neurological Diseases, North Sichuan Medical College, Nanchong, China
| | - Ruihong Liu
- Department of Neurology, Affiliated Hospital of North Sichuan Medical College, Institute of Neurological Diseases, North Sichuan Medical College, Nanchong, China
| | - Ziyi Shen
- Department of Neurology, Affiliated Hospital of North Sichuan Medical College, Institute of Neurological Diseases, North Sichuan Medical College, Nanchong, China
| | - Ming Tang
- Department of Neurology, Affiliated Hospital of North Sichuan Medical College, Institute of Neurological Diseases, North Sichuan Medical College, Nanchong, China
| | - Guohui Jiang
- Department of Neurology, Affiliated Hospital of North Sichuan Medical College, Institute of Neurological Diseases, North Sichuan Medical College, Nanchong, China
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Hasser C, Ameresekere M, Girgis C, Knapp J, Shah R. Striking the Balance: Bipolar Disorder in the Perinatal Period. FOCUS (AMERICAN PSYCHIATRIC PUBLISHING) 2024; 22:3-15. [PMID: 38694148 PMCID: PMC11058914 DOI: 10.1176/appi.focus.20230020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2024]
Abstract
The authors reviewed the literature, published between 2018 and 2023, on treating bipolar disorder in the perinatal period in order to summarize current treatment perspectives. Mood episodes occur during pregnancy and there are high rates of both initial onset and recurrence in the postpartum period. Bipolar disorder itself is associated with higher risks of adverse pregnancy outcomes, including gestational hypertension, hemorrhage, cesarean delivery, and small for gestational age infants. A general principle of perinatal treatment includes maintaining psychiatric stability of the pregnant person while reducing medication exposure risk to the fetus. A variety of factors can compromise psychiatric stability, including rapid discontinuation of stabilizing medications, decreased efficacy due to physiologic changes of pregnancy, and exacerbation of underlying psychiatric illness. Psychosocial interventions include optimizing sleep, increasing support, and reducing stress. The American College of Obstetricians and Gynecologists recommends against discontinuing or withholding medications solely due to pregnancy or lactation status. Individualized treatment involves a discussion of the risks of undertreated bipolar disorder weighed against the risks of individual medication choice based on available evidence regarding congenital malformations, adverse neonatal and obstetrical events, and neurodevelopmental outcomes. Valproate is not a first-line treatment due to higher risks. Data are lacking on safety for many newer medications. The authors review current safety data regarding lithium, lamotrigine, and antipsychotics, which are the most commonly used treatments for managing bipolar disorder in the perinatal period. Due to physiologic changes during pregnancy, frequent therapeutic drug monitoring and dose adjustments are required.
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Affiliation(s)
- Caitlin Hasser
- Department of Psychiatry (Hasser, Knapp, Shah) and Department of Obstetrics and Gynecology (Knapp), School of Medicine, Oregon Health & Science University, Portland, Oregon; Portland VA Health Care System, Portland, Oregon (Hasser, Shah); Department of Psychiatry, Boston University Chobanian & Avedisian School of Medicine, Boston Medical Center, Boston (Ameresekere); Edward Hines, Jr. VA Hospital, Hines, Illinois (Girgis); Department of Psychiatry, Stritch School of Medicine, Loyola University, Maywood, Illinois (Girgis)
| | - Maithri Ameresekere
- Department of Psychiatry (Hasser, Knapp, Shah) and Department of Obstetrics and Gynecology (Knapp), School of Medicine, Oregon Health & Science University, Portland, Oregon; Portland VA Health Care System, Portland, Oregon (Hasser, Shah); Department of Psychiatry, Boston University Chobanian & Avedisian School of Medicine, Boston Medical Center, Boston (Ameresekere); Edward Hines, Jr. VA Hospital, Hines, Illinois (Girgis); Department of Psychiatry, Stritch School of Medicine, Loyola University, Maywood, Illinois (Girgis)
| | - Christina Girgis
- Department of Psychiatry (Hasser, Knapp, Shah) and Department of Obstetrics and Gynecology (Knapp), School of Medicine, Oregon Health & Science University, Portland, Oregon; Portland VA Health Care System, Portland, Oregon (Hasser, Shah); Department of Psychiatry, Boston University Chobanian & Avedisian School of Medicine, Boston Medical Center, Boston (Ameresekere); Edward Hines, Jr. VA Hospital, Hines, Illinois (Girgis); Department of Psychiatry, Stritch School of Medicine, Loyola University, Maywood, Illinois (Girgis)
| | - Jacquelyn Knapp
- Department of Psychiatry (Hasser, Knapp, Shah) and Department of Obstetrics and Gynecology (Knapp), School of Medicine, Oregon Health & Science University, Portland, Oregon; Portland VA Health Care System, Portland, Oregon (Hasser, Shah); Department of Psychiatry, Boston University Chobanian & Avedisian School of Medicine, Boston Medical Center, Boston (Ameresekere); Edward Hines, Jr. VA Hospital, Hines, Illinois (Girgis); Department of Psychiatry, Stritch School of Medicine, Loyola University, Maywood, Illinois (Girgis)
| | - Riva Shah
- Department of Psychiatry (Hasser, Knapp, Shah) and Department of Obstetrics and Gynecology (Knapp), School of Medicine, Oregon Health & Science University, Portland, Oregon; Portland VA Health Care System, Portland, Oregon (Hasser, Shah); Department of Psychiatry, Boston University Chobanian & Avedisian School of Medicine, Boston Medical Center, Boston (Ameresekere); Edward Hines, Jr. VA Hospital, Hines, Illinois (Girgis); Department of Psychiatry, Stritch School of Medicine, Loyola University, Maywood, Illinois (Girgis)
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Alipour A, Mohammadi R. Evaluation of the separate and combined effects of anodal tDCS over the M1 and F3 regions on pain relief in patients with type-2 diabetes suffering from neuropathic pain. Neurosci Lett 2024; 818:137554. [PMID: 37951301 DOI: 10.1016/j.neulet.2023.137554] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 10/17/2023] [Accepted: 11/06/2023] [Indexed: 11/13/2023]
Abstract
BACKGROUND Neuropathic pain (NP) is a common complication of chronic diabetes that negatively affects the routine functioning and sleep of patients. The present study aimed to investigate the separate and combined effects of anodal transcranial direct current stimulation (tDCS) over the primary motor cortex (M1) and left dorsolateral prefrontal cortex (F3) regions on pain relief in patients with type-2 diabetes suffering from NP. METHODS The statistical population of this double-blind randomized clinical trial consisted of all the members of the Bonab Diabetes Association in 2022 aged 45 to 65 years who were diagnosed with NP by a specialist. A total of 48 patients who met the inclusion criteria were selected as the sample through purposive sampling. The participants were then randomly assigned into 4 groups, each attending 12 sessions of a special intervention (three times a week). The Short Form-McGill Pain Questionnaire-2 (SF-MPQ-2) was used for data collection. Data were statistically analyzed using SPANOVA, analysis of covariance, and the Bonferroni test. RESULTS The results showed that tDCS had the potential to induce pain relief in patients with type-2 diabetes suffering from NP (F = 11.48, P < 0.001). The mean perceived pain intensity in the posttest was lower in the M1 stimulation group than in the F3 stimulation group. Nevertheless, there was no significant difference between the two groups in terms of perceived pain intensity in the one-month and two-month follow-up stages. CONCLUSIONS The tDCS approach (over both M1 and F3) showed promising effects for pain management in patients with type-2 diabetes suffering from NP and may be an effective add-on treatment. However, more trials with larger sample sizes are necessary to define clinically relevant effects.
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Affiliation(s)
- Ahmad Alipour
- Department of Psychology, Payame Noor University, Tehran, Iran
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Voineskos D, Blumberger DM. Transcranial direct current stimulation as a treatment for major depressive disorder. Lancet 2023; 402:506-507. [PMID: 37414063 DOI: 10.1016/s0140-6736(23)00822-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 04/19/2023] [Indexed: 07/08/2023]
Affiliation(s)
- Daphne Voineskos
- Temerty Centre for Therapeutic Brain Intervention, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M6J 1H4, Canada; Department of Psychiatry, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada; Krembil Research Institute, Toronto Western Hospital, University Health Network, Toronto, ON, Canada
| | - Daniel M Blumberger
- Temerty Centre for Therapeutic Brain Intervention, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M6J 1H4, Canada; Department of Psychiatry, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada.
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Bikson M, Ganho-Ávila A, Datta A, Gillick B, Joensson MG, Kim S, Kim J, Kirton A, Lee K, Marjenin T, Onarheim B, Rehn EM, Sack AT, Unal G. Limited output transcranial electrical stimulation 2023 (LOTES-2023): Updates on engineering principles, regulatory statutes, and industry standards for wellness, over-the-counter, or prescription devices with low risk. Brain Stimul 2023; 16:840-853. [PMID: 37201865 PMCID: PMC10350287 DOI: 10.1016/j.brs.2023.05.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 05/09/2023] [Accepted: 05/13/2023] [Indexed: 05/20/2023] Open
Abstract
The objective and scope of this Limited Output Transcranial Electrical Stimulation 2023 (LOTES-2023) guidance is to update the previous LOTES-2017 guidance. These documents should therefore be considered together. The LOTES provides a clearly articulated and transparent framework for the design of devices providing limited output (specified low-intensity range) transcranial electrical stimulation for a variety of intended uses. These guidelines can inform trial design and regulatory decisions, but most directly inform manufacturer activities - and hence were presented in LOTES-2017 as "Voluntary industry standard for compliance controlled limited output tES devices". In LOTES-2023 we emphasize that these standards are largely aligned across international standards and national regulations (including those in USA, EU, and South Korea), and so might be better understood as "Industry standards for compliance controlled limited output tES devices". LOTES-2023 is therefore updated to reflect a consensus among emerging international standards, as well as best available scientific evidence. "Warnings" and "Precautions" are updated to align with current biomedical evidence and applications. LOTES standards applied to a constrained device dose range, but within this dose range and for different use-cases, manufacturers are responsible to conduct device-specific risk management.
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Affiliation(s)
- Marom Bikson
- Department of Biomedical Engineering, The City College of New York, New York, NY, United States.
| | - Ana Ganho-Ávila
- Center for Research in Neuropsychology and Cognitive Behavioral Intervention-CINEICC, Faculty of Psychology and Educational Sciences, University of Coimbra, Coimbra, Portugal
| | - Abhishek Datta
- Research and Development, Soterix Medical Inc., Woodbridge, NJ, United States
| | - Bernadette Gillick
- Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | | | - Sungjin Kim
- Ybrain Research Institute, Seongnam-si, Gyeonggi-do, South Korea
| | - Jinuk Kim
- Ybrain Research Institute, Seongnam-si, Gyeonggi-do, South Korea
| | - Adam Kirton
- Departments of Pediatrics and Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Kiwon Lee
- Ybrain Research Institute, Seongnam-si, Gyeonggi-do, South Korea
| | | | - Balder Onarheim
- Research and Development, PlatoScience ApS, Copenhagen, Denmark
| | - Erik M Rehn
- Research and Development, Flow Neuroscience, Malmo, Skane Lan, Sweden
| | - Alexander T Sack
- Department of Cognitive Neuroscience, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, the Netherlands
| | - Gozde Unal
- Department of Biomedical Engineering, The City College of New York, New York, NY, United States.
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Mucci V, Demori I, Browne CJ, Deblieck C, Burlando B. Fibromyalgia in Pregnancy: Neuro-Endocrine Fluctuations Provide Insight into Pathophysiology and Neuromodulation Treatment. Biomedicines 2023; 11:biomedicines11020615. [PMID: 36831148 PMCID: PMC9953487 DOI: 10.3390/biomedicines11020615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/06/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
Fibromyalgia (FM) is a chronic pain disorder with unclear pathophysiological mechanisms, which leads to challenges in patient management. In addition to pain, the disorder presents with a broad range of symptoms, such as sleep disruption, chronic fatigue, brain fog, depression, muscle stiffness, and migraine. FM has a considerable female prevalence, and it has been shown that symptoms are influenced by the menstrual cycle and periods of significant hormonal and immunological changes. There is increasing evidence that females with FM experience an aggravation of symptoms in pregnancy, particularly during the third trimester and after childbirth. In this perspective paper, we focus on the neuro-endocrine interactions that occur between progesterone, allopregnanolone, and cortisol during pregnancy, and propose that they align with our previously proposed model of FM pathogenesis based on GABAergic "weakening" in a thalamocortical neural loop system. Based on our hypothesis, we introduce the possibility of utilizing transcranial direct current stimulation (tDCS) as a non-invasive treatment potentially capable of exerting sex-specific effects on FM patients.
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Affiliation(s)
- Viviana Mucci
- School of Science, Western Sydney University, Campbelltown, NSW 2560, Australia
- Correspondence:
| | - Ilaria Demori
- Department of Earth, Environmental and Life Sciences (DISTAV), University of Genova, Corso Europa, 26, 16132 Genova, Italy
| | - Cherylea J. Browne
- School of Science, Western Sydney University, Campbelltown, NSW 2560, Australia
- Translational Neuroscience Facility, School of Medical Sciences, UNSW Sydney, Kensington, NSW 2052, Australia
- Brain Stimulation and Rehabilitation (BrainStAR) Lab, School of Health Sciences, Western Sydney University, Campbelltown, NSW 2560, Australia
| | - Choi Deblieck
- Antwerp Management School, University of Antwerp, Boogkeers 5, 2000 Antwerp, Belgium
| | - Bruno Burlando
- Department of Pharmacy, DIFAR, University of Genova, Viale Benedetto XV, 3, 16132 Genova, Italy
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Sun W, Kang X, Dong X, Zeng Z, Zou Q, Su M, Zhang K, Liu G, Yu G. Effect of transcranial direct current stimulation on postpartum depression: A study protocol for a randomized controlled trial. Front Psychol 2023; 14:990162. [PMID: 36874857 PMCID: PMC9976935 DOI: 10.3389/fpsyg.2023.990162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 01/09/2023] [Indexed: 02/17/2023] Open
Abstract
Postpartum depression (PPD) is a complex combination of physiological, emotional, and behavioral alterations associated with postpartum chemical, social, and psychological variations. It does harm to the relationship between family members that could potentially last for years. However, standard depression treatments are not ideal for PPD, and the outcomes of these treatments are debatable. Transcranial direct current stimulation (tDCS) is an emerging technology that could provide patients with PPD with a safe and non-pharmacological treatment. tDCS can relieve depression by directly stimulating the prefrontal cortex through the excitatory effect of the anode. It may also ease depression indirectly by promoting the production and release of the neurotransmitter GABA. The mechanism of tDCS makes it an ideal therapeutic approach to treat PPD, although it has not been widely used, and its effect has not been evaluated systematically and effectively. A double-blind, randomized controlled trial will be conducted involving 240 tDCS-naive patients with PPD, who will be randomly divided into two groups. One group will receive routine clinical treatment and care with active tDCS, and the other group will receive routine clinical treatment and care with sham tDCS. Each group of patients will receive a 3-week intervention during which they will receive 20 min of active or sham tDCS 6 days per week. The Montgomery-Åsberg Depression Rating Scale will be administered before the intervention as a baseline and on each weekend throughout the intervention phase. Before and after the intervention, the Perceived Stress Scale and the Positive and Negative Affect Schedule will be evaluated. Side effects and abnormal reactions will be recorded during each treatment. As antidepressants are banned in the study, the results will not be affected by drugs and will therefore be more accurate. Nonetheless, this experiment will be conducted in a single center as a small sample experiment. Therefore, future studies are required to confirm the effectiveness of tDCS in treating PPD.
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Affiliation(s)
- Weiming Sun
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,The First Clinical Medical School, Nanchang University, Nanchang, Jiangxi, China
| | - Xizhen Kang
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,The First Clinical Medical School, Nanchang University, Nanchang, Jiangxi, China
| | - Xiangli Dong
- Department of Psychosomatic Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Zijian Zeng
- The First Clinical Medical School, Nanchang University, Nanchang, Jiangxi, China.,Department of Psychosomatic Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Qing Zou
- The First Clinical Medical School, Nanchang University, Nanchang, Jiangxi, China.,Department of Psychosomatic Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Meixiang Su
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,The First Clinical Medical School, Nanchang University, Nanchang, Jiangxi, China
| | - Ke Zhang
- Nanchang Key Laboratory of Medical and Technology Research, Nanchang University, Nanchang, Jiangxi, China
| | - Guanxiu Liu
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,The First Clinical Medical School, Nanchang University, Nanchang, Jiangxi, China
| | - Guohua Yu
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,The First Clinical Medical School, Nanchang University, Nanchang, Jiangxi, China
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Efficacy and Safety of Transcranial Electric Stimulation during the Perinatal Period: A Systematic Literature Review and Three Case Reports. J Clin Med 2022; 11:jcm11144048. [PMID: 35887812 PMCID: PMC9318834 DOI: 10.3390/jcm11144048] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/05/2022] [Accepted: 07/07/2022] [Indexed: 11/17/2022] Open
Abstract
Introduction: The perinatal period is an at-risk period for the emergence or decompensation of psychiatric disorders. Transcranial electrical stimulation (tES) is an effective and safe treatment for many psychiatric disorders. Given the reluctance to use pharmacological treatments during pregnancy or breastfeeding, tES may be an interesting treatment to consider. Our study aims to evaluate the efficacy and safety of tES in the perinatal period through a systematic literature review followed by three original case reports. Method: Following PRISMA guidelines, a systematic review of MEDLINE and ScienceDirect was undertaken to identify studies on tES on women during the perinatal period. The initial research was conducted until 31 December 2021 and search terms included: tDCS, transcranial direct current stimulation, tACS, transcranial alternating current stimulation, tRNS, transcranial random noise stimulation, pregnancy, perinatal, postnatal, and postpartum. Results: Seven studies reporting on 33 women during the perinatal period met the eligibility criteria. No serious adverse effects for the mother or child were reported. Data were limited to the use of tES during pregnancy in patients with schizophrenia or unipolar depression. In addition, we reported three original case reports illustrating the efficacy and safety of tDCS: in a pregnant woman with bipolar depression, in a pregnant woman with post-traumatic stress disorder (sham tDCS), and in a breastfeeding woman with postpartum depression. Conclusions: The results are encouraging, making tES a potentially safe and effective treatment in the perinatal period. Larger studies are needed to confirm these initial results, and any adverse effects on the mother or child should be reported. In addition, research perspectives on the medico-economic benefits of tES, and its realization at home, are to be investigated in the future.
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Labree B, Hoare DJ, Gascoyne LE, Scutt P, Del Giovane C, Sereda M. Determining the Effects of Transcranial Direct Current Stimulation on Tinnitus, Depression, and Anxiety: A Systematic Review. Brain Sci 2022; 12:brainsci12040484. [PMID: 35448015 PMCID: PMC9029345 DOI: 10.3390/brainsci12040484] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 04/05/2022] [Accepted: 04/06/2022] [Indexed: 12/10/2022] Open
Abstract
(1) Background: Tinnitus is the awareness of a sound in the absence of an external source. It affects around 10–15% of people, a significant proportion of whom also experience symptoms such as depression or anxiety that negatively affect their quality of life. Transcranial direct current stimulation (tDCS) is a technique involving constant low-intensity direct current delivered via scalp electrodes. It is a potential treatment option for tinnitus, as well as tinnitus-related conditions such as depression and anxiety. This systematic review estimates the effects of tDCS on outcomes relevant to tinnitus. In addition, it sheds light on the relationship between stimulation parameters and the effect of tDCS on these outcomes; (2) Methods: Exhaustive searches of electronic databases were conducted. Randomised controlled trials were included if they reported at least one of the following outcomes: tinnitus symptom severity, anxiety, or depression. Where available, data on quality of life, adverse effects, and neurophysiological changes were also reviewed. GRADE was used to assess the certainty in the estimate; (3) Results: Meta-analyses revealed a statistically significant reduction in tinnitus (moderate certainty) and depression (low certainty)-but not anxiety-following active tDCS compared to sham control. Network meta-analyses revealed potential optimal stimulation parameters; (4) Conclusions: The evidence synthesised in this review suggests tDCS has the potential to reduce symptom severity in tinnitus and depression. It further narrows down the number of potentially optimal stimulation parameters.
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Affiliation(s)
- Bas Labree
- NIHR Nottingham Biomedical Research Centre, Ropewalk House, 113 The Ropewalk, Nottingham NG1 5DU, UK; (D.J.H.); (P.S.); (M.S.)
- Hearing Sciences, Mental Health and Clinical Neurosciences, School of Medicine, University of Nottingham, Nottingham NG7 2UH, UK
- Correspondence:
| | - Derek J. Hoare
- NIHR Nottingham Biomedical Research Centre, Ropewalk House, 113 The Ropewalk, Nottingham NG1 5DU, UK; (D.J.H.); (P.S.); (M.S.)
- Hearing Sciences, Mental Health and Clinical Neurosciences, School of Medicine, University of Nottingham, Nottingham NG7 2UH, UK
| | - Lauren E. Gascoyne
- Sir Peter Mansfield Imaging Centre, School of Physics and Astronomy, University of Nottingham, Nottingham NG7 2XQ, UK;
| | - Polly Scutt
- NIHR Nottingham Biomedical Research Centre, Ropewalk House, 113 The Ropewalk, Nottingham NG1 5DU, UK; (D.J.H.); (P.S.); (M.S.)
- Hearing Sciences, Mental Health and Clinical Neurosciences, School of Medicine, University of Nottingham, Nottingham NG7 2UH, UK
| | - Cinzia Del Giovane
- Department of Medical and Surgical Sciences for Children and Adults, University-Hospital of Modena and Reggio Emilia, 41124 Modena, Italy;
- Institute of Primary Health Care (BIHAM), University of Bern, Mittelstrasse 43, 3012 Bern, Switzerland
| | - Magdalena Sereda
- NIHR Nottingham Biomedical Research Centre, Ropewalk House, 113 The Ropewalk, Nottingham NG1 5DU, UK; (D.J.H.); (P.S.); (M.S.)
- Hearing Sciences, Mental Health and Clinical Neurosciences, School of Medicine, University of Nottingham, Nottingham NG7 2UH, UK
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Schwippel T, Plewnia C. [Non-Invasive Brain Stimulation in Psychiatric Disorders]. FORTSCHRITTE DER NEUROLOGIE-PSYCHIATRIE 2022; 90:63-79. [PMID: 35081645 DOI: 10.1055/a-1680-7075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Based on neurophysiological findings, non-invasive brain stimulation methods offer an integrative treatment approach for mental disorders. Some of the stimulation methods have already been extensively studied for specific psychiatric indications and have become established as reasonable treatment option. For example, transcranial magnetic stimulation (TMS) for the treatment of refractory depression received approval from the Food and Drug Administration (FDA) in the United States in 2008. However, in Europe and especially in Germany, TMS is not widely offered even in a university setting. The following article describes the available technologies and their biological mechanisms of action, outlines the clinical indication and application of TMS, and summarizes the clinical evidence. The article is based on recently published guidelines for the therapeutic use of non-invasive brain stimulation 1 2 3.
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Clinical effectiveness of non-TMS neurostimulation in depression: Clinical trials from 2010 to 2020. Prog Neuropsychopharmacol Biol Psychiatry 2021; 110:110287. [PMID: 33610609 DOI: 10.1016/j.pnpbp.2021.110287] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 02/10/2021] [Accepted: 02/12/2021] [Indexed: 12/27/2022]
Abstract
OBJECTIVE Treatment for major depressive disorder (MDD) have evolved, although there is still a strong unmet need for more effective and tolerable options. The present study summarizes and discusses recent evidence regarding the non-transcranial magnetic stimulation (non-TMS) neurostimulation treatment for MDD. METHODS The authors reviewed non-TMS neurostimulation clinical trials for MDD between 2010 and 2020. Electroconvulsive therapy was not included in this review. A systematic review was performed in MEDLINE database through PubMed, the Cochrane Collaboration's Clinical Trials Register (CENTRAL), PsycINFO and Thomson Reuters's Web of Science. RESULTS Only 20 articles met the inclusion criteria. Randomized controlled trials demonstrated efficacy of transcranial direct current stimulation (tDCS) in five of seven trials. tDCS augmented with sertraline, fluoxetine, citalopram and escitalopram was superior to placebo and to tDCS only. A comparative trial demonstrated that the duration of tDCS sessions can modulate the effectiveness of this treatment. Open trials indicated that deep brain stimulation, epidural cortical stimulation, trigeminal nerve stimulation, magnetic seizure therapy and vagus nerve stimulation may be effective in treatment-resistant depression. CONCLUSION This review confirmed the efficacy of tDCS in MDD. Despite new evidence showing effectiveness for other non-TMS neurostimulation, their effectiveness is still unclear. Non-TMS neurostimulation RCTs with large samples and head-to-head studies comparing non-TMS neurostimulation and gold standard pharmacological treatments are still lacking.
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Pacheco F, Guiomar R, Brunoni AR, Buhagiar R, Evagorou O, Roca-Lecumberri A, Poleszczyk A, Lambregtse-van den Berg M, Caparros-Gonzalez RA, Fonseca A, Osório A, Soliman M, Ganho-Ávila A. Efficacy of non-invasive brain stimulation in decreasing depression symptoms during the peripartum period: A systematic review. J Psychiatr Res 2021; 140:443-460. [PMID: 34147932 DOI: 10.1016/j.jpsychires.2021.06.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 05/04/2021] [Accepted: 06/04/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND Non-invasive brain stimulation (NIBS) techniques have been suggested as alternative treatments to decrease depression symptoms during the perinatal period. These include brain stimulation techniques that do not require surgery and that are nonpharmacological and non-psychotherapeutic. NIBS with evidence of antidepressant effects include repetitive transcranial magnetic stimulation (rTMS), transcranial electric stimulation (TES) and electroconvulsive therapy (ECT). OBJECTIVES This systematic review aims to summarize evidence on NIBS efficacy, safety and acceptability in treating peripartum depression (PPD). METHODS We included randomized, non-randomized and case reports, that used NIBS during pregnancy and the postpartum. The reduction of depressive symptoms and neonatal safety were the primary and co-primary outcomes, respectively. RESULTS rTMS shows promising results for the treatment of PPD, with clinically significant decreases in depressive symptoms between baseline and end of treatment and overall good acceptability. Although the safety profile for rTMS is adequate in the postpartum, caution is warranted during pregnancy. In TES, evidence on efficacy derives mostly from single-arm studies, compromising the encouraging findings. Further investigation is necessary concerning ECT, as clinical practice relies on clinical experience and is only described in low-quality case-reports. LIMITATIONS The reduced number of controlled studies, the lack of complete datasets and the serious/high risk of bias of the reports warrant cautious interpretations. CONCLUSIONS AND IMPLICATIONS Existing evidence is limited across NIBS techniques; comparative studies are lacking, and standard stimulation parameters are yet to be established. Although rTMS benefits from the most robust research, future multicenter randomized clinical trials are needed to determine the position of each NIBS strategy within the pathways of care.
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Affiliation(s)
- Francisca Pacheco
- University of Coimbra, Faculty of Psychology and Educational Sciences, Coimbra, Portugal
| | - Raquel Guiomar
- Center for Research in Neuropsychology and Cognitive-Behavior Interventions, Faculty of Psychology and Educational Sciences, University of Coimbra, Coimbra, Portugal
| | - Andre R Brunoni
- Department of Internal Medicine and Psychiatry, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | | | - Olympia Evagorou
- University General Hospital of Alexandroupolis, Department of Psychiatry, Greece
| | - Alba Roca-Lecumberri
- Perinatal Mental Health Unit, Psychiatry and Clinical Psychology Service, Hospital Clinic de Barcelona, Barcelona, Spain
| | | | - Mijke Lambregtse-van den Berg
- Departments of Psychiatry and Child & Adolescent Psychiatry, Erasmus University Medical Center, Rotterdam, the Netherlands
| | | | - Ana Fonseca
- University of Coimbra, Faculty of Psychology and Educational Sciences, Coimbra, Portugal; Center for Research in Neuropsychology and Cognitive-Behavior Interventions, Faculty of Psychology and Educational Sciences, University of Coimbra, Coimbra, Portugal
| | - Ana Osório
- Graduate Program on Developmental Disorders, Center for Biological and Health Sciences, Mackenzie Presbyterian University, São Paulo, Brazil
| | - Mahmoud Soliman
- Department of Radiology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Ana Ganho-Ávila
- Center for Research in Neuropsychology and Cognitive-Behavior Interventions, Faculty of Psychology and Educational Sciences, University of Coimbra, Coimbra, Portugal.
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Kurzeck AK, Dechantsreiter E, Wilkening A, Kumpf U, Nenov-Matt T, Padberg F, Palm U. Transcranial Direct Current Stimulation (tDCS) for Depression during Pregnancy: Results from an Open-Label Pilot Study. Brain Sci 2021; 11:brainsci11070947. [PMID: 34356180 PMCID: PMC8304475 DOI: 10.3390/brainsci11070947] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 07/14/2021] [Accepted: 07/17/2021] [Indexed: 11/16/2022] Open
Abstract
INTRODUCTION Depression is the most common morbidity during pregnancy. Available first-line therapy options are limited and depressive disorders in pregnant women are often untreated, leading to negative effects on maternal and fetal health. OBJECTIVES The aim of this open-label pilot study is to extend evidence on the use of transcranial direct current stimulation (tDCS) as a treatment of antenatal depression and to point out options for the use of tDCS in this population. METHODS Six drug-free female patients with major depressive disorder during pregnancy (later than 10th gestational week) were included in this pilot study. Patients were treated with twice-daily tDCS (2 mA, 30 min, anode: F3, cathode: F4) over ten days during inpatient stay (Phase 1) and with once-daily tDCS over 10 days during an optional outpatient stay (Phase 2). Clinical (HAMD-21, BDI) and neuropsychological ratings (Trail Making Test A/B) were performed at baseline, after two and four weeks as well as an obstetric examination. RESULTS Six right-handed females (23-43 years, 12-33. gestational week) completed Phase 1; four patients additionally joined in Phase 2. tDCS was well tolerated and no adverse effects occurred. Clinical ratings showed an improvement of mean baseline HAMD-21 from 22.50 ± 7.56 to 13.67 ± 3.93 after week 2, and to 8.75 ± 4.99 after week 4. The mean baseline BDI was 26.00 ± 13.90 and declined to 11.17 ± 5.46 after week 2, and to 9.25 ± 3.30 after week 4. CONCLUSIONS Statistically significant changes in HAMD-21 and BDI were observed after Phase 1. One patient achieved remission in terms of HAMD in Phase 1. Although this small-scale study lacks sham control, it shows clinical improvement and absence of adverse events in this critical population.
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Affiliation(s)
- Anna Katharina Kurzeck
- Department of Psychiatry, Hospital of the University of Munich, 80336 Munich, Germany; (A.K.K.); (E.D.); (A.W.); (U.K.); (T.N.-M.); (F.P.)
| | - Esther Dechantsreiter
- Department of Psychiatry, Hospital of the University of Munich, 80336 Munich, Germany; (A.K.K.); (E.D.); (A.W.); (U.K.); (T.N.-M.); (F.P.)
| | - Anja Wilkening
- Department of Psychiatry, Hospital of the University of Munich, 80336 Munich, Germany; (A.K.K.); (E.D.); (A.W.); (U.K.); (T.N.-M.); (F.P.)
| | - Ulrike Kumpf
- Department of Psychiatry, Hospital of the University of Munich, 80336 Munich, Germany; (A.K.K.); (E.D.); (A.W.); (U.K.); (T.N.-M.); (F.P.)
| | - Tabea Nenov-Matt
- Department of Psychiatry, Hospital of the University of Munich, 80336 Munich, Germany; (A.K.K.); (E.D.); (A.W.); (U.K.); (T.N.-M.); (F.P.)
| | - Frank Padberg
- Department of Psychiatry, Hospital of the University of Munich, 80336 Munich, Germany; (A.K.K.); (E.D.); (A.W.); (U.K.); (T.N.-M.); (F.P.)
| | - Ulrich Palm
- Department of Psychiatry, Hospital of the University of Munich, 80336 Munich, Germany; (A.K.K.); (E.D.); (A.W.); (U.K.); (T.N.-M.); (F.P.)
- Medical Park Chiemseeblick, Hospital for Psychosomatics, Rasthausstr. 25, 83233 Bernau-Felden, Germany
- Correspondence:
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De Smet S, Nikolin S, Moffa A, Suen P, Vanderhasselt MA, Brunoni AR, Razza LB. Determinants of sham response in tDCS depression trials: a systematic review and meta-analysis. Prog Neuropsychopharmacol Biol Psychiatry 2021; 109:110261. [PMID: 33497753 DOI: 10.1016/j.pnpbp.2021.110261] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 01/18/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Randomised clinical trials (RCTs) investigating transcranial direct current stimulation (tDCS) efficacy for depression show significant heterogeneity in outcomes. OBJECTIVE To investigate the magnitude of the sham tDCS response and its potential moderators in the treatment of depression. METHODOLOGY A systematic review and aggregate meta-analysis (PROSPERO ID CRD42020161254). The systematic review was conducted in the PubMed, Scopus (EMBASE) and Cochrane Library databases. Only RCTs enrolling adult subjects with an acute depressive episode with a sham tDCS group were included. RESULTS Twenty-three studies (twenty-five datasets, 501 participants) were included. Sham tDCS response was large (Hedges' g = 1.09; 95% CI: 0.8;1.38). Secondary and subgroup analyses showed that sham protocols employing a ramp-up/ramp-down at the beginning and end of stimulation presented a significantly lower sham response compared to other protocols. Univariate meta-regression analyses found that sham response was associated with higher risk of blinding bias, and with thetreatment effect size of the active tDCS group. Subgroup analyses also showed that placement of the cathode over the lateral right frontal area (F8) presented a significantly lower sham response. Other moderators, including treatment resistance, baseline severity of depressive symptoms, and total charge delivered were not associated with the magnitude of the sham response. CONCLUSION The sham tDCS response was large. Our findings demonstrate the need for standardization of sham tDCS protocols and bring attention to important considerations that can guide future RCTs employing tDCS for the treatment of MDD.
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Affiliation(s)
- Stefanie De Smet
- Department of Head and Skin, Psychiatry and Medical Psychology, Ghent University Hospital, Ghent University, Ghent, Belgium; Ghent Experimental Psychiatry (GHEP) Lab, Ghent, Belgium
| | - Stevan Nikolin
- School of Psychiatry, University of New South Wales, Sydney, Australia; Black Dog Institute, Sydney, Australia
| | - Adriano Moffa
- School of Psychiatry, University of New South Wales, Sydney, Australia; Black Dog Institute, Sydney, Australia
| | - Paulo Suen
- Service of Interdisciplinary Neuromodulation, Neuroscience Laboratory (LIM-27), Department and Institute de Psychiatry, Clinical Hospital, University of São Paulo Medical School, São Paulo, Brazil
| | - Marie-Anne Vanderhasselt
- Department of Head and Skin, Psychiatry and Medical Psychology, Ghent University Hospital, Ghent University, Ghent, Belgium; Ghent Experimental Psychiatry (GHEP) Lab, Ghent, Belgium; Department of Experimental Clinical and Health Psychology, Ghent University, Ghent, Belgium
| | - André R Brunoni
- Service of Interdisciplinary Neuromodulation, Neuroscience Laboratory (LIM-27), Department and Institute de Psychiatry, Clinical Hospital, University of São Paulo Medical School, São Paulo, Brazil; Department of Internal Medicine, University of São Paulo Medical School & University Hospital, University of São Paulo, Av. Prof Lineu Prestes 2565, 05508-000 São Paulo, Brazil
| | - Laís B Razza
- Service of Interdisciplinary Neuromodulation, Neuroscience Laboratory (LIM-27), Department and Institute de Psychiatry, Clinical Hospital, University of São Paulo Medical School, São Paulo, Brazil.
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Li X, Yu W, Li H, Wang B, Xu J. Prospective, Single-Center Comparison of Transcranial Direct Current Stimulation Plus Electroacupuncture and Standard Analgesia in Patients After Total Knee Arthroplasty: Effect on Rehabilitation and Functional Recovery. Med Sci Monit 2021; 27:e930363. [PMID: 34103464 PMCID: PMC8202124 DOI: 10.12659/msm.930363] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Background The aim of this prospective study was to compare transcranial direct current stimulation (tDCS) plus electroacupuncture with standard analgesia in patients after total knee arthroplasty (TKA) to determine the effects on rehabilitation and functional recovery. Material/Methods Eighty patients with osteoarthritis of the knee who underwent TKA were included in the study. They were divided into experimental (n=40) and control groups (n=40) according to postoperative analgesia method. The control group received multimodal analgesia after TKA and the experimental group received additional tDCS plus electroacupuncture. Postoperative pain, knee function, and quality of life were compared between the 2 groups. Results Compared with the control group, the experimental group had significantly lower visual analog scale scores at 3 and 7 days and 3 and 6 weeks after TKA (P<0.05). At 6 weeks after TKA, knee injury and osteoarthritis outcome and Hospital for Special Surgery scores and maximum knee flexion in the experimental group were significantly better than those in the control group (P<0.05). In the experimental group compared with the control group, the Short Form-36 Health Survey score also was significantly increased (P<0.05). Conclusions The findings from this study showed that tDCS plus electroacupuncture effectively reduced pain after TKA and improved rehabilitation and functional recovery.
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Affiliation(s)
- Xuejing Li
- Department of Rehabilitation Medicine, The Affiliated Huai'an Hospital of Xuzhou Medical University and the Second People's Hospital of Huai'an, Huai'an, Jiangsu, China (mainland)
| | - Wei Yu
- Department of Rehabilitation Medicine, The Affiliated Huai'an Hospital of Xuzhou Medical University and the Second People's Hospital of Huai'an, Huai'an, Jiangsu, China (mainland)
| | - Hongbo Li
- Department of Rehabilitation Medicine, Huai'an Rehabilitation Hospital, Huai'an, Jiangsu, China (mainland)
| | - Baoyue Wang
- Department of Rehabilitation Medicine, Lianshui County People's Hospital affiliated to Kangda College of Nanjing Medical University, Huai'an, Jiangsu, China (mainland)
| | - Jiang Xu
- Department of Rehabilitation Medicine, The Affiliated Huai'an Hospital of Xuzhou Medical University and the Second People's Hospital of Huai'an, Huai'an, Jiangsu, China (mainland)
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Fregni F, El-Hagrassy MM, Pacheco-Barrios K, Carvalho S, Leite J, Simis M, Brunelin J, Nakamura-Palacios EM, Marangolo P, Venkatasubramanian G, San-Juan D, Caumo W, Bikson M, Brunoni AR. Evidence-Based Guidelines and Secondary Meta-Analysis for the Use of Transcranial Direct Current Stimulation in Neurological and Psychiatric Disorders. Int J Neuropsychopharmacol 2021; 24:256-313. [PMID: 32710772 PMCID: PMC8059493 DOI: 10.1093/ijnp/pyaa051] [Citation(s) in RCA: 238] [Impact Index Per Article: 79.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 07/21/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Transcranial direct current stimulation has shown promising clinical results, leading to increased demand for an evidence-based review on its clinical effects. OBJECTIVE We convened a team of transcranial direct current stimulation experts to conduct a systematic review of clinical trials with more than 1 session of stimulation testing: pain, Parkinson's disease motor function and cognition, stroke motor function and language, epilepsy, major depressive disorder, obsessive compulsive disorder, Tourette syndrome, schizophrenia, and drug addiction. METHODS Experts were asked to conduct this systematic review according to the search methodology from PRISMA guidelines. Recommendations on efficacy were categorized into Levels A (definitely effective), B (probably effective), C (possibly effective), or no recommendation. We assessed risk of bias for all included studies to confirm whether results were driven by potentially biased studies. RESULTS Although most of the clinical trials have been designed as proof-of-concept trials, some of the indications analyzed in this review can be considered as definitely effective (Level A), such as depression, and probably effective (Level B), such as neuropathic pain, fibromyalgia, migraine, post-operative patient-controlled analgesia and pain, Parkinson's disease (motor and cognition), stroke (motor), epilepsy, schizophrenia, and alcohol addiction. Assessment of bias showed that most of the studies had low risk of biases, and sensitivity analysis for bias did not change these results. Effect sizes vary from 0.01 to 0.70 and were significant in about 8 conditions, with the largest effect size being in postoperative acute pain and smaller in stroke motor recovery (nonsignificant when combined with robotic therapy). CONCLUSION All recommendations listed here are based on current published PubMed-indexed data. Despite high levels of evidence in some conditions, it must be underscored that effect sizes and duration of effects are often limited; thus, real clinical impact needs to be further determined with different study designs.
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Affiliation(s)
- Felipe Fregni
- Neuromodulation Center and Center for Clinical Research Learning, Spaulding Rehabilitation Hospital and Massachusetts General Hospital, Boston, Massachusetts
| | - Mirret M El-Hagrassy
- Neuromodulation Center and Center for Clinical Research Learning, Spaulding Rehabilitation Hospital and Massachusetts General Hospital, Boston, Massachusetts
| | - Kevin Pacheco-Barrios
- Neuromodulation Center and Center for Clinical Research Learning, Spaulding Rehabilitation Hospital and Massachusetts General Hospital, Boston, Massachusetts
- Universidad San Ignacio de Loyola, Vicerrectorado de Investigación, Unidad de Investigación para la Generación y Síntesis de Evidencias en Salud, Lima, Peru
| | - Sandra Carvalho
- Neurotherapeutics and experimental Psychopathology Group (NEP), Psychological Neuroscience Laboratory, CIPsi, School of Psychology, University of Minho, Campus de Gualtar, Braga, Portugal
| | - Jorge Leite
- I2P-Portucalense Institute for Psychology, Universidade Portucalense, Porto, Portugal
| | - Marcel Simis
- Physical and Rehabilitation Medicine Institute of the University of Sao Paulo Medical School General Hospital, Sao Paulo, Brazil
| | - Jerome Brunelin
- CH Le Vinatier, PSYR2 team, Lyon Neuroscience Research Center, UCB Lyon 1, Bron, France
| | - Ester Miyuki Nakamura-Palacios
- Laboratory of Cognitive Sciences and Neuropsychopharmacology, Department of Physiological Sciences, Federal University of Espírito Santo, Espírito Santo, Brasil (Dr Nakamura-Palacios)
| | - Paola Marangolo
- Dipartimento di Studi Umanistici, Università Federico II, Naples, Italy
- IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Ganesan Venkatasubramanian
- Translational Psychiatry Laboratory, Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, India
| | - Daniel San-Juan
- Neurophysiology Department, National Institute of Neurology and Neurosurgery Manuel Velasco Suárez, Mexico City, Mexico
| | - Wolnei Caumo
- Post-Graduate Program in Medical Sciences, School of Medicine, Universidade Federal do Rio Grande do Sul (UFRGS) Surgery Department, School of Medicine, UFRGS; Pain and Palliative Care Service at Hospital de Clínicas de Porto Alegre (HCPA) Laboratory of Pain and Neuromodulation at HCPA, Porto Alegre, Brazil
| | - Marom Bikson
- Department of Biomedical Engineering, The City College of New York of CUNY, New York, New York
| | - André R Brunoni
- Service of Interdisciplinary Neuromodulation, Laboratory of Neurosciences (LIM-27), Department and Institute of Psychiatry & Department of Internal Medicine, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
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21
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Zhang R, Lam CLM, Peng X, Zhang D, Zhang C, Huang R, Lee TMC. Efficacy and acceptability of transcranial direct current stimulation for treating depression: A meta-analysis of randomized controlled trials. Neurosci Biobehav Rev 2021; 126:481-490. [PMID: 33789158 DOI: 10.1016/j.neubiorev.2021.03.026] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 03/18/2021] [Accepted: 03/22/2021] [Indexed: 12/23/2022]
Abstract
BACKGROUND Transcranial direct current stimulation (tDCS) is a promising nonpharmacological intervention for treating depression. We aimed to provide an updated meta-analysis assessing the anti-depressant efficacy of tDCS. METHODS We searched the literature from the first available date to 30 December 2020 to identify relevant randomized controlled trials (RCTs). RESULTS 27 RCTs (N = 1204 patients, 653 in active tDCS and 551 in sham tDCS) were included. Active tDCS was superior to sham tDCS (g = 0.46, 95 % CI 0.15-0.76) in modulating depressive symptoms measured by depression rating scales. Active tDCS was also superior to sham tDCS in reducing response and remission rates, but these differences did not reach statistically significant levels (ORresponse = 1.75, 95 % CI 0.85-3.58; ORremission = 1.29, 95 % CI 0.59-2.83). The two groups had comparable dropout rates (OR = 1.28, 95 % CI 0.62-1.64). CONCLUSION For treatments of depressive episodes, tDCS may be efficacious. Specific tDCS parameters (e.g., a 2-mA stimulation current and 30-min sessions) and clinical characteristics (e.g., antidepressant-free) may augment the treatment efficacy of tDCS.
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Affiliation(s)
- Ruibin Zhang
- Cognitive Control and Brain Healthy Laboratory, Department of Psychology, School of Public Health, Southern Medical University, Guangzhou, 510515, China; Department of Psychiatry, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China.
| | - Charlene L M Lam
- Laboratory of Clinical Psychology and Affective Neuroscience, The University of Hong Kong, Hong Kong, China
| | | | - Dongming Zhang
- Cognitive Control and Brain Healthy Laboratory, Department of Psychology, School of Public Health, Southern Medical University, Guangzhou, 510515, China
| | - Chichen Zhang
- School of Health Management, Southern Medical University, Guangzhou, China
| | - Ruiwang Huang
- School of Psychology, South China Normal University, Guangzhou, China.
| | - Tatia M C Lee
- The Affiliated Brain Hospital of Guangzhou Medical University (Guangzhou Huiai Hospital), Guangzhou Medical University, Guangzhou, China; State Key Laboratory of Brain and Cognitive Sciences, The University of Hong Kong, Hong Kong, China; Laboratory of Neuropsychology and Human Neuroscience, The University of Hong Kong, Hong Kong, China; Center for Brain Science and Brain-Inspired Intelligence, Guangdong-Hong Kong-Macao, Greater Bay Area, China.
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22
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Homan S, Muscat W, Joanlanne A, Marousis N, Cecere G, Hofmann L, Ji E, Neumeier M, Vetter S, Seifritz E, Dierks T, Homan P. Treatment effect variability in brain stimulation across psychiatric disorders: A meta-analysis of variance. Neurosci Biobehav Rev 2021; 124:54-62. [PMID: 33482243 DOI: 10.1016/j.neubiorev.2020.11.033] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 10/26/2020] [Accepted: 11/29/2020] [Indexed: 02/07/2023]
Abstract
Noninvasive brain stimulation methods such as transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS) are promising add-on treatments for a number of psychiatric conditions. Yet, some of the initial excitement is wearing off. Randomized controlled trials (RCT) have found inconsistent results. This inconsistency is suspected to be the consequence of variation in treatment effects and solvable by identifying responders in RCTs and individualizing treatment. However, is there enough evidence from RCTs that patients respond differently to treatment? This question can be addressed by comparing the variability in the active stimulation group with the variability in the sham group. We searched MEDLINE/PubMed and included all double-blinded, sham-controlled RCTs and crossover trials that used TMS or tDCS in adults with a unipolar or bipolar depression, bipolar disorder, schizophrenia spectrum disorder, or obsessive compulsive disorder. In accordance with the PRISMA guidelines to ensure data quality and validity, we extracted a measure of variability of the primary outcome. A total of 130 studies with 5748 patients were considered in the analysis. We calculated variance-weighted variability ratios for each comparison of active stimulation vs sham and entered them into a random-effects model. We hypothesized that treatment effect variability in TMS or tDCS would be reflected by increased variability after active compared with sham stimulation, or in other words, a variability ratio greater than one. Across diagnoses, we found only a minimal increase in variability after active stimulation compared with sham that did not reach statistical significance (variability ratio = 1.03; 95% CI, 0.97, 1.08, P = 0.358). In conclusion, this study found little evidence for treatment effect variability in brain stimulation, suggesting that the need for personalized or stratified medicine is still an open question.
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Affiliation(s)
- Stephanie Homan
- University Hospital of Psychiatry Zurich, Zurich, Switzerland; University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland.
| | - Whitney Muscat
- Center for Psychiatric Neuroscience, Feinstein Institute for Medical Research, Manhasset, NY, USA; Division of Psychiatry Research, Zucker Hillside Hospital, Northwell Health, New York, NY, USA; Department of Psychiatry, Zucker School of Medicine at Northwell/Hofstra, Hempstead, NY, USA
| | - Andrea Joanlanne
- Center for Psychiatric Neuroscience, Feinstein Institute for Medical Research, Manhasset, NY, USA; Division of Psychiatry Research, Zucker Hillside Hospital, Northwell Health, New York, NY, USA; Department of Psychiatry, Zucker School of Medicine at Northwell/Hofstra, Hempstead, NY, USA
| | | | - Giacomo Cecere
- University Hospital of Psychiatry Zurich, Zurich, Switzerland
| | - Lena Hofmann
- University Hospital of Psychiatry Zurich, Zurich, Switzerland
| | - Ellen Ji
- University Hospital of Psychiatry Zurich, Zurich, Switzerland
| | - Maria Neumeier
- University Hospital of Psychiatry Zurich, Zurich, Switzerland
| | - Stefan Vetter
- University Hospital of Psychiatry Zurich, Zurich, Switzerland
| | - Erich Seifritz
- University Hospital of Psychiatry Zurich, Zurich, Switzerland
| | - Thomas Dierks
- University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland
| | - Philipp Homan
- University Hospital of Psychiatry Zurich, Zurich, Switzerland; Center for Psychiatric Neuroscience, Feinstein Institute for Medical Research, Manhasset, NY, USA; Division of Psychiatry Research, Zucker Hillside Hospital, Northwell Health, New York, NY, USA; Department of Psychiatry, Zucker School of Medicine at Northwell/Hofstra, Hempstead, NY, USA.
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23
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Fonseca A, Ganho-Ávila A, Lambregtse-van den Berg M, Lupattelli A, Rodriguez-Muñoz MDLF, Ferreira P, Radoš SN, Bina R. Emerging issues and questions on peripartum depression prevention, diagnosis and treatment: a consensus report from the cost action riseup-PPD. J Affect Disord 2020; 274:167-173. [PMID: 32469800 DOI: 10.1016/j.jad.2020.05.112] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 04/29/2020] [Accepted: 05/16/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Peripartum depression [PPD] is a public health problem which has been widely studied. Nonetheless, study findings and clinical guidelines for PPD treatment differ among countries and the condition is still underdiagnosed and undertreated, suggesting the importance of a global understanding of PPD. The Riseup-PPD Cost Action aims to establish a Pan-European and multidisciplinary network of researchers dedicated to the global understanding of PPD. METHODS A literature search was performed in different databases (e.g., Medline, PsychInfo) including a combination of terms related with PPD diagnosis, prevention, treatment and cost-effectiveness of its management. A narrative synthesis of the literature, together with a critical overview of the current issues/questions to be addressed within the topic of PPD were performed. RESULTS Emerging issues include challenges regarding definition and timing of PPD; heterogeneity in severity, timing of onset and assessment tools; comparative effectiveness of preventive and treatment interventions; help seeking for PPD; improving health professional's awareness of PPD; and cost-effectiveness of PPD management. LIMITATIONS The main limitation is the non-systematic nature of the literature search. CONCLUSIONS The Riseup-PPD network will deal with these challenges through four lines of action: (1)provide an updated and comprehensive synthesis of existing knowledge that can contribute to inform clinical recommendations and guidelines for PPD management; (2) clarify inconsistent findings concerning diagnosis, prevention and treatment of PPD; (3) develop new lines of research in the field of PPD; and (4) develop international recommendations for PPD diagnosis, prevention and treatment, ultimately influencing maternal mental health policymaking at global and local levels.
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Affiliation(s)
- Ana Fonseca
- Univ Coimbra, Center for Research in Neuropsychology and Cognitive-Behavior Interventions, Faculty of Psychology and Educational Sciences, Coimbra, Portugal.
| | - Ana Ganho-Ávila
- Univ Coimbra, Center for Research in Neuropsychology and Cognitive-Behavior Interventions, Faculty of Psychology and Educational Sciences, Coimbra, Portugal
| | - Mijke Lambregtse-van den Berg
- Departments of Psychiatry and Child and Adolescent Psychiatry/Psychology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Angela Lupattelli
- PharmacoEpidemiology and Drug Safety Research Group, Department of Pharmacy, & PharmaTox Strategic Research Initiative, Faculty of Mathematics and Natural Sciences, University of Oslo, Norway
| | - Maria de la Fé Rodriguez-Muñoz
- Department of Personality Psychology, Evaluation and Psychological Treatment, National Distance Education University, Madrid, Spain
| | - Pedro Ferreira
- Center for Health Studies and Research (CEISUC), Faculty of Economy, University of Coimbra, Coimbra, Portugal
| | - Sandra Nakić Radoš
- Department of Psychology, Catholic University of Croatia, Zagreb, Croatia
| | - Rena Bina
- The Louis and Gabi Weisfeld School of Social Work, Bar Ilan University, Ramat Gan, Israel
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24
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Konstantinou GN, Vigod SN, Mehta S, Daskalakis ZJ, Blumberger DM. "A systematic review of non-invasive neurostimulation for the treatment of depression during pregnancy". J Affect Disord 2020; 272:259-268. [PMID: 32553366 DOI: 10.1016/j.jad.2020.03.151] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 02/20/2020] [Accepted: 03/29/2020] [Indexed: 11/18/2022]
Abstract
BACKGROUND Antidepressant use in pregnancy is associated with high levels of decision-making difficulty for patients, and psychotherapy may not be effective for severe symptoms. Alternative treatment options are needed. We conducted a systematic review of the clinical effects and tolerability of non-invasive neurostimulation: repetitive transcranial magnetic stimulation (rTMS), transcranial direct current stimulation (tDCS), transcranial alternating current stimulation (tACS), trigeminal nerve stimulation (TNS), and transcutaneous vagus nerve stimulation (tVNS) for the treatment of antenatal depression. METHODS We searched PubMed, Google Scholar and Scopus for published articles in English (1990 to June 2019). Two reviewers reviewed full-text articles, assessed quality, and extracted data on maternal psychiatric, pregnancy and neonatal outcomes. RESULTS Of 565 articles, 21 met inclusion criteria: two RCTs (1 rTMS; 1 tDCS), four open-label studies (3 rTMS; 1 tDCS), three case series (3 rTMS), and twelve case reports (9 rTMS; 1 tDCS; 1 tACS; 1 TNS). In all but one published study (1 rTMS), non-invasive neurostimulation resulted in either response or remission of antenatal depression. Minor maternal side effects were reported in rTMS and tDCS studies, but not in other modalities. Fetal adverse effects were not reported in any intervention. A small proportion of participants dropped out of treatment (rTMS, tDCS). LIMITATIONS Very few randomized trials have been conducted and there is significant heterogeneity in the parameters of the modalities that have been studied. CONCLUSIONS Non-invasive neurostimulation holds promise as a potentially effective and feasible alternative treatment for antenatal depression. Strategies to enhance recruitment of pregnant women into non-invasive neurostimulation trials that have longitudinal follow-up are needed.
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Affiliation(s)
- Gerasimos N Konstantinou
- Department of Psychiatry, University of Toronto; Temerty Centre for Therapeutic Brain Intervention and Campbell Family Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Simone N Vigod
- Department of Psychiatry, University of Toronto; Women's College Research Institute, Women's College Hospital, Toronto, ON, Canada
| | - Shobha Mehta
- Temerty Centre for Therapeutic Brain Intervention and Campbell Family Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Zafiris J Daskalakis
- Department of Psychiatry, University of Toronto; Temerty Centre for Therapeutic Brain Intervention and Campbell Family Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Daniel M Blumberger
- Department of Psychiatry, University of Toronto; Temerty Centre for Therapeutic Brain Intervention and Campbell Family Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada.
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25
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Razza LB, Palumbo P, Moffa AH, Carvalho AF, Solmi M, Loo CK, Brunoni AR. A systematic review and meta-analysis on the effects of transcranial direct current stimulation in depressive episodes. Depress Anxiety 2020; 37:594-608. [PMID: 32101631 DOI: 10.1002/da.23004] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 01/28/2020] [Accepted: 02/04/2020] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Transcranial direct current stimulation (tDCS) has shown mixed results for depression treatment. OBJECTIVE To perform a systematic review and meta-analysis of trials using tDCS to improve depressive symptoms. METHODS A systematic review was performed from the first date available to January 06, 2020 in PubMed, EMBASE, Cochrane Library, and additional sources. We included randomized, sham-controlled clinical trials (RCTs) enrolling participants with an acute depressive episode and compared the efficacy of active versus sham tDCS, including association with other interventions. The primary outcome was the Hedges' g for continuous depression scores; secondary outcomes included odds ratios (ORs) and number needed to treat (NNT) for response, remission, and acceptability. Random effects models were employed. Sources of heterogeneity were explored via metaregression, sensitivity analyses, subgroup analyses, and bias assessment. RESULTS We included 23 RCTs (25 datasets, 1,092 participants), most (57%) presenting a low risk of bias. Active tDCS was superior to sham regarding endpoint depression scores (k = 25, g = 0.46, 95% confidence interval [CI]: 0.22-0.70), and also achieved superior response (k = 18, 33.3% vs. 16.56%, OR = 2.28 [1.52-3.42], NNT = 6) and remission (k = 18, 19.12% vs. 9.78%, OR = 2.12 [1.42-3.16], NNT = 10.7) rates. Moreover, active tDCS was as acceptable as sham. No risk of publication bias was identified. Cumulative meta-analysis showed that effect sizes are basically unchanged since total sample reached 439 participants. CONCLUSIONS TDCS is modestly effective in treating depressive episodes. Further well-designed, large-scale RCTs are warranted.
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Affiliation(s)
- Lais B Razza
- Laboratory of Neurosciences (LIM-27), Instituto Nacional de Biomarcadores em Neuropsiquiatria (INBioN), Department and Institute of Psychiatry, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil.,Department of Internal Medicine, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Priscila Palumbo
- Laboratory of Neurosciences (LIM-27), Instituto Nacional de Biomarcadores em Neuropsiquiatria (INBioN), Department and Institute of Psychiatry, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil.,Department of Internal Medicine, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Adriano H Moffa
- Black Dog Institute, School of Psychiatry, University of New South Wales, Sydney, New South Wales, Australia
| | - Andre F Carvalho
- Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada.,Centre for Addiction and Mental Health, Toronto, Ontario, Canada
| | - Marco Solmi
- Department of Neurosciences, University of Padova, Padova, Italy.,Padova Neuroscience Center, University of Padova, Padova, Italy
| | - Colleen K Loo
- Black Dog Institute, School of Psychiatry, University of New South Wales, Sydney, New South Wales, Australia
| | - Andre Russowsky Brunoni
- Laboratory of Neurosciences (LIM-27), Instituto Nacional de Biomarcadores em Neuropsiquiatria (INBioN), Department and Institute of Psychiatry, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil.,Department of Internal Medicine, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil.,Hospital Universitário, Universidade de São Paulo, São Paulo, Brazil
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26
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Zhao X, Ding J, Pan H, Zhang S, Pan D, Yu H, Ye Z, Hua T. Anodal and cathodal tDCS modulate neural activity and selectively affect GABA and glutamate syntheses in the visual cortex of cats. J Physiol 2020; 598:3727-3745. [PMID: 32506434 DOI: 10.1113/jp279340] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Accepted: 06/02/2020] [Indexed: 12/13/2022] Open
Abstract
KEY POINTS The present study showed that anodal and cathodal transcranial direct current stimulation (tDCS) can respectively increase and decrease the amplitude of visually evoked field potentials in the stimulated visual cortex of cats, with the effect lasting for ∼60-70 min. We directly measured tDCS-induced changes in the concentration of inhibitory and excitatory neurotransmitters in the visual cortex using the enzyme-linked immunosorbent assay method and showed that anodal and cathodal tDCS can selectively decrease the concentration of GABA and glutamate in the stimulated cortical area. Anodal and cathodal tDCS can selectively inhibit the synthesis of GABA and glutamate by suppressing the expression of GABA- and glutamate-synthesizing enzymes, respectively. ABSTRACT Transcranial direct current stimulation (tDCS) evokes long-lasting neuronal excitability in the target brain region. The underlying neural mechanisms remain poorly understood. The present study examined tDCS-induced alterations in neuronal activities, as well as the concentration and synthesis of GABA and glutamate (GLU), in area 21a (A21a) of cat visual cortex. Our analysis showed that anodal and cathodal tDCS respectively enhanced and suppressed neuronal activities in A21a, as indicated by a significantly increased and decreased amplitude of visually evoked field potentials (VEPs). The tDCS-induced effect lasted for ∼60-70 min. By contrast, sham tDCS had no significant impact on the VEPs in A21a. On the other hand, the concentration of GABA, but not that of GLU, in A21a significantly decreased after anodal tDCS relative to sham tDCS, whereas the concentration of GLU, but not that of GABA, in A21a significantly decreased after cathodal tDCS relative to sham tDCS. Furthermore, the expression of GABA-synthesizing enzymes GAD65 and GAD67 in A21a significantly decreased in terms of both mRNA and protein concentrations after anodal tDCS relative to sham tDCS, whereas that of GLU-synthesizing enzyme glutaminase (GLS) did not change significantly after anodal tDCS. By contrast, both mRNA and protein concentrations of GLS in A21a significantly decreased after cathodal tDCS relative to sham tDCS, whereas those of GAD65/GAD67 showed no significant change after cathodal tDCS. Taken together, these results indicate that anodal and cathodal tDCS may selectively reduce GABA and GLU syntheses and thus respectively enhance and suppress neuronal excitability in the stimulated brain area.
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Affiliation(s)
- Xiaojing Zhao
- College of Life Sciences, Anhui Normal University, Wuhu, Anhui, China
| | - Jian Ding
- College of Life Sciences, Anhui Normal University, Wuhu, Anhui, China
| | - Huijun Pan
- College of Life Sciences, Anhui Normal University, Wuhu, Anhui, China
| | - Shen Zhang
- College of Life Sciences, Anhui Normal University, Wuhu, Anhui, China
| | - Deng Pan
- College of Life Sciences, Anhui Normal University, Wuhu, Anhui, China
| | - Hao Yu
- College of Life Sciences, Anhui Normal University, Wuhu, Anhui, China
| | - Zheng Ye
- College of Life Sciences, Anhui Normal University, Wuhu, Anhui, China
| | - Tianmiao Hua
- College of Life Sciences, Anhui Normal University, Wuhu, Anhui, China
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27
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Zhou Q, Yu C, Yu H, Zhang Y, Liu Z, Hu Z, Yuan TF, Zhou D. The effects of repeated transcranial direct current stimulation on sleep quality and depression symptoms in patients with major depression and insomnia. Sleep Med 2020; 70:17-26. [DOI: 10.1016/j.sleep.2020.02.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 01/30/2020] [Accepted: 02/06/2020] [Indexed: 12/22/2022]
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