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de Mathis MA, Chacon P, Boavista R, de Oliveira MVS, de Barros PMF, Echevarria MAN, Ferrão YA, Vattimo EFDQ, Lopes AC, Torres AR, Diniz JB, Fontenelle L, do Rosário MC, Shavitt RG, da Silva RDMF, Miguel EC, Costa DLDC. Brazilian research consortium on obsessive-compulsive spectrum disorders guidelines for the treatment of adult obsessive-compulsive disorder. Part II: Cognitive-Behavior Therapy treatment. REVISTA BRASILEIRA DE PSIQUIATRIA (SAO PAULO, BRAZIL : 1999) 2023; 45. [PMID: 37718254 PMCID: PMC10894635 DOI: 10.47626/1516-4446-2023-3081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 07/22/2023] [Indexed: 09/19/2023]
Abstract
OBJECTIVE To summarize the evidence-based cognitive-behavioral therapy (CBT) treatment and propose clinical interventions for adult patients with obsessive-compulsive disorder (OCD). METHODS A systematic review of the literature on CBT interventions for the treatment of adult OCD, comprising behavior therapy and exposure and response prevention (ERP) was done. The objective of this study is to present updated clinical guidelines to clinicians, providing comprehensive details regarding the necessary procedures to be incorporated into the CBT protocol. We searched the literature published from 2013-2020 in five databases (PubMed, Cochrane, Embase, Psycinfo and Lilacs), considering: study design, primary outcome measures, type of publication and language. Selected articles were assessed for quality with validated tools. Treatment recommendations were classified according to levels of evidence developed by the American College of Cardiology and the American Heart Association (ACC/AHA). RESULTS We examined 44 new studies used to update the APA guidelines from 2013. High-quality evidence supports CBT including ERP techniques as the first-line CBT treatment for OCD. In addition, protocols for internet-delivered CBT have also demonstrated their efficacy for the treatment of adults with OCD. CONCLUSION CBT based on ERP is a widely used treatment according to high-quality scientific evidence to treat adults with OCD.
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Affiliation(s)
- Maria Alice de Mathis
- Departamento de Psiquiatria, Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
- Consórcio Brasileiro de Pesquisa em Transtornos do Espectro Obsessivo-Compulsivo, São Paulo, SP, Brazil
| | - Priscila Chacon
- Departamento de Psiquiatria, Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Rodrigo Boavista
- Departamento de Psiquiatria, Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Marcos Vinícius Sousa de Oliveira
- Departamento de Psiquiatria, Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Pedro Macul Ferreira de Barros
- Departamento de Psiquiatria, Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Marco Antonio Nocito Echevarria
- Departamento de Psiquiatria, Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Ygor Arzeno Ferrão
- Consórcio Brasileiro de Pesquisa em Transtornos do Espectro Obsessivo-Compulsivo, São Paulo, SP, Brazil
- Departamento de Neurociências Clínicas, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, RS, Brazil
| | - Edoardo Filippo de Queiroz Vattimo
- Departamento de Psiquiatria, Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Antônio Carlos Lopes
- Departamento de Psiquiatria, Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Albina Rodrigues Torres
- Consórcio Brasileiro de Pesquisa em Transtornos do Espectro Obsessivo-Compulsivo, São Paulo, SP, Brazil
- Departamento de Neurologia, Psicologia e Psiquiatria, Faculdade de Medicina – Câmpus de Botucatu, Universidade Estadual Paulista Júlio de Mesquita Filho, Botucatu, SP, Brazil
| | - Juliana Belo Diniz
- Departamento de Psiquiatria, Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
- Consórcio Brasileiro de Pesquisa em Transtornos do Espectro Obsessivo-Compulsivo, São Paulo, SP, Brazil
| | - Leonardo Fontenelle
- Consórcio Brasileiro de Pesquisa em Transtornos do Espectro Obsessivo-Compulsivo, São Paulo, SP, Brazil
- Departamento de Psiquiatria e Medicina Legal, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
- Instituto D’Or de Pesquisa e Ensino, Rio de Janeiro, RJ, Brazil
- Department of Psychiatry, School of Clinical Sciences, Monash University, Melbourne, VIC, Australia
| | - Maria Conceição do Rosário
- Consórcio Brasileiro de Pesquisa em Transtornos do Espectro Obsessivo-Compulsivo, São Paulo, SP, Brazil
- Unidade de Psiquiatria da Infância e Adolescência, Departamento de Psiquiatria, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Roseli Gedanke Shavitt
- Departamento de Psiquiatria, Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
- Consórcio Brasileiro de Pesquisa em Transtornos do Espectro Obsessivo-Compulsivo, São Paulo, SP, Brazil
| | - Renata de Melo Felipe da Silva
- Departamento de Psiquiatria, Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Eurípedes Constantino Miguel
- Departamento de Psiquiatria, Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
- Consórcio Brasileiro de Pesquisa em Transtornos do Espectro Obsessivo-Compulsivo, São Paulo, SP, Brazil
| | - Daniel Lucas da Conceição Costa
- Departamento de Psiquiatria, Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
- Consórcio Brasileiro de Pesquisa em Transtornos do Espectro Obsessivo-Compulsivo, São Paulo, SP, Brazil
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Fineberg NA, Cinosi E, Smith MVA, Busby AD, Wellsted D, Huneke NTM, Garg K, Aslan IH, Enara A, Garner M, Gordon R, Hall N, Meron D, Robbins TW, Wyatt S, Pellegrini L, Baldwin DS. Feasibility, acceptability and practicality of transcranial stimulation in obsessive compulsive symptoms (FEATSOCS): A randomised controlled crossover trial. Compr Psychiatry 2023; 122:152371. [PMID: 36709558 DOI: 10.1016/j.comppsych.2023.152371] [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: 11/14/2022] [Revised: 01/20/2023] [Accepted: 01/24/2023] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND Transcranial direct current stimulation (tDCS) is a non-invasive form of neurostimulation with potential for development as a self-administered intervention. It has shown promise as a safe and effective treatment for obsessive compulsive disorder (OCD) in a small number of studies. The two most favourable stimulation targets appear to be the left orbitofrontal cortex (L-OFC) and the supplementary motor area (SMA). We report the first study to test these targets head-to-head within a randomised sham-controlled trial. Our aim was to inform the design of future clinical research studies, by focussing on the acceptability and safety of the intervention, feasibility of recruitment, adherence to and tolerability of tDCS, and the size of any treatment-effect. METHODS FEATSOCS was a randomised, double-blind, sham-controlled, cross-over, multicentre study. Twenty adults with DSM-5-defined OCD were randomised to treatment, comprising three courses of clinic-based tDCS (SMA, L-OFC, Sham), randomly allocated and delivered in counterbalanced order. Each course comprised four 20-min 2 mA stimulations, delivered over two consecutive days, separated by a 'washout' period of at least four weeks. Assessments were carried out by raters who were blind to stimulation-type. Clinical outcomes were assessed before, during, and up to four weeks after stimulation. Patient representatives with lived experience of OCD were actively involved at all stages. RESULTS Clinicians showed willingness to recruit participants and recruitment to target was achieved. Adherence to treatment and study interventions was generally good, with only two dropouts. There were no serious adverse events, and adverse effects which did occur were transient and mostly mild in intensity. Yale-Brown Obsessive-Compulsive Scale (Y-BOCS) scores were numerically improved from baseline to 24 h after the final stimulation across all intervention groups but tended to worsen thereafter. The greatest effect size was seen in the L-OFC arm, (Cohen's d = -0.5 [95% CI -1.2 to 0.2] versus Sham), suggesting this stimulation site should be pursued in further studies. Additional significant sham referenced improvements in secondary outcomes occurred in the L-OFC arm, and to a lesser extent with SMA stimulation. CONCLUSIONS tDCS was acceptable, practicable to apply, well-tolerated and appears a promising potential treatment for OCD. The L-OFC represents the most promising target based on clinical changes, though the effects on OCD symptoms were not statistically significant compared to sham. SMA stimulation showed lesser signs of promise. Further investigation of tDCS in OCD is warranted, to determine the optimal stimulation protocol (current, frequency, duration), longer-term effectiveness and brain-based mechanisms of effect. If efficacy is substantiated, consideration of home-based approaches represents a rational next step. TRIAL REGISTRATION ISRCTN17937049. https://doi.org/10.1186/ISRCTN17937049.
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Affiliation(s)
- Naomi A Fineberg
- Hertfordshire Partnership NHS University Foundation Trust, Highly Specialised OCD and BDD Service, Rosanne House, Parkway, Welwyn Garden City, Hertfordshire, UK; School of Life and Medical Sciences, University of Hertfordshire, Hatfield, Hertfordshire, UK; Clinical Medical School, University of Cambridge, UK
| | - Eduardo Cinosi
- Hertfordshire Partnership NHS University Foundation Trust, Highly Specialised OCD and BDD Service, Rosanne House, Parkway, Welwyn Garden City, Hertfordshire, UK; School of Life and Medical Sciences, University of Hertfordshire, Hatfield, Hertfordshire, UK
| | - Megan V A Smith
- School of Life and Medical Sciences, University of Hertfordshire, Hatfield, Hertfordshire, UK.
| | - Amanda D Busby
- School of Life and Medical Sciences, University of Hertfordshire, Hatfield, Hertfordshire, UK
| | - David Wellsted
- School of Life and Medical Sciences, University of Hertfordshire, Hatfield, Hertfordshire, UK
| | - Nathan T M Huneke
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK; Southern Health NHS Foundation Trust, Tatchbury Mount, Southampton, UK
| | - Kabir Garg
- The Lishman Unit, South London and Maudsley NHS Foundation Trust, UK
| | - Ibrahim H Aslan
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
| | - Arun Enara
- Camden and Islington NHS Foundation Trust, London, UK
| | - Matthew Garner
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK; School of Psychology, University of Southampton, Southampton, UK
| | - Robert Gordon
- Southern Health NHS Foundation Trust, Tatchbury Mount, Southampton, UK
| | - Natalie Hall
- School of Life and Medical Sciences, University of Hertfordshire, Hatfield, Hertfordshire, UK
| | - Daniel Meron
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK; Somerset NHS Foundation Trust, Taunton, Somerset, UK
| | | | - Solange Wyatt
- School of Life and Medical Sciences, University of Hertfordshire, Hatfield, Hertfordshire, UK
| | - Luca Pellegrini
- Hertfordshire Partnership NHS University Foundation Trust, Highly Specialised OCD and BDD Service, Rosanne House, Parkway, Welwyn Garden City, Hertfordshire, UK; School of Life and Medical Sciences, University of Hertfordshire, Hatfield, Hertfordshire, UK
| | - David S Baldwin
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK; Southern Health NHS Foundation Trust, Tatchbury Mount, Southampton, UK; University Department of Psychiatry and Mental Health, University of Cape Town, South Africa
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Adams TG, Cisler JM, Kelmendi B, George JR, Kichuk SA, Averill CL, Anticevic A, Abdallah CG, Pittenger C. Transcranial direct current stimulation targeting the medial prefrontal cortex modulates functional connectivity and enhances safety learning in obsessive-compulsive disorder: Results from two pilot studies. Depress Anxiety 2022; 39:37-48. [PMID: 34464485 PMCID: PMC8732293 DOI: 10.1002/da.23212] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 06/29/2021] [Accepted: 07/09/2021] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Exposed-based psychotherapy is a mainstay of treatment for obsessive-compulsive disorder (OCD) and anxious psychopathology. The medial prefrontal cortex (mPFC) and the default mode network (DMN), which is anchored by the mPFC, promote safety learning. Neuromodulation targeting the mPFC might augment therapeutic safety learning and enhance response to exposure-based therapies. METHODS To characterize the effects of mPFC neuromodulation on functional connectivity, 17 community volunteers completed resting-state functional magnetic resonance imaging scans before and after 20 min of frontopolar anodal multifocal transcranial direct current stimulation (tDCS). To examine the effects of tDCS on therapeutic safety learning, 24 patients with OCD completed a pilot randomized clinical trial; they were randomly assigned (double-blind, 50:50) to receive active or sham frontopolar tDCS before completing an in vivo exposure and response prevention (ERP) challenge. Changes in subjective emotional distress during the ERP challenge were used to index therapeutic safety learning. RESULTS In community volunteers, frontal pole functional connectivity with the middle and superior frontal gyri increased, while connectivity with the anterior insula and basal ganglia decreased (ps < .001, corrected) after tDCS; functional connectivity between DMN and salience network also decreased after tDCS (ps < .001, corrected). OCD patients who received active tDCS exhibited more rapid therapeutic safety learning (ps < .05) during the ERP challenge than patients who received sham tDCS. CONCLUSIONS Frontopolar tDCS may modulate mPFC and DMN functional connectivity and can accelerate therapeutic safety learning. Though limited by small samples, these findings motivate further exploration of the effects of frontopolar tDCS on neural and behavioral targets associated with exposure-based psychotherapies.
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Affiliation(s)
- Thomas G Adams
- Department of Psychology, University of Kentucky, Lexington, Kentucky, USA
- Department of Psychiatry, School of Medicine, Yale University, New Haven, Connecticut, USA
- Clinical Neuroscience Division of the National Center for PTSD, West Haven VA Medical Center, Yale University, New Haven, Connecticut, USA
| | - Josh M Cisler
- Department of Psychiatry, University of Wisconsin, Madison, Wisconsin, USA
- Department of Psychiatry & Behavioral Sciences, Dell Medical School, University of Texas, Austin, Texas, USA
| | - Benjamin Kelmendi
- Department of Psychiatry, School of Medicine, Yale University, New Haven, Connecticut, USA
- Clinical Neuroscience Division of the National Center for PTSD, West Haven VA Medical Center, Yale University, New Haven, Connecticut, USA
| | - Jamilah R George
- Department of Psychiatry, School of Medicine, Yale University, New Haven, Connecticut, USA
- Department of Psychological Sciences, University of Connecticut, Mansfield, Connecticut, USA
| | - Stephen A Kichuk
- Department of Psychiatry, School of Medicine, Yale University, New Haven, Connecticut, USA
| | - Christopher L Averill
- Department of Psychiatry, School of Medicine, Yale University, New Haven, Connecticut, USA
- Clinical Neuroscience Division of the National Center for PTSD, West Haven VA Medical Center, Yale University, New Haven, Connecticut, USA
- Michael E. DeBakey VA Medical Center, Houston, Texas, USA
- Menninger Department of Psychiatry, Baylor College of Medicine, Houston, Texas, USA
| | - Alan Anticevic
- Department of Psychiatry, School of Medicine, Yale University, New Haven, Connecticut, USA
| | - Chadi G Abdallah
- Department of Psychiatry, School of Medicine, Yale University, New Haven, Connecticut, USA
- Clinical Neuroscience Division of the National Center for PTSD, West Haven VA Medical Center, Yale University, New Haven, Connecticut, USA
- Michael E. DeBakey VA Medical Center, Houston, Texas, USA
- Menninger Department of Psychiatry, Baylor College of Medicine, Houston, Texas, USA
| | - Christopher Pittenger
- Department of Psychiatry, School of Medicine, Yale University, New Haven, Connecticut, USA
- Child Study Center, Yale University, New Haven, Connecticut, USA
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4
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Cinosi E, Adam D, Aslan I, Baldwin D, Chillingsworth K, Enara A, Gale T, Garg K, Garner M, Gordon R, Hall N, Huneke NTM, Kucukterzi-Ali S, McCarthy J, Meron D, Monji-Patel D, Mooney R, Robbins T, Smith M, Sireau N, Wellsted D, Wyatt S, Fineberg NA. Feasibility and acceptability of transcranial stimulation in obsessive-compulsive symptoms (FEATSOCS): study protocol for a randomised controlled trial of transcranial direct current stimulation (tDCS) in obsessive-compulsive disorder (OCD). Pilot Feasibility Stud 2021; 7:213. [PMID: 34872621 PMCID: PMC8646008 DOI: 10.1186/s40814-021-00945-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 11/01/2021] [Indexed: 11/30/2022] Open
Abstract
Background Obsessive–compulsive disorder (OCD) is a neuropsychiatric disorder which often proves refractory to current treatment approaches. Transcranial direct current stimulation (tDCS), a noninvasive form of neurostimulation, with potential for development as a self-administered intervention, has shown potential as a safe and efficacious treatment for OCD in a small number of trials. The two most promising stimulation sites are located above the orbitofrontal cortex (OFC) and the supplementary motor area (SMA). Methods The aim of this feasibility study is to inform the development of a definitive trial, focussing on the acceptability, safety of the intervention, feasibility of recruitment, adherence and tolerability to tDCS and study assessments and the size of the treatment effect. To this end, we will deliver a double-blind, sham-controlled, crossover randomised multicentre study in 25 adults with OCD. Each participant will receive three courses of tDCS (SMA, OFC and sham), randomly allocated and given in counterbalanced order. Each course comprises four 20-min stimulations, delivered over two consecutive days, separated by at least 4 weeks’ washout period. We will collect information about recruitment, study conduct and tDCS delivery. Blinded raters will assess clinical outcomes before, during and up to 4 weeks after stimulation using validated scales. We will include relevant objective neurocognitive tasks, testing cognitive flexibility, motor disinhibition, cooperation and habit learning. Discussion We will analyse the magnitude of the effect of the interventions on OCD symptoms alongside the standard deviation of the outcome measure, to estimate effect size and determine the optimal stimulation target. We will also measure the duration of the effect of stimulation, to provide information on spacing treatments efficiently. We will evaluate the usefulness and limitations of specific neurocognitive tests to determine a definitive test battery. Additionally, qualitative data will be collected from participants to better understand their experience of taking part in a tDCS intervention, as well as the impact on their overall quality of life. These clinical outcomes will enable the project team to further refine the methodology to ensure optimal efficiency in terms of both delivering and assessing the treatment in a full-scale trial. Trial registration ISRCTN17937049. (date applied 08/07/2019). Recruitment (ongoing) began 23rd July 2019 and is anticipated to complete 30th April 2021.
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Affiliation(s)
- Eduardo Cinosi
- Highly Specialised OCD and BDD Service, Hertfordshire Partnership NHS University Foundation Trust, Rosanne House, Parkway, Welwyn Garden City, Hertfordshire, UK. .,University of Hertfordshire, Hertfordshire, UK.
| | - David Adam
- ORCHARD-Advancing Global OCD Research Charity, Cambridge, UK
| | - Ibrahim Aslan
- Faculty of Medicine, Clinical and Experimental Sciences (CNS and Psychiatry), University of Southampton, Southampton, UK
| | - David Baldwin
- Faculty of Medicine, Clinical and Experimental Sciences (CNS and Psychiatry), University of Southampton, Southampton, UK
| | - Kieran Chillingsworth
- Faculty of Medicine, Clinical and Experimental Sciences (CNS and Psychiatry), University of Southampton, Southampton, UK
| | - Arun Enara
- Highly Specialised OCD and BDD Service, Hertfordshire Partnership NHS University Foundation Trust, Rosanne House, Parkway, Welwyn Garden City, Hertfordshire, UK
| | - Tim Gale
- Highly Specialised OCD and BDD Service, Hertfordshire Partnership NHS University Foundation Trust, Rosanne House, Parkway, Welwyn Garden City, Hertfordshire, UK.,University of Hertfordshire, Hertfordshire, UK
| | - Kabir Garg
- Highly Specialised OCD and BDD Service, Hertfordshire Partnership NHS University Foundation Trust, Rosanne House, Parkway, Welwyn Garden City, Hertfordshire, UK
| | - Matthew Garner
- Faculty of Medicine, Clinical and Experimental Sciences (CNS and Psychiatry), University of Southampton, Southampton, UK
| | - Robert Gordon
- Southern Health NHS Foundation Trust, Southampton, UK
| | | | - Nathan T M Huneke
- Faculty of Medicine, Clinical and Experimental Sciences (CNS and Psychiatry), University of Southampton, Southampton, UK.,Southern Health NHS Foundation Trust, Southampton, UK
| | - Sonay Kucukterzi-Ali
- Highly Specialised OCD and BDD Service, Hertfordshire Partnership NHS University Foundation Trust, Rosanne House, Parkway, Welwyn Garden City, Hertfordshire, UK.,University of Hertfordshire, Hertfordshire, UK
| | | | - Daniel Meron
- Faculty of Medicine, Clinical and Experimental Sciences (CNS and Psychiatry), University of Southampton, Southampton, UK.,Somerset NHS Foundation Trust, Taunton, UK
| | - Deela Monji-Patel
- Highly Specialised OCD and BDD Service, Hertfordshire Partnership NHS University Foundation Trust, Rosanne House, Parkway, Welwyn Garden City, Hertfordshire, UK.,University of Hertfordshire, Hertfordshire, UK
| | | | - Trevor Robbins
- Department of Psychology, Behavioural and Clinical Neuroscience Institute, University of Cambridge, Cambridge, UK
| | - Megan Smith
- University of Hertfordshire, Hertfordshire, UK
| | - Nick Sireau
- ORCHARD-Advancing Global OCD Research Charity, Cambridge, UK
| | | | | | - Naomi A Fineberg
- Highly Specialised OCD and BDD Service, Hertfordshire Partnership NHS University Foundation Trust, Rosanne House, Parkway, Welwyn Garden City, Hertfordshire, UK.,University of Hertfordshire, Hertfordshire, UK.,Department of Psychology, Behavioural and Clinical Neuroscience Institute, University of Cambridge, Cambridge, UK
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