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https://www.readbyqxmd.com/read/28617566/randomized-double-blind-placebo-controlled-trial-of-n-acetylcysteine-augmentation-for-treatment-resistant-obsessive-compulsive-disorder
#1
Daniel L C Costa, Juliana B Diniz, Guaraci Requena, Marinês A Joaquim, Christopher Pittenger, Michael H Bloch, Euripedes C Miguel, Roseli G Shavitt
OBJECTIVE: To evaluate the efficacy of serotonin reuptake inhibitor (SRI) augmentation with N-acetylcysteine (NAC), a glutamate modulator and antioxidant medication, for treatment-resistant obsessive-compulsive disorder (OCD). METHODS: We conducted a randomized, double-blind, placebo-controlled, 16-week trial of NAC (3,000 mg daily) in adults (aged 18-65 years) with treatment-resistant OCD, established according to DSM-IV criteria. Forty subjects were recruited at an OCD-specialized outpatient clinic at a tertiary hospital (May 2012-October 2014)...
June 6, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28601668/developmental-and-clinical-predictors-of-comorbidity-for-youth-with-obsessive-compulsive-disorder
#2
Tara S Peris, Michelle Rozenman, R Lindsey Bergman, Susanna Chang, Joseph O'Neill, John Piacentini
OBJECTIVE: To date, few studies of childhood obsessive compulsive disorder (OCD) have been adequately powered to examine patterns and predictors of comorbidity, despite the frequency with which it occurs. We address this gap, drawing on a large sample of youth with OCD who were systematically assessed through research and clinical programs in a university-based specialty program for children and adolescents with OCD. We examine patterns of comorbidity across different epochs of development and predict specific classes of OCD (comorbidity internalizing/externalizing/both) from key demographic and clinical variables that may be useful in guiding individualized treatment...
October 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28565937/app-guided-exposure-and-response-prevention-for-obsessive-compulsive-disorder-an-open-pilot-trial
#3
Christina L Boisseau, Carly M Schwartzman, Jessica Lawton, Maria C Mancebo
Although effective treatments for obsessive-compulsive disorder (OCD) exist, there are significant barriers to receiving evidence-based care. Mobile health applications (Apps) offer a promising way of overcoming these barriers by increasing access to treatment. The current study investigated the feasibility, acceptability, and preliminary efficacy of LiveOCDFree, an App designed to help OCD patients conduct exposure and response prevention (ERP). Twenty-one participants with mild to moderate symptoms of OCD were enrolled in a 12-week open trial of App-guided self-help ERP...
June 1, 2017: Cognitive Behaviour Therapy
https://www.readbyqxmd.com/read/28553250/yes-the-symptoms-of-ocd-and-depression-are-discrete-and-not-exclusively-negative-affectivity
#4
Kathleen A Moore, Jacqui Howell
Although Obsessive-Compulsive Disorder (OCD) and Depression are classified as separate disorders, the high incidence of co-morbidity and the strong correlations between measures of each has led to debate about the nature of their relationship. Some authors have proposed that OCD is in fact a mood disorder while others have suggested that the two disorders are grounded in negative affectivity. A third proposition is that depression is an essential part of OCD but that OCD is a separate disorder from depression...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28549337/the-relation-of-childhood-trauma-to-suicide-ideation-in-patients-suffering-from-obsessive-compulsive-disorder-with-lifetime-suicide-attempts
#5
Vahid Khosravani, Zoleikha Kamali, Razieh Jamaati Ardakani, Mehdi Samimi Ardestani
The aim of this study was to evaluate the relations of childhood trauma (CT) and obsessive-compulsive (OC) symptom dimensions to suicide ideation in patients with obsessive-compulsive disorder (OCD). Seventy OCD outpatients with lifetime suicide attempts and 60 controls were included. Participants completed the Scale for Suicide Ideation (SSI), the Childhood Trauma Questionnaire-Short Form (CTQ-SF), the Yale-Brown Obsessive Compulsive Scale (Y-BOCS), the Dimensional Obsessive-Compulsive Scale (DOCS) and the Depression Anxiety Stress Scales (DASS-21)...
May 20, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28545012/the-long-term-association-of-ocd-and-depression-and-its-moderators-a-four-year-follow-up-study-in-a-large-clinical-sample
#6
L Tibi, P van Oppen, A J L M van Balkom, M Eikelenboom, J Rickelt, K R J Schruers, G E Anholt
BACKGROUND: Depression is the most common comorbidity in obsessive-compulsive disorder (OCD). However, the mechanisms of depressive comorbidity in OCD are poorly understood. We assessed the directionality and moderators of the OCD-depression association over time in a large, prospective clinical sample of OCD patients. METHODS: Data were drawn from 382 OCD patients participating at the Netherlands Obsessive-Compulsive Disorder Association (NOCDA) study. Cross-lagged, structural equation modeling analyses were used to assess the temporal association between OCD and depressive symptoms...
April 7, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28543920/uncertainty-increases-neural-indices-of-attention-in-obsessive-compulsive-disorder
#7
Raoul Dieterich, Tanja Endrass, Norbert Kathmann
BACKGROUND: Patients with obsessive-compulsive disorder (OCD) experience abnormally high levels of uncertainty, and unpredictability is evaluated negatively and not well tolerated. The current study examined neural correlates of attentional processing in response to experimentally induced uncertainty in OCD. METHODS: Twenty-four OCD patients and 24 healthy controls performed a task where neutral and negative pictures were preceded by a cue, either being predictive (certain condition) or nonpredictive (uncertain condition) of subsequent picture valence...
May 25, 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/28512441/mapping-the-paths-from-styles-of-anger-experience-and-expression-to-obsessive-compulsive-symptoms-the-moderating-roles-of-family-cohesion-and-adaptability
#8
Liang Liu, Cuilian Liu, Xudong Zhao
Previous research has shown strong connections of anger experience and expression with obsessive-compulsive (OC) symptoms. Additionally, studies have demonstrated links between family environment variables and obsessive-compulsive disorder (OCD). Our study aims to integrate the perspectives from these two literatures by exploring the moderating roles of family cohesion and family adaptability in the relationship between anger proneness and suppression and OCD symptoms. A total of 2008 college students were recruited from a comprehensive university in Shanghai, China between February and May 2016...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28505489/anxiety-sensitivity-as-a-predictor-of-outcome-in-the-treatment-of-obsessive-compulsive-disorder
#9
Shannon M Blakey, Jonathan S Abramowitz, Lillian Reuman, Rachel C Leonard, Bradley C Riemann
BACKGROUND AND OBJECTIVES: To address the fact that not all individuals who receive cognitive-behavioral therapy (CBT) for obsessive-compulsive disorder (OCD) exhibit complete symptom reduction, research has examined factors that predict outcome; however, no studies have examined anxiety sensitivity (AS) as a predictor of outcome of CBT for OCD. AS refers to the fear of anxious arousal that results from mistaken beliefs about the dangerousness of anxiety-related body sensations. It is important to understand whether AS influences OCD treatment outcome, considering that (a) some obsessions directly relate to AS, and (b) OCD patients with high AS may be reluctant to engage in anxiety-provoking components of CBT for OCD...
May 6, 2017: Journal of Behavior Therapy and Experimental Psychiatry
https://www.readbyqxmd.com/read/28499570/the-obsessive-compulsive-inventory-child-version-oci-cv-further-evidence-on-confirmatory-factor-analytic-structure-incremental-and-criterion-validity-in-italian-community-children-and-adolescents
#10
Andrea Pozza, Barbara Barcaccia, Davide Dèttore
Obsessive Compulsive Inventory-Child Version (OCI-CV) assesses six dimensions of OCD symptoms in childhood and adolescence. The current study used confirmatory methods to assess factor structure and reliability of the Italian OCI-CV in community children and adolescents. 1408 community children and adolescents completed the OCI-CV and a subgroup (n=855) completed measures of other anxiety and depression symptoms. A six correlated factor structure showed good fit. Reliability was excellent for total OCI-CV and for the other scales ranged from good to acceptable...
June 2017: Archives of Psychiatric Nursing
https://www.readbyqxmd.com/read/28496402/cortico-striatal-thalamic-loop-circuits-of-the-orbitofrontal-cortex-promising-therapeutic-targets-in-psychiatric-illness
#11
REVIEW
Peter Fettes, Laura Schulze, Jonathan Downar
Corticostriatal circuits through the orbitofrontal cortex (OFC) play key roles in complex human behaviors such as evaluation, affect regulation and reward-based decision-making. Importantly, the medial and lateral OFC (mOFC and lOFC) circuits have functionally and anatomically distinct connectivity profiles which differentially contribute to the various aspects of goal-directed behavior. OFC corticostriatal circuits have been consistently implicated across a wide range of psychiatric disorders, including major depressive disorder (MDD), obsessive compulsive disorder (OCD), and substance use disorders (SUDs)...
2017: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/28481032/volitional-saccade-performance-in-a-large-sample-of-patients-with-obsessive-compulsive-disorder-and-unaffected-first-degree-relatives
#12
Katharina Bey, Lisa Kloft, Leonhard Lennertz, Rosa Grützmann, Stephan Heinzel, Christian Kaufmann, Julia Klawohn, Anja Riesel, Inga Meyhöfer, Norbert Kathmann, Michael Wagner
Recent evidence indicates that patients with obsessive-compulsive disorder (OCD) as well as their unaffected first-degree relatives show deficits in the volitional control of saccades, suggesting that volitional saccade performance may constitute an endophenotype of OCD. Here, we aimed to replicate and extend these findings in a large, independent sample. One hundred and fifteen patients with OCD, 103 healthy comparison subjects without a family history of OCD, and 31 unaffected first-degree relatives of OCD patients were examined using structured clinical interviews and performed a volitional saccade task as well as a prosaccade task...
May 8, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28471212/hierarchical-structure-of-emotional-disorders-from-individual-symptoms-to-the-spectrum
#13
Monika A Waszczuk, Roman Kotov, Camilo Ruggero, Wakiza Gamez, David Watson
Classification of emotional disorders faces challenges of within-disorder heterogeneity and between-disorder comorbidity. The current study addressed these issues by analyzing all emotional disorder symptoms to identify homogeneous dimensions that characterize this domain. These dimensions were, in turn, used to define coherent syndromes and higher order factors. All of the emotional disorder symptoms specified in diagnostic manuals were assessed by interview in 2 treatment-seeking samples (N = 426 and 305), alongside clinical diagnoses and functioning measures...
May 4, 2017: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/28453999/symptoms-of-obsessive-compulsive-disorder-predict-cannabis-misuse
#14
Alexander Spradlin, Dakota Mauzay, Carrie Cuttler
INTRODUCTION: Cannabis use has been linked to many psychological disorders. There is, however, a paucity of research investigating the link between cannabis use and obsessive-compulsive disorder (OCD). The present study sought to examine this link by exploring associations between severity of OCD symptoms, cannabis use, and cannabis misuse; determining whether these associations exist above and beyond symptoms of anxiety, depression, and stress; and testing the mediating role of cannabis coping motives (i...
March 31, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28433854/comorbidity-age-of-onset-and-suicidality-in-obsessive-compulsive-disorder-ocd-an-international-collaboration
#15
V Brakoulias, V Starcevic, A Belloch, C Brown, Y A Ferrao, L F Fontenelle, C Lochner, D Marazziti, H Matsunaga, E C Miguel, Y C J Reddy, M C do Rosario, R G Shavitt, A Shyam Sundar, D J Stein, A R Torres, K Viswasam
OBJECTIVES: To collate data from multiple obsessive-compulsive disorder (OCD) treatment centers across seven countries and five continents, and to report findings in relation to OCD comorbidity, age of onset of OCD and comorbid disorders, and suicidality, in a large clinical and ethnically diverse sample, with the aim of investigating cultural variation and the utility of the psychiatric diagnostic classification of obsessive-compulsive and related disorders. METHODS: Researchers in the field of OCD were invited to contribute summary statistics on current and lifetime psychiatric comorbidity, age of onset of OCD and comorbid disorders and suicidality in their patients with OCD...
July 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28412602/secondary-outcomes-from-the-pediatric-obsessive-compulsive-disorder-treatment-study-ii
#16
Christine A Conelea, Robert R Selles, Kristen G Benito, Michael M Walther, Jason T Machan, Abbe M Garcia, Jeffrey Sapyta, Sarah Morris, Martin Franklin, Jennifer B Freeman
The Pediatric Obsessive-Compulsive Disorder Treatment Study II (POTS II) investigated the benefit of serotonin reuptake inhibitor (SRI) augmentation with cognitive behavioral therapy (CBT). Primary outcomes focused on OCD symptom change and indicated benefit associated with a full course of CBT. Given that the majority of youth with OCD suffer from significant comorbid symptoms and impaired quality of life, the current study examined POTS II data for effects on secondary outcomes. Participants were 124 youth ages 7-17 years with a primary diagnosis of OCD who were partial responders to an adequate SRI trial...
April 7, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28386221/deep-brain-stimulation-of-the-nucleus-accumbens-core-affects-trait-impulsivity-in-a-baseline-dependent-manner
#17
Maria C Schippers, Bastiaan Bruinsma, Mathijs Gaastra, Tanja I Mesman, Damiaan Denys, Taco J De Vries, Tommy Pattij
Deep brain stimulation (DBS) of the nucleus accumbens (NA) is explored as a treatment for refractory psychiatric disorders, such as obsessive-compulsive disorder (OCD), depressive disorder (MDD), and substance use disorder (SUD). A common feature of some of these disorders is pathological impulsivity. Here, the effects of NAcore DBS on impulsive choice and impulsive action, two distinct forms of impulsive behavior, were investigated in translational animal tasks, the delayed reward task (DRT) and five-choice serial reaction time task (5-CSRTT), respectively...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28381420/continuum-beliefs-and-stigmatising-beliefs-about-mental-illness-results-from-an-asian-community-survey
#18
Mythily Subramaniam, Edimansyah Abdin, Louisa Picco, Shazana Shahwan, Anitha Jeyagurunathan, Janhavi Ajit Vaingankar, Siow Ann Chong
OBJECTIVES: To establish the prevalence and correlates of continuum beliefs for five mental illnesses in a multiethnic population and to explore its association with stigma. DESIGN: A community-based, cross-sectional study. SETTING: A national study in a multiethnic Asian country. PARTICIPANTS: A comprehensive study of 3006 Singapore residents (Singapore citizens and permanent residents) aged 18-65 years who were living in Singapore at the time of the survey...
April 5, 2017: BMJ Open
https://www.readbyqxmd.com/read/28375061/novel-biotherapies-are-needed-in-youth-mental-health
#19
G Paul Amminger, Maximus Berger, Simon M Rice, Christopher G Davey, Miriam R Schäfer, Patrick D McGorry
Adverse effects and lack of efficacy in a significant number of patients limit pharmaceutical interventions in youth psychiatry. This is exemplified by the fact that no medication is currently approved for the treatment of non-OCD anxiety disorders or major depressive disorder in young people younger than 18 years of age in Australia. Here, emerging biological therapies for youth with mental health problems are discussed. There is an urgent need for more research into biological interventions with acceptable risk-benefit balances...
April 2017: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
https://www.readbyqxmd.com/read/28373849/deep-brain-stimulation-in-anorexia-nervosa-hope-for-the-hopeless-or-exploitation-of-the-vulnerable-the-oxford-neuroethics-gold-standard-framework
#20
Rebecca J Park, Ilina Singh, Alexandra C Pike, Jacinta O A Tan
Neurosurgical interventions for psychiatric disorders have a long and troubled history (1, 2) but have become much more refined in the last few decades due to the rapid development of neuroimaging and robotic technologies (2). These advances have enabled the design of less invasive techniques, which are more focused, such as deep brain stimulation (DBS) (3). DBS involves electrode insertion into specific neural targets implicated in pathological behavior, which are then repeatedly stimulated at adjustable frequencies...
2017: Frontiers in Psychiatry
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