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https://www.readbyqxmd.com/read/28231635/in-vivo-structural-imaging-in-rats-reveals-neuroanatomical-correlates-of-behavioral-sub-dimensions-of-cocaine-addiction
#1
Nazzareno Cannella, Alejandro Cosa-Linan, Elena Büchler, Claudia Falfan-Melgoza, Wolfgang Weber-Fahr, Rainer Spanagel
Cocaine addiction is a multi-dimensional behavioral disorder characterized by a loss of control over cocaine taking despite of detrimental consequences. Structural MRI studies have revealed association between cocaine consumption and gray matter volume (GMV) in cocaine-addicted patients. However, the behavioral correlates of GMV in cocaine addiction are poorly understood. Here, we used a DSM-IV-based rat model of cocaine addiction with high face validity for structural imaging. According to three behavioral sub-dimensions of addiction, rats were separated into two groups showing either addict-like or non-addict-like behavior...
February 23, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28212507/higher-severity-of-cocaine-addiction-is-associated-with-tactile-and-somatic-hallucinations
#2
C Roncero, L Grau-López, R F Palma-Álvarez, L Rodriguez-Cintas, E Ros-Cucurull, A Esojo, C Daigre
BACKGROUND: The aim of this study is to describe the features of cocaine-dependent patients who have had cocaine-induced tactile/somatic hallucinations (CITSH), and to analyze the association with addiction-related variables and psychiatric comorbidity, comparing patients with CITSH, patients with cocaine psychotic symptoms (CIP) and no CITSH, and patients without any psychotic symptom. METHOD: A cross-sectional study was conducted in 767 cocaine-dependent patients in an outpatient treatment center for addictions...
December 1, 2016: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28202303/association-between-substance-use-diagnoses-and-psychiatric-disorders-in%C3%A2-an-adolescent-and-young-adult-clinic-based-population
#3
Justine Wittenauer Welsh, John R Knight, Sherry Shu-Yeu Hou, Monica Malowney, Patricia Schram, Lon Sherritt, J Wesley Boyd
PURPOSE: Adolescents with substance use disorders are more likely to have a current psychiatric disorder. However, when compared with the adult literature, there is relatively limited information regarding the specific co-occurrence of certain mental health diagnoses and substance use disorders in adolescents. The objectives of this study were to build on the previous literature regarding mental health diagnoses and different types of substance use disorders in adolescents, as well as explore the differences, if any, between groupings of mental health diagnosis and type of substance used...
February 12, 2017: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/28194001/enhancing-vta-cav1-3-l-type-ca-2-channel-activity-promotes-cocaine-and-mood-related-behaviors-via-overlapping-ampa-receptor-mechanisms-in-the-nucleus-accumbens
#4
A Martínez-Rivera, J Hao, T F Tropea, T P Giordano, M Kosovsky, R C Rice, A Lee, R L Huganir, J Striessnig, N A Addy, S Han, A M Rajadhyaksha
Genetic factors significantly influence susceptibility for substance abuse and mood disorders. Rodent studies have begun to elucidate a role of Cav1.3 L-type Ca(2+) channels in neuropsychiatric-related behaviors, such as addictive and depressive-like behaviors. Human studies have also linked the CACNA1D gene, which codes for the Cav1.3 protein, with bipolar disorder. However, the neurocircuitry and the molecular mechanisms underlying the role of Cav1.3 in neuropsychiatric phenotypes are not well established...
February 14, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28192722/a-preliminary-longitudinal-study-of-white-matter-alteration-in-cocaine-use-disorder-subjects
#5
Liangsuo Ma, Joel L Steinberg, Qin Wang, Joy M Schmitz, Edward L Boone, Ponnada A Narayana, F Gerard Moeller
BACKGROUND: Previous diffusion tensor imaging (DTI) studies have consistently shown that subjects with cocaine use disorder (CocUD) had altered white matter microstructure in the corpus callosum. It is believed that these alterations are due to preexisting factors, chronic cocaine use, or both. However, there is no published longitudinal DTI study on human cocaine users yet which could shed light on the relationship between cocaine use and DTI findings. METHODS: This study used a longitudinal design and DTI to test if the white matter microstructure shows quicker alteration in CocUD subjects than controls...
January 30, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28182448/when-alcohol-is-only-part-of-the-problem-an-event-level-analysis-of-negative-consequences-related-to-alcohol-and-other-substance-use
#6
Kimberly A Mallett, Rob Turrisi, Brittney A Hultgren, Nichole Sell, Racheal Reavy, Michael Cleveland
While alcohol remains the drug of choice for most college students, national data show that 40% of college students also use other substances (e.g., marijuana, cocaine, etc.). Longitudinal studies indicate that students who report use of both alcohol and other substances experience more consequences (e.g., blackout, arrests). The current study expands upon this research by using a multilevel approach to examine average and event-level alcohol combined with other substance use (ALC+) and its role on consequences experienced...
February 9, 2017: Psychology of Addictive Behaviors: Journal of the Society of Psychologists in Addictive Behaviors
https://www.readbyqxmd.com/read/28170055/patients-with-alcohol-use-disorder-initial-results-from-a-prospective-multicenter-registry-in-the-spanish-network-on-addiction-disorders-cohrta-study
#7
Arantza Sanvisens, Paola Zuluaga, Inmaculada Rivas, Gabriel Rubio, Antoni Gual, Marta Torrens, Antoni Short, Francisco Javier Álvarez, Jordi Tor, Magí Farré, Fernando Rodríguez de Fonseca, Roberto Muga
: The Alcohol Program of the Spanish Network on Addictive Disorders-RTA requires a longitudinal study to address different research questions related to alcoholism. The cohort study (CohRTA) focuses on patients seeking treatment for alcohol use disorder, as a multicentre, collaborative research project aimed to improve secondary prevention and early diagnosis of pathological processes associated with the disorder. METHODS: multicentre cohort study in adults (>18 years) seeking their first treatment of the disorder...
January 12, 2017: Adicciones
https://www.readbyqxmd.com/read/28169286/garcinol-blocks-the-reconsolidation-of-multiple-cocaine-paired-cues-after-a-single-cocaine-reactivation-session
#8
Amber B Dunbar, Jane R Taylor
Manipulations of memory reconsolidation can interfere with the ability of a drug-paired cue to drive drug-seeking behavior. However, the typical reconsolidation paradigm that reactivates the memory through the presentation of the cue (conditioned stimulus; CS) only interferes with the memory of the reactivated CS while leaving other drug-paired CSs intact and able to continue driving drug-seeking behavior. Here, we used a novel unconditioned-stimulus (US) reactivation paradigm to interfere with the ability of multiple cues to drive drug-seeking behavior after just one reactivation and treatment session...
February 7, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28164168/doubling-down-increased-risk-taking-behavior-following-a-loss-by-individuals-with-cocaine-use-disorder-is-associated-with-striatal-and-anterior-cingulate-dysfunction
#9
Joshua L Gowin, April C May, Marc Wittmann, Susan F Tapert, Martin P Paulus
BACKGROUND: Cocaine use disorders (CUDs) have been associated with increased risk-taking behavior. Neuroimaging studies have suggested that altered activity in reward and decision-making circuitry may underlie cocaine user's heightened risk-taking. It remains unclear if this behavior is driven by greater reward salience, lack of appreciation of danger, or another deficit in risk-related processing. METHODS: Twenty-nine CUD participants and forty healthy comparison participants completed the Risky Gains Task during a functional magnetic resonance imaging scan...
January 2017: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/28160345/does-exposure-to-opioid-substitution-treatment-in-prison-reduce-the-risk-of-death-after-release-a-national-prospective-observational-study-in-england
#10
John Marsden, Garry Stillwell, Hayley Jones, Alisha Cooper, Brian Eastwood, Michael Farrell, Tim Lowden, Nino Maddalena, Chris Metcalfe, Jenny Shaw, Matthew Hickman
BACKGROUND AND AIMS: People with opioid use disorder (OUD) in prison face an acute risk of death after release. We estimated whether prison-based opioid substitution treatment (OST) reduces this risk. DESIGN: Prospective observational cohort study using prison healthcare, national community drug misuse treatment and deaths registers. SETTING: Recruitment at 39 adult prisons in England (32 male; 7 female) accounting for 95% of OST treatment in England during study planning...
February 4, 2017: Addiction
https://www.readbyqxmd.com/read/28150390/gray-matter-relationships-to-diagnostic-and-transdiagnostic-features-of-drug-and-behavioral-addictions
#11
Sarah W Yip, Patrick D Worhunsky, Jiansong Xu, Kristen P Morie, R Todd Constable, Robert T Malison, Kathleen M Carroll, Marc N Potenza
Alterations in neural structure have been reported in both cocaine-use disorder and gambling disorder, separately, suggesting similarities across addiction diagnoses. Individual variation in neural structure has also been associated with impulsivity, a dimensional construct implicated in addictions. This study combines categorical (diagnosis-based) and dimensional (transdiagnostic) approaches to identify neural structural alterations linked to addiction subtypes and trait impulsivity, respectively, across individuals with gambling disorder (n = 35), individuals with cocaine-use disorder (n = 37) and healthy comparison individuals (n = 37)...
February 1, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28140729/association-of-suicide-attempts-and-non-suicidal-self-injury-behaviors-with-substance-use-and-family-characteristics-among-children-and-adolescents-seeking-treatment-for-substance-use-disorder
#12
Neslim Guvendeger Doksat, Oguzhan Zahmacioglu, Arzu Ciftci Demirci, Gizem Melissa Kocaman, Ayten Erdogan
BACKGROUND: Numerous studies in youth and adults suggest strong association between substance use disorders and non-suicidal self-injury (NSSI) and suicidal behaviors. There is paucity of studies exploring the association of substance use with history of suicide attempts (HSA) and NSSI in children and adolescents in Turkey. OBJECTIVE: We aimed to examine the prevalence of NSSI and HSA and their relationship with substance use and family characteristics among youth seeking treatment for substance use in Turkey...
January 31, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28135882/substance-and-alcohol-misuse-drug-pathways-and-offending-behaviors-in-association-with-adhd-in-prison-inmates
#13
Susan Young, Rafael A González, Kim Wolff, Kiriakos Xenitidis, Laura Mutch, Isabella Malet-Lambert, Gisli H Gudjonsson
OBJECTIVE: The objective of the study is to quantify the extent of specific polysubstance use, drug transitions to current substances, and describe the association with alcohol use disorders among inmates with ADHD. We also examined health risk behaviors and patterns of offending in relation with ADHD. METHOD: A total of 387 male British prison inmates were screened and interviewed via the Diagnostic Interview for ADHD in Adults 2.0 (DIVA-2). RESULTS: Male prisoners with ADHD endorse more methadone and amphetamine use...
January 1, 2017: Journal of Attention Disorders
https://www.readbyqxmd.com/read/28134495/pathways-from-witnessing-parental-violence-during-childhood-to-involvement-in-intimate-partner-violence-in-adult-life-the-roles-of-depression-and-substance-use
#14
Clarice S Madruga, Maria Carmen Viana, Renata Rigacci Abdalla, Raul Caetano, Ronaldo Laranjeira
INTRODUCTION AND AIMS: The aims of this study were to determine the prevalence of witnessing parental violence (WPV) during childhood and of current intimate partner violence (IPV) victimisation and aggression in a Brazilian sample, in order to verify pathways between WPV and involvement in IPV as an adult. DESIGN AND METHODS: The mediating roles of substance use and depression were investigated. Data came from the Second Brazilian National Alcohol and Drugs Survey, a multi-cluster probabilistic household survey, which gathered information on the use of psychoactive substances, current depressive disorder, history of childhood direct and indirect exposure to domestic violence and IPV in a nationally representative sample...
January 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28132702/long-term-retention-in-office-based-opioid-treatment-with-buprenorphine
#15
Zoe M Weinstein, Hyunjoong W Kim, Debbie M Cheng, Emily Quinn, David Hui, Colleen T Labelle, Mari-Lynn Drainoni, Sara S Bachman, Jeffrey H Samet
BACKGROUND: Guidelines recommend long-term treatment for opioid use disorder with buprenorphine; however, little is known about patients in long-term treatment. The aim of this study is to examine the prevalence and patient characteristics of long-term treatment retention (≥1year) in an Office Based Opioid Treatment (OBOT) program with buprenorphine. METHODS: This is a retrospective cohort study of adults on buprenorphine from January 2002 to February 2014 in a large urban safety-net primary care OBOT program...
March 2017: Journal of Substance Abuse Treatment
https://www.readbyqxmd.com/read/28126496/glycogen-synthase-kinase-3-beta-alters-anxiety-depression-and-addiction-related-behaviors-and-neuronal-activity-in-the-nucleus-accumbens-shell
#16
Elizabeth J Crofton, Miroslav N Nenov, Yafang Zhang, Federico Scala, Sean A Page, David L McCue, Dingge Li, Jonathan D Hommel, Fernanda Laezza, Thomas A Green
Psychiatric disorders such as anxiety, depression and addiction are often comorbid brain pathologies thought to share common mechanistic biology. As part of the cortico-limbic circuit, the nucleus accumbens shell (NAcSh) plays a fundamental role in integrating information in the circuit, such that modulation of NAcSh circuitry alters anxiety, depression, and addiction-related behaviors. Intracellular kinase cascades in the NAcSh have proven important mediators of behavior. To investigate glycogen-synthase kinase 3 (GSK3) beta signaling in the NAcSh in vivo we knocked down GSK3beta expression with a novel adeno-associated viral vector (AAV2) and assessed changes in anxiety- and depression-like behavior and cocaine self-administration in GSK3beta knockdown rats...
January 23, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28110088/regional-and-source-based-patterns-of-11-c-phno-binding-potential-reveal-concurrent-alterations-in-dopamine-d2-and-d3-receptor-availability-in-cocaine-use-disorder
#17
Patrick D Worhunsky, David Matuskey, Jean-Dominique Gallezot, Edward C Gaiser, Nabeel Nabulsi, Gustavo A Angarita, Vince D Calhoun, Robert T Malison, Marc N Potenza, Richard E Carson
Dopamine type 2 and type 3 receptors (D2R/D3R) appear critical to addictive disorders. Cocaine-use disorder (CUD) is associated with lower D2R availability and greater D3R availability in regions primarily expressing D2R or D3R concentrations, respectively. However, these CUD-related alterations in D2R and D3R have not been concurrently detected using available dopaminergic radioligands. Furthermore, receptor availability in regions of mixed D2R/D3R concentration in CUD remains unclear. The current study aimed to extend investigations of CUD-related alterations in D2R and D3R availability using regional and source-based analyses of [(11)C]-(+)-PHNO positron emission tomography (PET) of 26 individuals with CUD and 26 matched healthy comparison (HC) participants...
January 19, 2017: NeuroImage
https://www.readbyqxmd.com/read/28095003/cocaine-addiction-as-a-homeostatic-reinforcement-learning-disorder
#18
Mehdi Keramati, Audrey Durand, Paul Girardeau, Boris Gutkin, Serge H Ahmed
Drug addiction implicates both reward learning and homeostatic regulation mechanisms of the brain. This has stimulated 2 partially successful theoretical perspectives on addiction. Many important aspects of addiction, however, remain to be explained within a single, unified framework that integrates the 2 mechanisms. Building upon a recently developed homeostatic reinforcement learning theory, the authors focus on a key transition stage of addiction that is well modeled in animals, escalation of drug use, and propose a computational theory of cocaine addiction where cocaine reinforces behavior due to its rapid homeostatic corrective effect, whereas its chronic use induces slow and long-lasting changes in homeostatic setpoint...
January 16, 2017: Psychological Review
https://www.readbyqxmd.com/read/28088739/the-effects-of-rurality-on-substance-use-disorder-diagnosis-a-multiple-groups-latent-class-analysis
#19
Billy Brooks, Matthew McBee, Robert Pack, Arsham Alamian
BACKGROUND: Rates of accidental overdose mortality from substance use disorder (SUD) have risen dramatically in the United States since 1990. Between 1999 and 2004 alone rates increased 62% nationwide, with rural overdose mortality increasing at a rate 3 times that seen in urban populations. Cultural differences between rural and urban populations (e.g., educational attainment, unemployment rates, social characteristics, etc.) affect the nature of SUD, leading to disparate risk of overdose across these communities...
May 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28076672/prenatal-psychostimulant-and-antidepressant-exposure-and-risk-of-hypertensive-disorders-of-pregnancy
#20
D Jeffrey Newport, Amy L Hostetter, Sarah H Juul, Sunny M Porterfield, Bettina T Knight, Zachary N Stowe
OBJECTIVE: To investigate the association, if any, of prenatal mental illness and psychotropic exposure with the risk of hypertensive disorders of pregnancy (HDP). METHODS: A case-cohort analysis was conducted of 686 pregnant women participating in prospective, longitudinal observational studies in a tertiary referral center between January 1998 and May 2012. Risk estimates were produced using multivariate logistic regression modeling. Medication- and diagnosis-specific data were utilized to conduct post hoc confirmatory analyses of the risk estimates...
November 2016: Journal of Clinical Psychiatry
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