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Cocaine use disorder

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https://www.readbyqxmd.com/read/29227894/substance-induced-psychotic-symptoms-in-borderline-personality-disorder-among-substance-use-disorder-samples-in-spain
#1
Carmen Barral, Laia Rodríguez-Cintas, Lara Grau-López, Constanza Daigre, Elena Ros-Cucurull, Natalia Calvo, Marc Ferrer, Carlos Roncero
Substance-induced psychosis (SIP) is frequent in substance use disorder patients. However, little is known about the presence of SIP in Borderline Personality Disorder (BPD) and what the risk factors for the development of SIP in this population would be. A sample of 91 BPD drug-dependent patients attending an outpatient substance use disorder unit was evaluated. Comorbidity with Axis I and II was assessed using SCID-I and SCID-II. Psychoactive drug related variables were registered as well as the presence of the ninth criterion of DSM-IV-TR as a code of psychotic symptoms...
December 6, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29227643/structure-activity-relationship-studies-on-a-series-of-3%C3%AE-bis-4-fluorophenyl-methoxy-tropanes-and-3%C3%AE-bis-4-fluorophenyl-methylamino-tropanes-as-novel-atypical-dopamine-transporter-dat-inhibitors-for-the-treatment-of-cocaine-use-disorders
#2
Mu-Fa Zou, Jianjing Cao, Ara M Abramyan, Theresa Kopajtic, Claudio Zanettini, Daryl A Guthrie, Rana Rais, Barbara S Slusher, Lei Shi, Claus J Loland, Amy Hauck Newman
The development of medications to treat cocaine use disorders has thus far defied success, leaving this patient population without pharmacotherapeutic options. As the dopamine transporter (DAT) plays a prominent role in the reinforcing effects of cocaine that can lead to addiction, atypical DAT inhibitors have been developed that prevent cocaine from binding to DAT, but they themselves are not cocaine-like. Herein, a series of novel DAT inhibitors were synthesized, and based on its pharmacological profile, the lead compound 10a was evaluated in phase I metabolic stability studies in mouse liver microsomes and compared to cocaine in locomotor activity and drug discrimination paradigms in mice...
December 11, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29227236/use-of-marijuana-and-other-substances-among-pregnant-and-parenting-women-with-substance-use-disorders-changes-in-washington-state-after-marijuana-legalization
#3
Therese M Grant, J Christopher Graham, Beatriz H Carlini, Cara C Ernst, Natalie Novick Brown
OBJECTIVE: In 2012, possession of marijuana for nonmedical use was legalized in Washington State. This study examined how legalization affected alcohol and drug use in a sample of pregnant and parenting women with substance use disorders. METHOD: Study participants from nine counties in Washington State (N = 1,359) were questioned about their substance use after completing a 3-year case management intervention program. The sample was divided into two cohorts based on whether participants had completed the program before or after legalization...
January 2018: Journal of Studies on Alcohol and Drugs
https://www.readbyqxmd.com/read/29226762/assessing-cognitive-functioning-in-individuals-with-cocaine-use-disorder
#4
Kirsten M Frazer, Jennifer J Manly, Geraldine Downey, Carl L Hart
INTRODUCTION: There have been mixed findings assessing the impact of regular cocaine use on cognitive functioning. This study employed a comprehensive cognitive battery to compare the performance of individuals diagnosed with a cocaine use disorder (N = 3 abusers, N = 17 dependent) against the performance of two control groups: (a) non-drug-users, and (b) marijuana users who report no cocaine use (N = 7 marijuana abusers, N = 0 dependent, N = 13 marijuana users with no Diagnostic and Statistical Manual of Mental Disorders-Fourth Edition, DSM-IV, diagnosis)...
December 10, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/29217682/overexpression-of-the-histone-dimethyltransferase-g9a-in-nucleus-accumbens-shell-increases-cocaine-self-administration-stress-induced-reinstatement-and-anxiety
#5
Ethan M Anderson, Erin B Larson, Daniel Guzman, Anne Marie Wissman, Rachael L Neve, Eric J Nestler, David W Self
Repeated exposure to cocaine induces lasting epigenetic changes in neurons that promote the development and persistence of addiction. One epigenetic alteration involves reductions in levels of the histone dimethyltransferase, G9a, in nucleus accumbens (NAc) after chronic cocaine administration. This reduction in G9a may enhance cocaine reward since overexpressing G9a in the NAc decreases cocaine-conditioned place preference. Thus, we hypothesized that HSV-mediated G9a overexpression in the NAc shell (NAcSh) would attenuate cocaine self-administration and cocaine-seeking behavior...
December 7, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29214467/different-functional-domains-measured-by-cocaine-self-administration-under-the-progressive-ratio-and-punishment-schedules-in-male-wistar-rats
#6
Udita Datta, Mariangela Martini, WenLin Sun
BACKGROUND: Current diagnosis of drug addiction like other mental disorders is based on clinical symptoms not on neural pathophysiology and consequently, does not provide useful information on the underlying pathophysiology and may impede the efforts to identify the underlying mechanisms. Identifying the functional deficits that are relevant to addiction and can be traced to the neural systems will greatly facilitate our understanding of the heterogeneity of the condition and improve future diagnosis and treatment...
December 6, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/29194102/neurocognitive-profiling-of-adult-treatment-seekers-enrolled-in-a-clinical-trial-of-a-web-delivered-intervention-for-substance-use-disorders
#7
Efrat Aharonovich, Aimee N C Campbell, Matisyahu Shulman, Mei-Chen Hu, Tiffany Kyle, Theresa Winhusen, Edward V Nunes
OBJECTIVE: This study is a secondary descriptive analysis that explores and compares the cognitive profiles of adults entering treatment at geographically diverse community-based substance use disorder treatment facilities. METHODS: Performance on cognitive measures at baseline was compared across 5 primary substance subgroups of individuals (alcohol = 104; cocaine = 102; stimulants = 69; opioids = 108; marijuana = 114) enrolled in a web-based psychosocial treatment study conducted within the National Drug Abuse Treatment Clinical Trials Network...
November 30, 2017: Journal of Addiction Medicine
https://www.readbyqxmd.com/read/29194045/mothering-under-the-influence-how-perinatal-drugs-of-abuse-alter-the-mother-infant-interaction
#8
Anna Brancato, Carla Cannizzaro
Although drug-abusing women try to moderate their drug and alcohol use during pregnancy, they often relapse at a time when childcare needs are high and maternal bonding is critical to an infant's development. In the clinical setting, the search for the neural basis of drug-induced caregiving deficits is complex due to several intervening variables. Rather, the preclinical studies that control for drug dose and regimen, as well as for gestational and postpartum environment, allow a precise determination of the effects of drugs on maternal behaviour...
December 1, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/29189190/role-of-repetitive-transcranial-magnetic-stimulation-rtms-in-treatment-of-addiction-and-related-disorders-a-systematic-review
#9
Ramkrishna Makani, Basant Pradhan, Umang Shah, Tapan Parikh
BACKGROUND: Addiction and related disorders are devastating with their tremendous social, psychological, and physical consequences for which development of optimally effective treatments are long overdue. Repetitive transcranial magnetic stimulation (rTMS) is relatively safe and is becoming an emerging therapeutic tool for these conditions. METHODS: This systematic review was conducted using PubMed, PsycINFO, PsychiatryOnline and Cochrane Library ranging from year 2001 to 2017...
November 29, 2017: Current Drug Abuse Reviews
https://www.readbyqxmd.com/read/29178109/-effects-of-cocaine-on-prepulse-inhibition-of-the-startle-response
#10
REVIEW
M C Arenas, C Caballero-Reinaldo, C I Navarro-Frances, C Manzanedo
INTRODUCTION: Prepulse inhibition (PPI) of the startle response is an index used to evaluate how the pre-attention system works. PPI is altered in patients with a mental disorder such as schizophrenia and in subjects who are vulnerable to it. Likewise, cocaine users also frequently exhibit psychiatric disorders as schizophrenia. AIM: To know the alterations that cocaine produces on PPI. DEVELOPMENT: A comprehensive review is carried out, covering both clinical and preclinical studies with animal models that have evaluated the effects of cocaine exposure on the PPI paradigm...
December 1, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/29175958/amphetamine-reverses-escalated-cocaine-intake-via-restoration-of-dopamine-transporter-conformation
#11
Cody A Siciliano, Kaustuv Saha, Erin S Calipari, Steve C Fordahl, Rong Chen, Habibeh Khoshbouei, Sara R Jones
Cocaine abuse disrupts dopamine system function, including reduced cocaine inhibition of the dopamine transporter (DAT), which results in tolerance. Although tolerance is a hallmark of cocaine addiction and a DSM-V criteria for substance abuse disorders, the molecular adaptations producing tolerance are unknown, and testing the impact of DAT changes on drug taking behaviors has proven difficult. In regard to treatment, amphetamine has shown efficacy in reducing cocaine intake; however, the mechanisms underlying these effects have not been explored...
November 24, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29175290/trends-and-key-correlates-of-prescription-opioid-injection-misuse-in-the-united-states
#12
Christopher M Jones
BACKGROUND: Despite concerns over increasing harms associated with prescription opioid injection misuse, there is a paucity of research on the magnitude, characteristics, injection practices, and syringe sources for people who inject prescription opioids; limiting the implementation of targeted policy and programmatic initiatives. MATERIALS AND METHODS: Data from the 2003 through 2014 National Surveys on Drug Use and Health were used to estimate prescription opioid injection trends and examine risky injection practices and syringe sources for people who inject prescription opioids...
November 22, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/29163257/free-will-and-the-brain-disease-model-of-addiction-the-not-so-seductive-allure-of-neuroscience-and-its-modest-impact-on-the-attribution-of-free-will-to-people-with-an-addiction
#13
Eric Racine, Sebastian Sattler, Alice Escande
Free will has been the object of debate in the context of addiction given that addiction could compromise an individual's ability to choose freely between alternative courses of action. Proponents of the brain-disease model of addiction have argued that a neuroscience perspective on addiction reduces the attribution of free will because it relocates the cause of the disorder to the brain rather than to the person, thereby diminishing the blame attributed to the person with an addiction. Others have worried that such displacement of free will attribution would make the person with a drug addiction less responsible...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/29163237/-18f-fluorodeoxyglucose-positron-emission-tomography-in-rats-with-prolonged-cocaine-self-administration-suggests-potential-brain-biomarkers-for-addictive-behavior
#14
Nazzareno Cannella, Alejandro Cosa-Linan, Mareike Roscher, Tatiane T Takahashi, Nils Vogler, Björn Wängler, Rainer Spanagel
The DSM5-based dimensional diagnostic approach defines substance use disorders on a continuum from recreational drug use to habitual and ultimately addicted behavior. Biomarkers that are indicative of recreational drug use and addicted behavior are lacking. We performed a translational [18F]-fluorodeoxyglucose-positron emission tomography (FDG-PET) study in the multi-dimensional 0/3crit model of cocaine addiction. Addict-like (3crit) and non-addict-like (0crit) rats, which shared identical life conditions and levels of cocaine self-administration, were acquired for FDG-PET under baseline conditions and following cocaine and yohimbine challenges...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29161023/in-vivo-neurochemical-profile-of-selectively-bred-high-responder-and-low-responder-rats-reveals-baseline-cocaine-and-novelty-evoked-differences-in-monoaminergic-systems
#15
Omar S Mabrouk, John L Han, Jenny-Marie T Wong, Huda Akil, Robert T Kennedy, Shelly B Flagel
Relative to bred low-responder (bLR) rats, bred high-responder (bHR) rats have an exaggerated locomotor response to a novel environment, are more risk-taking, more impulsive, and more likely to exhibit compulsive drug-seeking behaviors. These phenotypic differences in addiction-related behaviors and temperament have previously been associated with differences in neurotransmitter signaling, including the mesolimbic dopamine system. In the current study, we applied advanced in vivo microdialysis sampling in the nucleus accumbens of bHRs/bLRs to assess differences in basal and stimulated neurochemical efflux more broadly...
November 21, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/29158359/are-cocaine-seeking-habits-necessary-for-the-development-of-addiction-like-behavior-in-rats
#16
Bryan F Singer, Monica Fadanelli, Alex B Kawa, Terry E Robinson
Drug self-administration models of addiction typically require animals to make the same response (e.g., a lever-press or nose-poke) over and over to procure and take drugs. By their design, such procedures often produce behavior controlled by stimulus-response (S-R) habits. This has supported the notion of addiction as a "drug habit", and has led to considerable advances in our understanding of the neurobiological basis of such behavior. However, for addicts to procure drugs, like cocaine, often requires considerable ingenuity and flexibility in seeking behavior, which, by definition, precludes the development of habits...
November 20, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29147885/proceedings-of-the-2017-isev-symposium-on-hiv-neurohiv-drug-abuse-evs
#17
Guoku Hu, Sowmya Yelamanchili, Fatah Kashanchi, Norman Haughey, Vincent C Bond, Kenneth W Witwer, Lynn Pulliam, Shilpa Buch
Despite the success of combination antiretroviral therapy (cART), there is increased prevalence of HIV-associated neurocognitive disorders (HAND) in HIV-1-infected individuals on cART, which poses a major health care challenge. Adding further complexity to this long-term antiretroviral use is the comorbidity with drugs of abuse such as morphine, cocaine, and methamphetamine, which can in turn, exacerbate neurologic and cognitive deficits associated with HAND. Furthermore, HIV proteins, such as the transactivator of transcription (Tat) and the envelope protein (gp120), as well as antiretrovirals themselves can also contribute to the progression of neurodegeneration underlying HAND...
November 16, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/29129191/alcohol-use-disorders-are-associated-with-increased-hiv-risk-behaviors-in-cocaine-dependent-methadone-patients
#18
Steven E Meredith, Carla J Rash, Nancy M Petry
People who inject drugs (PWID) are at increased risk of HIV infection. Although methadone maintenance therapy can help lower this risk, many methadone patients continue to engage in HIV risk behaviors, especially patients who use cocaine and alcohol. The purpose of the current study was to investigate relations between alcohol use disorders and HIV risk behavior in 239 cocaine-dependent methadone patients participating in a randomized controlled trial of a behavioral intervention to promote cocaine abstinence...
December 2017: Journal of Substance Abuse Treatment
https://www.readbyqxmd.com/read/29120851/the-generalizability-of-the-structure-of-substance-abuse-and-antisocial-behavioral-syndromes-a-systematic-review
#19
REVIEW
S E Soe-Agnie, M C S Paap, J E L VanDerNagel, H J M Nijman, C A J de Jong
BACKGROUND: Although several authors have suggested that a single externalizing spectrum encompassing both antisocial behavioral syndromes and substance use disorder is to be preferred, this assumption has not been evaluated systematically throughout studies. PURPOSE: The objective was to establish the generalizability of transdiagnostic models of externalizing disorders across different types of disorders and populations, in regard to the strength of the evidence...
November 4, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29120266/increased-depression-and-anxiety-symptoms-are-associated-with-more-breakdowns-in-cognitive-control-to-cocaine-cues-in-veterans-with-cocaine-use-disorder
#20
Gregory J DiGirolamo, Gerardo Gonzalez, David Smelson, Nathan Guevremont, Michael I Andre, Pooja O Patnaik, Zachary R Zaniewski
OBJECTIVE: Cue-elicited craving is a clinically important aspect of cocaine addiction directly linked to cognitive control breakdowns and relapse to cocaine-taking behavior. However, whether craving drives breakdowns in cognitive control toward cocaine cues in veterans, who experience significantly more co-occurring mood disorders, is unknown. The present study tests whether veterans have breakdowns in cognitive control because of cue-elicited craving or current anxiety or depression symptoms...
November 9, 2017: Journal of Dual Diagnosis
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