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https://www.readbyqxmd.com/read/28635664/adolescent-exposure-to-the-synthetic-cannabinoid-win-55212-2-modifies-cocaine-withdrawal-symptoms-in-adult-mice
#1
María A Aguilar, Juan Carlos Ledesma, Marta Rodríguez-Arias, Carles Penalva, Carmen Manzanedo, José Miñarro, M Carmen Arenas
Chronic cannabinoid consumption is an increasingly common behavior among teenagers and has been shown to cause long-lasting neurobehavioral alterations. Besides, it has been demonstrated that cocaine addiction in adulthood is highly correlated with cannabis abuse during adolescence. Cocaine consumption and subsequent abstinence from it can cause psychiatric symptoms, such as psychosis, cognitive impairment, anxiety, and depression. The aim of the present research was to study the consequences of adolescent exposure to cannabis on the psychiatric-like effects promoted by cocaine withdrawal in adult mice...
June 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28635521/assessment-of-an-innovative-voluntary-substance-abuse-treatment-program-designed-to-replace-compulsory-drug-detention-centers-in-malaysia
#2
Farrah Khan, Archana Krishnan, Mansur A Ghani, Jeffrey A Wickersham, Jeannia J Fu, Sin How Lim, Sangeeth Kaur Dhaliwal, Adeeba Kamarulzaman, Frederick L Altice
BACKGROUND: As part of an ongoing initiative by the Malaysian government to implement alternative approaches to involuntary detention of people who use drugs, the National Anti-Drug Agency has created new voluntary drug treatment programs known as Cure and Care (C&C) Centers that provide free access to addiction treatment services, including methadone maintenance therapy, integrated with social and health services. OBJECTIVES:   We evaluated early treatment outcomes and client satisfaction among patients accessing C&C treatment and ancillary services at Malaysia's second C&C Center located in Kota Bharu, Kelantan...
February 22, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28635181/buprenorphine-requires-concomitant-activation-of-nop-and-mop-receptors-to-reduce-cocaine-consumption
#3
Marsida Kallupi, Qianwei Shen, Giordano de Guglielmo, Dennis Yasuda, V Blair Journigan, Nurulain T Zaveri, Roberto Ciccocioppo
Buprenorphine's clinical use is approved for the treatment of heroin addiction; however, evidence supporting its efficacy in cocaine abuse also exists. While for heroin it has been demonstrated that the effect of buprenorphine is mediated by its ability to activate μ-opioid peptide receptor (MOP) receptors, the mechanism through which it attenuates cocaine intake remains elusive. We explored this mechanism using operant models where rodents were trained to chronically self-administer cocaine for 2 hours daily...
June 21, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28632095/transgressing-gender-norms-in-addiction-treatment-transgender-rights-to-access-within-gender-segregated-facilities
#4
Sara Matsuzaka
Despite having disproportionately high rates of substance use disorder and co-occurring health and mental health issues compared to the general population, transgender individuals experience significant barriers to accessing and engaging in addiction treatment programs. Inpatient addiction treatment centers were originally designed to treat substance-dependent heterosexual cisgender populations and, as such, feature gender-segregated housing, bathrooms, and treatment sessions. The heteronormative structural and programmatic barriers, combined with exposures to stigmatic and prejudicial attitudes, may dissuade transgender populations from benefiting from the addiction treatment they so direly need...
February 15, 2017: Journal of Ethnicity in Substance Abuse
https://www.readbyqxmd.com/read/28632076/association-of-oprd1-gene-variants-with-opioid-dependence-in-addicted-male-individuals-undergoing-methadone-treatment-in-the-north-of-iran
#5
Alireza Sharafshah, Hedyeh Fazel, Ali Albonaim, Vahid Omarmeli, Sajjad Rezaei, Ebrahim Mirzajani, Farzam Ajamian, Parvaneh Keshavarz
Genetic association of rs678849 along with neuroimaging and biomarker phenotypes, parallel with the known involvements of the OPRD1 in drug abuse, provided additional support for targeting these receptors as potential therapeutic targets in both neurodegenerative diseases and neuropsychiactric disorders such as Alzheimer's disease. Samples were selected among 202 opium-addicted participants undergoing methadone treatment and 202 healthy controls. Genomic DNA of all subjects was extracted from whole blood samples through a Salting Out procedure...
March 1, 2017: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/28631980/orexin-research-patent-news-from-2016
#6
Christoph Boss, Catherine Roch
The orexin (hypocretin) system consists of two G-protein-coupled receptors, orexin 1 (Ox1) and orexin 2 (Ox2) and two endogenous peptidic ligands, orexin A (OxA) and orexin B (OxB). It is evolutionarily highly conserved. In the brain, it is involved in the promotion of wakefulness under motivational circumstances as well as in anxiety and addictive disorders. In addition, its activation via the Ox1 receptor triggers apoptosis in several cancer cell lines. Dual orexin receptor antagonists (DORAs) such as suvorexant are successfully used to treat primary insomnia...
June 20, 2017: Expert Opinion on Therapeutic Patents
https://www.readbyqxmd.com/read/28631421/impact-of-synthetic-cannabinoids-on-the-duration-of-opioid-related-withdrawal-and-craving-among-patients-of-addiction-clinics-in-kazakhstan-a-prospective-case-control-study
#7
Mariya Prilutskaya, Francesco Saverio Bersani, Ornella Corazza, Sergey Molchanov
OBJECTIVE: The aim of the study was to prospectively assess whether regular use of synthetic cannabinoids (SCs) affects the duration of opioid-related withdrawal and craving symptoms in patients undergoing drug detoxification treatments. METHODS: Patients (n = 193) with opioid use disorder, among which 47 patients are regularly using SCs, underwent integrated drug detoxification therapies. The Clinical Opiate Withdrawal Scale and a specific visual analogue scale were used to assess opioid withdrawal and craving symptoms over time...
June 20, 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28628620/prevalence-and-determinants-of-online-sex-use-in-the-german-population
#8
Manfred E Beutel, Sebastian Giralt, Klaus Wölfling, Yve Stöbel-Richter, Claudia Subic-Wrana, Iris Reiner, Ana Nanette Tibubos, Elmar Brähler
INTRODUCTION: The unlimited access to sexual features in the World Wide Web has raised concerns about excessive and problematic online-sex use. However, little is known about antecedents of internet-sex use of different intensity. Based on a representative German sample of 2,522 participants between the ages of 14 and 97 years, the aims of the present study were (1) to determine the prevalence rates of online-sex users with the short version (ISSTGSV) of the Internet Sex Screening Test and (2) to associate online-sex use with anxious vs...
2017: PloS One
https://www.readbyqxmd.com/read/28627925/will-delay-discounting-predict-intention-to-quit-smoking
#9
Liqa N Athamneh, Jeffrey S Stein, Warren K Bickel
Intention to quit cigarette smoking is significantly associated with making quitting attempts and actual quitting. Delay discounting is significantly associated with smoking initiation and success in quitting. To our knowledge, no studies have investigated the relationship between delay discounting and intention to quit smoking. In 2 separate observational, cross-sectional studies, the current investigation examines the relationship between delay discounting and intention to quit smoking within groups of smokers...
June 19, 2017: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28627395/the-opioid-epidemic-is-an-historic-opportunity-to-improve-both-prevention-and-treatment
#10
Robert L DuPont
The current narrative describing the national opioid epidemic as the result of overprescribing opioid pain medicines fails to capture the full dimensions of problem and leads to inadequate and even confounding solutions. Overlooked is the fact that polysubstance use is nearly ubiquitous among overdose deaths, demonstrating that the opioid overdose death problem is bigger than opioids. The foundation of the nation's opioid overdose crisis - and the totality of the nation's drug epidemic - is widespread recreational pharmacology, the use of drugs for fun or "self-medication...
June 13, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28626932/dentate-gyrus-neurogenesis-ablation-via-cranial-irradiation-enhances-morphine-self-administration-and-locomotor-sensitization
#11
Sarah E Bulin, Matthew L Mendoza, Devon R Richardson, Kwang H Song, Timothy D Solberg, Sanghee Yun, Amelia J Eisch
Adult dentate gyrus (DG) neurogenesis is important for hippocampal-dependent learning and memory, but the role of new neurons in addiction-relevant learning and memory is unclear. To test the hypothesis that neurogenesis is involved in the vulnerability to morphine addiction, we ablated adult DG neurogenesis and examined morphine self-administration (MSA) and locomotor sensitization. Male Sprague-Dawley rats underwent hippocampal-focused, image-guided X-ray irradiation (IRR) to eliminate new DG neurons or sham treatment (Sham)...
June 19, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28625446/a-novel-treatment-for-chronic-opioid-use-after-surgery
#12
Paul F White, Ofelia Loani Elvir-Lazo, Hector Hernandez
In a recent article from the Center for Disease Control, the authors addressed the current opioid epidemic in America and emphasized the importance of utilizing non-opioid analgesic alternatives to opioid medication for treating chronic pain. In cases where non-opioid analgesic drugs alone have failed to produce adequate pain relief, these authors suggested that non-pharmacologic therapies should also be considered. This Case Series describes a pilot study designed to evaluate a novel non-pharmacologic approach to treating long-standing (>1year) opioid dependency...
August 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28624806/targeting-the-tumor-promoting-microenvironment-in-met-amplified-nsclc-cells-with-a-novel-inhibitor-of-pro-hgf-activation
#13
Benjamin Y Owusu, Shantasia Thomas, Phanindra Venukadasula, Zhenfu Han, James W Janetka, Robert A Galemmo, Lidija Klampfer
Targeted therapeutic agents, such as inhibitors of epithelial growth factor receptor (EGFR), have transformed the management of non-small cell lung cancer (NSCLC) patients. MET-amplified NSCLC cells display resistance to EGFR-targeting agents, but are addicted to MET signaling for survival and proliferation and are sensitive to MET inhibition. However, responsive cancer cells invariably develop resistance to MET-targeted treatment.The tumor microenvironment plays a major role in resistance to anticancer therapy...
May 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28624586/modeling-the-development-of-drug-addiction-in-male-and-female-animals
#14
REVIEW
Wendy J Lynch
An increasing emphasis has been placed on the development and use of animal models of addiction that capture defining features of human drug addiction, including escalation/binge drug use, enhanced motivation for the drug, preference for the drug over other reward options, use despite negative consequences, and enhanced drug-seeking/relapse vulnerability. The need to examine behavior in both males and females has also become apparent given evidence demonstrating that the addiction process occurs differently in males and females...
June 14, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28624106/alcohol-use-and-smoking-after-liver-transplantation-complications-and-prevention
#15
REVIEW
José Ursic-Bedoya, Hélène Donnadieu-Rigole, Stéphanie Faure, Georges-Philippe Pageaux
The last thirty years have been very prosperous in the field of liver transplantation (LT), with great advances in organ conservation, surgical techniques, peri-operative management and long-term immunosuppression, resulting in improved patient and graft survival rates as well as quality of life. However, substance addiction after LT, namely alcohol and tobacco, results in short term morbidity together with medium and long-term mortality. The main consequences can be vascular (increased risk of hepatic artery thrombosis in smokers), hepatic (recurrent alcoholic cirrhosis in alcohol relapsers) and oncological (increased risk of malignancy in patients consuming tobacco and/or alcohol after LT)...
April 2017: Best Practice & Research. Clinical Gastroenterology
https://www.readbyqxmd.com/read/28622616/treatment-of-substance-use-disorders-effects-on-patients-with-higher-or-lower-levels-of-ptsd-symptoms
#16
Carol E M Wieferink, Hein A de Haan, Boukje A G Dijkstra, Martine Fledderus, Tim Kok
While guidelines advise integrated treatment of patients with substance use disorder (SUD) and posttraumatic stress disorder (PTSD), recent studies and reviews find no convincing evidence of different outcomes following treatment between non-trauma focused integrated programs and SUD treatment alone. In this study, we analyzed whether SUD patients with higher levels of PTSD symptoms receiving standard, non-integrated SUD treatment (N=145) differed in outcomes compared to patients with lower levels of PTSD symptoms (N=152)...
June 8, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28622206/bupropion-augmentation-in-a-case-of-compulsive-buying-disorder
#17
Gianna Sepede, Giuseppe Di Iorio, Fabiola Sarchione, Federica Fiori, Massimo Di Giannantonio
BACKGROUND: Compulsive buying disorder (CBD) is a condition characterized by excessive preoccupations, impulses, and behaviors regarding buying, resulting in serious psychological, social, and financial problems. Even though it has not been included in Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, "behavioral addictions" section, CBD is a hot topic in current clinical psychiatry, because of its relevant prevalence (at least 5% in adult populations) and severe effect on quality of life...
June 16, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28621212/methamphetamine-causes-neurotoxicity-by-promoting-polarization-of-macrophages-and-inflammatory-response
#18
X Li, F Wu, L Xue, B Wang, J Li, Y Chen, T Chen
Macrophages, especially their activation state, are closely related to the progression of neurotoxicity. Classically activated macrophages (M1) are proinflammatory effectors, while alternatively activated macrophages (M2) exhibit anti-inflammatory properties. As a powerful addictive psychostimulant drug, coupled with its neurotoxicity, methamphetamine (Meth) abuse may lead to long-lasting abnormalities in the neuronal system. The present study investigated the effect of Meth at subtoxic concentration on macrophage activation state and its underlying toxicity to neuronal cells...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28618284/differences-in-biomarkers-of-crack-cocaine-adolescent-users-before-after-abstinence
#19
Thiago Gatti Pianca, Ronaldo Lopes Rosa, Keila Maria Mendes Ceresér, Bianca Wollenhaupt de Aguiar, Rafaela Carvalho de Abrahão, Patrícia Mafra Lazzari, Flávio Kapczinski, Flávio Pechansky, Luis Augusto Rohde, Cláudia Maciel Szobot
AIMS: To measure the variation in Brain-Derived Neurotrophic Factor (BDNF), Thiobarbituric Acid Reactive Substances (TBARS) and interleukin (IL) levels in crack-cocaine dependent adolescents after 21days of abstinence, comparing to levels found in a group of healthy controls. DESIGN: Cross-sectional nested on a short follow-up study. SETTING: Two inpatient treatment units for adolescents, and a low-income neighborhood. PARTICIPANTS: 90 adolescents, of both genders, with diagnosis of crack cocaine dependence, and 81 healthy adolescents...
June 12, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28618002/novel-psychoactive-substance-use-among-treatment-seeking-opiate-users-the-role-of-life-events-and-psychiatric-symptoms
#20
Máté Kapitány-Fövény, Judit Farkas, Patrícia Andrea Pataki, Anna Kiss, Janka Horváth, Róbert Urbán, Zsolt Demetrovics
OBJECTIVE: Over the past 5 years, a shift to the use of novel psychoactive substances (NPS) has been observed among opioid users. The aim of this study was to assess the potential reasons for NPS use among treatment-seeking patients receiving opiate substitution therapy. METHOD: A structured questionnaire was filled out by a sample of 198 opiate dependent patients of Hungary's National Institute of Psychiatry and Addiction. This questionnaire assessed demographics, treatment characteristics, lifetime substance use, potential reasons for NPS use, negative life events (Life Events Scale), and psychiatric symptoms (Brief Symptom Inventory)...
June 15, 2017: Human Psychopharmacology
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