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https://www.readbyqxmd.com/read/28199203/neurogenetics-of-acute-and-chronic-opiate-opioid-abstinence-treating-symptoms-and-the-cause
#1
Kenneth Blum, Mark S Gold, William Jacobs, William Vaughn McCall, Marcelo Febo, David Baron, Kristina Dushaj, Zsolt Demetrovics, Rajendra D Badgaiyan
This review begins with a comprehensive history of opioid dependence and treatment in the United States. The focus is an evidence-based treatment model for opioid/opiate dependent individuals. The role of reward genetic polymorphisms and the epigenetic modifications that lead to vulnerability to use and misuse of opiates/opioid to treat pain are reviewed. The neurochemical mechanisms of acute opiate withdrawal and opiate/opioid reward mechanisms are explored with a goal of identifying specific treatment targets...
March 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28185645/mu-opioid-receptors-in-gamma-aminobutyric-acidergic-forebrain-neurons-moderate-motivation-for-heroin-and-palatable-food
#2
Pauline Charbogne, Olivier Gardon, Elena Martín-García, Helen L Keyworth, Aya Matsui, Anna E Mechling, Thomas Bienert, Taufiq Nasseef, Anne Robé, Luc Moquin, Emmanuel Darcq, Sami Ben Hamida, Patricia Robledo, Audrey Matifas, Katia Befort, Claire Gavériaux-Ruff, Laura-Adela Harsan, Dominik von Elverfeldt, Jurgen Hennig, Alain Gratton, Ian Kitchen, Alexis Bailey, Veronica A Alvarez, Rafael Maldonado, Brigitte L Kieffer
BACKGROUND: Mu opioid receptors (MORs) are central to pain control, drug reward, and addictive behaviors, but underlying circuit mechanisms have been poorly explored by genetic approaches. Here we investigate the contribution of MORs expressed in gamma-aminobutyric acidergic forebrain neurons to major biological effects of opiates, and also challenge the canonical disinhibition model of opiate reward. METHODS: We used Dlx5/6-mediated recombination to create conditional Oprm1 mice in gamma-aminobutyric acidergic forebrain neurons...
December 26, 2016: Biological Psychiatry
https://www.readbyqxmd.com/read/28146248/disruption-of-reward-processing-in-addiction-an-image-based-meta-analysis-of-functional-magnetic-resonance-imaging-studies
#3
Maartje Luijten, Arnt F Schellekens, Simone Kühn, Marise W J Machielse, Guillaume Sescousse
Importance: Disrupted reward processing, mainly driven by striatal dysfunction, is a key characteristic of addictive behaviors. However, functional magnetic resonance imaging (fMRI) studies have reported conflicting results, with both hypoactivations and hyperactivations during anticipation and outcome notification of monetary rewards in addiction. Objective: To determine the nature and direction of reward-processing disruptions during anticipation and outcome notification of monetary rewards in individuals with addiction using image-based meta-analyses of fMRI studies...
February 1, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28135387/the-opioid-epidemic-what-does-it-mean-for-nurses
#4
Laura G Leahy
The United States is facing a major crisis with the current opioid epidemic. Tens of thousands of individuals are dying each year due to abuse and misuse of heroin and prescription opiate drugs. Nurses play an integral role in these aspects of health care and offer solutions by providing education; preventive measures; treatments, including medication-assisted treatments (MATs); and ongoing recovery options for individuals with opioid use disorders. Nurses provide education, issue prescriptions and dispense medications, and provide overall physical and mental health care to patients struggling with this "disease of the brain," and with the signing of the Comprehensive Addiction and Recovery Act, advanced practice RNs will soon be able to include MATs related to buprenorphine as part of their treatment plan...
January 1, 2017: Journal of Psychosocial Nursing and Mental Health Services
https://www.readbyqxmd.com/read/28134427/preliminary-estimates-of-the-economic-implications-of-addiction-in-the-united-arab-emirates
#5
C M Doran
This study aimed to provide preliminary estimates of the economic implications of addiction in the United Arab Emirates (UAE). Local and international data sources were used to derive estimates of substancerelated healthcare costs, lost productivity and criminal behaviour. From an estimated population of 8.26 million: ~1.47 million used tobacco (20.5% of adults); 380 085 used cannabis (> 5%); 14 077 used alcohol in a harmful manner (0.2%); and 1408 used opiates (0.02%). The cost of addiction was estimated at US$ 5...
January 23, 2017: Eastern Mediterranean Health Journal, la Revue de Santé de la Méditerranée Orientale
https://www.readbyqxmd.com/read/28132698/mortality-related-to-methadone-maintenance-treatment-in-stockholm-sweden-during-2006-2013
#6
Anders Ledberg
BACKGROUND: Methadone maintenance treatment (MMT) of opiate addiction was introduced in Sweden 50years ago. The first Swedish programs were modeled after the original Dole and Nyswander program, with strict criteria for admittance into treatment, and have been shown to have positive effects on social and health variables, including mortality. During the last 11years, there have been a number of changes in the regulations controlling MMT-programs in Sweden, and the criteria for admittance are now much less strict compared to previous ones...
March 2017: Journal of Substance Abuse Treatment
https://www.readbyqxmd.com/read/28111265/p-gp-abcb1-exerts-differential-impacts-on-brain-and-fetal-exposure-to-norbuprenorphine
#7
Michael Z Liao, Chunying Gao, Laura M Shireman, Brian Phillips, Linda J Risler, Naveen K Neradugomma, Prachi Choudhari, Bhagwat Prasad, Danny D Shen, Qingcheng Mao
Norbuprenorphine is the major active metabolite of buprenorphine which is commonly used to treat opiate addiction during pregnancy. Norbuprenorphine produces marked respiratory depression and was 10 times more potent than buprenorphine. Therefore, it is important to understand the mechanism that controls fetal exposure to norbuprenorphine, as exposure to this compound may pose a significant risk to the developing fetus. P-gp/ABCB1 and BCRP/ABCG2 are two major efflux transporters regulating tissue distribution of drugs...
January 19, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28100012/characterization-and-management-of-patients-with-heroin-versus-non-heroin-opioid-overdoses-experience-at-an-academic-medical-center
#8
Kate M Morizio, Regan A Baum, Adam Dugan, Julia E Marin, Abby M Bailey
STUDY OBJECTIVES: To characterize the differences between patients who had heroin and non-heroin opioid overdoses and to determine whether there were any significant differences in their management with regard to the naloxone use. DESIGN: Retrospective cohort study. SETTING: Large, academic medical center. PATIENTS: A total of 923 patients admitted to the medical center who were identified for overdose by heroin or other opiate-related narcotics between January 2010 and September 2015; 480 patients experienced a non-heroin opioid overdose event, and 443 patients experienced a heroin overdose event...
January 18, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28051842/the-use-of-auricular-acupuncture-in-opioid-use-disorder-a-systematic-literature-review
#9
REVIEW
Tanya E Baker, Grace Chang
BACKGROUND AND OBJECTIVES: Opioid use disorder (OUD) is a chronic disease with significant personal, societal, and public health consequences. Even for the minority who receive the most effective evidence-based treatments, morbidity, and mortality remain significant. These facts, along with the recovery movement calling for individualized, holistic, culturally sensitive care, have led to the exploration of adjunctive interventions including acupuncture. Despite hundreds of international trials, however, there is a lack of consensus regarding its efficacy in OUD due in large part to methodological issues of trials to date...
December 2016: American Journal on Addictions
https://www.readbyqxmd.com/read/28051839/social-context-and-perspectives-of-non-medical-prescription-opioid-use-among-young-adults-in-rhode-island-a-qualitative-study
#10
Jesse L Yedinak, Elizabeth N Kinnard, Scott E Hadland, Traci C Green, Melissa A Clark, Brandon D L Marshall
BACKGROUND AND OBJECTIVES: This pilot study examined the context of nonmedical prescription opioid (NMPO) use and related risk behaviors among young adults in Rhode Island, a New England region with markedly high prevalence of NMPO use and overdose mortality. METHODS: We conducted semi-structured interviews (n = 13) with young adults (18-29 year-olds) who reported current or recent NMPO use. We also conducted focus groups (two groups, n = 14 total) with professional service providers recruited from service organizations...
December 2016: American Journal on Addictions
https://www.readbyqxmd.com/read/28050185/comparing-acceptance-and-commitment-group-therapy-and-12-steps-narcotics-anonymous-in-addict-s-rehabilitation-process-a-randomized-controlled-trial
#11
Manoochehr Azkhosh, Ali Farhoudianm, Hemn Saadati, Fateme Shoaee, Leila Lashani
Objective: Substance abuse is a socio-psychological disorder. The aim of this study was to compare the effectiveness of acceptance and commitment therapy with 12-steps Narcotics Anonymous on psychological well-being of opiate dependent individuals in addiction treatment centers in Shiraz, Iran. Method: This was a randomized controlled trial. Data were collected at entry into the study and at post-test and follow-up visits. The participants were selected from opiate addicted individuals who referred to addiction treatment centers in Shiraz...
October 2016: Iranian Journal of Psychiatry
https://www.readbyqxmd.com/read/28042871/acute-d3-antagonist-gsk598809-selectively-enhances-neural-response-during-monetary-reward-anticipation-in-drug-and-alcohol-dependence
#12
Anna Murphy, Liam J Nestor, John McGonigle, Louise Paterson, Venkataramana Boyapati, Karen D Ersche, Remy Flechais, Shankar Kuchibatla, Antonio Metastasio, Csaba Orban, Filippo Passetti, Laurence Reed, Dana Smith, John Suckling, Eleanor Taylor, Trevor W Robbins, Anne Lingford-Hughes, David J Nutt, John Fw Deakin, Rebecca Elliott
: Evidence suggests that disturbances in neurobiological mechanisms of reward and inhibitory control maintain addiction and provoke relapse during abstinence. Abnormalities within the dopamine system may contribute to these disturbances and pharmacologically targeting the D3 dopamine receptor (DRD3) is therefore of significant clinical interest. We used functional magnetic resonance imaging to investigate the acute effects of the DRD3 antagonist GSK598809 on anticipatory reward processing, using the monetary incentive delay task (MIDT), and response inhibition using the go/no-go task (GNGT)...
January 2, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28035035/analysis-of-u-47700-a-novel-synthetic-opioid-in-human-urine-by-lc-ms-ms-and-lc-qtof
#13
Steven W Fleming, Justin C Cooley, Leonard Johnson, C Clinton Frazee, Kristina Domanski, Kurt Kleinschmidt, Uttam Garg
The illicit drug market has rapidly evolved from synthetic cannabinoids to cathinone derivatives and now a new emerging threat of synthetic opioids. These compounds were mostly developed by pharmaceutical companies during drug discovery. The new psychoactive substances are not routinely covered in drug screening and may go undetected. Recently fentanyl analogous, AH-7921, MT-45 and now U-47700 have been encountered in clinical and forensic casework. U-47700 is gaining popularity on drug user forms as a legal alternative to heroin...
December 29, 2016: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/27974484/buprenorphine-norbuprenorphine-r-methadone-and-s-methadone-upregulate-bcrp-abcg2-expression-by-activating-aryl-hydrocarbon-receptor-in-human-placental-trophoblasts
#14
Naveen K Neradugomma, Michael Z Liao, Qingcheng Mao
Opioid dependence during pregnancy is a rising concern. Maintaining addicted pregnant women on long-acting opioid receptor agonist is the most common strategy to manage drug abuse in pregnant women. Methadone (MET) and buprenorphine (BUP) are widely prescribed for opiate maintenance therapy. Norbuprenorphine (NBUP) is the primary active metabolite of BUP. These medications can cross the placenta to the fetus, leading to postpartum neonatal abstinence syndrome. Despite their use during pregnancy, little is known about the cellular changes in the placenta brought about by these drugs...
March 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/27933094/the-newer-opioid-agonist-treatment-with-lower-substitutive-opiate-doses-is-associated-with-better-toxicology-outcome-than-the-older-harm-reduction-treatment
#15
Jacopo V Bizzarri, Valentina Casetti, Livia Sanna, Angelo Giovanni Icro Maremmani, Luca Rovai, Silvia Bacciardi, Daria Piacentino, Andreas Conca, Icro Maremmani
BACKGROUND: Charge-free heroin use disorder treatment in Italy follows two main approaches, i.e., harm reduction treatment (HRT) strategy in community low-threshold facilities for drug addiction and opioid agonist treatment (OAT) in high-threshold facilities for opioid addiction, focusing on pharmacological maintenance according to the Dole and Nyswander strategy. We aimed to compare the impact of HRT and OAT on patient outcome, as assessed through negativity for drugs on about 1-year urinalyses...
2016: Annals of General Psychiatry
https://www.readbyqxmd.com/read/27919294/heantos-4-a-natural-plant-extract-used-in-the-treatment-of-drug-addiction-modulates-t-type-calcium-channels-and-thalamocortical-burst-firing
#16
Stuart M Cain, Soyon Ahn, Esperanza Garcia, Yiming Zhang, Zeina Waheed, John R Tyson, Yi Yang, Tran Van Sung, Anthony G Phillips, Terrance P Snutch
Heantos-4 is a refined combination of plant extracts currently approved to treat opiate addiction in Vietnam. In addition to its beneficial effects on withdrawal and prevention of relapse, reports of sedation during clinical treatment suggest that arousal networks in the brain may be recruited during Heantos administration. T-type calcium channels are implicated in the generation of sleep rhythms and in this study we examined whether a Heantos-4 extraction modulates T-type calcium channel currents generated by the Cav3...
December 5, 2016: Molecular Brain
https://www.readbyqxmd.com/read/27901585/a-review-of-positron-emission-tomography-studies-exploring-the-dopaminergic-system-in-substance-use-with-a-focus-on-tobacco-as-a-co-variate
#17
Thulasi Thiruchselvam, Saima Malik, Bernard Le Foll
With the evolving sensitivity of positron emission tomography (PET) and the emergence of novel radiotracers, greater insight has been gained into the dopaminergic system as it relates to substance use. In this review, we summarize PET investigations from the last ten years that explore the dopaminergic system in tobacco, alcohol, stimulant, opiates, and cannabis addiction. In light of the prevalence of substance co-use, this review will also explore the effect of tobacco and other substance abuse co-morbidity on the dopaminergic system across study samples in the reviewed literature...
March 2017: American Journal of Drug and Alcohol Abuse
https://www.readbyqxmd.com/read/27888955/emotion-dysregulation-mediates-between-childhood-emotional-abuse-and-motives-for-substance-use
#18
Usha Barahmand, Ali Khazaee, Goudarz Sadeghi Hashjin
The purpose of this study is to assess the relative mediating effects of impulsivity and emotion dysregulation in the relationship between childhood maltreatment and motives for opiate use. Seventy four adolescent users of Tramadol, a synthetic opiate, were recruited from a boot camp for de-addiction and rehabilitation services for the study. Data were collected between May, 2014 and November, 2014. Participants completed assessments of childhood abuse history, difficulties regulating emotions, impulsiveness and motives for substance use as well as a socio-demographic information sheet...
December 2016: Archives of Psychiatric Nursing
https://www.readbyqxmd.com/read/27863698/striatal-h3k27-acetylation-linked-to-glutamatergic-gene-dysregulation-in-human-heroin-abusers-holds-promise-as-therapeutic-target
#19
Gabor Egervari, Joseph Landry, James Callens, John F Fullard, Panos Roussos, Eva Keller, Yasmin L Hurd
BACKGROUND: Opiate abuse and overdose reached epidemic levels in the United States. However, despite significant advances in animal and in vitro models, little knowledge has been directly accrued regarding the neurobiology of the opiate-addicted human brain. METHODS: We used postmortem human brain specimens from a homogeneous European Caucasian population of heroin users for transcriptional and epigenetic profiling, as well as direct assessment of chromatin accessibility in the striatum, a brain region central to reward and emotion...
September 28, 2016: Biological Psychiatry
https://www.readbyqxmd.com/read/27853327/the-effects-of-maternal-opium-abuse-on-fetal-heart-rate-using-non-stress-test
#20
Fatemeh Keikha, Fahimeh Ghotbizadeh Vahdani, Sahar Latifi
BACKGROUND: Opium is one of the most commonly abused opiates in developing countries including Iran. Considering the importance of maternal health on the newborn, we aimed to assess the effect of opium abuse on fetal heart rate (FHR) characteristics in a sample of pregnant women in Zahedan, Southeast Iran. METHODS: This cross-sectional study was done on 100 pregnant women referring to Ali-Ibn-Abi Talib Hospital in Zahedan, during 2011-2013. The participants were divided into two groups comprising of opium abusers and healthy individuals...
November 2016: Iranian Journal of Medical Sciences
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