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https://www.readbyqxmd.com/read/28919445/cognitive-effects-of-labeled-addictolytic-medications
#1
REVIEW
Camille Noélie Pujol, Cecilia Paasche, Vincent Laprevote, Benoit Trojak, Pierre Vidailhet, Elisabeth Bacon, Laurence Lalanne
INTRODUCTION: Alcohol, tobacco, and illegal drug usage is pervasive throughout the world, and abuse of these substances is a major contributor to the global disease burden. Many pharmacotherapies have been developed over the last 50years to target addictive disorders. While the efficacy of these pharmacotherapies is largely recognized, their cognitive impact is less known. However, all substance abuse disorders are known to promote cognitive disorders like executive dysfunction and memory impairment...
September 14, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28844014/changes-in-smoking-status-among-a-longitudinal-cohort-of-gay-bisexual-and-other-men-who-have-sex-with-men-in-vancouver-canada
#2
Helia Shariati, Heather L Armstrong, Zishan Cui, Nathan J Lachowsky, Julia Zhu, Praney Anand, Eric A Roth, Robert S Hogg, Greg Oudman, Christina Tonella, David M Moore
BACKGROUND: Cigarette smoking is common among gay, bisexual, and other men who have sex with men (GBMSM) and most of the mortality gap between HIV-positive and HIV-negative individuals is attributable to smoking. METHODS: We recruited sexually active HIV-positive and HIV-negative GBMSM age ≥16 years using respondent-driven sampling. Study visits occurred every six months for up to four years and included a computer-assisted self-interview and clinical assessment...
August 16, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28658981/pharmacotherapy-of-alcoholism-an-update-on-approved-and-off-label-medications
#3
Michael Soyka, Christian A Müller
Only a few medications are available for the treatment of alcohol use disorders (AUDs). Areas covered: This paper discusses approved AUD medications, including the opioid antagonists naltrexone and nalmefene (the latter is licensed for reduction of alcohol consumption only), the putative glutamate receptor antagonist acamprosate and the aldehyde dehydrogenase inhibitor disulfiram. It also covers off-label medications of interest, including topiramate, gabapentin, ondansetron, varenicline, baclofen, sodium oxybate and antidepressants...
August 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28602470/further-evidence-for-ghb-naturally-occurring-in-common-non-alcoholic-beverages
#4
Simon P Elliott, Paolo Fais
GHB has been implicated in many cases of suspected surreptitious administration with the purpose of increasing victim vulnerability to sexual assault. Low amounts of endogenous (or naturally occurring) GHB, which do not reach pharmacologically active levels, have been detected in alcoholic and non-alcoholic beverages. Due to the continued requirement to obtain data on the presence of endogenous GHB in various beverage types, GHB concentrations were measured in a series of non-alcoholic beverages. Tonic water and lemon flavoured tonic water beverages were analysed at 0, 24 and 96h after the bottle opening using gas chromatography coupled to tandem mass spectrometry (GC-MS/MS) on an Agilent 6890/7000C Triple Quadrupole...
May 20, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28561068/gamma-hydroxybutyrate-increases-resting-state-limbic-perfusion-and-body-and-emotion-awareness-in-humans
#5
Oliver G Bosch, Fabrizio Esposito, Michael M Havranek, Dario Dornbierer, Robin von Rotz, Philipp Staempfli, Boris B Quednow, Erich Seifritz
Gamma-hydroxybutyrate (GHB) is a GHB-/GABA-B receptor agonist inducing a broad spectrum of subjective effects including euphoria, disinhibition, and enhanced vitality. It is used as treatment for neuropsychiatric disorders including narcolepsy and alcohol withdrawal, but is also a drug of abuse. Non-medical users report enhancement of body and emotion awareness during intoxication. However, the neuronal underpinnings of such awareness alterations under GHB are unknown so far. The assessment of regional cerebral blood flow (rCBF) by pharmacological magnetic resonance imaging (phMRI) enables the elucidation of drug-induced functional brain alterations...
October 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28531770/treatment-consumption-and-treatment-re-enrollment-in-ghb-dependent-patients-in-the-netherlands
#6
Martijn S van Noorden, Ton Mol, Jeroen Wisselink, Wil Kuijpers, Boukje A G Dijkstra
BACKGROUND: The objective of this study was to assess treatment consumption and re-enrollment in treatment in patients with gamma-hydroxybutyrate (GHB)-dependence in Dutch Addiction Treatment Centers (ATCs) in comparison with other addictions. METHODS: A cohort-study using nationwide administrative data from regular Dutch ATCs associated with the Dutch National Alcohol and Drugs Information System (LADIS), covering an estimated 95% of ATCs. We selected in- and out-patients with alcohol, drug and/or behavioral addictions with a first treatment episode in 2008-2011 and consecutive treatments until 2013 (n=71,679)...
May 16, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28425102/fatal-overdose-of-gamma-hydroxybutyrate-acid-after-ingestion-of-1-4-butanediol
#7
Erwan Le Garff, Vadim Mesli, Raphael Cornez, Christophe Demarly, Gilles Tournel, Valery Hédouin
We report a case of fatal intoxication from 1,4-butanediol (1,4-BD), which was ingested by a young and "naïve" gamma-hydroxybutyrate (GHB) consumer during a party with the co-ingestion of alcohol, cannabis, and methylene-dioxy-methamphetamine. The following drug concentrations were found using gas chromatography coupled with mass spectrometry on autopsy samples and on a cup and a glass found at the scene: 20,350 mg/L (bottle) for 1,4-BD; 1020 mg/L (femoral blood), 3380 mg/L (cardiac blood), 47,280 mg/L (gastric content), and 570 mg/L (vitreous humor) for GHB...
April 20, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28110168/ultra-high-performance-liquid-chromatography-tandem-mass-spectrometry-uhplc-ms-ms-for-determination-of-ghb-precursors-and-metabolites-in-different-specimens-application-to-clinical-and-forensic-cases
#8
Francesco Paolo Busardò, Chrystalla Kyriakou, Emilia Marchei, Roberta Pacifici, Daniel Sejer Pedersen, Simona Pichini
Gamma-hydroxybutyric acid (GHB) acts as a precursor and metabolite of the inhibitory central nervous system (CNS) neurotransmitter gamma-aminobutyric acid (GABA). Sodium salt of GHB has been used as a medication for narcolepsy and alcohol withdrawal. Moreover, GHB and its precursor gamma-butyrolactone (GBL), are illegal recreational drugs of abuse. A procedure based on ultra-high-performance liquid chromatography tandem mass spectrometry has been developed and validated in plasma, urine, cerebrospinal fluid and hair for acute and chronic exposure to GHB and in seized preparations coming from black market...
April 15, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/27808415/an-open-label-study-of-sodium-oxybate-in-spasmodic-dysphonia
#9
RANDOMIZED CONTROLLED TRIAL
Anna F Rumbach, Andrew Blitzer, Steven J Frucht, Kristina Simonyan
OBJECTIVES/HYPOTHESIS: Spasmodic dysphonia (SD) is a task-specific laryngeal dystonia that affects speech production. Co-occurring voice tremor (VT) often complicates the diagnosis and clinical management of SD. Treatment of SD and VT is largely limited to botulinum toxin injections into laryngeal musculature; other pharmacological options are not sufficiently developed. STUDY DESIGN: Open-label study. METHODS: We conducted an open-label study in 23 SD and 22 SD/VT patients to examine the effects of sodium oxybate (Xyrem), an oral agent with therapeutic effects similar to those of alcohol in these patients...
June 2017: Laryngoscope
https://www.readbyqxmd.com/read/27755988/eight-years-of-psychiatric-examination-of-detainees-by-forensic-physicians-in-the-netherlands
#10
Karen E van den Hondel, Anne Linde Saaltink, Peter Paul M Bender
BACKGROUND: Forensic physicians are responsible for first-line medical care of detainees (individuals held in custody) in the police station. The Dutch police law contains a 'duty of care', which gives the police responsibility for the apparent mentally ill and/or confused people they encounter during their work. The police can ask a forensic physician to do a primary psychiatric assessment of any apparent mentally ill detainee. The forensic physician determines if the apparent mentally ill behavior of the detainee is due to a somatic illness, or has a psychiatric cause for which the detainee needs admission to a psychiatric hospital...
November 2016: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/27601032/a-proposed-preventive-role-for-gamma-hydroxybutyrate-xyrem-r-in-alzheimer-s-disease
#11
Michel Maitre, Christian Klein, Ayikoe G Mensah-Nyagan
Gamma-hydroxybutyrate (GHB or Xyrem(R)) is frequently used in humans for several clinical indications, including anesthesia, narcolepsy/cataplexy, and alcohol-withdrawal symptoms. Pharmacological effects induced in the brain by therapeutic doses of Xyrem(R) are generally GABAergic-dependent. These effects allow sedation, stress/anxiety reduction, deep sleep induction, decrease of neuroinflammation, and neuroprotection. Furthermore, Xyrem(R) promotes the expression of pivotal genes reducing toxic proteinopathies, as demonstrated in laboratory animal models...
September 6, 2016: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/27581664/presentations-to-an-urban-emergency-department-in-switzerland-due-to-acute-%C3%AE-hydroxybutyrate-toxicity
#12
Evangelia Liakoni, Fabio Walther, Christian H Nickel, Matthias E Liechti
BACKGROUND: γ-Hydroxybutyrate (GHB) is a drug of abuse with dose-dependent sedative effects. Systematic data on the acute toxicity of GHB from emergency department (ED) presentations over a long period of time are currently missing from the literature. The present study described the clinical features of GHB toxicity. METHODS: Retrospective case series of GHB intoxications seen in an urban ED. RESULTS: From January 2002 to September 2015, 78 GHB-related intoxication cases were recorded (71 % male patients)...
August 31, 2016: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/27257716/driving-under-the-influence-of-non-alcohol-drugs-an-update-part-ii-experimental-studies
#13
REVIEW
M C Strand, H Gjerde, J Mørland
Experimental studies on the impairing effects of drugs of relevance to driving-related performance published between 1998 and 2015 were reviewed. Studies with on-the-road driving, driving simulators, and performance tests were included for benzodiazepines and related drugs, cannabis, opioids, stimulants, GHB, ketamine, antihistamines, and antidepressants. The findings in these experimental studies were briefly discussed in relation to a review of epidemiological studies published recently. The studies mainly concluded that there may be a significant psychomotor impairment after using benzodiazepines or related drugs, cannabis, opioids, GHB, or ketamine...
July 2016: Forensic Science Review
https://www.readbyqxmd.com/read/26959045/a-brief-up-date-of-the-use-of-sodium-oxybate-for-the-treatment-of-alcohol-use-disorder
#14
REVIEW
Fabio Caputo, Teo Vignoli, Claudia Tarli, Marco Domenicali, Giorgio Zoli, Mauro Bernardi, Giovanni Addolorato
The treatment of alcohol use disorder (AUD) with sodium oxybate (SMO) or gamma-hydroxybutyric acid (GHB) was introduced in Italy and Austria more than 20 years and 15 years ago, respectively, and it is now widely employed to treat alcohol withdrawal syndrome (AWS) and to maintain alcohol abstinence. These indications derive from its similar structure to the inhibitory neurotransmitter γ-amino-butyric acid (GABA), exerting an ethanol-mimicking effect, because it binds to GABAB receptors. Craving for, and abuse of, SMO remain a controversial issue; even though these unfavorable effects are evident in poly-drug addicted patients and in those with psychiatric diagnosis of borderline personality disorder...
March 5, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/26860331/sodium-oxybate-plus-nalmefene-for-the-treatment-of-alcohol-use-disorder-a-case-series
#15
Fabio Caputo, Angelo G I Maremmani, Giovanni Addolorato, Marco Domenicali, Giorgio Zoli, Antonio D'Amore, Icro Maremmani, Mauro Bernardi
The treatment of alcohol use disorder still remains a challenge. The efficacy of the combined pharmacological treatment for alcohol use disorder has been widely investigated with controversial results. The aim of our case series was to investigate the effect of nalmefene in patients not responding to sodium oxybate therapy. We describe seven cases of consecutive patients affected by alcohol use disorder, and treated with sodium oxybate (50 mg/kg per day) who did not achieve complete alcohol abstinence after at least one month of pharmacological treatment...
April 2016: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/26773222/determination-of-safety-margins-for-whole-blood-concentrations-of-alcohol-and-nineteen-drugs-in-driving-under-the-influence-cases
#16
Lena Kristoffersen, Dag Helge Strand, Veronica Horpestad Liane, Vigdis Vindenes, Ingunn Fride Tvete, Magne Aldrin
Legislative limits for driving under the influence of 20 non-alcohol drugs were introduced in Norway in February 2012. Per se limits corresponding to blood alcohol concentrations (BAC) of 0.2g/kg were established for 20 psychoactive drugs, and limits for graded sanctions corresponding to BACs of 0.5 and 1.2g/kg were determined for 13 of these drugs. This new legislation made it possible for the courts to make sentences based on the analytical results, similar to the situation for alcohol. To ensure that the reported concentration is as least as high as the true concentration, with a 99% safety level, safety margins had to be calculated for each of the substances...
February 2016: Forensic Science International
https://www.readbyqxmd.com/read/26747417/attentional-bias-and-executive-control-in-treatment-seeking-substance-dependent-adolescents-a-cross-sectional-and-follow-up-study
#17
Madelon E van Hemel-Ruiter, Reinout W Wiers, Frank G Brook, Peter J de Jong
BACKGROUND: Research in adults shows that substance dependent individuals demonstrate attentional bias (AB) for substance-related stimuli. This study investigated the role of AB in adolescents diagnosed with alcohol, cannabis, amphetamine or GHB dependency on entering therapy and six months later, and the role of executive control (EC) as a moderator of the relationship between problem severity and AB. METHODS: Seventy-eight young substance-dependent (SD) patients (mean age=19...
February 1, 2016: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/26709723/pharmacotherapy-of-alcoholic-liver-disease-in-clinical-practice
#18
REVIEW
V Rosato, L Abenavoli, A Federico, M Masarone, M Persico
AIMS: Alcohol is the most commonly used addictive substance and alcoholic liver disease (ALD) is a major cause of chronic liver disease worldwide, responsible for 47.9% of all liver chronic deaths. Despite ALD has a significant burden on the health, few therapeutic advances have been made in the last 40 years, particularly in the long-term management of these patients. METHODS: we searched in PubMed, Scopus, Google Scholar, and MEDLINE databases to identify relevant English language publications focused on long-term therapy of ALD...
February 2016: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/26698265/clinical-applications-of-sodium-oxybate-ghb-from-narcolepsy-to-alcohol-withdrawal-syndrome
#19
REVIEW
F P Busardò, C Kyriakou, S Napoletano, E Marinelli, S Zaami
Gamma-hydroxybutyrate (GHB) is a short chain fatty acid endogenously produced within the central nervous system (CNS) and acts as a precursor and metabolite of the inhibitory neurotransmitter γ-aminobutyric acid (GABA). Although, it is an illegal recreational drug of abuse, its sodium salt (sodium oxybate) has been utilized as a medication for a number of medical conditions. The first aim of this review was to focus on current applications of sodium oxybate for the treatment of narcolepsy, with a particular emphasis on the key symptoms of this disorder: cataplexy and excessive daytime sleepiness (EDS)...
December 2015: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/26659543/pharmacokinetics-and-pharmacodynamics-of-%C3%AE-hydroxybutyrate-in-healthy-subjects
#20
RANDOMIZED CONTROLLED TRIAL
Matthias E Liechti, Boris B Quednow, Evangelia Liakoni, Dario Dornbierer, Robin von Rotz, Maria Salomé Gachet, Jürg Gertsch, Erich Seifritz, Oliver G Bosch
AIMS: γ-Hydroxybutyrate (GHB) is used as a treatment for narcolepsy and alcohol withdrawal and as a recreational substance. Nevertheless, there are limited data on the pharmacokinetics and pharmacokinetic-pharmacodynamic relationships of GHB in humans. We characterized the pharmacokinetic profile and exposure-psychotropic effect relationship of GHB in humans. METHODS: Two oral doses of GHB (25 and 35 mg kg(-1) ) were administered to 32 healthy male subjects (16 for each dose) using a randomized, placebo-controlled, cross-over design...
May 2016: British Journal of Clinical Pharmacology
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