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Gamma-hydroxybutyrate

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https://www.readbyqxmd.com/read/29113574/a-novel-sexual-health-referral-pathway-for-patients-presenting-to-the-emergency-department-with-gamma-hydroxybutyrate-or-gamma-butyrolactone-overdose
#1
A Hegazi, S Morton, M Pakianathan, C Cosgrove, R Aroney, E Dore, M Hempling
No abstract text is available yet for this article.
December 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28835196/prevalence-of-recreational-drug-use-reported-by-men-who-have-sex-with-men-attending-sexual-health-clinics-in-manchester-uk
#2
A Tomkins, S Ahmad, L Cannon, S P Higgins, M Kliner, A Kolyva, C Ward, R Vivancos
Recreational drug use (RDU) has been reported to be disproportionately higher in men who have sex with men (MSM) when compared to their heterosexual counterparts. To identify RDU, links to risky sexual practices and infections for MSM attending three sexual health clinics across Manchester, United Kingdom, a retrospective case note review was conducted using a random powered sample of service users attending three sites during 2014. Three hundred and fifty-seven case notes were reviewed across three sites. Eighteen per cent of service users reported any type of RDU...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28811136/determination-of-ghb-and-ghb-%C3%AE-o-glucuronide-in-hair-of-three-narcoleptic-patients-comparison-between-single-and-chronic-ghb-exposure
#3
Lena-Maria Mehling, Xin Wang, Sys-Stybe Johansen, Annika Spottke, Anna Heidbreder, Peter Young, Burkhard Madea, Cornelius Hess
Gamma-hydroxybutyric acid (GHB) can be used as a knock-out drug in drug facilitated crime (DFC). Due to its rapid metabolism and resulting narrow detection window, uncovering GHB use in DFC still constitutes a problem. In this experiment we determined the GHB and GHB-β-O-glucuronide (GHB-Gluc) concentrations in hair samples after single and chronic GHB exposures. Hair samples of three narcoleptic patients therapeutically taking sodium oxybate (GHB-sodium-salt) were collected. Patients 1 (P1) and 2 (P2) took the medication for nine and six years, respectively...
September 2017: Forensic Science International
https://www.readbyqxmd.com/read/28745845/sedative-hypnotic-drug-withdrawal-syndrome-recognition-and-treatment-digest
#4
Cynthia Santos, Ruben E Olmedo, Jeremy Kim
Sedative-hypnotic drugs include gamma-Aminobutyric acid (GABA)ergic agents such as benzodiazepines, barbiturates, gamma-Hydroxybutyric acid [GHB], gamma-Butyrolactone [GBL], baclofen, and ethanol. Chronic use of these substances can cause tolerance, and abrupt cessation or a reduction in the quantity of the drug can precipitate a life-threatening withdrawal syndrome. Benzodiazepines, phenobarbital, propofol, and other GABA agonists or analogues can effectively control symptoms of withdrawal from GABAergic agents...
March 22, 2017: Emergency Medicine Practice
https://www.readbyqxmd.com/read/28691863/how-can-those-engaging-in-chemsex-best-be-supported-an-online-survey-to-gain-intelligence-in-greater-manchester
#5
Andrew Tomkins, Roberto Vivancos, Chris Ward, Merav Kliner
Reports of sexualised drug taking (chemsex) have increased significantly in recent years. There is currently limited intelligence on chemsex outside of London. An anonymous survey was promoted via several sources including voluntary services and a sexual health clinic in order to establish the risks associated with chemsex, and how support services can best be tailored to meet the needs of those in Greater Manchester, UK. Quantitative and qualitative data were collected on demographics, drug use, sexual practices and barriers and facilitators to accessing support...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28664244/-erratum-to-treatment-of-fibromyalgia-syndrome-with-gamma-hydroxybutyrate-a-randomized-controlled-study
#6
E Reuter, S Tafelski, K Thieme, C West, U Haase, L Beck, M Schäfer, C Spies
No abstract text is available yet for this article.
August 2017: Der Schmerz
https://www.readbyqxmd.com/read/28579487/intoxication-by-gamma-hydroxybutyrate-and-related-analogues-clinical-characteristics-and-comparison-between-pure-intoxication-and-that-combined-with-other-substances-of-abuse
#7
MULTICENTER STUDY
Òscar Miró, Miguel Galicia, Paul Dargan, Alison M Dines, Isabelle Giraudon, Fridtjof Heyerdahl, Knut E Hovda, Christopher Yates, David M Wood
OBJECTIVE: To study the profile of European gamma-hydroxybutyrate (GHB) and gammabutyrolactone (GBL) intoxication and analyse the differences in the clinical manifestations produced by intoxication by GHB/GBL alone and in combination with other substances of abuse. METHOD: We prospectively collected data on all the patients attended in the Emergency Departments (ED) of the centres participating in the Euro-DEN network over 12 months (October 2013 to September 2014) with a primary presenting complaint of drug intoxication (excluding ethanol alone) and registered the epidemiological and clinical data and outcomes...
August 5, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28561068/gamma-hydroxybutyrate-increases-resting-state-limbic-perfusion-and-body-and-emotion-awareness-in-humans
#8
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/28534145/alterations-in-gene-expression-after-gamma-hydroxybutyric-acid-intake-a-pilot-study
#9
Lena-Maria Mehling, Annika Spottke, Anna Heidbreder, Peter Young, Burkhard Madea, Cornelius Hess, Cornelius Courts
Gamma-hydroxybutyric acid (GHB) acts as an agonist of the GABAB receptor, where GHB induces a depressant effect in the central nervous system. Besides its therapeutic application, GHB is also used as a date rape drug. However, the detection of GHB ingestion proves to be difficult due to its narrow detection window. The aim of this pilot study was to assess differential gene expressions after GHB intake to identify potential biomarkers for the detection of GHB intake. To this aim, alteration in gene expression of ALDH5A1, AKR7A2, EREG, and PEA15 was investigated via quantitative PCR (qPCR)...
May 22, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28531770/treatment-consumption-and-treatment-re-enrollment-in-ghb-dependent-patients-in-the-netherlands
#10
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/28527983/when-a-death-apparently-associated-to-sexual-assault-is-instead-a-natural-death-due-to-idiopathic-hypereosinophilic-syndrome-the-importance-of-gamma-hydroxybutyric-acid-analysis-in-vitreous-humor
#11
Francesco Paolo Busardò, Francesca Portelli, Angelo Montana, Maria Concetta Rotolo, Simona Pichini, Emiliano Maresi
We here report a case involving a 21-year-old female, found dead in a central square of a city in the south of Italy. Initial evidences and circumstances were suggestive of a death associated with a sexual assault. Two peripheral blood and two vitreous humor samples were collected for the purpose of gamma-hydroxybutyric acid (GHB) testing from the dead body at two different post-mortem intervals (PMIs): approximately 2 (t0) and 36 (t1) hours. The obtained results showed that, between t0 and t1, there was an increase of GHB concentrations in peripheral blood and vitreous humor of 66...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28480587/melatonin-successfully-rescues-hippocampal-bioenergetics-and-improves-cognitive-function-following-drug-intoxication-by-promoting-nrf2-are-signaling-activity
#12
Li-You Chen, Ting-Yi Renn, Wen-Chieh Liao, Fu-Der Mai, Ying-Jui Ho, George Hsiao, Ai-Wei Lee, Hung-Ming Chang
Prolonged exposure to gamma-hydroxybutyric acid (GHB) would cause drug intoxication in which impaired cognitive function results from enhanced hippocampal oxidative stress may serve as a major symptom in this deficiency. Considering melatonin possesses significant anti-oxidative efficacy, this study aimed to determine whether melatonin would successfully promote the nuclear factor erythroid 2-related factor 2 and antioxidant responsive element (Nrf2-ARE) signaling, depress oxidative stress, and rescue hippocampal bioenergetics and cognitive function following drug intoxication injury...
May 8, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28460656/gamma-hydroxybutyrate-ghb-an-unusual-cause-of-high-anion-gap-metabolic-acidosis
#13
Laurence Carlier, Vincent Van Belleghem, Kathleen Croes, Frederik Hooft, Matthias Desmet, Olivier Heylen, Stijn Lambrecht, Stefaan Carlier
The causes of high anion gap metabolic acidosis (HAGMA) are well described in the literature. However, sometimes more frequent causes of HAGMA cannot explain its occurrence. In the case of HAGMA and severe neurological depression in the absence of other causes of HAGMA, clinicians should consider an intoxication with gamma-hydroxybutyrate (GHB) as a possible cause. GHB is endogenous to the mammalian central nervous system (CNS). Synthetic GHB was initially used as an anesthetic but is now only licensed for medical use in a limited number of indications such as the treatment of narcolepsy...
May 2, 2017: CJEM
https://www.readbyqxmd.com/read/28439922/illicit-drug-use-among-new-zealand-gay-and-bisexual-men-prevalence-and-association-with-sexual-health-behaviours
#14
Peter Saxton, David Newcombe, Arslan Ahmed, Nigel Dickson, Anthony Hughes
INTRODUCTION AND AIMS: Data are lacking on drug use among gay and bisexual men (GBM) in New Zealand. We establish a baseline estimate of drug use and investigate associations with sexual health and HIV risk. DESIGN AND METHODS: A cross-sectional survey of GBM was conducted in gay community settings and online. Participants were asked their frequency of using nine drugs (poppers, cannabis, ecstasy, methamphetamine, amphetamine, cocaine, LSD, gamma hydroxybutyrate and ketamine) in the previous 6 months...
April 25, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28429067/neuronal-oscillations-and-synchronicity-associated-with-gamma-hydroxybutyrate-during-resting-state-in-healthy-male-volunteers
#15
Robin von Rotz, Michael Kometer, Dario Dornbierer, Jürg Gertsch, M Salomé Gachet, Franz X Vollenweider, Erich Seifritz, Oliver G Bosch, Boris B Quednow
RATIONALE: Gamma-hydroxybutyrate (GHB) is a putative neurotransmitter, a drug of abuse, an anesthetic agent, and a treatment for neuropsychiatric disorders. In previous electroencephalography (EEG) studies, GHB was shown to induce an electrophysiological pattern of "paradoxical EEG-behavioral dissociation" characterized by increased delta and theta oscillations usually associated with sleep during awake states. However, no detailed source localization of these alterations and no connectivity analyses have been performed yet...
July 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28425102/fatal-overdose-of-gamma-hydroxybutyrate-acid-after-ingestion-of-1-4-butanediol
#16
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/28300620/catabolism-of-gaba-succinic-semialdehyde-or-gamma-hydroxybutyrate-through-the-gaba-shunt-impair-mitochondrial-substrate-level-phosphorylation
#17
Dora Ravasz, Gergely Kacso, Viktoria Fodor, Kata Horvath, Vera Adam-Vizi, Christos Chinopoulos
GABA is catabolized in the mitochondrial matrix through the GABA shunt, encompassing transamination to succinic semialdehyde followed by oxidation to succinate by the concerted actions of GABA transaminase (GABA-T) and succinic semialdehyde dehydrogenase (SSADH), respectively. Gamma-hydroxybutyrate (GHB) is a neurotransmitter and a psychoactive drug that could enter the citric acid cycle through transhydrogenation with α-ketoglutarate to succinic semialdehyde and d-hydroxyglutarate, a reaction catalyzed by hydroxyacid-oxoacid transhydrogenase (HOT)...
October 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28284776/neural-underpinnings-of-prosexual-effects-induced-by-gamma-hydroxybutyrate-in-healthy-male-humans
#18
Oliver G Bosch, Michael M Havranek, Andrea Baumberger, Katrin H Preller, Robin von Rotz, Marcus Herdener, Rainer Kraehenmann, Philipp Staempfli, Milan Scheidegger, Tim Klucken, Erich Seifritz, Boris B Quednow
Gamma-hydroxybutyrate (GHB) is a GHB-/GABAB-receptor agonist currently used as treatment for narcolepsy but also as a drug of abuse. Non-medical GHB users have repeatedly reported prosexual effects including libido-enhancement and lowering of attractiveness standards for partner selection. Here, we examined the putative prosexual effects of oral GHB in healthy males in two experiments both employing randomized, placebo-controlled, double-blind, balanced, and cross-over study designs. In experiment I, subjective effects of 20 and 35mg/kg GHB vs...
April 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28249788/the-mrna-expression-of-insulin-like-growth-factor-1-igf1-is-decreased-in-the-rat-frontal-cortex-following-gamma-hydroxybutyrate-ghb-administration
#19
Erika Brolin, Jenny Johansson, Sofia Zelleroth, Shanti Diwakarla, Fred Nyberg, Alfhild Grönbladh, Mathias Hallberg
In recent years, growth hormone (GH), together with its secondary mediators insulin-like growth factor-1 (IGF-1) and insulin-like growth factor-2 (IGF-2), have been highlighted for their beneficial effects in the central nervous system (CNS), in particular as cognitive enhancers. Cognitive processes, such as learning and memory, are known to be impaired in individuals suffering from substance abuse. In the present study, we investigated the effect of gamma-hydroxybuturate (GHB), an illicit drug used for its sedating and euphoric properties, on genes associated with the somatotrophic axis in regions of the brain important for cognitive function...
April 12, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28213850/gamma-hydroxybutyrate-ghb-content-in-hair-samples-correlates-negatively-with-age-in-succinic-semialdehyde-dehydrogenase-deficiency
#20
S S Johansen, X Wang, D Sejer Pedersen, P L Pearl, J-B Roullet, G R Ainslie, K R Vogel, K M Gibson
Gamma-hydroxybutyrate (GHB) is a drug of abuse, an approved therapeutic for narcolepsy, an agent employed for facilitation of sexual assault, as well as a biomarker of succinic semialdehyde dehydrogenase deficiency (SSADHD). Our laboratory seeks to identify surrogate biomarkers in SSADHD that can shed light on the developmental course of this neurometabolic disease. Since GHB may be quantified in hair as a potential surrogate to identify victims of drug-related assault, we have opted to examine its level in SSADHD...
2017: JIMD Reports
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