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https://www.readbyqxmd.com/read/28231664/-cross-sectional-surveys-on-the-use-of-recreational-drug-nitrous-acid-ester-rush-poppers-in-men-who-have-sex-with-men-nanjing
#1
Z P Zhu, M Zhang, Y Y Xu, W J Xu, L Liu, S S Wu, L Guo, X Li
Objective: To investigate the situation of recreational drug nitrous acid ester inhaler-rush poppers use in men who have sex with men (MSM). Methods: From April to June in 2014, October to December in 2014, April to June in 2015, three round cross-sectional surveys were conducted in MSM recruited in Nanjing by means of serum test and questionnaire survey. Results: Of the 1 721 MSM surveyed in three round, 19.3% (332/1 721) had ever used rush poppers, the proportions of MSM who used rush poppers in three round surveys showed an increasing trend (liner by liner χ(2)= 14...
February 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28223891/what-should-we-tell-our-patients-about-marijuana-cannabis-indica-and-cannabis-sativa
#2
EDITORIAL
Joseph Pizzorno
With several states allowing medicinal use of marijuana and a growing number decriminalizing recreational use, many of our patients are using this herbal drug. Approximately 43% of US adults have tried marijuana, with 13% using it regularly. These users are seeking help from integrative medicine practitioners regarding safety. They are looking for advice based on research and clinical experience, not politics or philosophical bias. The major health problems caused by marijuana appear to be bronchial irritation, decreased motivation, learning difficulties, and injuries...
December 2016: Integrative Medicine
https://www.readbyqxmd.com/read/28223849/review-about-gabapentin-misuse-interactions-contraindications-and-side-effects
#3
REVIEW
Gabriel C Quintero
The current work is targeted to review the risks of gabapentin misuse, its potential interactions with other drugs, side effects and use contraindications. This review consists of a total of 99 biographical references (from the year 1983 to 2016). A publication search of PubMed was performed from January 1983 to December 2016. It included animal studies, clinical studies, case studies and reviews related to gabapentin misuse, potential interactions, side effects and use contraindications. The search terms were gabapentin, anticonvulsant and antiepileptic...
2017: Journal of Experimental Pharmacology
https://www.readbyqxmd.com/read/28219076/effect-of-n-benzylpiperazine-its-metabolite-n-benzylethylenediamine-and-its-disubstituted-analogue-n-n-dibenzylpiperazine-on-the-acquisition-formation-and-consolidation-of-memory-in-mice
#4
Juan Carlos Castillo-Hernández, Josué A Velázquez-Moyado, Adelfo Reyes-Ramírez, Elena G Ramírez-López, Martín González-Andrade, Andrés Navarrete
BACKGROUND: N-benzylpiperazine (BZP) belongs to a class of piperazine derivatives (PZDs) that have emerged as recreational drugs. These compounds increase the release of dopamine and serotonin. BZP mimics the psychoactive effects of 3,4-methylenedioxymethylamphetamine. BZP is metabolized to N-benzylethylenediamine (BEDA) and benzylamine. The compound N,N'-dibenzylpiperazine (DBZP) is obtained as a byproduct during the synthesis of BZP. Some PZDs have shown effects on memory; however, there are no previous reports on the activity of BZP, BEDA, and DBZP on memory or on a description of their neuropharmacological profile...
February 21, 2017: Pharmacology
https://www.readbyqxmd.com/read/28217616/cocaine-induced-vasculitis-with-cutaneous-manifestation-a-recurrent-episode-after-2-years
#5
Thein Swe, Mona Pervil-Ulysse, Aam A Baqui
Cocaine is a popular recreational drug in the United States, and up to 70% of the seized cocaine contains levamisole which is an antihelminthic that can cause cutaneous vasculitis with necrosis and positive antineutrophil cytoplasmic antibodies (ANCAs). Here, we report a unique case of recurrent cocaine-induced vasculitis in a patient who smokes cocaine for more than 20 years. A 38-year-old woman complained of painful erythematous rash in her right arm and right thigh which appeared some hours after smoking cocaine...
July 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28213776/the-importance-of-drug-induced-sedation-endoscopy-d-i-s-e-techniques-in-surgical-decision-making-conventional-versus-target-controlled-infusion-techniques-a-prospective-randomized-controlled-study-and-a-retrospective-surgical-outcomes-analysis
#6
Andrea De Vito, Vanni Agnoletti, Gianluca Zani, Ruggero Massimo Corso, Giovanni D'Agostino, Elisabetta Firinu, Chiara Marchi, Ying-Shuo Hsu, Stefano Maitan, Claudio Vicini
Drug-Induced Sedation Endoscopy (DISE) consists of the direct observation of the upper airways during sedative-induced sleep, allowing the identification of the sites of pharyngeal collapse, which is the main pathological event in Obstructive Sleep Apnea (OSA). The Authors have compared Target Controlled Infusion (TCI) sedation endoscopy (TCI-DISE) technique to conventional DISE (CDISE), performed by a manual bolus injection of sedative agent, to recreate accurately and safely snoring and apnea patterns comparable to natural sleep...
February 17, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28212939/cannabis-exacerbates-depressive-symptoms-in-rat-model-induced-by-reserpine
#7
Yasser A Khadrawy, Hussein G Sawie, Omar M E Abdel-Salam, Eman N Hosny
Cannabis sativa is one of the most widely recreational drugs and its use is more prevalent among depressed patients. Some studies reported that Cannabis has antidepressant effects while others showed increased depressive symptoms in Cannabis users. Therefore, the present study aims to investigate the effect of Cannabis extract on the depressive-like rats. Twenty four rats were divided into: control, rat model of depression induced by reserpine and depressive-like rats treated with Cannabis sativa extract (10mg/kg expressed as Δ9-tetrahydrocannabinol)...
February 14, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28199917/desomorphine-krokodil-an-overview-of-its-chemistry-pharmacology-metabolism-toxicology-and-analysis
#8
REVIEW
Diego Hernando Ângulo Florez, Ana Maria Dos Santos Moreira, Pedro Rafael da Silva, Ricardo Brandão, Marcella Matos Cordeiro Borges, Fernando José Malagueño de Santana, Keyller Bastos Borges
BACKGROUND: "Krokodil" or "Crocodile" is an illegal homemade desomorphine drug obtained from chemical reactions of commercial codeine drugs with several other powerful and highly toxic chemical agents increasing its addiction and hallucinogenic effects when compared with other morphine analogues. METHODS: This paper summarizes a complete review about an old drug called desomorphine (Krokodil), presenting its chemistry, pharmacology, metabolism, toxicology and analysis...
January 31, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28192758/ultra-high-performance-liquid-chromatography-tandem-mass-spectrometry-for-simple-and-simultaneous-quantification-of-cannabinoids
#9
Rohitash Jamwal, Ariel R Topletz, Bharat Ramratnam, Fatemeh Akhlaghi
Cannabis is used widely in the United States, both recreationally and for medical purposes. Current methods for analysis of cannabinoids in human biological specimens rely on complex extraction process and lengthy analysis time. We established a rapid and simple assay for quantification of Δ(9)-tetrahydrocannabinol (THC), cannabidiol (CBD), 11-hydroxy Δ(9)-tetrahydrocannabinol (11-OH THC) and 11-nor-9-carboxy-Δ(9)-tetrahydrocannbinol (THCCOOH) in human plasma by U-HPLC-MS/MS usingΔ9-tetrahydrocannabinol-D3 (THC-D3) as the internal standard...
February 6, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28189103/ultrasound-assisted-dispersive-liquid-liquid-microextraction-for-the-determination-of-seven-recreational-drugs-in-human-whole-blood-using-gas-chromatography-mass-spectrometry
#10
Zebin Lin, Jiaolun Li, Xinyu Zhang, Meihong Qiu, Zhibin Huang, Yulan Rao
Recreational drugs have large impact on public health and security, and to monitor them is of urgent demand. In the present study, ultrasound-assisted dispersive liquid-liquid microextraction combined with the detection of gas chromatography-mass spectrometry was applied to the determination of seven common recreational drugs, including amphetamine, methamphetamine, 3,4-methylenedioxyamphetamine, 3,4-methylenedioxymethamphetamine, meperidine, methadone and ketamine in 200μL of human whole blood. A series of factors which would affect the extraction efficiency were systematically investigated, including the nature and the volume of extraction and dispersing solvents, ultrasonication time, salting-out effect and pH value...
January 22, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28188220/cannabinoids-activate-monoaminergic-signaling-to-modulate-key-c-elegans-behaviors
#11
Mitchell Oakes, Wen Jing Law, Tobias Clark, Bruce Bamber, Richard Komuniecki
Cannabis or marijuana, a popular recreational drug, alters sensory perception and exerts a range of potential medicinal benefits. The present study demonstrates that the endogenous cannabinoid receptor agonists, 2-arachidonoylglycerol (2-AG) and anandamide (AEA) activate a canonical cannabinoid receptor in C. elegans and also modulate monoaminergic signaling at multiple levels. 2-AG or AEA inhibit nociception and feeding through a pathway requiring the cannabinoid-like receptor, NPR-19. 2-AG or AEA activate NPR-19 directly and cannabinoid-dependent inhibition can be rescued in npr-19 null animals by the expression of a human cannabinoid receptor, CB1, highlighting the orthology of the receptors...
February 10, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28183221/sofosbuvir-in-the-treatment-of-early-hcv-infection-in-hiv-infected-men
#12
Ahmed El Sayed, Zachary R Barbati, Samuel S Turner, Andrew L Foster, Tristan Morey, Douglas T Dieterich, Daniel S Fierer
BACKGROUND: There is an international epidemic of hepatitis C virus (HCV) infection among HIV-infected men who have sex with men. We previously showed that adding telaprevir to pegylated interferon (IFN) and ribavirin (RBV) both shortened treatment and increased the cure rate of early HCV in these men. Whether shortening treatment of early HCV using IFN-free regimens would be similarly successful has not yet been demonstrated. METHODS: We performed a pilot study of treatment with sofosbuvir (SOF) + RBV for 12 weeks in early genotype 1 HCV infection in HIV-infected men...
February 10, 2017: HIV Clinical Trials
https://www.readbyqxmd.com/read/28179474/individual-differences-in-the-relative-reinforcing-effects-of-3-4-methylenedioxypyrovalerone-mdpv-under-fixed-and-progressive-ratio-schedules-of-reinforcement-in-rats
#13
Brenda M Gannon, Kayla I Galindo, Kenner C Rice, Gregory T Collins
The recreational use of designer drugs, including synthetic cathinones (bath salts), is associated with high levels of abuse and toxicity, and represents a growing threat to public health. MDPV (3,4-methylenedioxypyrovalerone) is a cocaine-like monoamine uptake inhibitor, and one of the most widely available and abused synthetic cathinones. The present study used male Sprague-Dawley rats to directly compare: (1) the acquisition of responding for MDPV and cocaine under a fixed ratio (FR) 1 schedule of reinforcement; (2) full dose-response curves for MDPV and cocaine under FR5; and (3) progressive ratio (PR) schedules of reinforcement...
February 8, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28177278/does-spontaneous-remission-occur-in-polyarteritis-nodosa-%C3%A2
#14
Simon Beyaert, Menno Pruijm, Salah Dine Qanadli, Peter Vollenweider, Matthieu Halfon
BACKGROUND: Polyarteritis nodosa (PAN) is a systemic vasculitis involving mainly medium-sized arteries and, rarely, small-sized arteries. The diagnosis is principally based on clinical exams, biopsy of an affected organ, and/or arteriography of renal or mesenteric arteries. Once diagnosed, immunosuppressive agents, such as glucocorticoids and cyclophosphamide, are generally introduced as soon as possible. Whether spontaneous remission of PAN occurs is therefore largely unknown. PRESENTATION: We describe the case of a 51-year-old woman who presented with a 4-day-history of intense pain in her left flank, hypertension, fever, microscopic hematuria, and acute renal failure...
February 8, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28173643/the-abuse-potential-of-%C3%AE-piperidinopropiophenone-pipp-and-%C3%AE-piperidinopentiothiophenone-pivt-two-new-synthetic-cathinones-with-piperidine-ring-substituent
#15
Chrislean Jun Botanas, Seong Shoon Yoon, June Bryan de la Peña, Irene Joy Dela Peña, Mikyung Kim, Taeseon Woo, Joung-Wook Seo, Choon-Gon Jang, Kyung-Tae Park, Young Hun Lee, Yong Sup Lee, Hee Jin Kim, Jae Hoon Cheong
A diversity of synthetic cathinones has flooded the recreational drug marketplace worldwide. This variety is often a response to legal control actions for one specific compound (e.g. methcathinone) which has resulted in the emergence of closely related replacement. Based on recent trends, the nitrogen atom is one of the sites in the cathinone molecule being explored by designer type modifications. In this study, we designed and synthesized two new synthetic cathinones, (1) α-piperidinopropiophenone (PIPP) and (2) α-piperidinopentiothiophenone (PIVT), which have piperidine ring substituent on their nitrogen atom...
February 6, 2017: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/28167221/toxicological-evaluation-of-5-methoxy-2-aminoindane-meai-binge-mitigating-agent-in-development
#16
Jakob A Shimshoni, Ilan Winkler, Nir Edery, Ezekiel Golan, René van Wettum, David Nutt
5-Methoxy-2-aminoindane (MEAI) is a psychoactive compound of the aminoindane class, which in recent years has been recreationally used by many people, who reported of a mild euphoric, alcohol-like tipsy experience and reduced desire to consume alcoholic beverages. In the light of these observations it was decided to progress MEAI through a preliminary drug development route and evaluate the acute and subacute toxicity of MEAI administrated orally to Sprague Dawley rats, as well as to determine potential in-vitro cytotoxic and mutagenic effects using state-of-the-art protocols...
February 4, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28160034/the-effects-of-synthetic-cannabinoids-on-executive-function
#17
K Cohen, M Kapitány-Fövény, Y Mama, M Arieli, P Rosca, Z Demetrovics, A Weinstein
BACKGROUND AND AIMS: There is a growing use of novel psychoactive substances (NPSs) including synthetic cannabinoids. Synthetic cannabinoid products have effects similar to those of natural cannabis but the new synthetic cannabinoids are more potent and dangerous and their use has resulted in various adverse effects. The purpose of the study was to assess whether persistent use of synthetic cannabinoids is associating with impairments of executive function in chronic users. METHODS: A total of 38 synthetic cannabinoids users, 43 recreational cannabis users, and 41 non-user subjects were studied in two centers in Hungary and Israel...
February 3, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28155214/ra-differentiation-enhances-dopaminergic-features-changes-redox-parameters-and-increases-dopamine-transporter-dependency-in-6-hydroxydopamine-induced-neurotoxicity-in-sh-sy5y-cells
#18
Fernanda M Lopes, Leonardo Lisbôa da Motta, Marco A De Bastiani, Bianca Pfaffenseller, Bianca W Aguiar, Luiz F de Souza, Geancarlo Zanatta, Daiani M Vargas, Patrícia Schönhofen, Giovana F Londero, Liana M de Medeiros, Valder N Freire, Alcir L Dafre, Mauro A A Castro, Richard B Parsons, Fabio Klamt
Research on Parkinson's disease (PD) and drug development is hampered by the lack of suitable human in vitro models that simply and accurately recreate the disease conditions. To counteract this, many attempts to differentiate cell lines, such as the human SH-SY5Y neuroblastoma, into dopaminergic neurons have been undertaken since they are easier to cultivate when compared with other cellular models. Here, we characterized neuronal features discriminating undifferentiated and retinoic acid (RA)-differentiated SH-SYSY cells and described significant differences between these cell models in 6-hydroxydopamine (6-OHDA) cytotoxicity...
February 2, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28130506/evaluation-of-hepatitis-c-testing-in-men-who-have-sex-with-men-and-associated-risk-behaviours-in-manchester-uk
#19
G Ireland, S Higgins, B Goorney, C Ward, S Ahmad, C Stewart, R Simmons, S Lattimore, V Lee
OBJECTIVE: To determine the prevalence of newly diagnosed hepatitis C virus (HCV) and associated risk behaviours among men who have sex with men (MSM) in Manchester. METHOD: A survey among MSM attending four genitourinary medicine clinics in Manchester was carried out over 9 months in 2013. Participants were asked about recent sexual behaviour, recreational drug use and HIV status. All men were offered an HCV test. RESULTS: Overall, 2030 MSM completed a questionnaire and accepted an HCV test...
January 27, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28127591/tasty-thc-promises-and-challenges-of-cannabis-edibles
#20
Daniel G Barrus, Kristen L Capogrossi, Sheryl C Cates, Camille K Gourdet, Nicholas C Peiper, Scott P Novak, Timothy W Lefever, Jenny L Wiley
Food products containing cannabis extract (edibles) have emerged as a popular and lucrative facet of the legalized market for both recreational and medicinal cannabis. The many formulations of cannabis extracts used in edibles present a unique regulatory challenge for policy makers. Though edibles are often considered a safe, discreet, and effective means of attaining the therapeutic and/or intoxicating effects of cannabis without exposure to the potentially harmful risks of cannabis smoking, little research has evaluated how ingestion differs from other methods of cannabis administration in terms of therapeutic efficacy, subjective effects, and safety...
November 2016: Methods Report
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