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https://www.readbyqxmd.com/read/28207902/methamphetamine-treatment-outcomes-among-gay-men-attending-a-lgbti-specific-treatment-service-in-sydney-australia
#1
Toby Lea, Johann Kolstee, Sarah Lambert, Ross Ness, Siobhan Hannan, Martin Holt
Gay and bisexual men (GBM) report higher rates of methamphetamine use compared to heterosexual men, and thus have a heightened risk of developing problems from their use. We examined treatment outcomes among GBM clients receiving outpatient counseling at a lesbian, gay, bisexual, transgender and intersex (LGBTI)-specific, harm reduction treatment service in Sydney, Australia. GBM receiving treatment for methamphetamine use from ACON's Substance Support Service between 2012-15 (n = 101) were interviewed at treatment commencement, and after 4 sessions (n = 60; follow-up 1) and 8 sessions (n = 32; follow-up 2)...
2017: PloS One
https://www.readbyqxmd.com/read/28187390/the-fate-of-pharmaceuticals-and-personal-care-products-ppcps-endocrine-disrupting-contaminants-edcs-metabolites-and-illicit-drugs-in-a-wwtw-and-environmental-waters
#2
Edward Archer, Bruce Petrie, Barbara Kasprzyk-Hordern, Gideon M Wolfaardt
A large number of emerging contaminants (ECs) are known to persist in surface waters, and create pressure on wastewater treatment works (WWTW) for their effective removal. Although a large database for the levels of these pollutants in water systems exist globally, there is still a lack in the correlation of the levels of these pollutants with possible long-term adverse health effects in wildlife and humans, such as endocrine disruption. The current study detected a total of 55 ECs in WWTW influent surface water, 41 ECs in effluent, and 40 ECs in environmental waters located upstream and downstream of the plant...
January 26, 2017: Chemosphere
https://www.readbyqxmd.com/read/28183221/sofosbuvir-in-the-treatment-of-early-hcv-infection-in-hiv-infected-men
#3
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/28178739/methamphetamine-consumption-during-pregnancy-effects-on-child-health
#4
Jürgen Dinger, Patricia Hinner, Jörg Reichert, Mario Rüdiger
Methamphetamine abuse during pregnancy represents an emerging health care problem. The consequences are not only of relevance to the pregnant women, but also their unborn child. It is associated with an increased risk of preeclampsia and hypertension, fetal demise, preterm delivery, and intrauterine growth restriction. The deleterious effects of prenatal methamphetamine exposure on the developing fetal brain may lead to long-term neuro-developmental and behavioral problems.Given the current evidence, abuse of methamphetamine during pregnancy must be of utmost concern to health care professionals and to policy-makers...
February 8, 2017: Pharmacopsychiatry
https://www.readbyqxmd.com/read/28131519/urine-drug-testing-results-and-paired-oral-fluid-comparison-from-patients-enrolled-in-long-term-medication-assisted-treatment-in-tennessee
#5
Katie L Miller, Brandi L Puet, Ali Roberts, Cheryl Hild, Jason Carter, David L Black
Urine drug testing is recommended for individuals receiving medication-assisted treatment. It provides objective information for practitioners to consider and may serve as a protective factor against drug-related mortality. The primary objective of our study was to describe urine drug testing results for patients undergoing long-term medication-assisted treatment (≥6months). The secondary objective was to provide further evidence to establish oral fluid as a reliable alternative to urine. All subjects (n=639) included in the study were enrolled in one of five treatment centers in the state of Tennessee, and all urine specimens were positive for either methadone or buprenorphine...
January 25, 2017: Journal of Substance Abuse Treatment
https://www.readbyqxmd.com/read/28130052/pharmacological-activation-of-the-neurotensin-receptor-1-abrogates-the-methamphetamine-induced-striatal-apoptosis-in-the-mouse-brain
#6
Qingkun Liu, Ariela Hazan, Eddie Grinman, Jesus A Angulo
Methamphetamine (METH) is a widely abused psychostimulant displaying potent addictive and neurotoxic properties. METH induces neurotoxicity of dopaminergic terminals and striatal neurons in the striatum. Despite much information on neurotransmitters, the role of neuropeptides is poorly understood. In this study, we investigated the role of the neuropeptide neurotensin on the METH-induced apoptosis of some striatal neurons in mice. We observed that a single injection of METH (30 mg/kg, ip) induced the loss of approximately 15% of striatal neurons...
January 24, 2017: Brain Research
https://www.readbyqxmd.com/read/28110822/oxytocin-acts-in-nucleus-accumbens-to-attenuate-methamphetamine-seeking-and-demand
#7
Brittney M Cox, Brandon S Bentzley, Helaina Regen-Tuero, Ronald E See, Carmela M Reichel, Gary Aston-Jones
BACKGROUND: Evidence indicates that oxytocin, an endogenous peptide well known for its role in social behaviors, childbirth, and lactation, is a promising addiction pharmacotherapy. We employed a within-session behavioral-economic (BE) procedure in rats to examine oxytocin as a pharmacotherapy for methamphetamine (meth) addiction. The BE paradigm was modeled after BE procedures used to assess motivation for drugs in humans with addiction. The same BE variables assessed across species have been shown to predict later relapse behavior...
December 1, 2016: Biological Psychiatry
https://www.readbyqxmd.com/read/28109106/-effect-of-methamphetamine-exposure-on-s-nitrosylation-of-protein-disulphide-isomerase-in-pc12-cells
#8
Xiao-Fang Wu, Ai-Feng Wang, Ping-Ming Qiu
OBJECTIVE: To study the effect of methamphetamine (METH) exposure on S-nitrosylation of protein disulphide isomerase and the neurotoxicity of METH in PC12 cells. METHODS: PC12 cells were exposed to different concentrations of METH, and the cell viability was assessed using the cell-counting kit-8. PC12 cells exposed to METH in the presence of the NOS inhibitor N-nitro-L-arginine (L-NNA) were examined for cell viability and S-nitrosylation of protein disulphide isomerase using the biotin-switch method, and the changes in cell morphology were examined with HE staining...
January 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28107598/dropout-in-clinical-trials-of-pharmacologic-treatment-for-methamphetamine-dependence-the-role-of-initial-abstinence
#9
Ryan Cook, Brendan Quinn, Keith Heinzerling, Steve Shoptaw
BACKGROUND AND AIMS: High rates of loss to follow-up represent a significant challenge to clinical trials of pharmacologic treatments for methamphetamine (MA) use disorder. We aimed to estimate and test the relationship between achieving and maintaining abstinence in the initial weeks of study participation and subsequent retention in such trials, hypothesizing that participants able to achieve early abstinence would be less likely to drop out. DESIGN: Data from four randomized controlled trials (RCTs) of pharmacologic treatments for MA use disorder were pooled and analyzed using a random-effects approach...
January 20, 2017: Addiction
https://www.readbyqxmd.com/read/28092450/preintervention-profiles-of-information-motivational-and-behavioral-self-efficacy-for-methamphetamine-use-and-hiv-medication-adherence-among-gay-and-bisexual-men
#10
Tyrel J Starks, Brett M Millar, Jonathan M Lassiter, Jeffrey T Parsons
Although rates of crystal methamphetamine use in the United States have fallen from their peak in the mid-2000s, use remains a major public health concern, which disproportionately affects gay and bisexual men (GBM). It poses a particular challenge for HIV-positive men, for whom it has been linked to medication adherence problems as well as compromised immune function. Although the information, motivation, and behavioral skills (IMB) model has been widely used to conceptualize health behavior, little is known about GBM's initial levels of information, motivation, and behavioral self-efficacy to improve HIV medication adherence and to reduce crystal methamphetamine use at the outset of treatment...
February 2017: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/28073060/acute-behavioral-effects-of-co-administration-of-mephedrone-and-mdma-in-mice
#11
Barbara Budzynska, Agnieszka Michalak, Małgorzata Frankowska, Katarzyna Kaszubska, Grażyna Biała
BACKGROUND: Abuse of more than one psychoactive drug is becoming a global problem. Our experiments were designed to examine the effects of a concomitant administration of 3,4-methylenedioxy-methamphetamine (MDMA) and mephedrone on depression- and anxiety-like behaviors and cognitive processes in Swiss mice. METHODS: In order to investigate the drug interactions the forced swimming test (FST) - an animal model of depression, the passive avoidance (PA) test - a memory and learning paradigm, as well as the elevated plus maze (EPM) test - test for anxiety level were used...
October 11, 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28068828/key-differences-in-treatment-seeking-stimulant-users-attending-a-specialised-treatment-service-a-means-of-early-intervention
#12
Shalini Arunogiri, Margret Petrie, Michelle Sharkey, Dan I Lubman
OBJECTIVES: Few people who use stimulants seek clinical treatment. This study sought to describe a cohort of stimulant users who attended a stimulant-specific treatment service, Access Point, in Melbourne, Australia between 2008 and 2014. METHODS: A retrospective audit of the records of adults ( n = 175) who sought treatment for stimulant use at a stimulant-specific outpatient treatment service was conducted. RESULTS: Service users had a median age of 32 (range = 19-54)...
January 1, 2017: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
https://www.readbyqxmd.com/read/28063946/the-abuse-potential-of-two-novel-synthetic-cathinones-with-modification-on-the-alpha-carbon-position-2-cyclohexyl-2-methylamino-1-phenylethanone-machp-and-2-methylamino-1-phenyloctan-1-one-maop-and-their-effects-on-dopaminergic-activity
#13
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
The recreational use of synthetic cathinones has dramatically increased in recent years, which is partly due to easy accessibility and ability of synthetic cathinones to exert rewarding effects similar to cocaine and methamphetamine. Many synthetic cathinones have already been scheduled in several countries; however, novel and diverse synthetic cathinones are emerging at an unprecedented rate, often outpacing regulatory processes. Recently, designer modifications of the basic cathinone molecule are usually performed on the alpha-carbon position...
February 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28057490/blockade-of-patch-based-%C3%AE-opioid-receptors-in-the-striatum-attenuates-methamphetamine-induced-conditioned-place-preference-and-reduces-activation-of-the-patch-compartment
#14
Kristen A Horner, Mary Caroline Logan, Trevor J Fisher, Jordan B Logue
The behavioral effects of methamphetamine (METH) are mediated by the striatum, which is divided into the patch compartment, which mediates limbic and reward functions, and the matrix compartment, which mediates sensorimotor tasks. METH treatment results in repetitive behavior that is related to enhanced relative activation of the patch versus the matrix compartment. The patch, but not the matrix compartment contains a high density of μ opioid receptors, and localized blockade of patch-based μ opioid receptors attenuates METH-induced patch-enhanced activity and repetitive behaviors...
February 5, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28051103/maladaptive-sex-behavior-following-concurrent-methamphetamine-and-sexual-experience-in-male-rats-is-associated-with-altered-neural-activity-in-frontal-cortex
#15
Lindsey B Kuiper, Karla S Frohmader, Lique M Coolen
The use of psychostimulants is often associated with hypersexuality, and psychostimulant users have identified the effects of drug on sexual behavior as a reason for further use. It was previously demonstrated that methamphetamine (Meth), when administered concurrently with sexual behavior show impairment of inhibition of sexual behavior in a conditioned sex aversion (CSA) paradigm where mating is paired with illness. This is indicative of maladaptive sex behavior following Meth and sex experience. The present study examined the neural pathways activated during inhibition of sexual behavior and the effects of concurrent Meth and sexual behavior on neural activity in these pathways, using ERK phosphorylation (pERK) as neural activity marker...
January 4, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28028601/voluntary-inhalation-of-methamphetamine-a-novel-strategy-for-studying-intake-non-invasively
#16
C Juarez-Portilla, R D Kim, M Robotham, M Tariq, M Pitter, J LeSauter, R Silver
RATIONALE: The abuse of the psychostimulant methamphetamine (MA) is associated with substantial costs and limited treatment options. To understand the mechanisms that lead to abuse, animal models of voluntary drug intake are crucial. OBJECTIVES: We aimed to develop a protocol to study long-term non-invasive voluntary intake of MA in mice. METHODS: Mice were maintained in their home cages and allowed daily 1 h access to an attached tunnel leading to a test chamber in which nebulized MA was available...
December 27, 2016: Psychopharmacology
https://www.readbyqxmd.com/read/28008351/methamphetamine-addiction-potential-substitute-treatment
#17
Florence Levy
No abstract text is available yet for this article.
December 2016: Therapeutic Advances in Psychopharmacology
https://www.readbyqxmd.com/read/28008256/blonanserin-treatment-in-patients-with-methamphetamine-induced-psychosis-comorbid-with-intellectual-disabilities
#18
Kosuke Okazaki, Manabu Makinodan, Kazuhiko Yamamuro, Tomoyo Takata, Toshifumi Kishimoto
OBJECTIVE: Methamphetamine (MA) use has recently been associated with high levels of psychiatric hospitalization and serious social dysfunction. MA use causes frequent psychotic symptoms, which can be treated with antipsychotics. However, people with intellectual disabilities (ID) are vulnerable to adverse effects resulting from treatment with antipsychotic medications. METHOD: We report two cases of MA-induced psychosis (MAP) in patients with ID who were treated with the antipsychotic blonanserin...
2016: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28006940/does-effect-from-developmental-methamphetamine-exposure-on-spatial-learning-and-memory-depend-on-stage-of-neuroontogeny
#19
I Hrebíčková, M Ševčíková, K Nohejlová, R Šlamberová
Psychostimulants, including methamphetamine (MA), have neurotoxic effect, especially, if they are targeting CNS during its critical periods of development. The present study was aimed to examine cognitive changes after prenatal and neonatal MA treatment in combination with chronic MA exposure in adulthood of male rats. Eight groups of male rats were tested in adulthood: males whose mothers were exposed to MA (5 mg/kg) or saline (SA, 1 ml/kg) during the first half of gestation period (GD 1-11), the second half of gestation period (GD 12-22) and neonatal period (PD 1-11)...
December 22, 2016: Physiological Research
https://www.readbyqxmd.com/read/27993694/effects-of-chronic-methamphetamine-on-psychomotor-and-cognitive-functions-and-dopamine-signaling-in-the-brain
#20
Panayotis K Thanos, Ronald Kim, Foteini Delis, Mark J Rocco, Jacob Cho, Nora D Volkow
Methamphetamine (MA) studies in animals usually involve acute, binge, or short-term exposure to the drug. However, addicts take substantial amounts of MA for extended periods of time. Here we wished to study the effects of MA exposure on brain and behavior, using an animal model analogous to this pattern of MA intake. MA doses, 4 and 8mg/kg/day, were based on previously reported average daily freely available MA self-administration levels. We examined the effects of 16 week MA treatment on psychomotor and cognitive function in the rat using open field and novel object recognition tests and we studied the adaptations of the dopaminergic system, using in vitro and in vivo receptor imaging...
March 1, 2017: Behavioural Brain Research
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