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https://www.readbyqxmd.com/read/28926353/randomized-double-blind-placebo-and-active-comparator-controlled-crossover-study-evaluating-the-abuse-potential-of-the-antiepileptic-drug-lacosamide-in-healthy-recreational-drug-users
#1
Kerri A Schoedel, Jens-Otto Andreas, Pamela Doty, Klaus Eckhardt, Edward M Sellers
PURPOSE: This phase 1, randomized, double-blind, placebo- and active comparator-controlled crossover study assessed the abuse potential of the antiepileptic drug, lacosamide. METHODS: After a qualification phase, 38 healthy, recreational central nervous system-depressant users were randomized to treatment sequences comprising single oral therapeutic (200 mg) and supratherapeutic (800 mg) doses of lacosamide, alprazolam (1.5 and 3 mg), and placebo. Subjective effects were assessed for 24 hours following each dose using a range of scales, with a 5- to 9-day washout between treatments...
September 18, 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28923561/update-on-the-safety-of-phosphodiesterase-type-5-inhibitors-for-the-treatment-of-erectile-dysfunction
#2
REVIEW
Faysal A Yafi, Ira D Sharlip, Edgardo F Becher
INTRODUCTION: Phosphodiesterase type 5 inhibitors (PDE5Is) have demonstrated efficacy in the treatment of erectile dysfunction (ED). Although historically found to have limited drug-related adverse events, emerging data have suggested that PDE5Is might be associated with melanoma or recurrence of prostate cancer after radical prostatectomy. AIM: To summarize the literature on the safety of PDE5Is. METHODS: A literature review was performed through PubMed from 1990 through 2016 regarding ED...
September 8, 2017: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/28923034/an-implementation-science-protocol-of-the-women-s-health-coop-in-healthcare-settings-in-cape-town-south-africa-a-stepped-wedge-design
#3
Wendee M Wechsberg, Jacqueline W Ndirangu, Ilene S Speizer, William A Zule, Winnifred Gumula, Courtney Peasant, Felicia A Browne, Laura Dunlap
BACKGROUND: HIV persists as a public health emergency in South Africa, especially among women of childbearing age. In response to the HIV epidemic, the Joint United Nations Programme on HIV/AIDS has put forth the 90-90-90 global goals to achieve an AIDS-free generation by 2020. This goal aspires to have 90% of people living with HIV diagnosed; 90% of those who test positive on sustained antiretroviral therapy (ART); and 90% of those on ART be virally suppressed. Ensuring access to ART is an important first step in reducing HIV incidence, especially among vulnerable populations such as women who use substances and bear the burden of HIV in South Africa...
September 18, 2017: BMC Women's Health
https://www.readbyqxmd.com/read/28921783/barriers-to-listing-for-hiv-infected-patients-being-evaluated-for-kidney-transplantation
#4
Dong Heun Lee, Suzanne M Boyle, Gregory E Malat, Christopher Kern, Charles Milrod, Shannon DeBellis, Meera N Harhay, Karthik Ranganna, Stephen Guy, Sindhura Talluri, Tiffany Bias, Alden Doyle
BACKGROUND: Human immunodeficiency virus (HIV)-infected patients have excellent outcomes following kidney transplantation (KT) but still might face barriers in the evaluation and listing process. The aim of this study was to characterize the patient population, referral patterns, and outcomes of HIV-infected patients who present for KT evaluation. METHODS: We performed a single-center retrospective cohort study of HIV-infected patients who were evaluated for KT...
September 16, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28921667/polysubstance-use-among-adolescents-in-a-low-income-rural-community-latent-classes-for-middle-and-high-school-students
#5
Roderick A Rose, Caroline B R Evans, Paul R Smokowski, Matthew O Howard, Katie L Stalker
PURPOSE: Rural communities are currently being impacted by a nationwide epidemic of prescription opioid misuse. Rural adolescent substance users may be at substantial risk for later addiction to these and other drugs. METHODS: This study uses Latent Class Analysis to identify subtypes of polysubstance users among a sample of 7,074 rural adolescents. Separate models were estimated for middle- and high-school youth. Predictive validity was estimated using cumulative ordinal logistic regression of the classes on a set of youth and family characteristics...
September 18, 2017: Journal of Rural Health
https://www.readbyqxmd.com/read/28921596/single-cocaine-exposure-does-not-alter-striatal-presynaptic-dopamine-function-in-mice-an-18-f-fdopa-pet-study
#6
D R Bonsall, M Kokkinou, M Veronese, C Coello, L A Wells, O D Howes
Cocaine is a recreational drug of abuse that binds to the dopamine transporter (DAT), preventing reuptake of dopamine into presynaptic terminals. The increased presence of synaptic dopamine results in stimulation of both pre- and postsynaptic dopamine receptors, considered an important mechanism by which cocaine elicits its reinforcing properties. However, the effects of acute cocaine administration on presynaptic dopamine function remain unclear. Non-invasive imaging techniques such as positron emission tomography (PET) have revealed impaired presynaptic dopamine function in chronic cocaine users...
September 18, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28920085/baseline-prescription-and-one-year-persistence-of-secondary-prevention-drugs-after-an-index-stroke-in-central-ghana
#7
Fred Stephen Sarfo, Bruce Ovbiagele, John Akassi, Gloria Kyem
BACKGROUND AND PURPOSE: There is a paucity of data on persistence of secondary prevention medications among stroke survivors in resource-limited settings where stroke is on a rapid upward trajectory and its management severely challenged. To avert new cardiovascular events after stroke, preventive medications should be promptly instituted and used continuously. We report 1-year rates and determinants of persistent utilization of secondary prevention therapies after stroke in Ghana. METHODS: A retrospective observational study involving 418 stroke survivors enrolled into a Neurology clinic in a tertiary institution in central Ghana between January 2011 and December 2013...
March 2017: ENeurologicalSci
https://www.readbyqxmd.com/read/28919445/cognitive-effects-of-labeled-addictolytic-medications
#8
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/28919080/regulation-of-glutamate-transporter-1-glt-1-gene-expression-by-cocaine-self-administration-and-withdrawal
#9
Ronald Kim, Marian T Sepulveda-Orengo, Kati L Healey, Emily A Williams, Kathryn J Reissner
Downregulation of the astroglial glutamate transporter GLT-1 is observed in the nucleus accumbens (NAc) following administration of multiple drugs of abuse. The decrease in GLT-1 protein expression following cocaine self-administration is dependent on both the amount of cocaine self-administered and the length of withdrawal, with longer access to cocaine and longer withdrawal periods leading to greater decreases in GLT-1 protein. However, the mechanism(s) by which cocaine downregulates GLT-1 protein remains unknown...
September 14, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28917948/effects-of-methamphetamine-on-alloparental-behavior-in-male-and-female-prairie-voles
#10
Adam N Perry, Richard J Ortiz, Keziah R Hernandez, Bruce S Cushing
Psychostimulant abuse is associated with a variety of impairments in social functioning, including an increased frequency of depression and aggression and deficits in social cognition. Psychostimulants reduce social investigation in rats and mice; however, it is less clear how other forms of social behavior (e.g., prosocial behavior) are affected. Females are also generally more sensitive to the effects of psychostimulants on locomotion and stereotyped behavior, which suggests that females might also display greater disruption of prosocial behavior...
September 13, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28917801/development-of-a-quantitative-approach-in-blood-plasma-for-low-dosed-hallucinogens-and-opioids-using-lc-high-resolution-mass-spectrometry
#11
Achim T Caspar, Andreas B Kollas, Hans H Maurer, Markus R Meyer
The WHO annually reports an increasing abuse of new psychoactive substances (NPS), which are a heterogeneous group of synthetic drugs and are consumed as substitute for controlled drugs of abuse. In this work, we focused on highly potent derivatives such those of phenethylamine (2C), N-2-methoxybenzyl phenethylamine (NBOMes), lysergic acid diethylamide (LSD), and fentanyl. Severe to fatal intoxications were described due to their high potency. Therefore, they have to be taken at very low doses resulting in low blood concentration in the low ng/mL range, which is a challenge for reliable analytical detection and quantification...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28917762/full-validation-of-a-method-for-the-determination-of-drugs-of-abuse-in-non-mineralized-dental-biofilm-using-liquid-chromatography-tandem-mass-spectrometry-and-application-to-postmortem-samples
#12
Kerstin Henkel, Markus J Altenburger, Volker Auwärter, Merja A Neukamm
Alternative matrices play a major role in postmortem forensic toxicology, especially if common matrices (like body fluids or hair) are not available. Incorporation of illicit and medicinal drugs into non-mineralized dental biofilm (plaque) seems likely but has not been investigated so far. Analysis of plaque could therefore extend the spectrum of potentially used matrices in postmortem toxicology. For this reason, a rapid, simple and sensitive method for the extraction, determination and quantification of ten drugs of abuse from plaque using liquid chromatography-tandem mass spectrometry (LC-MS/MS) was developed and fully validated...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28917598/matrix-effect-free-quantitative-liquid-chromatography-mass-spectrometry-analysis-in-complex-matrices-using-nanoflow-lc-with-integrated-emitter-tip-and-high-dilution-factors
#13
David Moreno-González, Jaime Alcántara-Durán, Bienvenida Gilbert-López, Juan F García-Reyes, Antonio Molina-Díaz
Matrix effects are probably the Achilles heel of most quantitative liquid chromatography mass spectrometry (LC-MS) methods based on electrospray ionization. This work reports the evaluation of matrix effects in challenging matrices such as food extracts, human urine or wastewater at different dilution factors using nanoflow liquid chromatography-high resolution mass spectrometry (LC-MS). For this purpose, a suite of representative low-molecular weight compounds such as pesticides, drugs of abuse, sport drugs or environmental contaminants were selected...
September 5, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28917081/evaluation-of-the-ecstasy-influence-on-tramadol-and-its-main-metabolite-plasma-concentration-in-rats
#14
Bardia Jamali, Behjat Sheikholeslami, Yalda Hosseinzadeh Ardakani, Hoda Lavasani, Mohammad-Reza Rouini
BACKGROUND: Tramadol is prone to be abused alone, or in combination with 3,4-methylenedioxymethamphetamine (MDMA, Ecstasy). It was reported that 95% of people with a history of substance abuse in the United States used tramadol in 2004. According to the WHO report in 2016, there was a growing number of tramadol abusers alone or in combination with psychoactive substances such as MDMA in particular in some Middle East countries. Higher concentrations of tramadol in plasma may lead to adverse drug reactions or lethal intoxication...
September 16, 2017: Drug Metabolism and Personalized Therapy
https://www.readbyqxmd.com/read/28915868/the-cedar-project-using-indigenous-specific-determinants-of-health-to-predict-substance-use-among-young-pregnant-involved-aboriginal-women
#15
Sana Z Shahram, Joan L Bottorff, Nelly D Oelke, Leanne Dahlgren, Victoria Thomas, Patricia M Spittal
BACKGROUND: Indigenous women in Canada have been hyper-visible in research, policy and intervention related to substance use during pregnancy; however, little is known about how the social determinants of health and substance use prior to, during, and after pregnancy intersect. The objectives of this study were to describe the social contexts of pregnant-involved young Indigenous women who use substances and to explore if an Indigenous-Specific Determinants of Health Model can predict substance use among this population...
September 15, 2017: BMC Women's Health
https://www.readbyqxmd.com/read/28914563/patients-with-psychological-icpc-codes-in-primary-care-a-case-control-study-investigating-the-decade-before-presenting-with-problems
#16
Luc G Gidding, Mark G Spigt, Geert-Jan Dinant
BACKGROUND: Recognizing patients with psychological problems can be difficult for general practitioners (GPs). Use of information collected in electronic medical records (EMR) could facilitate recognition. OBJECTIVES: To assess relevant EMR parameters in the decade before patients present with psychological problems. METHODS: Exploratory case-control study assessing EMR parameters of 58 228 patients recorded between 2013 and 2015 by 54 GPs...
December 2017: European Journal of General Practice
https://www.readbyqxmd.com/read/28913969/spray-inlet-microwave-plasma-torch-ionization-tandem-mass-spectrometry-for-the-direct-detection-of-drug-samples-in-liquid-solutions
#17
Meng Miao, Gaosheng Zhao, Yaliang Wang, Li Xu, Junguo Dong, Ping Cheng
RATIONALE: Drug abuse or dependence results in a series of social problems, including crime and traffic accidents. Spray inlet microwave plasma torch tandem mass spectrometry (MPT-MS/MS) was developed and used for the direct detection of such drugs in liquid solutions. METHODS: Drug sample solutions were directly sprayed into the flame of MPT by a sampling pump and the ions produced by Penning ionization and ion-molecule reactions were guided into a QTOF tandem mass spectrometer for mass analysis...
September 14, 2017: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/28913486/the-switch-from-buprenorphine-to-tapentadol-is-it-worth
#18
REVIEW
Adriana Miclescu
Opioid analgesia continues to be the primary pharmacologic intervention for managing acute pain and malignant pain in both hospitalized and ambulatory patients. The increasing use of opioids in chronic nonmalignant pain is more problematic. Opioid treatment is complicated with the risks raised by adverse effects, especially cognitive disturbance, respiratory depression but also the risk of tolerance, opioid abuse and drug-disease interactions. Despite the growing number of available opioids within the last years, adequate trials of opioid rotation are lacking and most of the information is anecdotal...
October 2016: Rom J Anaesth Intensive Care
https://www.readbyqxmd.com/read/28911631/new-psychoactive-substances-of-natural-origin-a%C3%A2-brief-review
#19
REVIEW
Ling-Yi Feng, Altansuvd Battulga, Eunyoung Han, Heesun Chung, Jih-Heng Li
Plant-based drugs of abuse are as old as recorded human history. Although traditional addictive substances, such as opium, cannabis and coca, have been controlled by the United Nations anti-drug conventions, many, if not most, natural plants with addictive or abuse liability remain elusive. Therefore, the United Nations Office on Drugs and Crime (UNODC) has warned the emerging threat from new psychoactive substances (NPS), which are mostly derived or modified from the constituents of natural origin. For example, synthetic cannabinoids and synthetic cathinones are derived from the cannabis and khat plant, respectively...
July 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28910830/consensus-guidelines-for-therapeutic-drug-monitoring-in-neuropsychopharmacology-update-2017
#20
C Hiemke, N Bergemann, H W Clement, A Conca, J Deckert, K Domschke, G Eckermann, K Egberts, M Gerlach, C Greiner, G Gründer, E Haen, U Havemann-Reinecke, G Hefner, R Helmer, G Janssen, E Jaquenoud, G Laux, T Messer, R Mössner, M J Müller, M Paulzen, B Pfuhlmann, P Riederer, A Saria, B Schoppek, G Schoretsanitis, M Schwarz, M Silva Gracia, B Stegmann, W Steimer, J C Stingl, M Uhr, S Ulrich, S Unterecker, R Waschgler, G Zernig, G Zurek, P Baumann
Therapeutic drug monitoring (TDM) is the quantification and interpretation of drug concentrations in blood to optimize pharmacotherapy. It considers the interindividual variability of pharmacokinetics and thus enables personalized pharmacotherapy. In psychiatry and neurology, patient populations that may particularly benefit from TDM are children and adolescents, pregnant women, elderly patients, individuals with intellectual disabilities, patients with substance abuse disorders, forensic psychiatric patients or patients with known or suspected pharmacokinetic abnormalities...
September 14, 2017: Pharmacopsychiatry
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