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Substance use evaluation

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https://www.readbyqxmd.com/read/28102586/creatinine-in-urine-a-method-comparison
#1
Marc Luginbühl, Wolfgang Weinmann
Drug screening in urine is widely applied in forensic toxicology. Contrary to blood analysis, excessive or reduced fluid intake can substantially alter the concentration of substances in urine. As a standard to detect urinary dilution, creatinine concentrations are analyzed. A sample with a concentration below 20 mg/dL is generally defined as too diluted to provide a valid result in abstinence control samples. This work investigates the potential of three different methods for the determination of creatinine concentrations in urine samples: A ZIC-HILIC based LC-MS/MS method, a spectrophotometric method on an AU 480 chemistry system, and a portable, immunoassay based point-of-care testing device was compared by measuring 200 urine samples...
January 19, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28102573/posttraumatic-stress-disorder-and-alcohol-use-disorder-a%C3%A2-critical-review-of-pharmacologic-treatments
#2
REVIEW
Ismene L Petrakis, Tracy L Simpson
Treatment of alcohol use disorder (AUD) is complicated by the presence of psychiatric comorbidity including posttraumatic stress disorder (PTSD). This is a critical review of the literature to date on pharmacotherapy treatments of AUD and PTSD. A systematic literature search using PubMed MESH terms for alcohol and substance use disorders, PTSD, and treatment was undertaken to identify relevant randomized controlled trials (RCTs). The studies were independently evaluated (ILP and TLS) and those that evaluated the efficacy of a pharmacotherapy for individuals diagnosed with AUD and PTSD and were RCTs were selected...
January 19, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28101901/cyto-genotoxicity-and-oxidative-stress-in-common-carp-cyprinus-carpio-exposed-to-a-mixture-of-ibuprofen-and-diclofenac
#3
Hariz Islas-Flores, Leobardo Manuel Gómez-Oliván, Marcela Galar-Martínez, Esmeralda Michelle Sánchez-Ocampo, Nely SanJuan-Reyes, Mariana Ortíz-Reynoso, Octavio Dublán-García
Thirty million people worldwide consume each day nonsteroidal anti-inflammatory drugs (NSAIDs), a heterogeneous group of pharmaceuticals used for its analgesic, antipyretic, and anti-inflammatory properties. Recent studies report high NSAID concentrations in wastewater treatment plant effluents, in surface, ground, and drinking water, and in sediments. NSAIDs are also known to induce toxicity on aquatic organisms. However, toxicity in natural ecosystems is not usually the result of exposure to a single substance but to a mixture of toxic agents, yet only a few studies have evaluated the toxicity of mixtures...
January 19, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28101573/combining-doxorubicin-with-a-phenolic-extract-from-flaxseed-oil-evaluation-of-the-effect-on-two-breast-cancer-cell-lines
#4
Eliana Guerriero, Angela Sorice, Francesca Capone, Gabriella Storti, Giovanni Colonna, Gennaro Ciliberto, Susan Costantini
Breast cancer is one of the most frequently diagnosed forms of cancer and different treatments are used to block its progression. However, it still represents a very common cause of death in women. Doxorubicin (Dox) is reported as an effective agent in breast cancer treatment nonetheless it induces many side‑effects. For this reason, many laboratories are engaged in understanding how it is possible to decrease the drug concentration, considering that one of the possible solutions is to use drug synergy, combining it with natural substances...
February 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28100565/prevalence-and-clinical-impact-of-recreational-drug-consumption-in-people-living-with-hiv-on-treatment-a-cross-sectional-study
#5
Noe Garin, Beatriz Zurita, Cesar Velasco, Anna Feliu, Mar Gutierrez, Montserrat Masip, M Antonia Mangues
OBJECTIVES: Drug interactions, poor adherence to medication and high-risk sexual behaviour may occur in individuals with HIV using recreational drugs. Thus, we aimed to assess the prevalence of recreational drugs use and to explore its clinical impact in HIV patients on treatment. METHODS: Observational, cross sectional, study conducted in a 700 bed university hospital, Barcelona, Spain. A total of 208 adults living with HIV on treatment were included. A questionnaire was administered by clinical pharmacists, including evaluation of sociodemographic variables, past 12-month drug consumption, adherence to antiretrovirals (Simplified Medication Adherence Questionnaire) and high-risk sexual behaviour (condomless sex/multiple partners)...
January 18, 2017: BMJ Open
https://www.readbyqxmd.com/read/28100210/prevalence-of-psychiatric-morbidity-in-a-community-sample-in-western-kenya
#6
Edith Kwobah, Steve Epstein, Ann Mwangi, Debra Litzelman, Lukoye Atwoli
BACKGROUND: About 25% of the worldwide population suffers from mental, neurological and substance use disorders but unfortunately, up to 75% of affected persons do not have access to the treatment they need. Data on the magnitude of the mental health problem in Kenya is scarce. The objectives of this study were to establish the prevalence and the socio-demographic factors associated with mental and substance use disorders in Kosirai division, Nandi County, Western Kenya. METHODS: This was a cross sectional descriptive study in which participants were selected by simple random sampling...
January 18, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28099526/executive-functioning-in-men-with-schizophrenia-and-substance-use-disorders-influence-of-lifetime-suicide-attempts
#7
Ana Adan, Maria Del Mar Capella, Gemma Prat, Diego A Forero, Silvia López-Vera, José Francisco Navarro
BACKGROUND: Lifetime suicide attempts in patients with comorbidity between psychotic disorders and Substance Use Disorder (SUD), known as dual diagnosis, was associated with a worse clinical and cognitive state, poor prognosis and premature death. However, to date no previous study has examined the cognitive performance of these patients considering as independent the presence or absence of lifetime suicide attempts. METHODS: We explore executive functioning differences between suicide attempters and non-attempters in dual schizophrenia (DS) patients and the possible related factors for both executive performance and current suicide risk...
2017: PloS One
https://www.readbyqxmd.com/read/28099040/effect-of-bacoside-a-on-growth-and-biofilm-formation-by-staphylococcus-aureus-and-pseudomonas-aeruginosa
#8
Debaprasad Parai, Ekramul Islam, Jayati Mitra, Samir Kumar Mukherjee
The goal of this study was to evaluate the antibiofilm and antimicrobial activities of Bacoside A, a formulation of phytochemicals from Bacopa monnieri, against Staphylococcus aureus and Pseudomonas aeruginosa, which are known to form biofilms as one of their virulence traits. The antimicrobial effects of Bacoside A were tested using the minimum inhibitory concentration and minimum bactericidal concentration assays. A cell membrane disruption assay was performed to find its possible target site. MTT assay, crystal violet assay, and microscopic studies were performed to assess the antibiofilm activity...
October 24, 2016: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/28098991/evidence-of-absence-estrogenicity-assessment-of-a-new-food-contact-coating-and-the-bisphenol-used-in-its-synthesis
#9
Ana M Soto, Cheryl Schaeberle, Mark S Maier, Carlos Sonnenschein, Maricel V Maffini
Consumer concerns about exposure to substances found in food contact materials with estrogenic activity (EA) have created substantial demand for alternatives. We assessed the potential EA of both a new bisphenol monomer used to synthesize polymeric coatings for metal food-contact applications and the nonintentionally added substances (NIAS) that may migrate into food. We evaluated tetramethyl bisphenol F (TMBPF) using in vitro and in vivo assays. We extracted the polymeric coating using food simulants ethanol (50% v/v) and acetic acid (3% w/v) and measured migration using tandem liquid chromatography (LC)/mass spectrometry (MS) and LC time-of-flight MS for TMBPF and NIAS, respectively...
January 18, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28098989/discovery-of-40-classes-of-per-and-polyfluoroalkyl-substances-in-historical-aqueous-film-forming-foams-afffs-and-afff-impacted-groundwater
#10
Krista A Barzen-Hanson, Simon C Roberts, Sarah J Choyke, Karl Oetjen, Alan McAlees, Nicole Riddell, Robert McCrindle, Patrick Lee Ferguson, Christopher P Higgins, Jennifer A Field
Aqueous film-forming foams (AFFFs), containing per- and polyfluoroalkyl substances (PFASs), are released into the environment during response to fire-related emergencies. Repeated historical applications of AFFF at military sites were a result of fire-fighter training exercises and equipment testing. Recent data on AFFF-impacted groundwater indicates that ~25% of the PFASs remain unidentified. In an attempt to close the mass balance, a systematic evaluation of 3M and fluorotelomer-based AFFFs, commercial products, and AFFF-impacted groundwaters from 15 U...
January 18, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28098840/comparative-solid-state-stability-of-perindopril-active-substance-vs-pharmaceutical-formulation
#11
Valentina Buda, Minodora Andor, Adriana Ledeti, Ionut Ledeti, Gabriela Vlase, Titus Vlase, Carmen Cristescu, Mirela Voicu, Liana Suciu, Mirela Cleopatra Tomescu
This paper presents the results obtained after studying the thermal stability and decomposition kinetics of perindopril erbumine as a pure active pharmaceutical ingredient as well as a solid pharmaceutical formulation containing the same active pharmaceutical ingredient (API). Since no data were found in the literature regarding the spectroscopic description, thermal behavior, or decomposition kinetics of perindopril, our goal was the evaluation of the compatibility of this antihypertensive agent with the excipients in the tablet under ambient conditions and to study the effect of thermal treatment on the stability of perindopril erbumine...
January 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28096662/synthetic-nanoparticles-of-bovine-serum-albumin-with-entrapped-salicylic-acid
#12
E S Bronze-Uhle, B C Costa, V F Ximenes, P N Lisboa-Filho
Bovine serum albumin (BSA) is highly water soluble and binds drugs or inorganic substances noncovalently for their effective delivery to various affected areas of the body. Due to the well-defined structure of the protein, containing charged amino acids, albumin nanoparticles (NPs) may allow electrostatic adsorption of negatively or positively charged molecules, such that substantial amounts of drug can be incorporated within the particle, due to different albumin-binding sites. During the synthesis procedure, pH changes significantly...
2017: Nanotechnology, Science and Applications
https://www.readbyqxmd.com/read/28095883/moderated-online-social-therapy-for-carers-of-young-people-recovering-from-first-episode-psychosis-study-protocol-for-a-randomised-controlled-trial
#13
John Gleeson, Reeva Lederman, Helen Herrman, Peter Koval, Dina Eleftheriadis, Sarah Bendall, Sue M Cotton, Mario Alvarez-Jimenez
BACKGROUND: First-episode psychosis most often has its onset during late adolescence. In caring for the young person, families endure high levels of stress and depression. Meanwhile, the social networks of families often erode. Our group has previously shown that family cognitive behaviour therapy (CBT) leads to significantly improved perceived stress compared with specialist first-episode treatment as usual; however, there are well-known barriers to the dissemination of effective family interventions...
January 17, 2017: Trials
https://www.readbyqxmd.com/read/28095676/radiosynthesis-and-evaluation-of-11-c-3-hydroxycyclopent-1-enecarboxylic-acid-as-potential-pet-ligand-for-the-high-affinity-%C3%AE-hydroxybutyric-acid-binding-sites
#14
Claus H Jensen, Hanne D Hansen, Tina Bay, Stine B Vogensen, Szabolcs Lehel, Louise Thiesen, Christoffer Bundgaard, Rasmus P Clausen, Gitte M Knudsen, Matthias M Herth, Petrine Wellendorph, Bente Frølund
γ-Hydroxybutyric acid (GHB) is an endogenous neuroactive substance and proposed neurotransmitter with affinity for both low- and high-affinity binding sites. A radioligand with high and specific affinity toward the high-affinity GHB binding site would be a unique tool toward a more complete understanding of this population of binding sites. With its high specific affinity and monocarboxylate transporter (MCT1) mediated transport across the blood-brain barrier in pharmacological doses, 3-hydroxycyclopent-1-enecarboxylic acid (HOCPCA) seems like a suitable PET radiotracer candidate...
January 18, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28093220/increased-oxytocin-levels-among-abstinent-heroin-addicts-association-with-aggressiveness-psychiatric-symptoms-and-perceived-childhood-neglect
#15
Lidia M Gerra, Gilberto Gerra, Laura Mercolini, Matteo Manfredini, Lorenzo Somaini, Chiara M Pieri, Maina Antonioni, Michele Protti, Paolo Ossola, Carlo Marchesi
A disruption of the oxytocin system seems to affect a variety of brain functions including emotions, mood and social behavior possibly underlying severe social deficits and susceptibility for substance use and mental health disorders. Early life adversity, such as insecure attachment in childhood, has been suggested to influence oxytocin tone contributing to a condition of neurobiological vulnerability. Aim of the present study was to investigate oxytocin serum levels in abstinent heroin addicted patients, in comparison with healthy controls, and the possible correlation with co-occurring psychiatric symptoms, aggressiveness and perception of parental neglect...
January 13, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28092195/serum-bdnf-levels-in-patients-with-gambling-disorder-are-associated-with-the-severity-of-gambling-disorder-and-iowa-gambling-task-indices
#16
Sam-Wook Choi, Young-Chul Shin, Jung Yeon Mok, Dai-Jin Kim, Jung-Seok Choi, Samuel Suk-Hyun Hwang
Background and aims Gambling disorder (GD) shares many similarities with substance use disorders (SUDs) in clinical, neurobiological, and neurocognitive features, including decision-making. We evaluated the relationships among, GD, decision-making, and brain-derived neurotrophic factor (BDNF), as measured by serum BDNF levels. Methods Twenty-one male patients with GD and 21 healthy sex- and age-matched control subjects were evaluated for associations between serum BDNF levels and the Problem Gambling Severity Index (PGSI), as well as between serum BDNF levels and Iowa Gambling Task (IGT) indices...
March 2016: Journal of Behavioral Addictions
https://www.readbyqxmd.com/read/28088731/biological-properties-of-citral-and-its-potential-protective-effects-against-cytotoxicity-caused-by-aspirin-in-the-iec-6-cells
#17
Hafsia Bouzenna, Najla Hfaiedh, Marie-Agnès Giroux-Metges, Abdelfattah Elfeki, Hélène Talarmin
Citral, 3,7-dimethyl-2,6-octadienal, is a key component of several essential oils extracted from lemon-scented herbal plants. The present study was designed to investigate the antioxidant activities of citral and assess its possible protective effects against aspirin-induced toxicity in vitro. We used IEC-6 cells (rat small intestine epithelial cells). The antioxidant activities were determined by 1,1-diphenyl-2-picrylhydrazyl (DPPH), β-carotene/linoleic acid and Ferric reducing antioxidant power (FRAP). Cytotoxicity was evaluated by cell viability, anti-oxidant enzyme activities, malondialdehyde (MDA) production and by the expression of MAPKs (Mitogen-Activated Protein Kinases) pathways...
January 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28088674/people-s-reasons-for-wanting-to-complete-probation-use-and-predictive-validity-in-an-e-health-intervention
#18
Stephanie A Spohr, Faye S Taxman, Scott T Walters
The criminal justice system tends to emphasize external contingencies (e.g., fees, jail time) to motivate offender compliance. However, people's reasons for desistance vary considerably. This study evaluated the acceptability, utility, and predictive validity of questions that ask about people's reasons for wanting to successfully complete probation. Substance-using probationers (N=113) participated in a web-based computer intervention that targeted substance use and treatment initiation. Questions around seven dimensions of reasons for completing probation were developed to provide tailored feedback during the web-based program...
January 6, 2017: Evaluation and Program Planning
https://www.readbyqxmd.com/read/28087268/a-review-of-effective-youth-engagement-strategies-for-mental-health-and-substance-use-interventions
#19
REVIEW
Tom Dunne, Lisa Bishop, Susan Avery, Stephen Darcy
The majority of adult mental health and substance use (MH&SU) conditions emerge in adolescence. Prevention, diagnosis, and treatment programs targeting this age group have a unique opportunity to significantly impact the well-being of the future generation of adults. At the same time, youth are reluctant to seek treatment and have high rates of dropout from interventions. An emphasis on youth engagement in prevention and treatment interventions for MH&SU results in better health outcomes for those youth. This literature review was undertaken to evaluate opportunities to improve youth engagement in MH&SU programs...
January 10, 2017: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/28087129/childhood-maltreatment-and-unprotected-sex-among-female-juvenile-offenders-evidence-of-mediation-by-substance-abuse-and-psychological-distress
#20
Kristen Clements-Nolle, Sandra Larson, Aliya Buttar, Lindsey Dermid-Gray
PURPOSE: Research has shown that childhood maltreatment is associated with sexual risk taking among female juvenile offenders; however, the mechanisms by which maltreatment influences sexual risk remain poorly understood. We assessed whether substance abuse, psychological distress, and dating violence mediate the relationship between childhood maltreatment and unprotected sex. METHODS: Sexually active female juvenile offenders (13-17 years of age) completed audio computer-assisted self-interviews (n = 232)...
January 10, 2017: Women's Health Issues: Official Publication of the Jacobs Institute of Women's Health
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