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https://www.readbyqxmd.com/read/28596511/effect-of-alprazolam-on-redox-status-in-renal-transplantation-donors-and-recipients
#1
Meltem Güner Can, Özgen Ilgaz Koçyiğit, Uğur Aksu, Ali Özer, Fevzi Toraman
BACKGROUND Benzodiazepines are the most popular premedication drugs thought to act through the GABA/benzodiazepine receptor complex and alprazolam is one of the most potent benzodiazepines that have a quick onset. While there is a growing body of evidence supporting alprazolam in the amelioration of redox status in animals, no study has been performed concerning its antioxidant activity in humans. The purpose of this investigation was to determine the effect of alprazolam on redox status. MATERIAL AND METHODS This study was a four-group randomized controlled trial...
June 9, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28582697/increases-in-self-reported-fentanyl-use-among-a-population-entering-drug-treatment-the-need-for-systematic-surveillance-of-illicitly-manufactured-opioids
#2
Theodore J Cicero, Matthew S Ellis, Zachary A Kasper
BACKGROUND/PURPOSE: Recent reports indicate a sharp increase in fentanyl-related overdose deaths across the United States, much of which is likely related to the introduction of cheap, illicitly manufactured fentanyl derivatives. In this study, we sought to estimate the magnitude of illicit fentanyl use from 2012 to 2016 using a national opioid abuse surveillance system. METHODS: The study program surveyed 10,900 individuals entering substance abuse treatment for opioid use disorder, with participants asked to endorse past month 'use to get high' of fentanyl drugs, stratified by identifiable (i...
May 30, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28580580/illicit-drug-delivery-via-administration-of-human-blood
#3
Laura M Labay, Charles A Catanese
The physiological, psychological, and social consequences associated with illicit drug use are well documented. In addition to the effects directly related to the drug(s), the delivery mechanism can precipitate other serious health conditions. A case is reported where an individual stopped by law enforcement was discovered to be in possession of a vial containing a red-colored fluid, which the person stated was blood and contained fentanyl. Analysis by headspace GC, ELISA, and LC-TOF/MS screening in with mass spectral confirmation revealed the presence of several substances, including ethanol, methamphetamine, amphetamine, MDA, 6-monoacetylmorphine, codeine, morphine, alprazolam, delta-9 THC, ephedrine, pseudoephedrine, and norpseudoephedrine; serology testing verified the fluid was consistent with human blood...
June 5, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28557789/stability-of-alprazolam-atropine-sulfate-glutamine-levofloxacin-metoprolol-tartrate-nitrofurantoin-ondansetron-hydrochloride-oxandrolone-pregabaline-and-riboflavin-in-syrspend-sf-ph4-oral-suspensions
#4
Anderson O Ferreira, Hudson C Polonini, Sharlene Loures da Silva, Victor Augusto Cerqueira de Melo, Laura de Andrade, Marcos Antônio Fernandes Brandão
The objective of this study was to evaluate the stability of 10 commonly used active pharmaceutical ingredients compounded in oral suspensions using an internationally used suspending vehicle (SyrSpend SF PH4): alprazolam 1.0 mg/mL, atropine sulfate 0.1 mg/mL, glutamine 250.0 mg/mL, levofloxacin 50.0 mg/mL, metoprolol tartrate 10.0 mg/mL, nitrofurantoin 2.0 mg/mL, ondansetron hydrochloride 0.8 mg/mL, oxandrolone 3.0 mg/mL, pregabaline 20.0 mg/mL, riboflavin 10.0 mg/mL. All suspensions were stored at both controlled refrigeration (2°C to 8°C) and controlled room temperature (20°C to 25°C)...
May 2017: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28543168/a-new-tool-to-tackle-the-opioid-epidemic-description-utility-and-results-from-the-maine-diversion-alert-program
#5
Brian J Piper, Clare E Desrosiers, Harriet C Fisher, Kenneth L McCall, Stephanie D Nichols
STUDY OBJECTIVE: The opioid epidemic continues to impact the United States, and new strategies are needed to combat this epidemic. The objective of this study was to analyze 2015 drug arrest data from Maine's Diversion Alert program (diversionalert. org), compare arrest data between the first quarters of 2015 and 2016, and provide an analysis of the sex differences in the arrests as well as information about DA use. STUDY DESIGN: A population-based, descriptive study using data from the Maine Diversion Alert Program...
May 19, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28476275/beliefs-about-the-consequences-of-using-benzodiazepines-among-persons-with-opioid-use-disorder
#6
Michael D Stein, Bradley J Anderson, Shannon R Kenney, Genie L Bailey
BACKGROUND: Patients admitted to addiction treatment programs report high rates of concurrent opioid and benzodiazepine (BZD) use. This combination places individuals at high risk for accidental overdose and other serious consequences. However, little is known about the beliefs opioid users have about the consequences of BZD use. METHODS: We surveyed consecutive persons initiating inpatient opioid detoxification (N=476; 95.0% enrollment) and identified 245 who reported BZD use in the past 30days and/or had a positive toxicology...
June 2017: Journal of Substance Abuse Treatment
https://www.readbyqxmd.com/read/28455844/open-probe-fast-gc-ms-combining-ambient-sampling-ultra-fast-separation-and-in-vacuum-ionization-for-real-time-analysis
#7
Uri Keshet, Tal Alon, Alexander B Fialkov, Aviv Amirav
An Open Probe inlet was combined with a low thermal mass ultra-fast gas chromatograph (GC), in-vacuum electron eonization (EI) ion source and a mass spectrometer (MS) of GC-MS for obtaining real time analysis with separation. The Open Probe enables ambient sampling via sample vaporization in an oven that is open to room air and the ultra-fast GC provides ~30 s separation while if no separation is required it can act as a transfer line with 2-3 s sample transfer time. Sample analysis is as simple as touching the sample, pushing the sample holder into the open probe oven and getting the results in 30 s...
April 28, 2017: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28451875/prevalence-of-gabapentin-abuse-comparison-with-agents-with-known-abuse-potential-in-a-commercially-insured-us-population
#8
Alyssa M Peckham, Kathleen A Fairman, David A Sclar
BACKGROUND: Despite international calls to make gabapentin a controlled substance, studies of gabapentin use/abuse patterns are limited to small/high-risk samples and adverse event reports. OBJECTIVE: The aim of this study was to conduct a systematic assessment of the abuse potential/prevalence of gabapentin in a large sample. DATA SOURCE: Truven Health MarketScan(®) Commercial Claims and Encounters database, years 2013-2015. ELIGIBILITY CRITERIA: Patients with two or more claims for one or more abusable drugs and ≥12 months' continuous enrollment were sampled for Lorenz curve analysis...
April 27, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/28443909/effect-of-the-calcination-temperature-on-the-photocatalytic-efficiency-of-acidic-sol-gel-synthesized-tio2-nanoparticles-in-the-degradation-of-alprazolam
#9
Andreia Romeiro, Diana Freitas, M Emília Azenha, Moisés Canle, Hugh D Burrows
We report a comparative study on the photodegradation of the widely used benzodiazepine psychoactive drug alprazolam (8-chloro-1-methyl-6-phenyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine, ALP) using direct photolysis, and titanium dioxide photocatalyzed reaction. Titanium dioxide photocatalysts were prepared as nanoparticles by acidic sol-gel methods, calcined at two different temperatures, and their behavior compared with P25 (Degussa type) TiO2. Efficient photodegradation was observed in the photocatalytic process, with over 90% degradation after 90 minutes under optimized conditions...
June 14, 2017: Photochemical & Photobiological Sciences
https://www.readbyqxmd.com/read/28412575/the-role-of-illicit-licit-and-designer-drugs-in-the-traffic-in-hungary
#10
László Institóris, Előd Hidvégi, Adrienn Dobos, Éva Sija, Éva M Kereszty, László Balázs Tajti, Gábor Pál Somogyi, Tibor Varga
The aim of this study was to investigate the prevalence and pattern of psychoactive substances among suspected DUID (Driving Under the Influence of Drugs) drivers in Hungary in 2014 and 2015. Blood and/or urine samples of 1252 suspected drivers (600 in 2014 and 652 in 2015) were analyzed for classical illicit and licit drugs, stimulant designer drugs (SDDs), and for synthetic cannabinoids, with 78.3% and 79.6% positive cases for at least one substance in 2014, and 2015, respectively. Impairment was proven in 39...
April 3, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28370279/sensitive-and-specific-lc-esi-ms-ms-method-for-determination-of-zydpla1-a-novel-long-acting-dpp4-inhibitor-in-rat-plasma-an-application-for-toxicokinetics-study-in-rats
#11
Poonam Giri, Nirmal Patel, Bharat Patel, Harilal Patel, Rajesh Bahekar, Nuggehally R Srinivas, Pankaj R Patel, Ranjit Desai
A rapid and highly specific assay was developed and validated for estimation ofZYDPLA1 in rat plasma using liquid chromatography coupled to tandem mass spectrometry with positive electrospray ionization. Method validation comprised of parameters such as: specificity, matrix effect, precision, accuracy, recovery, stability etc. The assay procedure involved a simple protein precipitation of ZYDPLA1 and alprazolam (internal standard, IS) from rat plasma using acetonitrile. Chromatographic separation was achieved with a gradient mobile phase comprising of (A) 0...
March 31, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28345929/utility-of-cyp3a4-and-pxr-car-cyp3a4-3a7-transgenic-mouse-models-to-assess-the-magnitude-of-cyp3a4-mediated-drug-drug-interactions
#12
Justin Q Ly, Kirsten Messick, Ann Qin, Ryan H Takahashi, Edna F Choo
Species differences in the expression, activity, regulation, and substrate specificity of metabolizing enzymes preclude the use of animal models to predict clinical drug-drug interactions (DDIs). The objective of this work is to determine if the transgenic (Tg) Cyp3a(-/-)Tg-3A4Hep/Int and Nr1i2/Nr1i3(-/-)-Cyp3a(-/-)Tg-PXR-CAR-3A4/3A7Hep/Int (PXR-CAR-CYP3A4/3A7) mouse models could be used to predict in vivo DDI of 10 drugs; alprazolam, bosutinib, crizotinib, dasatinib, gefitinib, ibrutinib, regorafenib, sorafenib, triazolam, and vandetinib (as victims); with varying magnitudes of reported CYP3A4 clinical DDI...
April 7, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28334890/application-of-ultrasound-assisted-surfactant-enhanced-emulsification-microextraction-based-on-solidi%C3%AF-cation-of-floating-organic-droplets-and-high-performance-liquid-chromatography-for-preconcentration-and-determination-of-alprazolam-and-chlordiazepoxide-in
#13
Nasser Goudarzi, Monavar Amirnavaee, Mansour Arab Chamjangali, Sahar Farsimadan
An improved microextraction method is proposed on the basis of ultrasound-assisted surfactant-enhanced emulsification and solidification of a floating organic droplet procedure combined with high performance liquid chromatography for the preconcentration and quantification of alprazolam (ALP) and chlordiazepoxide (CHL) present in a number of human serum samples. Several parameters affecting the extraction efficiency were investigated by the Plackett -Burman factorial design as the screening design. Then the response surface methodology based on the Box-Behnken design was used to optimize the effective parameters in the proposed procedure...
July 1, 2017: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/28315148/a-case-of-cardiac-tamponade-due-to-an-isolated-abscess-in-the-ascending-aorta-of-a-pregnant-woman-with-a-history-of-intravenous-substance-abuse
#14
Brandy Shattuck, John Livingstone
We describe the case of a 23-year-old white female, 10-12 weeks pregnant, with a history of intravenous drug use and a recently diagnosed pneumonia, who was found deceased in her bed after a night of sleep. Although postmortem serum toxicology tested positive for alprazolam, tetrahydrocannabinol, and morphine, the ultimate cause of death was determined to be cardiac tamponade secondary to an isolated abscess in the ascending aorta. The patient had several risk factors for aortic rupture and cardiac tamponade including intravenous drug use, pneumonia, and pregnancy...
March 17, 2017: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/28260657/removal-of-30-active-pharmaceutical-ingredients-in-surface-water-under-long-term-artificial-uv-irradiation
#15
Kristin M Blum, Sara H Norström, Oksana Golovko, Roman Grabic, Josef D Järhult, Olga Koba, Hanna Söderström Lindström
This study investigated the i) kinetics, and ii) proportion of photolysis of 30 relatively stable active pharmaceutical ingredients (APIs) during artificial UV irradiation for 28 d in ammonium acetate buffer, filtered and unfiltered river water. Buffer was included to control removal kinetics under stable pH conditions and without particulate matter. Dark controls were used to determine removal due to other processes than photolysis and calculate the proportion of photolysis of the total removal. The removal of each API in each matrix was determined using online solid phase extraction/liquid chromatography tandem mass spectrometry (online SPE/LC-MS/MS)...
June 2017: Chemosphere
https://www.readbyqxmd.com/read/28237611/abnormal-pregnancy-outcome-associated-with-high-dose-maternal-tranylcypromine-therapy-case-report-and-literature-review
#16
Debra Kennedy, William S Webster, Majella Hill, Helen E Ritchie
BACKGROUND: Tranylcypromine is a non-selective inhibitor of monamine oxidase which also inhibits the reuptake of norepinephrine. Spontaneous hypertensive reactions to the drug have been reported. In sheep tranylcypromine has been shown to cause a dose-dependent reduction in uterine blood flow. A similar effect in a pregnant woman might induce constriction of the uterine arteries and temporary fetal hypoxia. CASES: MotherSafe is a state-based Teratogen Information service and currently provides counselling to around 22,000 consumers and healthcare professionals annually regarding exposures during pregnancy and breastfeeding We report on the outcome of 2 pregnancies in a patient treated with high dose tranylcypromine as well as pimozide, diazepam and alprazolam...
April 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28237050/characterizing-fentanyl-use-in-methadone-maintained-clients
#17
Cynthia L Arfken, Jessica Suchanek, Mark K Greenwald
AIMS: Deaths attributed to fentanyl have increased in the United States. However, little is known about fentanyl use among substance abuse treatment clients. To fill this gap, we assessed prevalence of fentanyl exposure, characteristics of clients testing positive for fentanyl, other substances detected concurrently or simultaneously with fentanyl, and clients' perception of how many people are actively seeking to use fentanyl. METHODS: A retrospective chart review was conducted of all clients at one methadone maintenance treatment clinic between January 2015 and May 2016 in Wayne County, Michigan...
April 2017: Journal of Substance Abuse Treatment
https://www.readbyqxmd.com/read/28213105/anxiolytic-and-antidepressant-like-effects-of-an-aqueous-extract-of-tanacetum-parthenium-l-schultz-bip-asteraceae-in-mice
#18
Jorge Cárdenas, Valeria Reyes-Pérez, María Dolores Hernández-Navarro, Ana María Dorantes-Barrón, Salvador Almazán, Rosa Estrada-Reyes
AIM: Tanacetum parthenium L. Schultz-Bip (Asteraceae) is widely used worldwide in traditional medicine for the treatment of convulsions and culture-bound syndromes such as susto (fear). The aim of this work was to evaluate the anxiolytic- and antidepressant-like effects of an aqueous extract of T. parthenium in behavioral paradigms in mice. The effects of T. parthenium were compared with those produced by anxiolytic and antidepressant drugs. We carried out the chemical characterization of the main constituents of T...
March 22, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28207998/benzodiazepine-and-z-drug-dependence-data-from-a-tertiary-care-center
#19
Lekhansh Shukla, Spandana Bokka, Tulika Shukla, Arun Kandasamy, Prabhat Chand, Vivek Benegal, Pratima Murthy
Objective: To examine the clinical characteristics and course of benzodiazepine and �Z-drug� dependence in patients presenting to a tertiary deaddiction center in southern India. Methods: Case files of 950 inpatients admitted between January 2007 and January 2014 who reported benzodiazepine or Z-drug use were reviewed. Patients (n = 170) with an ICD-10 diagnosis of mental and behavioral disorders due to the use of sedatives or hypnotics-dependence syndrome currently using substance (F13...
February 16, 2017: Primary Care Companion to CNS Disorders
https://www.readbyqxmd.com/read/28196829/marmoset-cytochrome-p450-3a4-expressed-in-liver-and-small-intestine-tissues-efficiently-metabolizes-midazolam-alprazolam-nifedipine-and-testosterone
#20
Shotaro Uehara, Yasuhiro Uno, Kazuyuki Nakanishi, Sakura Ishii, Takashi Inoue, Erika Sasaki, Hiroshi Yamazaki
Common marmosets (Callithrix jacchus), small New World primates, are increasingly attracting attention as potentially useful animal models for drug development. However, characterization of cytochrome P450 (P450) 3A enzymes involved in the metabolism of a wide variety of drugs has remained in marmosets. In this study, sequence homology, tissue distribution, and enzymatic property of marmoset P450 3A4 orthologue, 3A5 orthologue, and 3A90 were investigated. Marmoset P450 3A forms exhibited high amino acid sequence identities (88-90%) to the human and cynomolgus monkey P450 3A orthologues and evolutionary closeness to human and cynomolgus monkey P450 3A orthologues, compared with other P450 3A enzymes...
February 14, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
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