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https://www.readbyqxmd.com/read/28412575/the-role-of-illicit-licit-and-designer-drugs-in-the-traffic-in-hungary
#1
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
#2
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
#3
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
#4
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...
March 3, 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
#5
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
#6
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)...
February 15, 2017: Chemosphere
https://www.readbyqxmd.com/read/28237611/abnormal-pregnancy-outcome-associated-with-high-dose-maternal-tranylcypromine-therapy-case-report-and-literature-review
#7
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...
February 22, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28237050/characterizing-fentanyl-use-in-methadone-maintained-clients
#8
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
#9
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
#10
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
#11
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
https://www.readbyqxmd.com/read/28187228/effect-of-alprazolam-on-rat-serum-metabolic-profiles
#12
Yan Li, Gaotong Lin, Bingbao Chen, Jing Zhang, Lingtian Wang, Zixia Li, Yungang Cao, Congcong Wen, Xuezhi Yang, Gaozhong Cao, Xianqin Wang, Guoquan Cao
We developed a serum metabolomic method by gas chromatography-mass spectrometry (GC-MS) to evaluate the effect of alprazolam in rats. The GC-MS with HP-5MS (0.25 µm × 30 m × 0.25 mm), mass was conducted in EI mode with electron energy of 70 eV, full-scan mode with m/z 50-550. The rats were randomly divided to four group, three alprazolam treated group and control group. The alprazolam treated group rats were given 5, 10, 20 mg/kg (Low, Medium, High) of alprazolam by intragastric administration each day for 14 days, the serum samples were corrected on the seventh and fourteenth day for metabolomic study...
February 10, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28134487/poly-methacrylic-acid-ethylene-glycol-dimethacrylate-n-vinylcarbazole-monolithic-column-for-the-enrichment-of-trace-benzodiazepines-from-urine-and-beer-samples
#13
Weixuan Yao, Zhefeng Fan, Suling Zhang
A sensitive microextraction method based on a new poly(methacrylic acid-ethylene glycol dimethacrylate-N-vinylcarbazole) monolithic capillary column, coupled with gas chromatography and electron capture detection, was established for the determination of three benzodiazepines (estazolam, alprazolam, and triazolam) in urine and beer samples. Owing to the abundant π electrons and polar surface of N-vinylcarbazole, N-vinylcarbazole-incorporated monolith showed a higher extraction performance than neat poly(methacrylic acid-ethylene glycol dimethacrylate) because of the enhanced π-π stacking interactions derived from the π-electron-rich benzene groups from N-vinylcarbazole...
March 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28097466/trachyspermum-ammi-seeds-supplementation-helps-reverse-scopolamine-alprazolam-and-electroshock-induced-amnesia
#14
Kapil Soni, Milind Parle
The present study was designed to explore the beneficial effects of successive 10 days administration of Trachyspermum ammi seed's powder (TASP) along with diet (at the dose of 0.5%, 1.0% and 2.0% w/w) on learning and memory of mice. A total of 306 mice divided in 51 equal groups were employed in the study. Passive avoidance paradigm (PAP) and Object recognition Task (ORT) were employed as exteroceptive models. The brain acetylcholinesterase activity (AChE), serum cholesterol, brain monoaldehyde (MDA), brain reduced glutathione (GSH) and brain nitrite were estimated and Alprazolam, Scopolamine and Electroshock induced amnesia was employed to describe the actions...
January 17, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28094153/development-and-validation-of-a-fast-ionic-liquid-based-dispersive-liquid-liquid-microextraction-procedure-combined-with-lc-ms-ms-analysis-for-the-quantification-of-benzodiazepines-and-benzodiazepine-like-hypnotics-in-whole-blood
#15
Marieke De Boeck, Sophie Missotten, Wim Dehaen, Jan Tytgat, Eva Cuypers
To date, thorough clean-up of complex biological samples remains an essential part of the analytical process. The solid phase extraction (SPE) technique is the well-known standard, however, its main weaknesses are the labor-intensive and time-consuming protocols. In this respect, dispersive liquid-liquid microextractions (DLLME) seem to offer less complex and more efficient extraction procedures. Furthermore, ionic liquids (ILs) - liquid salts - are emerging as new promising extraction solvents, thanks to their non-flammable nature, negligible vapor pressure and easily adaptable physiochemical properties...
May 2017: Forensic Science International
https://www.readbyqxmd.com/read/28067201/false-negative-on-a-proven-involuntary-intoxication-in-two-children-with-lorazepam
#16
Catherine Feliu, Hélène Guillemin, Claire Gozalo, Aurélie Fouley, Hélène Marty, Hervé Millart, Zoubir Djerada
Children aged between 1 to 4 years are the most at risk of unintentional poisonings. Benzodiazepines are the most medicine often cause of the poisoning. Among the twenty-two most prescribed benzodiazepines in France, lorazepam ranks fifth behind zolpidem, alprazolam, bromazepam and zopiclone. However the automated assay currently available does not allow to detect and/or to quantify lorazepam. The alternative to the immunoassay is the liquid chromatography coupled with mass spectrometry (HPLC/MS). This technique, highly sensitive and specific, requires a pre-treatment phase and a good technical proficiency, justifying specialized staff...
February 1, 2017: Annales de Biologie Clinique
https://www.readbyqxmd.com/read/28067180/dispensing-patterns-of-anxiolytics-and-sedative-hypnotics-a-feasibility-study-comparing-datasets-from-a-developed-and-developing-country-australia-and-south-africa
#17
Therése Kairuz, Ilse Truter, Laurence Rossato, Alex Pudmenzky
BACKGROUND: Dispensing patterns reflect drug usage trends. Benzodiazepines are known as drugs with potential for misuse, and frequent dispensing may be a surrogate marker of misuse. OBJECTIVE: The primary aim of this study was to obtain a comparative snapshot of anxiolytic and sedative-hypnotic dispensing in a developing country and a developed country, to determine whether further research about benzodiazepines is warranted. METHOD: A cross-national, cross-sectional retrospective drug utilisation study was conducted on benzodiazepines and z-drugs...
January 9, 2017: Current Drug Safety
https://www.readbyqxmd.com/read/28017287/-retrospective-study-of-the-assessment-and-management-of-benzodiazepine-withdrawal-syndrome-in-hospital-between-2000-and-2015
#18
A Martin-Kleisch, A-A Zulfiqar
INTRODUCTION: Benzodiazepines are prescribed in many indications and are provider of adverse effects in case of abrupt withdrawal or poorly framed. Withdrawal rules are established by the High Authority for Health. METHODS: To evaluate the diagnostic and therapeutic modalities of the benzodiazepine withdrawal syndrome, we performed a retrospective single-center study at the University Hospital of Reims, between January 2000 and May 2015, in patients with a withdrawal syndrome following hospital coding...
December 22, 2016: Annales Pharmaceutiques Françaises
https://www.readbyqxmd.com/read/27996932/drugs-most-frequently-involved-in-drug-overdose-deaths-united-states-2010-2014
#19
Margaret Warner, James P Trinidad, Brigham A Bastian, Arialdi M Minino, Holly Hedegaard
Objectives-This report identifies the specific drugs most frequently involved in drug overdose deaths in the United States from 2010 through 2014. Methods-The 2010-2014 National Vital Statistics System mortality files were linked to electronic files containing literal text information from death certificates. Drug overdose was defined using the International Classification of Diseases, Tenth Revision underlying cause-of-death codes X40-X44 (unintentional), X60-X64 (suicide), X85 (homicide), and Y10-Y14 (undetermined intent)...
December 2016: National Vital Statistics Reports
https://www.readbyqxmd.com/read/27994412/a-comparative-study-to-assess-the-effect-of-oral-alprazolam-as-premedication-on-vital-parameters-of-patients-during-surgical-removal-of-impacted-mandibular-third-molars
#20
Sanjay Joshi, Arsalan Shakil Ahmed Ansari, Sima Mazumdar, Sidra Ansari
PURPOSE: The aim of this study was to evaluate and monitor the changes in vital parameters of patients during surgical removal of impacted mandibular third molars. METHODS: This was an in vivo study conducted in Oral and Maxillofacial Surgery Department of Terna Dental College. Sixty patients were randomly selected. Thirty patients were given a preoperative single dose of oral tablet alprazolam 0.5 mg as premedication (test group), whereas the other thirty were treated without any premedication (control group)...
October 2016: Contemporary Clinical Dentistry
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