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https://www.readbyqxmd.com/read/29331713/repeated-attempted-homicide-by-administration-of-drugs-documented-by-hair-analysis
#1
Valérie Baillif-Couniou, Christophe Bartoli, Caroline Sastre, Marjorie Chèze, Marc Deveaux, Georges Léonetti, Anne-Laure Pélissier-Alicot
Attempted murder by repeated poisoning is quite rare. The authors describe the case of a 62-year-old man who was admitted to an intensive care unit (ICU) for neurological disturbances complicated by inhalation pneumopathy. He presented a loss of consciousness while his wife was visiting him at the ICU (H0). Forty-eight hours later (H48), police officers apprehended the patient's wife pouring a liquid into his fruit salad at the hospital. Toxicological analyses of a blood sample and the infusion equipment (H0), as well as the fruit salad and its container (H48), confirmed the attempted poisoning with cyamemazine (H0) and hydrochloric acid (H48)...
January 5, 2018: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29241093/quantitative-analysis-of-drugs-in-hair-by-uhplc-high-resolution-mass-spectrometry
#2
Robert Kronstrand, Malin Forsman, Markus Roman
Liquid chromatographic methods coupled to high resolution mass spectrometry are increasingly used to identify compounds in various matrices including hair but there are few recommendations regarding the parameters and their criteria to identify a compound. In this study we present a method for the identification and quantification of a range of drugs and discuss the parameters used to identify a compound with high resolution mass spectrometry. Drugs were extracted from hair by incubation in a buffer:solvent mixture at 37°C during 18h...
December 8, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29199122/spectroscopic-studies-of-the-interaction-between-alprazolam-and-apo-human-serum-transferrin-as-a-drug-carrier-protein
#3
Marzieh Karimian Amroabadi, Asghar Taheri-Kafrani, Leily Heidarpoor Saremi, Ali Asghar Rastegari
The interaction between apo-human serum transferrin (Apo-hTf) and alprazolam was investigated using various spectroscopic techniques. The drug quenched the fluorescence intensity of Apo-hTf and the mechanism behind the quenching was static. The thermodynamic parameters (ΔG, ΔH, and ΔS) that obtained from tryptophan fluorescence study revealed that the interactions between alprazolam and Apo-hTf were spontaneous. Collectively, hydrophobic interactions and hydrogen bonding most likely played major roles in Apo-hTf/alprazolam interactions...
November 30, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29189312/hypoglycemia-and-sudden-death-during-treatment-with-methadone-for-opiate-detoxification
#4
Christopher J Plescia, Peter Manu
CLINICAL FEATURES: We present a case of a middle-aged man admitted to an inpatient detoxification facility for withdrawal of intranasal heroin, alprazolam, and ethanol. The patient was placed on methadone and chlordiazepoxide tapers. Ondansetron and trazodone were prescribed as needed for symptom control. On the third hospital day, the patient was found unresponsive with blood glucose of 40 mg/dL. He had no history of glucose dysregulation. The patient was pronounced dead shortly thereafter...
November 14, 2017: American Journal of Therapeutics
https://www.readbyqxmd.com/read/29183829/the-rodent-versus-wild-snake-paradigm-as-a-model-for-studying-anxiety-and-panic-like-behaviors-face-construct-and-predictive-validities
#5
Tatiana Paschoalin-Maurin, Tayllon Dos Anjos-Garcia, Luiz Luciano Falconi-Sobrinho, Renato Leonardo de Freitas, Jade Pissamiglio Cysne Coimbra, Carlos Júlio Laure, Norberto Cysne Coimbra
Using an innovative approach to study the neural bases of psychiatric disorders, this study investigated the behavioral, morphological and pharmacological bases of panic attack-induced responses in a prey-versus-coral snake paradigm. Mesocricetus auratus was chronically treated with intraperitoneal administration of the selective serotonin uptake inhibitor paroxetine or the gamma aminobutyric acid (GABA)/benzodiazepine receptor agonist alprazolam at three different doses and were then confronted with a venomous coral snake (Micrurus frontalis, Reptilia, Colubridae)...
November 25, 2017: Neuroscience
https://www.readbyqxmd.com/read/29172026/effect-of-non-prohibited-drugs-on-the-phase-ii-metabolic-profile-of-morphine-an-in-vitro-investigation-for-doping-control-purposes
#6
Gabriella Ambrosio, Xavier de la Torre, Monica Mazzarino, Maria K Parr, Francesco Botrè
The potential consequences of drug-drug interaction on the strategies adopted by the anti-doping laboratories to report an adverse analytical finding for morphine were investigated. We have evaluated in vitro the effects of fourteen drugs on the principal metabolic pathways of morphine. The selected drugs are among those most commonly used by the athletes, none of them presently included in the World Anti-Doping Agency Prohibited List. The non-prohibited drugs included four antifungals (fluconazole, itraconazole, ketoconazole and miconazole), six benzodiazepines (alprazolam, bromazepam, clonazepam, lorazepam, lormetazepam and triazolam), and four non-steroidal anti-inflammatory drugs (diclofenac, ibuprofen, ketoprofen and nimesulide)...
November 24, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/29158721/knowledge-of-community-pharmacists-about-the-risks-of-medication-use-during-pregnancy-in-central-region-of-saudi-arabia
#7
Ziyad Alrabiah, Mohamed N Al-Arifi, Sultan M Alghadeer, Syed Wajid, Ali AlQahtani, Naif Almotari, AbdAllh AlHwerani, Salmeen D Babelghaith
Background: Community pharmacists (CPs) are the most accessible health care provider to the public, and they have huge duties to improve medication use especially among the pregnant women in their community. The objective of this study was to evaluate knowledge of CPs about the medication safety during pregnancy. Methods: A prospective cross-sectional survey was carried out over practicing community pharmacists in a capital of Saudi Arabia (SA). Pharmacists were asked about the safety of each medicine during pregnancy...
November 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/29153631/human-abuse-potential-of-brivaracetam-in-healthy-recreational-central-nervous-system-depressant-users
#8
Kerri A Schoedel, Armel Stockis, Edward M Sellers
BACKGROUND: Brivaracetam is a new antiepileptic drug indicated for adjunctive treatment of focal seizures in adults at a dose of 50-200mg/day taken in two equal doses. The objective of this study was to evaluate the abuse potential of brivaracetam compared with alprazolam (positive control), placebo, and levetiracetam. METHODS: This was a randomized, double-blind, triple-dummy, crossover study in healthy male and female recreational central nervous system (CNS) depressant users aged 18-55years, who could distinguish between the subjective effects of alprazolam 2mg and placebo...
November 15, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29120973/acute-intoxications-and-fatalities-from-illicit-fentanyl-and-analogues-an-update
#9
Simona Pichini, Renata Solimini, Paolo Berretta, Roberta Pacifici, Francesco Paolo Busardò
Illicit fentanyl and its analogues are very dangerous synthetic opioids, with high abuse potential and severe adverse effects including coma and death. They are used as adulterants in street heroin, cocaine, and methamphetamine, or as heroin substitutes sold to unaware users with a high risk of overdoses. Fentanyl and its analogues have also been identified in counterfeit medicinal products, such as oxycodone, hydrocodone, and alprazolam tablets, or as components of speedball mixtures together with cocaine or other stimulants...
November 8, 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/29111406/panic-like-escape-response-elicited-in-mice-by-exposure-to-co2-but-not-hypoxia
#10
Ailton Spiacci, Heloisa H Vilela-Costa, Ana Beatriz Sant'Ana, Gabriel Gripp Fernandes, Alana Tercino Frias, Glauber S Ferreira da Silva, José Antunes-Rodrigues, Hélio Zangrossi
Exposure to elevated concentrations of CO2 or hypoxia has been widely used in psychiatric research as a panic provoking stimulus. However, the use of these respiratory challenges to model panic-like responses in experimental animals has been less straightforward. Little data is available, from behavioral and endocrine perspectives, to support the conclusion that a marked aversive situation, such as that experienced during panic attacks, was evoked in these animals. We here compared the behavioral responses of male CB57BL/6 mice during exposure to 20% CO2 or 7% O2 and its consequence on plasma levels of corticosterone...
October 28, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29101905/conversion-factors-for-assessment-of-driving-impairment-after-exposure-to-multiple-benzodiazepines-z-hypnotics-or-opioids
#11
Maren Cecilie Strand, Jørg Mørland, Lars Slørdal, Bettina Riedel, Cato Innerdal, Trond Aamo, Grete Mathisrud, Vigdis Vindenes
AIMS: Norway has introduced legal concentration limits in blood for 28 non-alcohol drugs in driving under the influence cases. As of 2016 this legislation also regulates the assessment of combined effects of multiple benzodiazepines and opioids. We herein describe the employed methodology for the equivalence tables for concentrations of benzodiazepines/z-hypnotics and opioids implemented in the Norwegian Road Traffic Act. METHODS: Legislative limits corresponding to impairment at blood alcohol concentrations (BAC) of 0...
December 2017: Forensic Science International
https://www.readbyqxmd.com/read/29099383/does-using-alprazolam-during-outpatient-flexible-cystoscopy-decrease-anxiety-and-pain
#12
Tayyar Alp Ozkan, Sefik Koprulu, Ayhan Karakose, Ozdal Dillioglugil, Ibrahim Cevik
OBJECTIVES: To evaluate the effect of pre-operative alprazolam medication on anxiety and pain in flexible cystoscopy for bladder cancer follow-up. METHODS: A total of 86 male patients who had flexible cystoscopy for bladder cancer follow-up at 6th and 9th months were included in the study. A visual analog scale (VAS) pain score and the State-Trait Anxiety Inventory (STAI) were used. The 6th (VAS-1)and 9th (VAS-2) month pain scores and 6th month STAI score (STAI-1) and, 9th month STAI score before (STAI-2a) and after alprazolam (0...
November 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/29034101/lamotrigine-induced-sexual-dysfunction-and-non-adherence-case-analysis-with-literature-review
#13
Kenneth R Kaufman, Melissa Coluccio, Kartik Sivaraaman, Miriam Campeas
BACKGROUND: Optimal anti-epileptic drug (AED) treatment maximises therapeutic response and minimises adverse effects (AEs). Key to therapeutic AED treatment is adherence. Non-adherence is often related to severity of AEs. Frequently, patients do not spontaneously report, and clinicians do not specifically query, critical AEs that lead to non-adherence, including sexual dysfunction. Sexual dysfunction prevalence in patients with epilepsy ranges from 40 to 70%, often related to AEDs, epilepsy or mood states...
September 2017: BJPsych Open
https://www.readbyqxmd.com/read/29032024/characteristics-of-self-inflicted-drug-overdose-deaths-in-north-carolina
#14
Anna E Austin, Scott K Proescholdbell, Kathleen E Creppage, Alex Asbun
BACKGROUND: Drug overdose mortality is a major public health concern in the United States, with prescription opioids contributing substantially to recent increases in drug overdose deaths. Compared to unintentional drug overdose deaths, relatively little data describes intentional self-inflicted drug overdose deaths (i.e., suicide by drug overdose). The aim of this study was to examine the characteristics of self-inflicted drug overdose deaths, overall and in comparison to unintentional drug overdose deaths...
October 10, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29022858/formulation-and-characterization-of-alprazolam-loaded-nanoliposomes-screening-of-process-variables-and-optimizing-characteristics-using-rsm
#15
Seyed Hesamoddin Hashemi, Majid Montazer, Nasser Naghdi, Tayebeh Toliyat
This research study aimed to develop a novel sustained release formulation of alprazolam that can also be used for transdermal delivery. This was carried out, for the first time, through encapsulation of alprazolam in nanoliposomes using ethanol injection. In order to obtain the best formulation, four process variables, including the solvent/nonsolvent volume ratio, phospholipid concentration, alprazolam concentration, and cholesterol content were considered as key factors. Response surface methodology (RSM) and a central composite design (CCD) model were used to investigate the effect of these factors on vesicle size (VS) and encapsulation efficiency (EE) as the major properties of nanoliposomes...
October 12, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28951362/-depression-and-anxiety-caused-by-pegylated-interferon-treatment-in-patients-with-chronic-hepatitis-b-and-the-therapeutic-effects-of-escitalopram-and-alprazolam
#16
Cheng-Guang Hu, Guo-Sheng Yuan, Hua-Ping Huang, Jun-Wei Liu, Yu-Chen Zhou, Yan-Yu Ren, Yuan Li, Wen-Juan Tan, Mei-Lei Su, Yuan-Ping Zhou
OBJECTIVE: To evaluate the incidence of depression and anxiety caused by pegylated interferon α (PegIFN-α) treatment for chronic hepatitis B (CHB) and assess the efficacy of intervention with escitalopram and alprazolam. METHODS: A total of 165 CHB patients receiving PegIFN-α-based treatment for 12 weeks were assessed for moderate to severe depression and anxiety using Patient Health Questionnaire (PHQ-9) and 7-item Generalized Anxiety Disorder Scale (GAD-7)]...
September 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28942593/psychoactive-drugs-occurrence-in-aquatic-environment-analytical-methods-and-ecotoxicity-a-review
#17
Deivisson Lopes Cunha, Frederico Goytacazes de Araujo, Marcia Marques
This review focused on seven psychoactive drugs being six benzodiazepines (alprazolam, bromazepam, clonazepam, diazepam, lorazepam, and oxazepam) and one antidepressant (citalopram) widely consumed by modern society and detected in different aqueous matrices (drinking water, surface water, groundwater, seawater, estuary water, influent and effluent of wastewater treatment plants). The review included 219 selected scientific papers from which 1642 data/entries were obtained, each entry corresponding to one target compound in one aqueous matrix...
November 2017: Environmental Science and Pollution Research International
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
#18
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/28917695/the-impact-of-gabaergic-drugs-on-tms-induced-brain-oscillations-in-human-motor-cortex
#19
Isabella Premoli, Til O Bergmann, Matteo Fecchio, Mario Rosanova, Andrea Biondi, Paolo Belardinelli, Ulf Ziemann
Brain responses to transcranial magnetic stimulation (TMS) as measured with electroencephalography (EEG) have so far been assessed either by TMS-evoked EEG potentials (TEPs), mostly reflecting phase-locked neuronal activity, or time-frequency-representations (TFRs), reflecting oscillatory power arising from a mixture of both evoked (i.e., phase-locked) and induced (i.e., non-phase-locked) responses. Single-pulse TMS of the human primary motor cortex induces a specific pattern of oscillatory changes, characterized by an early (30-200 ms after TMS) synchronization in the α- and β-bands over the stimulated sensorimotor cortex and adjacent lateral frontal cortex, followed by a late (200-400 ms) α- and β-desynchronization over the stimulated and contralateral sensorimotor cortex...
September 14, 2017: NeuroImage
https://www.readbyqxmd.com/read/28888755/an-atmospheric-pressure-chemical-ionisation-liquid-chromatographic-tandem-mass-spectrometry-method-for-the-analysis-of-benzodiazepines-in-urine
#20
S Dunlop, K Hayes, P Leavy, D Cusack, R Maguire
The objective of this work was to establish an analytical method for the analysis of 7 Benzodiazepines (diazepam, oxazepam, temazepam, nordiazepam, desalkylflurazepam, alprazolam and α-hydroxyalprazolam) in urine specimens taken from drivers suspected of driving under the influence of drugs. The specimen, calibrator and control preparation involved hydrolysis of conjugated benzodiazepines using β-glucuronidase in sodium acetate buffer, with incubation at 60°C for 2h. Specimens were then centrifuged, before being diluted 1 in 5 (total dilution 1 in 10), with 10% acetonitrile in water...
October 1, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
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