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https://www.readbyqxmd.com/read/27922194/pharmacodynamic-response-profiles-of-anxiolytic-and-sedative-drugs
#1
Xia Chen, Freerk Broeyer, Marieke de Kam, Joke Baas, Adam Cohen, Joop van Gerven
INTRODUCTION: Centrally-acting acutely anxiolytic drugs, like benzodiazepines, barbiturates and gabapentinoids, affect various central nervous system (CNS) functions, which reflect not only their anxiolytic effects but also neuropsychological side-effects. To validate the pharmacodynamic biomarkers for GABA-ergic anxiolytics, this study determined the pharmacodynamics of two anxiolytics and a non-anxiolytic control and linked them to their anxiolytic and sedative effects, during an anxiety-challenge study day...
December 6, 2016: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27900070/potentially-inappropriate-medications-by-beers-criteria-in-older-outpatients-prevalence-and-risk-factors
#2
Yeon-Jung Lim, Ha-Yeon Kim, Jaekyung Choi, Ji Sun Lee, Ah-Leum Ahn, Eun-Jung Oh, Dong-Yung Cho, Hyuk-Jung Kweon
BACKGROUND: Prescription of inappropriate medicine to elderly patients is a major public health care concern. The Beers criteria have been commonly employed as a screening tool to identify the use of potentially inappropriate medications (PIMs). The present study investigated the prevalence of PIM use according to the Beers criteria as well as factors related to PIM use. METHODS: Data obtained from a retrospective survey included 25,810 outpatients aged ≥65 years from a university medical center in Seoul, Korea...
November 2016: Korean Journal of Family Medicine
https://www.readbyqxmd.com/read/27881622/stability-of-21-cocaine-opioid-and-benzodiazepine-drug-analytes-in-spiked-meconium-at-three-temperatures
#3
Fang Wu, Stephanie J Marin, Gwendolyn A McMillin
In this study, the stability of 21 cocaine, opioid and benzodiazepine analytes in spiked meconium was investigated at three storage temperatures: 4°C, room temperature (RT), and 37°C (body temperature). The drugs/metabolites included were hydrocodone, hydromorphone, codeine, morphine, 6-acetylmorphine (6-AM), oxycodone, oxymorphone, cocaine, cocaethylene, benzoylecgonine, m-hydroxybenzoylecgonine, diazepam, oxazepam, temazepam, nordiazepam, chlordiazepoxide, lorazepam, alprazolam, alpha-hydroxyalprazolam, clonazepam, 7-aminoclonazepam, midazolam, alpha-hydroxymidazolam and zolpidem...
November 22, 2016: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/27866243/monitoring-of-adherence-to-headache-treatments-by-means-of-hair-analysis
#4
Anna Ferrari, Manuela Licata, Cecilia Rustichelli, Carlo Baraldi, Daniele Vandelli, Filippo Marchesi, Federica Palazzoli, Patrizia Verri, Enrico Silingardi
PURPOSE: The aim of this study was to evaluate the potential of hair analysis to monitor medication adherence in headache patients undergoing chronic therapy. For this purpose, the following parameters were analyzed: the detection rate of 23 therapeutic drugs in headache patients' hair, the degree of agreement between the self-reported drug and the drug found in hair, and whether the levels found in hair reflected the drug intake reported by the patients. METHODS: The study included 93 patients suffering from primary headaches declaring their daily intake of at least one of the following drugs during the 3 months before the hair sampling: alprazolam, amitriptyline, citalopram, clomipramine, clonazepam, delorazepam, diazepam, duloxetine, fluoxetine, flurazepam, levomepromazine, levosulpiride, lorazepam, lormetazepam, mirtazapine, paroxetine, quetiapine, sertraline, topiramate, trazodone, triazolam, venlafaxine, and zolpidem...
November 20, 2016: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27856134/alprazolam-in-fatal-overdose-following-regulatory-rescheduling-a-response-to-deacon-et-al
#5
Belinda Lloyd, Jeremy Dwyer, Lyndal Bugeja, Audrey Jamieson
No abstract text is available yet for this article.
November 14, 2016: International Journal on Drug Policy
https://www.readbyqxmd.com/read/27807907/trends-in-incident-use-of-benzodiazepines-and-z-drugs-in-france-from-2006-to-2012-a-population-based-study
#6
Anne Bénard-Laribière, Pernelle Noize, Elodie Pambrun, Fabienne Bazin, Hélène Verdoux, Marie Tournier, Bernard Bégaud, Antoine Pariente
PURPOSE: To study trends in incident use of benzodiazepines in France between 2006 and 2012. METHODS: A cross-sectional study repeated yearly was conducted using data from the French national healthcare insurance system. New benzodiazepine users were defined as users without any benzodiazepine dispensing in the year prior to the first dispensing of benzodiazepine in each year. Relative changes in incidence of use were calculated with the year 2006 as reference; confidence intervals for changes were estimated using the bootstrap method...
November 3, 2016: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/27798077/a-fatality-related-to-the-synthetic-opioid-u-47700-postmortem-concentration-distribution
#7
Iain M McIntyre, Ray D Gary, Sandra Joseph, Robert Stabley
In this case report, we present an evaluation of the distribution of postmortem concentrations of 3,4-dichloro-N-[2-(dimethylamino)cyclohexyl]-N-methylbenzamide (U-47700) in a fatality attributed principally to the drug. A man who had a history of drug abuse was found unresponsive and not breathing on his bed. Drug paraphernalia, indicating drug insufflation, was located in the decedent's room. Toxicology screening tests in peripheral blood initially identified U-47700 using an alkaline drug screen with gas chromatography-mass spectrometry (GC-MS) following solid-phase extraction...
October 26, 2016: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/27779482/influence-of-premedication-with-alprazolam-on-the-occurence-of-obstructive-apneas-a-prospective-randomized-double-blind-study
#8
E Deflandre, V Bonhomme, A-C Courtois, S Degey, R Poirrier, J-F Brichant
Postoperative development or worsening of obstructive sleep apnea is a potential complication of anesthesia. The objective of this study was to study the effects of a premedication with alprazolam on the occurrence of apneas during the immediate postoperative period. Fifty ASA 1 - 2 patients undergoing a colonoscopy were recruited. Patients with a history of obstructive sleep apnea (OSA) were excluded. Recruited patients were randomly assigned to one of two groups: in Group A, they received 0.5 mg of alprazolam orally one hour before the procedure; and in Group C, they received placebo...
August 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/27737792/effects-of-alprazolam-and-cannabinoid-related-compounds-in-an-animal-model-of-panic-attack
#9
Luara A Batista, Andrea S Haibara, Luiz C Schenberg, Fabricio A Moreira
Selective stimulation of carotid chemoreceptors by intravenous infusion of low doses of potassium cyanide (KCN) produces short-lasting escape responses that have been proposed as a model of panic attack. In turn, preclinical studies suggest that facilitation of the endocannabinoid system attenuate panic-like responses. Here, we compared the effects of cannabinoid-related compounds to those of alprazolam, a clinically effective panicolytic, on the duration of the escape reaction induced by intravenous infusion of KCN (80μg) in rats...
October 11, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27725022/inappropriate-medicine-prescribing-in-older-south-africans-a-cross-sectional-analysis-of-medicine-claims-data
#10
J A Van Heerden, J R Burger, J J Gerber
BACKGROUND: Prescribing for older patients is a well-recognised problem, and inappropriate items are prescribed frequently. Several tools and criteria are available to promote rational prescribing in older patients. OBJECTIVE: To determine the prevalence of potentially inappropriate prescriptions (PIPs) in older South African patients. METHODS: A retrospective drug utilisation review was conducted using medicine claims data over a 1-year period...
September 9, 2016: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/27691935/combination-therapy-with-fluoxetine-and-alprazolam-to-control-anxiety-in-a-hand-reared-snow-leopard-uncia-uncia
#11
Holly J Holman
A captive hand-reared adult male snow leopard ( Uncia uncia ) was treated for anxiety associated with taunting from visitors, the presence of large crowds, and introduction to a female for breeding. Behaviors included shaking, chewing on tail, panting, panicking, and bouncing off the viewing glass, pacing, and avoidance of the female. Combination therapy of oral fluoxetine and alprazolam were administered initially to minimize anxious behaviors while the fluoxetine achieved therapeutic levels. The alprazolam was tapered completely and was only used episodically on two occasions...
September 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/27660452/prescription-patterns-of-benzodiazepines-in-the-lebanese-adult-population-a-cross-sectional-study
#12
Wijdan H Ramadan, Ghada M El Khoury, Mary E Deeb, Marwan Sheikh-Taha
This study assessed the profile of benzodiazepine (BDZ) users in Lebanon. Adult patients visiting the pharmacies with prescriptions of BDZs were included in the study. Seven hundred and eighty-six current BDZ users were included, of whom 54.2% were females. Twenty-three percent reported being alcohol consumers and were mostly males. The two most commonly used BDZs were alprazolam (34.6%) and bromazepam (33.6%). The indication for use was mainly anxiety (44.4%), insomnia (22.5%), and depression (15.9%). The prescribing physicians were primarily psychiatrists (43...
2016: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/27635251/quantitative-analysis-of-benzodiazepines-in-vitreous-humor-by-high-performance-liquid-chromatography
#13
Elham Bazmi, Behnam Behnoush, Maryam Akhgari, Leila Bahmanabadi
OBJECTIVE: Benzodiazepines are frequently screened drugs in emergency toxicology, drugs of abuse testing, and in forensic cases. As the variations of benzodiazepines concentrations in biological samples during bleeding, postmortem changes, and redistribution could be biasing forensic medicine examinations, hence selecting a suitable sample and a validated accurate method is essential for the quantitative analysis of these main drug categories. The aim of this study was to develop a valid method for the determination of four benzodiazepines (flurazepam, lorazepam, alprazolam, and diazepam) in vitreous humor using liquid-liquid extraction and high-performance liquid chromatography...
2016: SAGE Open Medicine
https://www.readbyqxmd.com/read/27599193/pls-ls-svm-based-modeling-of-atr-ir-as-a-robust-method-in-detection-and-qualification-of-alprazolam
#14
Elahehnaz Parhizkar, Mohammad Ghazali, Fatemeh Ahmadi, Amirhossein Sakhteman
According to the United States pharmacopeia (USP), Gold standard technique for Alprazolam determination in dosage forms is HPLC, an expensive and time-consuming method that is not easy to approach. In this study chemometrics assisted ATR-IR was introduced as an alternative method that produce similar results in fewer time and energy consumed manner. Fifty-eight samples containing different concentrations of commercial alprazolam were evaluated by HPLC and ATR-IR method. A preprocessing approach was applied to convert raw data obtained from ATR-IR spectra to normal matrix...
August 31, 2016: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/27591717/post-mortem-concentrations-of-drugs-determined-in-femoral-blood-in-single-drug-fatalities-compared-with-multi-drug-poisoning-deaths
#15
Alan Wayne Jones, Anita Holmgren, Johan Ahlner
BACKGROUND: Reference concentrations of drugs in post-mortem femoral blood furnishes useful information when poisoning (intoxication) deaths are investigated. However, few publications compare the concentrations of drugs in single-drug fatalities with multi-drug intoxications. This article attempts to fill this gap in knowledge. METHODS: We searched a national forensic toxicology database (TOXBASE) and found N=13,963 deaths attributed by pathologists to intoxication by drugs (poisoning)...
October 2016: Forensic Science International
https://www.readbyqxmd.com/read/27578081/psychogenic-itch-management
#16
Jacek C Szepietowski, Radomir Reszke
Pruritus is a bothersome and prevalent symptom reported by patients suffering from both cutaneous and extracutaneous diseases. Psychogenic pruritus, also referred to as functional itch disorder, is a distinct clinical entity. According to the definition proposed by the French Psychodermatology Group (FPDG) in 2007, the disorder is characterized by pruritus which is the chief complaint and psychologic factors that contribute to eliciting, worsening, and sustaining the symptoms. Specific diagnostic criteria were proposed, including 3 compulsory and 7 optional, of which 3 have to be met in order to establish the diagnosis...
2016: Current Problems in Dermatology
https://www.readbyqxmd.com/read/27550995/stability-of-26-sedative-hypnotics-in-six-toxicological-matrices-at-different-storage-conditions
#17
Dani C Mata
Forensic laboratories are challenged with backlogs that produce turnaround times that vary from days to months. Therefore, drug stability is important for interpretation in both antemortem (blood and urine) and postmortem (blood, brain, liver, stomach contents) cases. In this study, 23 benzodiazepines (2-hydroxyethylflurazepam, 7-aminoclonazepam, 7-aminoflunitrazepam, α-hydroxyalprazolam, α-hydroxytriazolam, alprazolam, bromazepam, chlordiazepoxide, clonazepam, demoxepam, desalkylflurazepam, diazepam, estazolam, flunitrazepam, flurazepam, lorazepam, midazolam, nitrazepam, nordiazepam, oxazepam, phenazepam, temazepam and triazolam) and three sedative hypnotics (zaleplon, zopiclone and zolpidem) were spiked into the six matrices at two different concentrations for each drug...
October 2016: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/27532131/adverse-effects-from-counterfeit-alprazolam-tablets
#18
Ann M Arens, Xander M R van Wijk, Kathy T Vo, Kara L Lynch, Alan H B Wu, Craig G Smollin
No abstract text is available yet for this article.
October 1, 2016: JAMA Internal Medicine
https://www.readbyqxmd.com/read/27531502/panic-modulating-effects-of-alprazolam-moclobemide-and-sumatriptan-in-the-rat-elevated-t-maze
#19
Ana Beatriz Sant'Ana, Luiz Fernando Weffort, Thatiane de Oliveira Sergio, Rafael Calsoni Gomes, Alana Tercino Frias, Melina Matthiesen, Heloisa Helena Vilela-Costa, Paula Shimene de Melo Yamashita, Alex Teles Vasconcelos, Valquiria de Bortoli, Cristina Marta Del-Ben, Helio Zangrossi
The elevated T-maze was developed to test the hypothesis that serotonin plays an opposing role in the regulation of defensive behaviors associated with anxiety and panic. Previous pharmacological exploitation of this test supports the association between inhibitory avoidance acquisition and escape expression with anxiety and fear/panic, respectively. In the present study, we extend the pharmacological validation of this test by investigating the effects of other putative or clinically effective anxiety- and panic-modulating drugs...
December 15, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27503108/association-of-affective-temperaments-with-blood-pressure-and-arterial-stiffness-in-hypertensive-patients-a-cross-sectional-study
#20
Andrea László, Ádám Tabák, Beáta Kőrösi, Dániel Eörsi, Péter Torzsa, Orsolya Cseprekál, András Tislér, György Reusz, Zsófia Nemcsik-Bencze, Xénia Gonda, Zoltán Rihmer, János Nemcsik
BACKGROUND: Affective temperaments (anxious, depressive, cyclothymic, irritable and hyperthymic) measure subclinical manifestations of major mood disorders. Furthermore, cumulating evidence suggests their involvement in somatic disorders as well. We aimed to assess associations between affective temperament scores and blood pressure and arterial stiffness parameters in hypertensive patients. METHODS: In this cross-sectional study, 173 patients with well-controlled or grade 1 chronic hypertension, with no history of depression, completed the TEMPS-A, Beck Depression Inventory (BDI) and Hamilton Anxiety Scale (HAM-A) questionnaires in three GP practices...
2016: BMC Cardiovascular Disorders
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