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https://www.readbyqxmd.com/read/28936791/nmda-receptors-and-no-cgmp-signaling-pathway-mediate-the-diazepam-induced-sensitization-to-withdrawal-signs-in-mice
#1
Sylwia Talarek, Joanna Listos, Jolanta Orzelska-Gorka, Anna Serefko, Jolanta Kotlińska
The goal of the present study was to examine the effects of N-methyl-aspartate (NMDA) receptor antagonists-memantine and ketamine and the drugs modifying the NO:cGMP pathway-NG-nitro-L-arginine methyl ester (L-NAME) and 7-nitroindazole (7-NI), the endogenous precursor of NO-L-arginine, and the guanylyl cyclase inhibitor-methylene blue (MB) on the development of sensitization to withdrawal signs precipitated after chronic, interrupted treatment with diazepam, a benzodiazepine receptor agonist, in mice. To develop the sensitization, the mice were divided into groups: continuously and sporadically (with two diazepam-free periods) treated with diazepam (15 mg/kg, sc)...
September 21, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28934555/cardiovascular-effects-of-methadone-and-concomitant-use-of-diazepam-during-methadone-maintenance-treatment-induction-low-concentration-risk
#2
Vesna Mijatović, Isidora Samojlik, Stojan Petković, Saša Vukmirović, Arsen Uvelin, Aleksandra Dickov
Background The aim is to evaluate the role of diazepam concentrations in development of low-concentration-methadone-associated QTc prolongation in patients with opioid use disorder during methadone maintenance treatment (MMT) induction. Research design and methods Individuals with addiction disorder on MMT were studied before the beginning of MMT and after one and six months of MMT. Serum concentrations of methadone, diazepam, electrolytes and ECG were analyzed. Results Thirty patients were enrolled. The mean methadone concentration at time points was 177±119 ng/ml and 343±182 ng/ml, while the mean diazepam concentration was 561±437 ng/ml and 1045±933 ng/ml...
September 21, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28928577/a-prospective-observational-study-to-evaluate-the-role-of-gabapentin-as-preventive-analgesic-in-thyroidectomy-under-general-anesthesia
#3
Vadakkoot Raghavan Hema, Konnanath Thekkethil Ramadas, Kannammadathy Poulose Biji, Suseela Indu, Aravind Arun
BACKGROUND: Effective management of postoperative pain is a part of well-organized perioperative care, which helps in reduced morbidity and improved patient satisfaction. Preventive analgesia can reduce acute and chronic pain by blocking the noxious inputs to pain pathways, preventing sensitization. Studies have reported efficacy of gabapentin as a preventive analgesic in perioperative pain. In this study, we aimed to determine whether preoperative gabapentin reduced postoperative pain and tramadol consumption after thyroidectomy under general anesthesia...
July 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28924743/a-physiologically-based-pharmacokinetic-model-for-pregnant-women-to-predict-the-pharmacokinetics-of-drugs-metabolized-via-several-enzymatic-pathways
#4
André Dallmann, Ibrahim Ince, Katrin Coboeken, Thomas Eissing, Georg Hempel
BACKGROUND: Physiologically based pharmacokinetic modeling is considered a valuable tool for predicting pharmacokinetic changes in pregnancy to subsequently guide in-vivo pharmacokinetic trials in pregnant women. The objective of this study was to extend and verify a previously developed physiologically based pharmacokinetic model for pregnant women for the prediction of pharmacokinetics of drugs metabolized via several cytochrome P450 enzymes. METHODS: Quantitative information on gestation-specific changes in enzyme activity available in the literature was incorporated in a pregnancy physiologically based pharmacokinetic model and the pharmacokinetics of eight drugs metabolized via one or multiple cytochrome P450 enzymes was predicted...
September 18, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28917695/the-impact-of-gabaergic-drugs-on-tms-induced-brain-oscillations-in-human-motor-cortex
#5
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/28903606/metabolic-profile-of-oxazepam-and-related-benzodiazepines-clinical-and-forensic-aspects
#6
Ricardo Jorge Dinis-Oliveira
Anxiolytic drugs, namely benzodiazepines, are the most commonly used psychoactive substances since anxiety disorders are prevalent mental disorders particularly in the Western world. Oxazepam is a short-acting benzodiazepine and one of the most frequently prescribed anxiolytic drugs. It is also the active metabolite of a wide range of other benzodiazepines, such as diazepam, ketazolam, temazepam, chlordiazepoxide, demoxazepam, halazepam, medazepam, prazepam, pinazepam, and chlorazepate. Therefore, relevant clinical and forensic outocomes may arise, namely those related to interference in driving performance...
September 14, 2017: Drug Metabolism Reviews
https://www.readbyqxmd.com/read/28901251/case-report-severe-hematological-muscle-and-liver-toxicity-caused-by-drugs-and-artichoke-infusion-interaction-in-an-elderly-polymedicated-patient
#7
M G Campos, J Machado, M L Costa, S Lino, F Correia, F Maltez
Case report, in a patient with a history of diabetes and hypertension, treated with metformin, gliclazide, enalapril + hydrochlorothiazide, amlodipine, aspirin and diazepam, recently medicated for a gouty crisis with colchicine and clonixin without improvement. Believing it could help in the treatment of gouty crisis symptoms he took about 1.5 L of artichoke infusion (Cynara cardunculus). He felt better and did agriculture work but developed a distal muscle pain, severe anemia, standard biochemical liver cholestasis, increase of alkaline phosphatase and marked increase of inflammatory parameters (hyperleucocytosis) and enters in the emergency department at the hospital...
September 12, 2017: Current Drug Safety
https://www.readbyqxmd.com/read/28898879/comparison-of-clomethiazole-and-diazepam-in-the-treatment-of-alcohol-withdrawal-syndrome-in-clinical-practice
#8
Hannah Sychla, Gerhard Gründer, Sarah Edith Lammertz
BACKGROUND: The objective of this retrospective study was to compare the effectivity and tolerability of diazepam and clomethiazole in the treatment of alcohol withdrawal syndrome (AWS) in a large clinical sample. METHODS: The data of 566 patients admitted to an intensive care psychiatric unit in Germany (2010-2014) were evaluated. The course of withdrawal was analyzed on a matched sample (n = 152) consisting of a diazepam group (n = 76) and a clomethiazole group (n = 76)...
September 13, 2017: European Addiction Research
https://www.readbyqxmd.com/read/28898862/degradation-and-intermediates-of-diclofenac-as-instructive-example-for-decomposition-of-recalcitrant-pharmaceuticals-by-hydroxyl-radicals-generated-with-pulsed-corona-plasma-in-water
#9
Robert Banaschik, Helena Jablonowski, Patrick J Bednarski, Juergen F Kolb
Seven recalcitrant pharmaceutical residues (diclofenac, 17α-ethinylestradiol, carbamazepine, ibuprofen, trimethoprim, diazepam, diatrizoate) were decomposed by pulsed corona plasma generated directly in water. The detailed degradation pathway was investigated for diclofenac and 21 intermediates could be identified in the degradation cascade. Hydroxyl radicals have been found primarily responsible for decomposition steps. By spin trap enhanced electron paramagnetic resonance spectroscopy (EPR), OH-adducts and superoxide anion radical adducts were detected and could be distinguished applying BMPO as a spin trap...
August 25, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28890837/why-it-is-not-always-anxiety-a-tough-diagnosis-of-stiff-person-syndrome
#10
Carmen Elena Cervantes, Hsien Lee Lau, Tina Ataian Binazir, Keith O O'Brien, Jonathan S Cross
Anxiety disorder is a commonly used diagnosis that may mask underlying conditions. Stiff person syndrome (SPS) is a rare neuroimmunological disorder characterized by progressive rigidity and painful muscle spasms affecting axial and lower extremity musculature. These episodes can be triggered by sudden movement, noise, or emotional stress, which may present as a psychiatric condition. We report the case of a 30-year-old female who presented with recurrent panic attacks with multiple prior hospital admissions for anxiety, rigidity, and difficulty in walking...
2017: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/28890367/enhanced-anandamide-signaling-reduces-flight-behavior-elicited-by-an-approaching-robo-beetle
#11
Daniel E Heinz, Andreas Genewsky, Carsten T Wotjak
Our current knowledge of the implications of endocannabinoids in fear and anxiety is largely based on fear conditioning paradigms and approach-avoidance conflicts. Here we establish the ethobehavioral beetle mania task (BMT), which confronts mice with an erratically moving robo-beetle. With the help of this task we demonstrate decreased tolerance yet increased avoidance responses to an approaching beetle in high-anxiety behavior (HAB) and BALBc mice compared to C57BL/6N, CD1 and normal-anxiety behavior (NAB) mice...
September 7, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28888755/an-atmospheric-pressure-chemical-ionisation-liquid-chromatographic-tandem-mass-spectrometry-method-for-the-analysis-of-benzodiazepines-in-urine
#12
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...
August 24, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28884085/anti-anxiety-and-hypnotic-effects-of-ethanolic-and-aqueous-extracts-of-lippia-citriodora-leaves-and-verbascoside-in-mice
#13
Bibi Marjan Razavi, Naser Zargarani, Hossein Hosseinzadeh
OBJECTIVES: The extract of Lippia citriodora and its main component, verbascoside, are known for their hypnotic effects in traditional medicine. In this study, the anxiolytic and hypnotic effects of L. citriodora leave extracts and verbascoside were evaluated in mice. MATERIALS AND METHODS: Animals were divided into 11 groups of six mice each. Group I received normal saline, Group II received Diazepam (2 mg/kg) as positive control, Groups III, IV and V received L...
July 2017: Avicenna Journal of Phytomedicine
https://www.readbyqxmd.com/read/28879452/methylprednisolone-plus-diazepam-i-v-as-bridge-therapy-for-medication-overuse-headache
#14
Matteo Paolucci, Claudia Altamura, Nicoletta Brunelli, Angelo Cascio Rizzo, Federica Assenza, Patrizio Pasqualetti, Fabrizio Vernieri
Management of medication overuse headache (MOH) requires abrupt suspension of overused drugs either alone or in association with a detoxification protocol to prevent withdrawal. However, there is no consensus about which suspension strategy is the most effective. Moreover, reliable data about the possible mid-term effect of detoxification are not available. The objective of this study was to evaluate whether a bridge therapy consisting of a 5-day i.v. infusion of methylprednisolone and diazepam determines a significant reduction in headache frequency and drug assumption during the detoxification protocol (day 5) and in the first 3 months in patients with MOH...
September 6, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28875555/midazolam-vs-diazepam-in-prolonged-seizures-in-children-a-pharmacoeconomic-approach
#15
E Beghi, G Capovilla, E Franzoni, F Minicucci, A Romeo, A Verrotti, F Vigevano, E Perucca
OBJECTIVE: A previous European cost-utility study reported that use of buccal midazolam in the community setting for the treatment of prolonged seizures (ie, seizures lasting ≥5 minutes) in children was associated with an overall €12 507 399 reduction in annual costs charged to the Italian national health service compared with rectal diazepam. We re-evaluated these findings by applying a more conservative approach. METHODS: The Italian Delphi panel reconvened to apply a more conservative assessment of available reports...
September 6, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28872668/efficacy-of-oral-pharmacological-treatments-in-dyskinetic-cerebral-palsy-a-systematic-review
#16
REVIEW
Riccardo Masson, Emanuela Pagliano, Giovanni Baranello
AIM: To evaluate the actual evidence of efficacy of oral pharmacological treatments in the management of dyskinetic cerebral palsy (CP). METHOD: A systematic review was performed according to the American Academy for Cerebral Palsy and Developmental Medicine (AACPDM) and Preferred Reporting Items for Systematic Reviews and Meta-Analyses methodology. Articles were searched for in PubMed/MEDLINE, Scopus, Web of Science, Cochrane Library, Database of Reviews of Effectiveness, OTSeeker, Physiotherapy Evidence Database, REHABDATA, and ClinicalTrials...
September 5, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28865447/multicenter-assessment-of-sedation-and-delirium-practices-in-the-intensive-care-units-in-poland-is-this-common-practice-in-eastern-europe
#17
Katarzyna Kotfis, Małgorzata Zegan-Barańska, Maciej Żukowski, Krzysztof Kusza, Mariusz Kaczmarczyk, E Wesley Ely
BACKGROUND: The majority of critically ill patients experience distress during their stay in the Intensive Care Unit (ICU), resulting from systemic illness, multiple interventions and environmental factors. Providing humane care should address concomitant treatment of pain, agitation and delirium. The use of sedation and approaches to ICU delirium should be monitored according to structured guidelines. However, it is unknown to what extent these concepts are followed in Eastern European countries like Poland...
September 2, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28857763/competitive-antagonism-of-anesthetic-action-at-the-%C3%AE-aminobutyric-acid-type-a-receptor-by-a-novel-etomidate-analog-with-low-intrinsic-efficacy
#18
Celena Ma, Ervin Pejo, Megan McGrath, Selwyn S Jayakar, Xiaojuan Zhou, Keith W Miller, Jonathan B Cohen, Douglas E Raines
BACKGROUND: The authors characterized the γ-aminobutyric acid type A receptor pharmacology of the novel etomidate analog naphthalene-etomidate, a potential lead compound for the development of anesthetic-selective competitive antagonists. METHODS: The positive modulatory potencies and efficacies of etomidate and naphthalene-etomidate were defined in oocyte-expressed α1β3γ2L γ-aminobutyric acid type A receptors using voltage clamp electrophysiology. Using the same technique, the ability of naphthalene-etomidate to reduce currents evoked by γ-aminobutyric acid alone or γ-aminobutyric acid potentiated by etomidate, propofol, pentobarbital, and diazepam was quantified...
August 29, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28853697/analysis-of-inappropriate-medication-use-and-drug-interactions-in-older-people-in-south-korea%C3%A2
#19
Hyunah Kim, Hun-Sung Kim, Hyerang Ko, Jia Choi, Nam Cho
OBJECTIVES: Medication use in older people has been increasing as the incidence of chronic diseases increases worldwide. The objective of this study was to assess potentially inappropriate medications (PIMs) and potential drug-drug interactions (pDDIs) to improve the rational use of medications in this population. MATERIALS AND METHODS: In this large, cross-sectional study, data on older people from a regional community obtained during health examinations in 2013 - 2014 were analyzed...
August 30, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28851658/benzodiazepines-use-and-breast-cancer-risk-a-population-based-study-and-gene-expression-profiling-evidence
#20
Usman Iqbal, Tzu-Hao Chang, Phung-Anh Nguyen, Shabbir Syed-Abdul, Hsuan-Chia Yang, Chih-Wei Huang, Suleman Atique, Wei-Chung Yang, Max Moldovan, Wen-Shan Jian, Min-Huei Hsu, Yun Yen, Yu-Chuan Jack Li
The aim of this study was to investigate whether long-term use of Benzodiazepines (BZDs) is associated with breast cancer risk through the combination of population-based observational and gene expression profiling evidence. We conducted a population-based case-control study by using 1998 to 2009 year Taiwan National Health Insurance Research Database and investigated the association between BZDs use and breast cancer risk. We selected subjects age of > 20 years old and six eligible controls matched for age, sex and the index date (i...
August 26, 2017: Journal of Biomedical Informatics
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