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https://www.readbyqxmd.com/read/28542801/serum-protein-binding-of-25-antiepileptic-drugs-in-a-routine-clinical-setting-a-comparison-of-free-non-protein-bound-concentrations
#1
Philip N Patsalos, Miguel Zugman, Charlotte Lake, Anthony James, Neville Ratnaraj, Josemir W Sander
OBJECTIVE: Given that only the free non-protein-bound concentration of an antiepileptic drug (AED) crosses the blood-brain barrier, entering the brain and producing an antiepileptic effect, knowledge and measurement of the free drug fraction is important. Such data are sparse, particularly for newer AEDs, and have arisen from the use of disparate methodologies and settings over the past six decades. We report on the protein binding of 25 AEDs that are available for clinical use, along with two pharmacologically active metabolites (carbamazepine-epoxide and N-desmethyl clobazam), using standardized methodology and under set conditions...
May 24, 2017: Epilepsia
https://www.readbyqxmd.com/read/28541026/advances-in-the-management-of-diabetic-neuropathy
#2
Tamás Várkonyi, Anna Körei, Zsuzsanna Putz, Tímea Martos, Katalin Keresztes, Csaba Lengyel, Szabolcs Nyiraty, Alin Stirban, György Jermendy, Péter Kempler
The authors review current advances in the therapy of diabetic neuropathy. The role of glycaemic control and management of cardiovascular risk factors in the prevention and treatment of neuropathic complications are discussed. As further options of pathogenetic ally oriented treatment, recent knowledge on benfotiamine and alpha-lipoic acid is comprehensively reviewed. Alpha-lipoic acid is a powerful antioxidant and clinical trials have proven its efficacy in ameliorating neuropathic signs and symptoms. Benfotiamine acts via the activation of transketolase and thereby inhibits alternative pathways triggered by uncontrolled glucose influx in the cells comprising polyol, hexosamine, protein-kinase-C pathways and formation of advanced glycation end products...
May 25, 2017: Minerva Medica
https://www.readbyqxmd.com/read/28538404/pregabalin-can-decrease-acute-pain-and-morphine-consumption-in-laparoscopic-cholecystectomy-patients-a-meta-analysis-of-randomized-controlled-trials
#3
Shijie Li, Junqiang Guo, Fangjun Li, Zhijia Yang, Shuai Wang, Changjiang Qin
BACKGROUND: Pregabalin has been used as an adjunct for the management of acute pain in laparoscopic cholecystectomy. This meta-analysis aimed to illustrate the efficacy and safety of pregabalin for pain management following laparoscopic cholecystectomy. METHODS: In March 2017, a systematic computer-based search was conducted in PubMed, EMBASE, Web of Science, Cochrane Database of Systematic Reviews, and Google databases. Data on patients prepared for laparoscopic cholecystectomy in studies that compared pregabalin versus placebo were retrieved...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28537441/characteristics-resource-utilization-and-safety-profile-of-patients-prescribed-with-neuropathic-pain-treatments-a-real-world-evidence-study-on-general-practices-in-europe
#4
Pablo Katz, Valeria Pegoraro, Hiltrud Liedgens
OBJECTIVES: To identify characteristics, resource utilization, and safety profile of patients prescribed with lidocaine 5% medicated plaster, pregabalin, gabapentin, amitriptyline and duloxetine when experiencing pain in the real-world setting of general practitioners (GPs) in Europe. METHODS: Retrospective analysis on real world data from IMS Health Longitudinal Patient Database. Patients with at least one prescription of the drugs of interest during 2014 were selected and those with a non-neuropathic pain-related diagnosis were excluded...
May 24, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28535116/is-mannitol-the-treatment-of-choice-for-patients-with-ciguatera-fish-poisoning
#5
Michael E Mullins, Robert S Hoffman
CONTEXT: Ciguatera fish poisoning arises primarily from consumption of carnivorous reef fish caught in tropical and sub-tropical waters. Ciguatoxins, a class of tasteless, heat-stable, polycyclic toxins produced by dinoflagellates, accumulate through the food chain and concentrate in various carnivorous fish, such as groupers, barracudas, wrasses, amberjack, kingfishes, and eels. Characteristics of ciguatera fish poisoning include early nausea, vomiting, and diarrhea in the first one to two days post ingestion, followed by the appearance of sensory disturbances...
May 23, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28529187/multiple-outcomes-and-analyses-in-clinical-trials-create-challenges-for-interpretation-and-research-synthesis
#6
Evan Mayo-Wilson, Nicole Fusco, Tianjing Li, Hwanhee Hong, Joe Canner, Kay Dickersin
OBJECTIVE: To identify variations in outcomes and results across public and non-public reports of randomized clinical trials (RCTs). STUDY DESIGN AND SETTING: Eligible RCTs examined gabapentin for neuropathic pain and quetiapine for bipolar depression, reported in public (e.g., journal articles) and non-public sources (e.g., clinical study reports) available by 2015. We recorded pre-specified outcome domains. We considered outcomes "defined" if they included the domain, measure, metric, method of aggregation, and time-point...
May 18, 2017: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/28527055/cluster-headache-present-and-future-therapy
#7
Massimo Leone, Alessandro Giustiniani, Alberto Proietti Cecchini
Cluster headache is characterized by severe, unilateral headache attacks of orbital, supraorbital or temporal pain lasting 15-180 min accompanied by ipsilateral lacrimation, rhinorrhea and other cranial autonomic manifestations. Cluster headache attacks need fast-acting abortive agents because the pain peaks very quickly; sumatriptan injection is the gold standard acute treatment. First-line preventative drugs include verapamil and carbolithium. Other drugs demonstrated effective in open trials include topiramate, valproic acid, gabapentin and others...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28525981/combination-of-gabapentin-and-ramosetron-for-the-prevention-of-postoperative-nausea-and-vomiting-after-gynecologic-laparoscopic-surgery-a-prospective-randomized-comparative-study
#8
Kyung Mi Kim, Jin Huh, Soo Kyung Lee, Eun Young Park, Jung Min Lee, Hyo Ju Kim
BACKGROUND: As a drug originally introduced for its anticonvulsant effects, gabapentin has been recently shown to be effective in the treatment of nausea and vomiting in various clinical settings. This study compared the antiemetic efficacy of oral gabapentin, intravenous ramosetron and gabapentin plus ramosetron in patients receiving fentanyl-based patient-controlled analgesia after laparoscopic gynecologic surgery. METHODS: One hundred and thirty two patients undergoing laparoscopic gynecologic surgery under general anesthesia were allocated randomly into three groups: group G received 300 mg oral gabapentin 1 h before anesthesia, group R received 0...
May 19, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28524911/cancer-related-acute-pain-a-systematic-review-of-evidence-based-interventions-for-putting-evidence-into-practice
#9
Thiruppavai Sundaramurthi, Natalie Gallagher, Bethany Sterling
BACKGROUND: Identifying and implementing evidence-based interventions for cancer-related acute pain can decrease adverse effects and improve quality of life. 
. OBJECTIVES: This article presents current evidence supporting interventions to reduce cancer-related acute pain. 
. METHODS: PubMed and CINAHL® databases were searched to identify studies addressing interventions to manage acute pain in patients with cancer. The interventions are categorized according to the Putting Evidence Into Practice classification schema...
June 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28514943/sex-differences-underlying-orofacial-varicella-zoster-associated-pain-in-rats
#10
Crystal Stinson, Mohong Deng, Michael B Yee, Larry L Bellinger, Paul R Kinchington, Phillip R Kramer
BACKGROUND: Most people are initially infected with varicella zoster virus (VZV) at a young age and this infection results in chickenpox. VZV then becomes latent and reactivates later in life resulting in herpes zoster (HZ) or "shingles". Often VZV infects neurons of the trigeminal ganglia to cause ocular problems, orofacial disease and occasionally a chronic pain condition termed post-herpetic neuralgia (PHN). To date, no model has been developed to study orofacial pain related to varicella zoster...
May 17, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28508174/preclinical-comparison-of-mechanistically-different-antiseizure-antinociceptive-and-or-antidepressant-drugs-in-a-battery-of-rodent-models-of-nociceptive-and-neuropathic-pain
#11
Misty D Smith, Jose H Woodhead, Laura J Handy, Timothy H Pruess, Fabiola Vanegas, Erin Grussendorf, Joel Grussendorf, Karen White, Karolina K Bulaj, Reisa K Krumin, Megan Hunt, Karen S Wilcox
The series of experiments herein evaluated prototype drugs representing different mechanisms of antiseizure, antinociceptive or antidepressant action in a battery of preclinical pain models in adult male CF#1 mice (formalin, writhing, and tail flick) and Sprague Dawley rats partial sciatic nerve ligation (PSNL). In the formalin assay, phenytoin (PHT, 6 mg/kg), sodium valproate (VPA, 300 mg/kg), amitriptyline (AMI, 7.5 and 15 mg/kg), gabapentin (GBP, 30 and 70 mg/kg), tiagabine (TGB, 5 and 15 mg/kg), and acetominophen (APAP, 250 and 500 mg/kg) reduced both phases of the formalin response to ≤ 25% of vehicle-treated mice...
May 15, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28503628/visceral-hyperalgesia-when-to-consider-gabapentin-use-in-neonates-case-study-and-review
#12
Joseph Asaro, Christine A Robinson, Philip T Levy
Visceral hyperalgesia refers to increased pain sensation in response to gastrointestinal sensory stimulus. In neonates with neurological impairments, gabapentin has been successfully used as a treatment for visceral hyperalgesia in neonates. The authors describe a preterm infant with myelomeningocele and persistent neuropathic pain that manifested as irritability, hypertonicity, poor weight gain, and feeding intolerance. After exclusion of other etiologies, the diagnosis of visceral hyperalgesia was suspected and the infant was treated with gabapentin...
January 2017: Child Neurol Open
https://www.readbyqxmd.com/read/28496986/a-case-of-stiff-dog-syndrome-associated-with-anti-glutamic-acid-decarboxylase-antibodies
#13
Theresa E Pancotto, John H Rossmeisl
BACKGROUND: The stiff person syndrome (SPS) is a rare and debilitating autoimmune disorder with an unknown pathogenesis and variable clinical presentation that can present a diagnostic challenge. Although entities that clinically mimic stiff-person spectrum disorders (SPSD) have manifested in horses, they have not been reported in dogs. CASE PRESENTATION: We describe a 2-year-old beagle dog presented for progressive attacks of muscular rigidity and lordosis with superimposed spasms of the appendicular muscles triggered by tactile stimulation which resulted in marked gait impairment...
2017: Journal of Clinical Movement Disorders
https://www.readbyqxmd.com/read/28493425/law-enforcement-derived-data-on-gabapentin-diversion-and-misuse-2002-2015-diversion-rates-and-qualitative-research-findings
#14
Mance E Buttram, Steven P Kurtz, Richard C Dart, Zachary R Margolin
PURPOSE: Recent limited epidemiologic and case reports suggest that gabapentin is being misused, especially among prescription opioid misusers. However, no apparent studies have reported data from law enforcement on the diversion and misuse of gabapentin. METHODS: Case report data are drawn from a quarterly survey of prescription drug diversion completed by a national sample of law enforcement and regulatory agencies who engage in drug diversion investigations. Rates of gabapentin diversion per 100 000 population were calculated for each quarter from 2002 through 2015...
May 10, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28493329/risk-to-heroin-users-of-polydrug-use-of-pregabalin-or-gabapentin
#15
Abigail Lyndon, Suzanne Audrey, Claudia Wells, Erica S Burnell, Suzanne Ingle, Rob Hill, Matthew Hickman, Graeme Henderson
AIM: To examine the risk to heroin users of also using gabapentin or pregabalin (gabapentoids). DESIGN: Multi-disciplinary study: we (a) examined trends in drug-related deaths and gabapentoid prescription data in England and Wales to test for evidence that any increase in deaths mentioning gabapentin or pregabalin is associated with trends in gabapentoid prescribing and is concomitant with opioid use; (b) interviewed people with a history of heroin use about their polydrug use involving gabapentin and pregabalin; and (c) studied the respiratory depressant effects of pregabalin in the absence and presence of morphine in mice to determine whether concomitant exposure increased the degree of respiratory depression observed...
May 10, 2017: Addiction
https://www.readbyqxmd.com/read/28490916/the-cannabis-withdrawal-syndrome-current-insights
#16
REVIEW
Udo Bonnet, Ulrich W Preuss
The cannabis withdrawal syndrome (CWS) is a criterion of cannabis use disorders (CUDs) (Diagnostic and Statistical Manual of Mental Disorders - Fifth Edition) and cannabis dependence (International Classification of Diseases [ICD]-10). Several lines of evidence from animal and human studies indicate that cessation from long-term and regular cannabis use precipitates a specific withdrawal syndrome with mainly mood and behavioral symptoms of light to moderate intensity, which can usually be treated in an outpatient setting...
2017: Substance Abuse and Rehabilitation
https://www.readbyqxmd.com/read/28490336/characteristics-of-l-citrulline-transport-through-blood-brain-barrier-in-the-brain-capillary-endothelial-cell-line-tr-bbb-cells
#17
Kyeong-Eun Lee, Young-Sook Kang
BACKGROUND: L-Citrulline is a neutral amino acid and a major precursor of L-arginine in the nitric oxide (NO) cycle. Recently it has been reported that L-citrulline prevents neuronal cell death and protects cerebrovascular injury, therefore, L-citrulline may have a neuroprotective effect to improve cerebrovascular dysfunction. Therefore, we aimed to clarify the brain transport mechanism of L-citrulline through blood-brain barrier (BBB) using the conditionally immortalized rat brain capillary endothelial cell line (TR-BBB cells), as an in vitro model of the BBB...
May 10, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28483280/stacking-cyclodextrin-microchip-electrokinetic-chromatographic-determination-of-gabapentinoid-drugs-in-pharmaceutical-and-biological-matrices
#18
Abdallah M Zeid, Noritada Kaji, Jenny Jeehan M Nasr, Fathalla F Belal, Yoshinobu Baba, Mohamed I Walash
A facile, rapid, and highly sensitive microchip-based electrokinetic chromatographic method was developed for the simultaneous analysis of two gabapentinoid drugs, gabapentin (GPN) and pregabalin (PGN). Both drugs were first reacted with 4-fluoro-7-nitro-2,1,3-benzoxadiazole (NBD-F) via nucleophilic substitution reactions to yield highly fluorescent products with λex/em 470/540nm. Analyses of both fluorescently labeled compounds were achieved within 200s in a poly(methyl methacrylate) (PMMA) microchip with a 30mm separation channel...
April 26, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28458040/temporal-and-spatial-dynamics-of-peripheral-afferent-evoked-activity-in-the-dorsal-horn-recorded-in-rat-spinal-cord-slices
#19
Fang Yu, Zhen-Yu Zhao, Ting He, Yao-Qing Yu, Zhen Li, Jun Chen
In the present study, multi-electrode array recording was used to examine dorsal horn activity following stimulation of primary afferents in a rat dorsal root attached-spinal cord slice preparation. The multi-electrode array probe was placed under the dorsal horn slice and local field potentials evoked by stimulation on the dorsal root were analyzed. Three kinds of dorsal root-evoked responses were identified. In lamina IIo, local field potentials exhibited P1 (peak latency 1.46±0.08ms), N1 (2.77±0.18ms, n=12), N2 (7...
May 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28452872/combination-therapy-of-levetiracetam-and-gabapentin-against-nonconvulsive-seizures-induced-by-penetrating-traumatic-brain-injury
#20
Xi-Chun M Lu, Ying Cao, Andrea Mountney, Zhilin Liao, Deborah A Shear, Frank C Tortella
BACKGROUND: Post-traumatic seizures are a medical problem affecting patients with traumatic brain injury. Yet effective treatment is lacking owing to the limitations of anti-epileptic drugs (AEDs) applicable to these patients. METHOD: In this study, we evaluated the dose-response efficacy of levetiracetam (12.5-100.0mg/kg) and gabapentin (1.25-25.0mg/kg) administered either individually or in pairs at fixed-dose ratios as a combination in mitigating post-traumatic nonconvulsive seizures induced by severe penetrating ballistic-like brain injury (PBBI) in rats...
April 27, 2017: Journal of Trauma and Acute Care Surgery
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