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https://www.readbyqxmd.com/read/29030575/adolescent-ethanol-exposure-enhances-nmda-receptor-mediated-currents-in-hippocampal-neurons-reversal-by-gabapentin
#1
H S Swartzwelder, Maeng-Hee Park, Shawn Acheson
Adolescent intermittent ethanol (AIE) exposure compromises neural function into adulthood. We have reported that astrocyte-secreted thrombospondins, and their target neuronal receptors (α2δ-1) are upregulated in the hippocampus in adulthood after AIE, suggesting aberrant excitatory synaptogenesis and hyperexcitability in memory-related circuits. Gabapentin antagonizes the interaction of thrombospondins (TSPs) with the α2δ-1 receptor, and thus may reverse or ameliorate the effects of AIE on hippocampal function...
October 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29027197/the-risk-of-stevens-johnson-syndrome-and-toxic-epidermal-necrolysis-in-new-users-of-antiepileptic-drugs
#2
Noel Frey, Michael Bodmer, Andreas Bircher, Stephan Rüegg, Susan S Jick, Christoph R Meier, Julia Spoendlin
OBJECTIVE: Older antiepileptic drugs (AEDs) are known to cause Stevens-Johnson syndrome and toxic epidermal necrolysis (SJS/TEN). However, evidence for newer AED is sparse. We quantified risks of SJS/TEN in association with use of all AEDs in the United Kingdom. METHODS: In a matched case-control study of 480 previously validated SJS/TEN cases (1995-2013) we used conditional logistic regression to calculate odds ratios (ORs) with 95% confidence intervals (CIs), and calculated absolute risks of SJS/TEN within separate cohorts of new users of 28 AEDs...
October 13, 2017: Epilepsia
https://www.readbyqxmd.com/read/29023146/is-there-a-role-for-combined-use-of-gabapentin-and-pregabalin-in-pain-control-too-good-to-be-true
#3
Helen Senderovich, Geetha Jeyapragasan
Gabapentin (Neurontin) and Pregabalin (Lyrica) are first and second-generation α2δ [1,2] ligands, respectively, and are both approved for use as adjunctive therapy in pain control. Although they do not bind to gamma-aminobutyric acid (GABA) receptors they have been successfully used to treat neuropathic pain conditions. Their mechanism of action is not yet fully understood, but research has demonstrated promising results. Despite their similarities, they have been used in combination in both clinical and research situations, and have been noted to have a synergistic effect in pain control without concern for clinically significant pharmacokinetic interactions...
October 12, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/29018999/population-pharmacokinetics-of-gabapentin-in-healthy-korean-subjects-with-influence-of-genetic-polymorphisms-of-abcb1
#4
Phuong Tran, Hee-Doo Yoo, Lien Ngo, Hea-Young Cho, Yong-Bok Lee
The objective of this study was to perform population pharmacokinetic (PK) analysis of gabapentin in healthy Korean subjects and to investigate the possible effect of genetic polymorphisms (1236C > T, 2677G > T/A, and 3435C > T) of ABCB1 gene on PK parameters of gabapentin. Data were collected from bioequivalence studies, in which 173 subjects orally received three different doses of gabapentin (300, 400, and 800 mg). Only data from reference formulation were used. Population pharmacokinetics (PKs) of gabapentin was estimated using a nonlinear mixed-effects model (NONMEM)...
October 10, 2017: Journal of Pharmacokinetics and Pharmacodynamics
https://www.readbyqxmd.com/read/29018367/treatment-of-comorbid-alcohol-dependence-and-anxiety-disorder-review-of-the-scientific-evidence-and-recommendations-for-treatment
#5
REVIEW
Carmen Gimeno, Marisa Luisa Dorado, Carlos Roncero, Nestor Szerman, Pablo Vega, Vicent Balanzá-Martínez, F Javier Alvarez
Patients with alcohol-use disorders (AUDs) have a high prevalence of anxiety disorders (AnxDs). "Co-occurring disorders" refers to the coexistence of an AUD and/or drug related disorders with another non-addictive psychiatric disorder. The aim of this study was to assess the effectiveness of psychopharmacological treatments and psychotherapy in patients with AUD and AnxD and to propose recommendations for the treatment of patients with comorbid AnxDs and AUDs. Randomized clinical trials, meta-analyses, and clinical guidelines were retrieved from PubMed, Embase, and Cochrane databases...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29016927/clinical-use-of-pregabalin-in-general-practice-in-catalonia-spain-a-population-based-cross-sectional-study
#6
Montserrat Viñas-Bastart, Míriam Oms-Arias, Àfrica Pedraza-Gutiérrez, Irene Lizano-Díez, Pilar Modamio, Eduardo L Mariño
Objective: The aim of this study was to determine the pattern of use of pregabalin and the appropriateness of treatment, so that interventions could be designed to improve various clinical approaches to the use of pregabalin to include unlicensed indications. Design: A descriptive, cross-sectional, multicenter study was performed between April 2014 and January 2015. Setting: Fifty-three primary health care centers covering 1,250,000 inhabitants...
July 17, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28991361/withdrawn-anticonvulsants-for-fibromyalgia
#7
REVIEW
Nurcan Üçeyler, Claudia Sommer, Brian Walitt, Winfried Häuser
BACKGROUND: Fibromyalgia (FM) is a clinically well-defined chronic condition of unknown aetiology characterised by chronic widespread pain that often co-exists with sleep problems and fatigue. People often report high disability levels and poor health-related quality of life (HRQoL). Drug therapy focuses on reducing key symptoms and disability, and improving HRQoL. Anticonvulsants (antiepileptic drugs) are drugs frequently used for the treatment of chronic pain syndromes. OBJECTIVES: To assess the benefits and harms of anticonvulsants for treating FM symptoms...
October 9, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28988943/how-addictive-are-gabapentin-and-pregabalin-a-systematic-review
#8
REVIEW
U Bonnet, N Scherbaum
In the last ten years, gabapentin and pregabalin have been becoming dispensed broadly and sold on black markets, thereby, exposing millions to potential side-effects. Meanwhile, several pharmacovigilance-databases have warned for potential abuse liabilities and overdose fatalities in association with both gabapentinoids. To evaluate their addiction risk in more detail, we conducted a systematic review on PubMed/Scopus and included 106 studies. We did not find convincing evidence of a vigorous addictive power of gabapentinoids which is primarily suggested from their limited rewarding properties, marginal notes on relapses, and the very few cases with gabapentinoid-related behavioral dependence symptoms (ICD-10) in patients without a prior abuse history (N=4)...
October 5, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28985090/policies-to-mitigate-nonmedical-use-of-prescription-medications-how-should-emerging-evidence-of-gabapentin-misuse-be-addressed
#9
Alyssa M Peckham, Kathleen A Fairman, David A Sclar
Over the past decade, increased prescription supply has facilitated an epidemic of nonmedical use of controlled substances, including predominantly opioids, as well as benzodiazepines, z-hypnotics, and stimulants. Areas covered: More recently, misuse of noncontrolled prescriptions, such as gabapentin, has been detected. Gabapentin misuse has been associated with drug-related harm and increased healthcare service utilization in a few studies, including a recent large-sample analysis of commercially insured enrollees in the United States (U...
October 6, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28981586/gabapentin-prevents-progressive-increases-in-excitatory-connectivity-and-epileptogenesis-following-neocortical-trauma
#10
D K Takahashi, Sha Jin, D A Prince
Neocortical injury initiates a cascade of events, some of which result in maladaptive epileptogenic reorganization of surviving neural circuits. Research focused on molecular and organizational changes that occur following trauma may reveal processes that underlie human post-traumatic epilepsy (PTE), a common and unfortunate consequence of traumatic brain injury. The latency between injury and development of PTE provides an opportunity for prophylactic intervention, once the key underlying mechanisms are understood...
June 26, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28972983/gabapentin-opioids-and-the-risk-of-opioid-related-death-a-population-based-nested-case-control-study
#11
Tara Gomes, David N Juurlink, Tony Antoniou, Muhammad M Mamdani, J Michael Paterson, Wim van den Brink
BACKGROUND: Prescription opioid use is highly associated with risk of opioid-related death, with 1 of every 550 chronic opioid users dying within approximately 2.5 years of their first opioid prescription. Although gabapentin is widely perceived as safe, drug-induced respiratory depression has been described when gabapentin is used alone or in combination with other medications. Because gabapentin and opioids are both commonly prescribed for pain, the likelihood of co-prescription is high...
October 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28963716/the-monoacylglycerol-lipase-inhibitor-kml29-with-gabapentin-synergistically-produces-analgesia-in-mice
#12
Molly S Crowe, Catheryn D Wilson, Emma Leishman, Paul L Prather, Heather B Bradshaw, Matthew L Banks, Steven G Kinsey
BACKGROUND AND PURPOSE: Gabapentin (GBP) is commonly prescribed for nerve pain but may also cause dizziness, sedation, and gait disturbances. Similarly, inhibition of the endogenous cannabinoid enzyme monoacylglycerol lipase (MAGL) has antinociceptive and anti-inflammatory properties, but also induces sedation in mice at high doses. To limit these side effects, the present study investigated the analgesic effects of coadministering a MAGL inhibitor with GBP. EXPERIMENTAL APPROACH: Mice subjected to the chronic constriction injury (CCI) model of neuropathic pain were administered the MAGL inhibitor KML29 (1-40 mg kg(-1) , i...
September 29, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28962077/the-flavonoid-6-methoxyflavone-allays-cisplatin-induced-neuropathic-allodynia-and-hypoalgesia
#13
Muhammad Shahid, Fazal Subhan, Nisar Ahmad, Robert D E Sewell
Chemotherapy-induced peripheral neuropathy (CIPN) is a major dose limiting side-effect of several commonly used chemotherapeutic agents (such as cisplatin) that profoundly impairs patient quality of life. Unfortunately, neither prophylactic strategies nor symptomatic treatments have proven useful in this condition. Flavonoids are found ubiquitously in fruits and vegetables and exert a multiplicity of beneficial effects. In this study, the antinociceptive activity of 6-methoxyflavone (6-MF) was investigated and evaluated in comparison with gabapentin in a rat model of CIPN...
September 25, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28958741/sweet-syndrome-caused-by-sensitization-to-gabapentin
#14
Patricia Rojas-Pérez-Ezquerra, Blanca Noguerado-Mellado, Mercedes Sáenz de Santamaría García, Dasha Roa-Medellín, Ignacio Hernández-Aragüés, José Manuel Zubeldia Ortuño
No abstract text is available yet for this article.
September 22, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28957723/behavioral-effects-of-antiepileptic-drugs-in-rats-are-the-effects-on-mood-and-behavior-detectable-in-open-field-test
#15
Eva Zimcikova, Julius Simko, Iva Karesova, Jan Kremlacek, Jana Malakova
PURPOSE: Behavioral side effects of antiepileptic drugs (AEDs) are common including both positive and negative effects on mood, anxiety, depression, and psychosis. We aimed to evaluate behavioral patterns in rats after administration of lamotrigine, levetiracetam, phenytoin, topiramate, carbamazepine, gabapentin, pregabalin, and zonisamide. METHODS: The open-field test was performed and locomotion, rearing, grooming, central latency and defecation were recorded over a 5min interval for each rat (8 rats in each group receiving AED and 16 controls)...
September 20, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28956286/all-cause-and-drug-related-medical-events-associated-with-overuse-of-gabapentin-and-or-opioid-medications-a-retrospective-cohort-analysis-of-a-commercially-insured-us-population
#16
Alyssa M Peckham, Kathleen A Fairman, David A Sclar
INTRODUCTION: Overuse of gabapentin and/or opioids occurs in a small percentage of patients at > 3-fold labeled dosages. Gabapentin may potentiate opioid effects. OBJECTIVE: The aim was to assess patient harm, defined as use of inpatient hospital (IPH) or emergency department (ED) services, associated with overuse of gabapentin with or without concomitant overuse of opioids. DATA SOURCE: Data were sourced from the Truven Health MarketScan(®) Commercial Claims and Encounters database, for the years 2013-2015...
September 27, 2017: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
https://www.readbyqxmd.com/read/28954970/effectiveness-of-levodopa-treatment-for-diabetic-chorea-with-reduced-striatal-accumulation-in-dopamine-transporter-spect-a-case-report
#17
Katsunori Yokoi, Tomoyuki Kazuta, Ryouta Torii, Toshihiro Endo, Amane Araki, Shinichi Terao
We report the case of a 77-year-old woman with diabetic chorea, which presented as hemiballism of the right limbs. Initial blood examination revealed that sugar and hemoglobin A1c levels were 732 mg/dl and 12.2%, respectively. Thus, a diagnosis of hyperglycemic hyperosmolar syndrome was made at a previous hospital. Ballism of the right limbs developed after 10 days and progressively worsened. After a month, the patient was admitted to our hospital. Brain MRI (axial T1-weighted imaging) revealed a high-signal-intensity area in the left striatum...
September 28, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/28953973/macroglia-derived-thrombospondin-2-regulates-alterations-of-presynaptic-proteins-of-retinal-neurons-following-elevated-hydrostatic-pressure
#18
Shuchao Wang, Tu Hu, Zhen Wang, Na Li, Lihong Zhou, Lvshuang Liao, Mi Wang, Libin Liao, Hui Wang, Leping Zeng, Chunling Fan, Hongkang Zhou, Kun Xiong, Jufang Huang, Dan Chen
Many studies on retinal injury and repair following elevated intraocular pressure suggest that the survival ratio of retinal neurons has been improved by various measures. However, the visual function recovery is far lower than expected. The homeostasis of retinal synapses in the visual signal pathway is the key structural basis for the delivery of visual signals. Our previous studies found that complicated changes in the synaptic structure between retinal neurons occurred much earlier than obvious degeneration of retinal ganglion cells in rat retinae...
2017: PloS One
https://www.readbyqxmd.com/read/28953472/laboratory-and-full-scale-studies-on-the-removal-of-pharmaceuticals-in-an-aerated-constructed-wetland-effects-of-aeration-and-hydraulic-retention-time-on-the-removal-efficiency-and-assessment-of-the-aquatic-risk
#19
Hannele Auvinen, Wilhelm Gebhardt, Volker Linnemann, Gijs Du Laing, Diederik P L Rousseau
Pharmaceutical residues in wastewater pose a challenge to wastewater treatment technologies. Constructed wetlands (CWs) are common wastewater treatment systems in rural areas and they discharge often in small water courses in which the ecology can be adversely affected by the discharged pharmaceuticals. Hence, there is a need for studies aiming to improve the removal of pharmaceuticals in CWs. In this study, the performance of a full-scale aerated sub-surface flow hybrid CW treating wastewater from a healthcare facility was studied in terms of common water parameters and pharmaceutical removal...
September 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28953050/repeated-administration-of-amitriptyline-in-neuropathic-pain-modulation-of-the-noradrenergic-descending-inhibitory-system
#20
Tadanao Hiroki, Takashi Suto, Shigeru Saito, Hideaki Obata
BACKGROUND: The tricyclic antidepressant amitriptyline, the serotonin and noradrenaline reuptake inhibitor duloxetine, and gabapentinoids are first-line drugs for treatment of neuropathic pain. The analgesic effect of these drugs relates to brainstem-spinal descending noradrenergic systems. However, amitriptyline utilizes a variety of mechanisms for analgesia in neuropathic pain, and it is unclear which mechanism is most important. In the present study, we investigated the role of descending noradrenergic systems in the analgesic effect of these drugs for treatment of neuropathic pain...
August 4, 2017: Anesthesia and Analgesia
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