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https://www.readbyqxmd.com/read/28090682/pituitary-macrotumor-causing-narcolepsy-cataplexy-in-a-dachshund
#1
S Schmid, A Hodshon, S Olin, I Pfeiffer, S Hecht
Familial narcolepsy secondary to breed-specific mutations in the hypocretin receptor 2 gene and sporadic narcolepsy associated with hypocretin ligand deficiencies occur in dogs. In this report, a pituitary mass is described as a unique cause of narcolepsy-cataplexy in a dog. A 6-year-old male neutered Dachshund had presented for acute onset of feeding-induced cataplexy and was found to have a pituitary macrotumor on magnetic resonance imaging (MRI). Cerebral spinal fluid hypocretin-1 levels were normal, indicating that tumor effect on the ventral lateral nucleus of the hypothalamus was not the cause of the dog's narcolepsy-cataplexy...
January 15, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28087755/%C3%A2-pitolisant-for-narcolepsy
#2
(no author information available yet)
▼Pitolisant (Wakix-Bioprojet Pharma) is a new treatment for adults with narcolepsy with or without cataplexy. It was licensed for use in the EU in March last year and has orphan drug status.(1) Here, we consider the evidence for pitolisant for the treatment of narcolepsy in adults and how it fits with current management strategies.
January 2017: Drug and Therapeutics Bulletin
https://www.readbyqxmd.com/read/28065388/a-systematic-review-of-cognitive-function-and-psychosocial-well-being-in-school-age-children-with-narcolepsy
#3
REVIEW
Jane E Blackwell, Hetaf A Alammar, Anna R Weighall, Ian Kellar, Hannah M Nash
In August 2010, concerns were raised about an increase in the incidence rate of narcolepsy diagnosis in children and adolescents. Narcolepsy is a chronic neurological sleep disorder characterised by excessive daytime sleepiness and attacks of muscle weakness which are often precipitated by strong emotions, known as cataplexy. We systematically examined and updated the scientific literature on the consequences of narcolepsy on cognitive function and psychosocial well-being in school-age children. Eight studies published between 2005 and 2015 were eligible for inclusion in this review...
July 18, 2016: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/27997037/descending-projections-from-the-basal-forebrain-to-the-orexin-neurons-in-mice
#4
Lindsay J Agostinelli, Loris L Ferrari, Carrie E Mahoney, Takatoshi Mochizuki, Bradford B Lowell, Elda Arrigoni, Thomas E Scammell
The orexin (hypocretin) neurons play an essential role in promoting arousal, and loss of the orexin neurons results in narcolepsy, a condition characterized by chronic sleepiness and cataplexy. The orexin neurons excite wake-promoting neurons in the basal forebrain (BF), and a reciprocal projection from the BF back to the orexin neurons may help promote arousal and motivation. The BF contains at least three different cell types (cholinergic, glutamatergic, and GABAergic neurons) across its different regions (medial septum, diagonal band, magnocellular preoptic area, and substantia innominata)...
December 20, 2016: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/27994353/diagnosis-and-management-of-narcolepsy-in-the-indian-scenario
#5
Sachin Sureshbabu, Abdul Muniem, Manvir Bhatia
INTRODUCTION: The diagnosis and management of narcolepsy in the Indian context needs to be revisited especially in the wake of concerns raised by sleep medicine experts that the entity could be formidably underdiagnosed, as well as undertreated in our setting. MATERIALS AND METHODS: The history, clinical records, polysomnographic/multiple sleep latency test data, and treatment records of five hundred consecutive patients attending a dedicated sleep clinic between the years 2013 and 2016 were retrospectively analyzed...
October 2016: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/27965038/increased-anxiety-but-normal-fear-and-safety-learning-in-orexin-deficient-mice
#6
Radwa Khalil, Markus Fendt
The loss of orexin neurons in humans leads to the disease narcolepsy, characterized by daytime sleepiness and cataplexy. Recent data suggest that orexin is also involved in emotional processing. The goal of the present study was to evaluate fear and safety learning as well as unconditioned fear (anxiety) in orexin-deficient animals. Orexin-deficient mice are an established animal model used to investigate the neuropathology and potential treatments for narcolepsy. Here, we present novel data showing that orexin-deficient mice express increased anxiety in the open field, light-dark box test and carnivore odor-induced avoidance, but are normal in fear and safety learning...
December 10, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27928184/ismp-adverse-drug-reactions-chronic-marijuana-use-associated-with-recurrent-diabetic-ketoacidosis-lamotrigine-induced-cataplexy-trimethoprim-sulfamethoxazole-induced-hyponatremia-ziprasidone-induced-sleepwalking-and-sleep-related-eating-metabolic-acidosis-associated
#7
Michael A Mancano
The purpose of this feature is to heighten awareness of specific adverse drug reactions (ADRs), discuss methods of prevention, and promote reporting of ADRs to the US Food and Drug Administration's (FDA's) MedWatch program (800-FDA-1088). If you have reported an interesting, preventable ADR to MedWatch, please consider sharing the account with our readers. Write to Dr. Mancano at ISMP, 200 Lakeside Drive, Suite 200, Horsham, PA 19044 (phone: 215-707-4936; e-mail: mmancano@temple.edu). Your report will be published anonymously unless otherwise requested...
November 2016: Hospital Pharmacy
https://www.readbyqxmd.com/read/27923434/listening-to-the-patient-voice-in-narcolepsy-diagnostic-delay-disease-burden-and-treatment-efficacy
#8
Kiran Maski, Erin Steinhart, David Williams, Thomas Scammell, Julie Flygare, Kimberly McCleary, Monica Gow
STUDY OBJECTIVES: Describe common symptoms, comorbidities, functional limitations, and treatment responsiveness among patients with narcolepsy. Investigate the effect of pediatric onset of narcolepsy symptoms on time to diagnosis of narcolepsy and presence of comorbid depression. METHODS: Cross-sectional survey of 1,699 people in the United States with self-reported diagnosis of narcolepsy. We utilized mixed-methods data analyses to report study findings. RESULTS: Most participants reported receiving a diagnosis of narcolepsy more than 1 y after symptom onset...
November 28, 2016: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/27920540/treatment-cost-of-narcolepsy-with-cataplexy-in-central-europe
#9
Petra Maresova, Michal Novotny, Blanka Klímová, Kamil Kuča
BACKGROUND: Narcolepsy is a lifelong, rare neurological sleep disorder characterized by chronic, excessive attacks of daytime sleepiness. This disease is often extremely incapacitating, interfering with every aspect of life, in work and social settings. OBJECTIVE: The purpose of this study is to specify the treatment costs of patients in Central Europe (Czech Republic), while the attention is mainly paid to the drugs that were fully or partially covered by public health insurance...
2016: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/27919403/trace-amine-associated-receptor-1-agonists-as-narcolepsy-therapeutics
#10
Sarah W Black, Michael D Schwartz, Tsui-Ming Chen, Marius C Hoener, Thomas S Kilduff
BACKGROUND: Narcolepsy, a disorder of rapid eye movement (REM) sleep, is characterized by excessive daytime sleepiness and cataplexy, a loss of muscle tone triggered by emotional stimulation. Current narcolepsy pharmacotherapeutics include controlled substances with abuse potential or drugs with undesirable side effects. As partial agonists at trace amine-associated receptor 1 (TAAR1) promote wakefulness in mice and rats, we evaluated whether TAAR1 agonism had beneficial effects in two mouse models of narcolepsy...
October 18, 2016: Biological Psychiatry
https://www.readbyqxmd.com/read/27909987/orexin-ox2-receptor-antagonists-as-sleep-aids
#11
Laura H Jacobson, Sui Chen, Sanjida Mir, Daniel Hoyer
The discovery of the orexin system represents the single major progress in the sleep field of the last three to four decades. The two orexin peptides and their two receptors play a major role in arousal and sleep/wake cycles. Defects in the orexin system lead to narcolepsy with cataplexy in humans and dogs and can be experimentally reproduced in rodents. At least six orexin receptor antagonists have reached Phase II or Phase III clinical trials in insomnia, five of which are dual orexin receptor antagonists (DORAs) that target both OX1 and OX2 receptors (OX2Rs)...
December 2, 2016: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/27900773/systematic-review-of-immunoglobulin-use-in-paediatric-neurological-and-neurodevelopmental-disorders
#12
REVIEW
Jonathan Gadian, Emma Kirk, Kate Holliday, Ming Lim, Michael Absoud
AIM: A systematic literature review of intravenous immunoglobulin (IVIG) treatment of paediatric neurological conditions was performed to summarize the evidence, provide recommendations, and suggest future research. METHOD: A MEDLINE search for articles reporting on IVIG treatment of paediatric neuroinflammatory, neurodevelopmental, and neurodegenerative conditions published before September 2015, excluding single case reports and those not in English. Owing to heterogeneous outcome measures, meta-analysis was not possible...
February 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/27865546/french-consensus-management-of-patients-with-hypersomnia-which-strategy
#13
R Lopez, I Arnulf, X Drouot, M Lecendreux, Y Dauvilliers
Central hypersomnias principally involves type 1 narcolepsy (NT1), type 2 narcolepsy (NT2) and idiopathic hypersomnia (IH). Despite great progress made in understanding the physiopathology of NT1 with low cerebrospinal fluid hypocretin-1 levels, current treatment remains symptomatic. The same applies to NT2 and IH, for which the physiopathology is still largely unknown. Controlling excessive daytime sleepiness (EDS), cataplexy, hypnagogic hallucinations, sleep paralysis and disturbed night-time sleep are key therapeutic targets in NT1...
November 16, 2016: Revue Neurologique
https://www.readbyqxmd.com/read/27857041/narcolepsy-with-cataplexy-in-a-child-with-charcot-marie-tooth-disease-case-report
#14
Feixia Zheng, Shuang Wang
We report an 8-year-old boy diagnosed with both CMT1 and narcolepsy, which were not reported simultaneously presenting in one person. The boy presented with a history of increased suddenly falling frequency and excessive daytime sleepiness for 3 months. CMT1 was diagnosed by electrophysiology and genetic testing. Narcolepsy had not been diagnosed until the frequently falling caused by sudden and transient episodes of legs weakness triggered by emotion was found. Multiple sleep latency test showed multiple sleep onset REM periods with reduced sleep latency...
September 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/27855749/nocturnal-dynamics-of-sleep-wake-transitions-in-patients-with-narcolepsy
#15
Xiaozhe Zhang, Jan W Kantelhardt, Xiao Song Dong, Dagmar Krefting, Jing Li, Han Yan, Frank Pillmann, Ingo Fietze, Thomas Penzel, Long Zhao, Fang Han
STUDY OBJECTIVES: We investigate how characteristics of sleep-wake dynamics in humans are modified by narcolepsy, a clinical condition that is supposed to destabilize sleep-wake regulation. Subjects with and without cataplexy are considered separately. Differences in sleep scoring habits as a possible confounder have been examined. METHODS: Four groups of subjects are considered: narcolepsy patients from China with (n=88) and without (n=15) cataplexy, healthy controls from China (n=110) and from Europe (n=187, two nights each)...
November 14, 2016: Sleep
https://www.readbyqxmd.com/read/27810190/age-related-differences-in-sleep-dependent-consolidation-of-motor-skills-in-patients-with-narcolepsy-type-1
#16
M Mazzetti, C Bellucci, C Cipolli, F Pizza, P M Russo, G Tuozzi, S Vandi, G Plazzi
OBJECTIVE: The influence of post-training sleep on the consolidation process of procedural (ie, visual and motor) knowledge has shown to be less effective in patients with chronic sleep disorders compared with healthy subjects. To ascertain whether the influence of the altered architecture of sleep in patients with narcolepsy type 1 (ie, with cataplexy: NT1) also varies with age, we compared the performance values of 16 children (aged from nine to 14 years) and 16 adults (aged from 24 to 51 years) on finger tapping task (FTT) after daytime and nighttime periods of sleep in the 24 hours following training...
August 2016: Sleep Medicine
https://www.readbyqxmd.com/read/27810187/impact-of-sodium-oxybate-modafinil-and-combination-treatment-on-excessive-daytime-sleepiness-in-patients-who-have-narcolepsy-with-or-without-cataplexy
#17
Jed Black, Todd Swick, Richard Bogan, Chinglin Lai, Lawrence P Carter
BACKGROUND: Effects of sodium oxybate (SXB) on patients with narcolepsy with cataplexy (NC) or without cataplexy (NWOC) have not been separately evaluated in clinical trials. METHODS: Retrospective analysis evaluated data from a phase 3, randomized, placebo-controlled trial of SXB, modafinil, and SXB + modafinil versus placebo in adult NC patients (n = 95) or NWOC patients (n = 127). NC patients were identified based on medical history, concomitant medications, and sleep-onset REM periods on nocturnal polysomnography...
August 2016: Sleep Medicine
https://www.readbyqxmd.com/read/27810179/diurnal-and-nocturnal-cardiovascular-variability-and-heart-rate-arousal-response-in-idiopathic-hypersomnia
#18
Emilia Sforza, Frédéric Roche, Jean Claude Barthélémy, Vincent Pichot
OBJECTIVES: Autonomic nervous system dysfunction has been described in narcolepsy with cataplexy affecting sympathetic functions. In this study we analyzed whether altered diurnal and nocturnal cardiovascular control is present in idiopathic hypersomnia (IH). METHODS: Fourteen drug-free patients aged 26.2 ± 7 years and 14 age-matched controls were examined. Clinical data, 24-h polysomnography, heart rate (HR) variability, and the HR response to spontaneous arousal were available...
August 2016: Sleep Medicine
https://www.readbyqxmd.com/read/27807903/effect-of-sodium-oxybate-on-disrupted-nighttime-sleep-in-patients-with-narcolepsy
#19
Thomas Roth, Yves Dauvilliers, Diane Guinta, Sarah Alvarez-Horine, Efim Dynin, Jed Black
This post hoc analysis evaluated the dose-related effects of sodium oxybate on sleep continuity and nocturnal sleep quality in patients with narcolepsy-cataplexy. Polysomnography data, including shifts to Stage N1/Wake, were from a randomized, placebo-controlled trial of sodium oxybate. Patients were ≥16 years old with a diagnosis of narcolepsy including symptoms of cataplexy and excessive daytime sleepiness. Treatment was for 8 weeks with placebo or sodium oxybate 4.5, 6 or 9 g administered as two equally divided nightly doses...
November 3, 2016: Journal of Sleep Research
https://www.readbyqxmd.com/read/27668524/smoking-prevalence-and-its-clinical-correlations-in-patients-with-narcolepsy-cataplexy
#20
Pavla Peřinová, Eva Feketeová, David Kemlink, Petra Kovalská, Karolína Chlebušová, Jiří Nepožitek, Veronika Ibarburu, Eva Králíková, Soňa Nevšímalová, Karel Šonka
Narcolepsy-cataplexy (NC) is a chronic neurological disease with suggested autoimmune etiopathogenesis. Nicotine stimulates central nervous system and smoking increases the risk of autoimmune diseases. Assessment of smoking habits and its correlation to clinical parameters among 87 adult NC patients (38 male, 49 female) included night polysomnography and multiple sleep latency test. In our sample, 43.7% NC patients were regular smokers, and 19.5% former smokers compared to 22.2%, and 12.6%, respectively, in the general population...
2016: Prague Medical Report
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