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https://www.readbyqxmd.com/read/29145290/effective-treatment-of-narcolepsy-like-symptoms-with-high-frequency-repetitive-transcranial-magnetic-stimulation-a-case-report
#1
Jian-Bo Lai, Mao-Mao Han, Yi Xu, Shao-Hua Hu
RATIONALE: Narcolepsy is a rare sleep disorder with disrupted sleep-architecture. Clinical management of narcolepsy lies dominantly on symptom-driven pharmacotherapy. The treatment role of repetitive transcranial magnetic stimulation (rTMS) for narcolepsy remains unexplored. PATIENT CONCERNS: In this paper, we present a case of a 14-year-old young girl with excessive daytime sleepiness (EDS), cataplexy and hypnagogic hallucinations. DIAGNOSES: After excluding other possible medical conditions, this patient was primarily diagnosed with narcolepsy...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145189/rem-sleep-behavior-disorder
#2
Claudio L Bassetti, Panagiotis Bargiotas
Rapid eye movement sleep behavior disorder (RBD) is a brain disorder, characterized by the dream enactment during rapid eye movement (REM) sleep due to a lack of physiologic muscle atonia and increased muscle twitching. Schenk was the first to describe this disorder in 1986; however, few authors reported in the 1970-1980s loss of physiological muscle atonia combined with dream enactment in the course of brainstem disorders and as a consequence of alcoholism and antidepressant treatment. RBD affects less than 1% of the adult population, but can be found in up to 25-50% of neurodegenerative disorders including Parkinson's disease, multisystem atrophy, and dementia with Lewy body...
2018: Frontiers of Neurology and Neuroscience
https://www.readbyqxmd.com/read/29117887/correlates-to-problem-behaviors-in-pediatric-narcolepsy-a-pilot-study
#3
Althea Robinson Shelton, Beth Malow
STUDY OBJECTIVE: Excessive daytime sleepiness, the hallmark of narcolepsy, predisposes patients to serious performance decrements in multiple areas of function. Psychosocial dysfunction has been demonstrated in adults and children with narcolepsy. Several factors could influence psychosocial functioning in children. The objective of this study was to examine neurobehavioral problems in children with narcolepsy and to define associations with these problem behaviors. METHODS: A cross-sectional study was performed where the Child Behavior Checklist (CBCL) was completed by guardians of children (age 18 years or younger) in whom narcolepsy with or without cataplexy was diagnosed (based on the International Classification of Sleep Disorders, Second Edition) between July 2008 and October 2014...
November 1, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/29117886/a-longitudinal-follow-up-study-on-multiple-sleep-latency-test-and-body-mass-index-of-patients-with-narcolepsy-type-1-in-korea
#4
Yoo Hyun Um, Tae-Won Kim, Jong-Hyun Jeong, Ho-Jun Seo, Jin-Hee Han, Sung-Min Kim, Ji Hyun Song, Seung-Chul Hong
STUDY OBJECTIVES: Narcolepsy is a chronic disorder with numerous adverse long-term consequences including increased obesity, high mortality rates, and decreased quality of life. With emerging attention to the long-term course of the disorder and importance of accurate diagnosis, the diagnostic stability of the Multiple Sleep Latency Test (MSLT)-the mostly frequently used test to identify narcolepsy-is often challenged. METHODS: In this study, we compared the baseline and follow-up demographic characteristics and body mass index (BMI) of patients with narcolepsy type 1...
November 1, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/29116485/prevalence-risk-factors-and-response-to-treatment-for-hypersomnia-of-central-origin-in-survivors-of-childhood-brain-tumors
#5
Raja B Khan, Thomas E Merchant, Zsila S Sadighi, Mercedes S Bello, Zhaohua Lu, April Sykes, Merrill S Wise, Valerie M Crabtree, Jennifer Zabrowski, Andrea Simmons, Mary E Clark, Belinda N Mandrell
Daytime sleepiness is recognized in childhood brain tumor survivors. Our objective was to determine prevalence, risk factors for PSG/MLST proven hypersomnia/narcolepsy, and response to stimulants in childhood brain tumor survivors. Standard PSG/MSLT criteria were used to diagnose hypersomnia/narcolepsy. Medical records of brain tumor survivors having undergone a PSG/MSLT were reviewed for the diagnostic code of hypersomnia/narcolepsy. Survivors with hypersomnia/narcolepsy were matched with 2-3 survivors without reported hypersomnia/narcolepsy by age at tumor diagnosis, gender, and time from tumor diagnosis...
November 8, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29115823/an-overview-of-the-clinical-uses-pharmacology-and-safety-of-modafinil
#6
Eric Murillo-Rodriguez, André Barciela Veras, Nuno Barbosa Rocha, Henning Budde, Sérgio Machado
Modafinil (MOD) is a drug used for the management of excessive daytime sleepiness observed in several sleep disturbances such as shift work sleep disorder, obstructive sleep apnea, restless leg syndrome and narcolepsy. Additionally, a wide scope of medical uses of MOD have been described such as fatigue in subjects with depression as well as patients under chemotherapy. Moreover, there also appear to be a cognitive enhancer drug. In contrast, recent reports have indicated the risk of developing addiction to MOD...
November 8, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/29114733/sodium-oxybate-for-excessive-daytime-sleepiness-and-sleep-disturbance-in-parkinson-disease-a-randomized-clinical-trial
#7
Fabian Büchele, Marc Hackius, Sebastian R Schreglmann, Wolfgang Omlor, Esther Werth, Angelina Maric, Lukas L Imbach, Stefan Hägele-Link, Daniel Waldvogel, Christian R Baumann
Importance: Sleep-wake disorders are a common and debilitating nonmotor manifestation of Parkinson disease (PD), but treatment options are scarce. Objective: To determine whether nocturnal administration of sodium oxybate, a first-line treatment in narcolepsy, is effective and safe for excessive daytime sleepiness (EDS) and disturbed nighttime sleep in patients with PD. Design, Setting, and Participants: Randomized, double-blind, placebo-controlled, crossover phase 2a study carried out between January 9, 2015, and February 24, 2017...
November 6, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29108652/psychosis-in-a-22-year-old-woman-with-narcolepsy-after-restarting-sodium-oxybate
#8
Patrick J Buckley, Chelsea T Wolf
No abstract text is available yet for this article.
October 10, 2017: Psychosomatics
https://www.readbyqxmd.com/read/29099966/test-retest-reliability-of-the-multiple-sleep-latency-test-in-central-disorders-of-hypersomnolence
#9
Régis Lopez, Anis Doukkali, Lucie Barateau, Elisa Evangelista, Sofiene Chenini, Isabelle Jaussent, Yves Dauvilliers
Study objectives: To assess the test-retest reliability of the polysomnography-multiple sleep latency test (PSG-MSLT) diagnostic classification and measures, and to study the determinants of its variability in patients with narcolepsy type 1 (NT1) or with non-cataplectic central disorders of hypersomnolence (NCHS): type 2 (NT2), idiopathic hypersomnia (IH) and unspecified hypersomnolence (UnsEDS). Methods: PSG-MSLT in drug-free conditions was administered twice (median interval of 1...
November 1, 2017: Sleep
https://www.readbyqxmd.com/read/29071217/modafinil-improves-catalepsy-in-a-rat-6-hydroxydopamine-model-of-parkinson-s-disease-possible-involvement-of-dopaminergic-neurotransmission
#10
Reza Vajdi-Hokmabad, Mojtaba Ziaee, Saeed Sadigh-Eteghad, Siamak Sandoghchian Shotorbani, Javad Mahmoudi
Purpose: Modafinil is a vigilance-enhancing drug licensed for narcolepsy. The use of modafinil leads to various neuromodulatory effects with very low abuse potential. A body of evidence suggested that modafinil may have anti-parkinsonian effects. This study was designed to evaluate whether modafinil could improve motor dysfunction in the 6-hydroxydopamine (6-OHDA)-induced rat model of Parkinson's disease. Methods: Male Wistar rats (180-220 g, n= 98) were used in this study. Parkinsonism was induced by injection of 6-hydroxydopamine (10 μg/2μl in 0...
September 2017: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29069490/optimizing-mslt-specificity-in-narcolepsy-with-cataplexy
#11
T Murer, L L Imbach, M Hackius, R N Taddei, E Werth, R Poryazova, Y V Gavrilov, S Winkler, D Waldvogel, C R Baumann, P O Valko
Objective: Multiple sleep onset rapid eye movement (R) periods (SOREMPs) and a mean sleep latency ≤8min on the multiple sleep latency test (MSLT) are diagnostic criteria of narcolepsy (NC), but occur also in other conditions with increased sleep pressure, including insufficient sleep syndrome (ISS), sleep disordered breathing (SDB) or Parkinson's disease (PD). These false positives are common, may create diagnostic uncertainty, and highlight the need for complementary MSLT measures with high specificity for narcolepsy...
October 23, 2017: Sleep
https://www.readbyqxmd.com/read/29061293/methylphenidate-gender-trends-in-adult-and-pediatric-populations-over-a-7year-period
#12
Carole Ehrhardt, Quentin Boucherie, Vanessa Pauly, David Braunstein, Eléonore Ronflé, Xavier Thirion, Elisabeth Frauger, Joelle Micallef
OBJECTIVE: Methylphenidate (MPH) is a prescription-stimulant medication which is authorized in France for two indications: attention-deficit hyperactivity disorder in children (aged≥6years) and narcolepsy in cases where modafinil is ineffective (for children and adults). MPH use has increased worldwide in the past 2 decades in children and adults. Different pharmacoepidemiological Europeans studies have described MPH patterns of use. To our knowledge, few pharmacoepidemiological studies have described MPH patterns of use in France...
July 21, 2017: Thérapie
https://www.readbyqxmd.com/read/29059615/development-and-validation-of-a-high-performance-liquid-chromatography-tandem-mass-spectrometry-assay-for-the-quantification-of-dexamphetamine-in-human-plasma
#13
M Herbrink, B Thijssen, M J X Hillebrand, H Rosing, J H M Schellens, B Nuijen, J H Beijnen
Dexamphetamine is registered for the treatment of attention deficit hyperactivity disorder and narcolepsy. Current research has highlighted the possible application of dexamphetamine in the treatment of cocaine addiction. To support clinical pharmacologic trials a new simple, fast, and sensitive assay for the quantification of dexamphetamine in human plasma using liquid chromatography tandem mass spectrometry (LC-MS/MS) was developed. Additionally, it is the first reported LC-MS assay with these advantages to be fully validated according to current US FDA and EMA guidelines...
October 18, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29047171/effectiveness-and-side-effect-profile-of-stimulant-therapy-as-monotherapy-and-in-combination-in-the-central-hypersomnias-in-clinical-practice
#14
Chiraag Thakrar, Kishankumar Patel, Grainne D'ancona, Brian D Kent, Alexander Nesbitt, Hugh Selsick, Joerg Steier, Ivana Rosenzweig, Adrian J Williams, Guy D Leschziner, Panagis Drakatos
Effectiveness and side-effect profile data on pharmacotherapy for daytime sleepiness in central hypersomnias are based largely upon randomized controlled trials. Evidence regarding the use of combination therapy is scant. The aim of this study was to examine the effectiveness and occurrence of drug-related side effects of these drugs in routine clinical practice. Adult patients diagnosed with a central hypersomnia during a 54-month period at a tertiary sleep disorders centre were identified retrospectively...
October 19, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/29036309/chiral-analysis-of-methamphetamine-in-oral-fluid-samples-a-method-to-distinguish-licit-from-illicit-drug-use
#15
Damon Borg, Elizabeth Kolb, Cindy Lantigua, Richard Stripp
Methamphetamine (MAMP) is a popular illicit drug abused for its central nervous system stimulating effects. MAMP is also used therapeutically in the treatment of overeating disorders, narcolepsy, attention deficit disorder, in over-the-counter (OTC) products to ease nasal congestion. MAMP exists in two enantiomeric forms, dextrorotary (d-MAMP) or levorotary (l-MAMP). The compounds are similar in chemical structure, simply differing in the orientation of functional groups around the asymmetric carbon. In part because of the availability of l-MAMP in OTC nasal inhalers, forensic guidelines require a sample to contain greater than 20% d-MAMP to consider illicit drug use when interpreting results...
September 25, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/29031763/correlation-between-the-epworth-sleepiness-scale-and-the-maintenance-of-wakefulness-test-in-patients-with-narcolepsy-participating-in-two-clinical-trials-of-sodium-oxybate
#16
Milton Erman, Helene Emsellem, Jed Black, Fannie Mori, Geert Mayer
BACKGROUND: In evaluating pathologic sleepiness, the Epworth Sleepiness Scale (ESS) assesses subjective sleep propensity; the Maintenance of Wakefulness Test (MWT) is an objective measure of the ability to stay awake. This analysis evaluated the strength of the correlation between ESS and MWT with regard to absolute values in scores. METHODS: Data were analyzed separately from the intent-to-treat populations of two eight-week clinical trials of sodium oxybate for the treatment of narcolepsy, SXB-15 and SXB-22...
October 2017: Sleep Medicine
https://www.readbyqxmd.com/read/29031743/identifying-clinically-important-difference-on-the-epworth-sleepiness-scale-results-from-a-narcolepsy-clinical-trial-of-jzp-110
#17
Lawrence Scrima, Helene A Emsellem, Philip M Becker, Chad Ruoff, Alan Lankford, Gary Bream, Moise Khayrallah, Yuan Lu, Jed Black
BACKGROUND: While scores ≤10 on the Epworth Sleepiness Scale (ESS) are within the normal range, the reduction in elevated ESS score that is clinically meaningful in patients with narcolepsy has not been established. METHODS: This post hoc analysis of a clinical trial of patients with narcolepsy evaluated correlations between Patient Global Impression of Change (PGI-C) and ESS. Data of adult patients with narcolepsy from a double-blind, 12-week placebo-controlled study of JZP-110, a wake-promoting agent, were used in this analysis...
October 2017: Sleep Medicine
https://www.readbyqxmd.com/read/29029348/dysregulation-of-sleep-behavioral-states-in-narcolepsy
#18
Sarah F Schoch, Esther Werth, Rositsa Poryazova, Thomas E Scammell, Christian R Baumann, Lukas L Imbach
Study Objectives: Patients with narcolepsy suffer from poor maintenance of wakefulness and fragmented night sleep, but the underlying mechanism of sleep boundary dysregulation remains little understood. The goal of this study was to quantify abnormal sleep-wake regulation in narcolepsy patients. Methods: Using a model-based approach (state space analysis), we analyzed overnight EEG recordings in ten patients with narcolepsy type 1 and age- and gender-matched healthy control subjects...
October 5, 2017: Sleep
https://www.readbyqxmd.com/read/29023559/the-relationship-between-orexin-levels-and-blood-pressure-changes-in-patients-with-narcolepsy
#19
Mariusz Sieminski, Kamil Chwojnicki, Tomi Sarkanen, Markku Partinen
STUDY OBJECTIVE: Narcolepsy type 1 (NT1) is caused by a deficiency or absence of the neurotransmitter orexin. NT1 is also associated with a reduced nocturnal "dipping" of blood pressure (BP). The study objective was to analyze whether nocturnal BP values differed in patients depleted of orexin, versus those in whom production was preserved. METHODS: We performed a retrospective analysis of the polysomnographic recordings, orexin levels, and BP values of patients with NT1...
2017: PloS One
https://www.readbyqxmd.com/read/29019051/the-link-between-narcolepsy-and-autonomic-cardiovascular-dysfunction-a-translational-perspective
#20
REVIEW
Chiara Berteotti, Alessandro Silvani
Narcolepsy is a rare disease that entails excessive daytime sleepiness, often associated with sudden episodes of muscle weakness known as cataplexy. Narcolepsy with cataplexy (NC) is due to the loss of hypothalamic neurons that release the neuropeptides orexin A and B. Orexin neuron projections prominently target brain structures involved in wake-sleep state switching and the central autonomic network. This review provides an updated summary of the links between NC and autonomic cardiovascular dysfunction from a translational perspective...
October 10, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
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