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https://www.readbyqxmd.com/read/28429997/attitudes-toward-cognitive-enhancer-use-among-new-zealand-tertiary-students
#1
Sanyogita Sanya Ram, Safeera Hussainy, Marcus Henning, Kay Stewart, Maree Jensen, Bruce Russell
BACKGROUND: Cognitive enhancement is the use of prescription stimulant medicines by healthy individuals for nonmedical use in academic settings. Commonly used cognitive enhancers (CEs) include methylphenidate, amphetamines, and modafinil. To understand the motivation to use CEs, it is important to look beyond prevalence and explore the extent to which attitudes, beliefs, and intentions predict the decision to use CEs. OBJECTIVE: The study aimed to investigate what factors explain the decision to use CEs among tertiary students in New Zealand, using the Theory of Planned Behaviour (TPB)...
April 21, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28429147/docetaxel-related-fatigue-in-men-with-metastatic-prostate-cancer-a-descriptive-analysis
#2
A R T Bergin, E Hovey, A Lloyd, G Marx, P Parente, T Rapke, P de Souza
PURPOSE: Fatigue is a prevalent and debilitating side effect of docetaxel chemotherapy in metastatic prostate cancer. A better understanding of the kinetics and nature of docetaxel-related fatigue may provide a framework for intervention. METHODS: This secondary analysis was performed using the MOTIF database, from a phase III, randomised, double-blind, placebo-controlled study of modafinil (200 mg/day for 15 days) for docetaxel-related fatigue in men with metastatic prostate cancer [1]...
April 20, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28424611/modafinil-induced-changes-in-functional-connectivity-in-the-cortex-and-cerebellum-of-healthy-elderly-subjects
#3
Miriam Punzi, Tommaso Gili, Laura Petrosini, Carlo Caltagirone, Gianfranco Spalletta, Stefano L Sensi
In the past few years, cognitive enhancing drugs (CEDs) have gained growing interest and the focus of investigations aimed at exploring their use to potentiate the cognitive performances of healthy individuals. Most of this exploratory CED-related research has been performed on young adults. However, CEDs may also help to maintain optimal brain functioning or compensate for subtle and or subclinical deficits associated with brain aging or early-stage dementia. In this study, we assessed effects on resting state brain activity in a group of healthy elderly subjects undergoing acute administration of modafinil, a wakefulness-promoting agent...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28424564/new-developments-in-the-management-of-narcolepsy
#4
REVIEW
Vivien C Abad, Christian Guilleminault
Narcolepsy is a life-long, underrecognized sleep disorder that affects 0.02%-0.18% of the US and Western European populations. Genetic predisposition is suspected because of narcolepsy's strong association with HLA DQB1*06-02, and genome-wide association studies have identified polymorphisms in T-cell receptor loci. Narcolepsy pathophysiology is linked to loss of signaling by hypocretin-producing neurons; an autoimmune etiology possibly triggered by some environmental agent may precipitate hypocretin neuronal loss...
2017: Nature and Science of Sleep
https://www.readbyqxmd.com/read/28404841/midas-modafinil-in-debilitating-fatigue-after-stroke-a-randomized-double-blind-placebo-controlled-cross-over-trial
#5
Andrew Bivard, Thomas Lillicrap, Venkatesh Krishnamurthy, Elizabeth Holliday, John Attia, Heather Pagram, Michael Nilsson, Mark Parsons, Christopher R Levi
BACKGROUND AND PURPOSE: This study aimed to assess the efficacy of modafinil, a wakefulness-promoting agent in alleviating post-stroke fatigue ≥3 months after stroke. We hypothesized that 200 mg of modafinil daily for 6 weeks would result in reduced symptoms of fatigue compared with placebo. METHODS: This single-center phase 2 trial used a randomized, double-blind, placebo-controlled, crossover design. The key inclusion criterion was a multidimensional fatigue inventory score of ≥60...
April 12, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28374089/modafinil-enhances-alerting-related-brain-activity-in-attention-networks
#6
Yumiko Ikeda, Takuya Funayama, Amane Tateno, Haruhisa Fukayama, Yoshiro Okubo, Hidenori Suzuki
RATIONALE: Modafinil is a wake-promoting agent and has been reported to be effective in improving attention in patients with attentional disturbance. However, neural substrates underlying the modafinil effects on attention are not fully understood. OBJECTIVES: We employed a functional magnetic resonance imaging (fMRI) study with the attention network test (ANT) task in healthy adults and examined which networks of attention are mainly affected by modafinil and which neural substrates are responsible for the drug effects...
April 3, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28364419/sleep-perception-and-misperception-in-chronic-cocaine-users-during-abstinence
#7
Sarah E Hodges, Brian Pittman, Peter T Morgan
Study Objectives: During abstinence, chronic cocaine users experience an objective worsening of sleep that is perceived as qualitatively improving. This phenomenon has been termed "occult insomnia." The objective of this study was to determine whether chronic cocaine users experience positive sleep state misperception during abstinence. Methods: Forty-three cocaine-dependent persons were admitted to an inpatient research facility for 12 days and 11 nights to participate in a treatment study of modafinil...
March 1, 2017: Sleep
https://www.readbyqxmd.com/read/28350194/modafinil-treatment-of-cocaine-dependence-a-systematic-review-and-meta-analysis
#8
Dinesh Sangroula, Fatima Motiwala, Bivek Wagle, Vivek C Shah, Katsuhiko Hagi, Steven Lippmann
BACKGROUND: Currently, there is none FDA-approved medication to treat cocaine dependency. Studies conducted with various medications, including antipsychotics, antidepressants, anticonvulsants, and others, revealed inconsistent results. OBJECTIVES: To meta-analytically investigate the efficacy and safety of modafinil in the treatment of cocaine-dependent patients. METHODS: Randomized controlled trials with ≥20 subjects comparing the numerical therapeutic outcomes of modafinil with placebo were identified in databases, such as PUBMED, psycINFO, EMBASE, and Clinicaltrials...
March 28, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28318897/efficacy-of-off-label-augmentation-in-unipolar-depression-a-systematic-review-of-the-evidence
#9
REVIEW
Julia Kleeblatt, Felix Betzler, Laura L Kilarski, Tom Bschor, Stephan Köhler
Treatment of unipolar depression with currently available antidepressants is still unsatisfactory. Augmentation with lithium or second generation antipsychotics is an established practice in non-responders to antidepressant monotherapy, but is also associated with a substantial non-response rate and with non-tolerance. Based on a systematic review of the literature, including meta-analyses, randomized controlled trials (RCTs), non-randomized comparative studies and case studies, off-label augmentation agents (administered in addition to an antidepressant, without FDA approval for treatment of MDD) were identified and evaluated regarding their efficacy using levels of evidence...
March 16, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28299368/modafinil-improves-episodic-memory-and-working-memory-cognition-in-patients-with-remitted-depression-a-double-blind-randomized-placebo-controlled-study
#10
Muzaffer Kaser, Julia B Deakin, Albert Michael, Camilo Zapata, Rachna Bansal, Dragana Ryan, Francesca Cormack, James B Rowe, Barbara J Sahakian
BACKGROUND: Cognitive dysfunction is a core feature of depression and tends to persist even after mood symptoms recover, leading to detrimental effects on clinical and functional outcomes. However, most currently available treatments have not typically addressed cognition. Modafinil has been shown to have beneficial effects on cognitive function and therefore has the potential to improve cognition in depression. The objective of this double-blind, placebo-controlled study was to investigate the effects of modafinil on cognitive functions in patients with remitted depression...
March 2017: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/28266501/the-novel-modafinil-analog-jjc8-016-as-a-potential-cocaine-abuse-pharmacotherapeutic
#11
Hai-Ying Zhang, Guo-Hua Bi, Hong-Ju Yang, Yi He, Gilbert Xue, Jiajing Cao, Gianluigi Tanda, Eliot L Gardner, Amy Hauck Newman, Zheng-Xiong Xi
(±)Modafinil ((±)MOD) and its R-enantiomer (R-modafinil; R-MOD) have been investigated for their potential as treatments for psychostimulant addiction. We recently reported a series of (±)MOD analogs, of which JJC8-016 (N-(2-((bis(4-fluorophenyl)methyl)thio)ethyl)-3-phenylpropan-1-amine) was selected for further development. JJC8-016 and R-MOD were evaluated for binding across ~70 receptors, transporters, and enzymes. Although at a concentration of 10 μM, there were many hits for JJC8-016, binding affinities in the range of its DAT affinity were only observed at the serotonin transporter (SERT), dopamine D2-like, and sigma1 receptors...
March 29, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28256707/dopaminergic-agents-in-the-treatment-of-bipolar-depression-a-systematic-review-and-meta-analysis
#12
A G Szmulewicz, F Angriman, C Samamé, A Ferraris, D Vigo, S A Strejilevich
OBJECTIVE: To systematically examine the effects of dopaminergic agents (modafinil, armodafinil, pramipexole, methylphenidate, and amphetamines) on bipolar depression outcomes. METHODS: Meta-analysis of randomized controlled trials was performed to assess the efficacy and safety of treatment with dopaminergic agents in bipolar depression. In a secondary analysis, findings from both randomized controlled trials and high-quality observational studies were pooled by means of meta-analytic procedures to explore dopaminergic treatment-related new mania...
March 3, 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/28244162/exploring-the-effect-of-ginsenoside-rh1-in-a-sleep-deprivation-induced-mouse-memory-impairment-model
#13
Cong Lu, Zhe Shi, Liming Dong, Jingwei Lv, Pan Xu, Yinghui Li, Lina Qu, Xinmin Liu
Panax ginseng C.A. Meyer (Araliaceae) has been used in traditional Chinese medicine for enhancing cognition for thousands of years. Ginsenoside Rh1, a constituent of ginseng root, as with other constituents, has memory-improving effects in normal mice and scopolamine-induced amnesic mice. Sleep deprivation (SD) is associated with memory impairment through induction of oxidative stress. The present study investigated the effect of Rh1 against SD-induced cognitive impairment and attempted to define the possible mechanisms involved...
February 28, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28231529/new-enantioselective-lc-method-development-and-validation-for-the-assay-of-modafinil
#14
Marianna Harvanová, Taťána Gondová
For the first time, a new, fast and sensitive chromatographic method for the separation and determination of modafinil enantiomers was developed on chiral stationary phase with macrocyclic glycopeptide teicoplanin in the polar organic mode. The effect of the mobile phase composition and column temperature on the retention and enantioseparation were studied. The separation was performed using a Chirobiotic T column (250×4.6mm, 5μm) with methanol and triethylamine (100/0.05, v/v) as the mobile phase at a flow rate of 1...
February 16, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28229024/modafinil-decreases-anxiety-like-behaviour-in-zebrafish
#15
Adrian Johnson, Trevor James Hamilton
Modafinil (2-((diphenylmethyl)sulfinyl)acetamide), a selective dopamine and norepinephrine transporter inhibitor, is most commonly prescribed for narcolepsy but has gained recent interest for treating a variety of disorders. Zebrafish (Danio rerio) are becoming a model of choice for pharmacological and behavioural research. To investigate the behavioural effects of modafinil on anxiety, we administered doses of 0, 2, 20, and 200 mg/L for 30 minutes then tested zebrafish in the novel approach test. In this test, the fish was placed into a circular arena with a novel object in the center and motion-tracking software was used to quantify the time the fish spent in the outer area of the arena (thigmotaxis zone), middle third of the arena (transition zone) and center of the arena, as well as total distance traveled, immobility and meandering...
2017: PeerJ
https://www.readbyqxmd.com/read/28207526/restoration-of-the-ascending-reticular-activating-system-compressed-by-hematoma-in-a-stroke-patient
#16
Sung Ho Jang, Jeong Pyo Seo
RATIONALE: We report on restoration of the ascending reticular activating system (ARAS), compressed by an intracerebral hematoma and perihematomal edema following a stroke. The restoration of the ARAS was demonstrated by diffusion tensor tractography (DTT). PATIENT CONCERNS: In a 60-year-old male, a brain MRI taken at 2 weeks after the surgery showed a hematoma and perihematomal edema in the left posterolateral pons and cerebellum, which were markedly resolved on a brain MRI after 5 weeks...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28144880/use-of-stimulants-in-bipolar-disorder
#17
REVIEW
Giulio Perugi, Giulia Vannucchi, Fulvio Bedani, Ettore Favaretto
Several international guidelines indicate stimulants, including methylphenidate (MPH), amphetamines and derivatives, modafinil, and armodafinil among the second-third-line choices for bipolar depression. Efficacy of stimulants has been also reported for the management of residual depressive symptoms such as fatigue and sleepiness and for the management of affective, cognitive, and behavioral symptoms in children and adult bipolar patients with comorbid ADHD. Few case reports show positive results with MPH in the treatment of resistant mania...
January 2017: Current Psychiatry Reports
https://www.readbyqxmd.com/read/28125506/oral-modafinil-facilitates-intracranial-self-stimulation-in-rats-comparison-with-methylphenidate
#18
Matthew F Lazenka, S Stevens Negus
Modafinil is a low-potency inhibitor of dopamine transporters (DAT) approved clinically to promote wakefulness. In most procedures used for abuse-liability assessment, modafinil produces effects similar to those of abused DAT inhibitors such as cocaine and methylphenidate, although modafinil often shows lower effectiveness. However, modafinil has failed to maintain drug self-administration or produce conditioned place preferences in rats. The low potency and poor solubility of modafinil complicate its delivery by parenteral routes of administration commonly used in rats, and this may contribute toward negative results...
January 25, 2017: Behavioural Pharmacology
https://www.readbyqxmd.com/read/28119083/methylphenidate-modafinil-and-caffeine-for-cognitive-enhancement-in-chess-a-double-blind-randomised-controlled-trial
#19
Andreas G Franke, Patrik Gränsmark, Alexandra Agricola, Kai Schühle, Thilo Rommel, Alexandra Sebastian, Harald E Balló, Stanislav Gorbulev, Christer Gerdes, Björn Frank, Christian Ruckes, Oliver Tüscher, Klaus Lieb
Stimulants and caffeine have been proposed for cognitive enhancement by healthy subjects. This study investigated whether performance in chess - a competitive mind game requiring highly complex cognitive skills - can be enhanced by methylphenidate, modafinil or caffeine. In a phase IV, randomized, double-blind, placebo-controlled trial, 39 male chess players received 2×200mg modafinil, 2×20mg methylphenidate, and 2×200mg caffeine or placebo in a 4×4 crossover design. They played twenty 15-minute games during two sessions against a chess program (Fritz 12; adapted to players' strength) and completed several neuropsychological tests...
March 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28114089/-non-conventional-pharmacological-agents-for-the-treatment-of-bipolar-disorder-%C3%AE-systematic-review-of-the-evidence
#20
K N Fountoulakis, D Balaris, V Nikolaou, J Νimatoudis
Bipolar disorder (BD) has a complex and variable clinical picture which is characterized by many different phacets and phases and as a result its therapeutical options are also complex and often unsatisfactory. Typically the so-called "mood stabilizers" are used in the treatment of BD and in this class lithium and specific antiepileptics are included. The present study aimed to systematically review the literature concerning the presence of randomized double blind clinical trials of 'non conventional' pharmaceutical treatment options...
October 2016: Psychiatrikē, Psychiatriki
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