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https://www.readbyqxmd.com/read/29470766/haloperidol-attenuates-methylphenidate-and-modafinil-induced-behavioural-sensitization-and-cognitive-enhancement
#1
Nausheen Alam, Kulsoom Choudhary
Previous studies have demonstrated that repeated psychostimulant administration produces behavioural sensitization and cognitive tolerance. Brain dopaminergic system and the involvement of dopamine D2 -receptors are considered to be important in psychostimulant-induced sensitization. Study designed to compared the motor activity by using familiar and novel enviroments and cognitive effects by water maze and passive avoidance test after long term administration of methylphenidate(at the dose 0.6 mg/kg/day, 2...
February 22, 2018: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29464791/comparing-pharmacological-treatments-for-cocaine-dependence-incorporation-of-methods-for-enhancing-generalizability-in-meta-analytic-studies
#2
Ryoko Susukida, Rosa M Crum, Hwanhee Hong, Elizabeth A Stuart, Ramin Mojtabai
OBJECTIVES: Few head-to-head comparisons of cocaine dependence medications exist, and combining data from different randomized controlled trials (RCTs) is fraught with methodological challenges including limited generalizability of the RCT findings. This study applied a novel meta-analytic approach to data of cocaine dependence medications. METHODS: Data from 4 placebo-controlled RCTs (Reserpine, Modafinil, Buspirone, and Ondansetron) were obtained from the National Institute of Drug Abuse Clinical Trials Network (n = 456)...
February 21, 2018: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/29460165/efficacy-and-safety-of-drugs-for-attention-deficit-hyperactivity-disorder-in-children-and-adolescents-a-network-meta-analysis
#3
Sarah C O S Padilha, Suzane Virtuoso, Fernanda S Tonin, Helena H L Borba, Roberto Pontarolo
The aim of this study is to gather evidence of head-to-head double-blind randomized-controlled trials on the efficacy and safety of available treatments for attention deficit hyperactivity disorder (ADHD) in children and adolescents. A systematic review was conducted by two independent reviewers in ten electronic databases (PROSPERO register CRD42016043239). Methodological quality of included studies was evaluated according to the Jadad scale. Network meta-analyses were performed including double-blinded head-to-head trials comparing active allopathic drugs in patients (0-18 years old) diagnosed with ADHD...
February 19, 2018: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/29456505/deletion-of-trace-amine-associated-receptor-1-attenuates-behavioral-responses-to-caffeine
#4
Michael D Schwartz, Jeremiah B Palmerston, Diana L Lee, Marius C Hoener, Thomas S Kilduff
Trace amines (TAs), endogenous amino acid metabolites that are structurally similar to the biogenic amines, are endogenous ligands for trace amine-associated receptor 1 (TAAR1), a GPCR that modulates dopaminergic, serotonergic, and glutamatergic activity. Selective TAAR1 full and partial agonists exhibit similar pro-cognitive, antidepressant- and antipsychotic-like properties in rodents and non-human primates, suggesting TAAR1 as a novel target for the treatment of neurological and psychiatric disorders. We previously reported that TAAR1 partial agonists are wake-promoting in rats and mice, and that TAAR1 knockout (KO) and overexpressing mice exhibit altered sleep-wake and EEG spectral composition...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29455292/effects-of-the-nicotinic-agonist-varenicline-nicotinic-antagonist-r-bpidi-and-dat-inhibitor-r-modafinil-on-co-use-of-ethanol-and-nicotine-in-female-p-rats
#5
Sarah E Maggio, Meredith A Saunders, Thomas A Baxter, Kimberly Nixon, Mark A Prendergast, Guangrong Zheng, Peter Crooks, Linda P Dwoskin, Rachel D Slack, Amy H Newman, Richard L Bell, Michael T Bardo
RATIONALE: Co-users of alcohol and nicotine are the largest group of polysubstance users worldwide. Commonalities in mechanisms of action for ethanol (EtOH) and nicotine proposes the possibility of developing a single pharmacotherapeutic to treat co-use. OBJECTIVES: Toward developing a preclinical model of co-use, female alcohol-preferring (P) rats were trained for voluntary EtOH drinking and i.v. nicotine self-administration in three phases: (1) EtOH alone (0 vs...
February 18, 2018: Psychopharmacology
https://www.readbyqxmd.com/read/29425331/modafinil-in-forensic-and-clinical-toxicology-case-reports-analytics-and-literature
#6
Lars Radünz, Hannah Reuter, Hilke Andresen-Streichert
Modafinil is used because of its wakefulness-promoting properties for treatment of diseases associated with extreme sleepiness (i.e., narcolepsy). Additionally, it is misused as a "cognitive enhancer" to increase alertness and to improve concentration. We present modafinil concentrations in serum samples in five cases of our routine work measured by high-performance liquid chromatography coupled with a photo diode array detector after solid-phase extraction. One sample was analyzed for clinical toxicology purposes...
February 7, 2018: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/29410048/a-daily-single-dose-of-a-novel-modafinil-analogue-ce-123-improves-memory-acquisition-and-memory-retrieval
#7
Martina Kristofova, Yogesh D Aher, Marija Ilic, Bojana Radoman, Predrag Kalaba, Vladimir Dragacevic, Nilima Y Aher, Johann Leban, Volker Korz, Lisa Zanon, Winfried Neuhaus, Marcus Wieder, Thierry Langer, Ernst Urban, Harald H Sitte, Harald Hoeger, Gert Lubec, Jana Aradska
Dopamine reuptake inhibitors have been shown to improve cognitive parameters in various tasks and animal models. We recently reported a series of modafinil analogues, of which the most promising, 5-((benzhydrylsulfinyl)methyl) thiazole (CE-123), was selected for further development. The present study aims to characterize pharmacological properties of CE-123 and to investigate the potential to enhance memory performance in a rat model. In vitro transporter assays were performed in cells expressing human transporters...
February 1, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/29406017/examining-the-effectiveness-of-acetylcholinesterase-inhibitors-and-stimulant-based-medications-for-cognitive-dysfunction-in-multiple-sclerosis-a-systematic-review-and-meta-analysis
#8
REVIEW
Jack Cotter, Nils Muhlert, Anahita Talwar, Kiri Granger
We sought to examine the effectiveness of acetylcholinesterase inhibitors (AChEIs) and stimulant-based medications for improving cognitive performance in patients with multiple sclerosis (MS). An electronic database search was conducted on 25th March 2017. Eligible studies were double-blind, randomised, placebo-controlled trials that examined the efficacy of compounds that act primarily as AChEIs or stimulants (administered daily for ≥1 week) on cognitive outcome measures in patients with MS. Where suitable data was reported, we generated effect sizes and corresponding 95% confidence intervals and performed meta-analyses using random-effects models to investigate the effectiveness of these drug types across cognitive domains...
March 2018: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29383573/fatigue-in-patients-with-major-depressive-disorder-prevalence-burden-and-pharmacological-approaches-to-management
#9
REVIEW
Helia Ghanean, Amanda K Ceniti, Sidney H Kennedy
Fatigue is a frequently reported symptom in major depressive disorder, occurring in over 90% of patients. Clinical presentations of fatigue within major depressive disorder encompass overlapping physical, cognitive and emotional aspects. While this review addresses the epidemiology, burden, functional impact and management of fatigue in major depressive disorder, the main focus is on available pharmacotherapy options and their comparative efficacies. Our review of the effects of pharmacological treatments on fatigue in major depressive disorder found that medications with dopaminergic and/or noradrenergic action such as modafinil, flupenthixol and atomoxetine were most effective in improving symptoms of fatigue and low energy...
January 30, 2018: CNS Drugs
https://www.readbyqxmd.com/read/29373621/modafinil-associated-with-new-onset-obsessivecompulsive-disorder
#10
Jeannie D Lochhead, Michele A Nelson, Rimal Bera
No abstract text is available yet for this article.
February 2018: Annals of Clinical Psychiatry: Official Journal of the American Academy of Clinical Psychiatrists
https://www.readbyqxmd.com/read/29332255/profiling-attention-and-cognition-enhancing-drugs-in-a-rat-touchscreen-based-continuous-performance-test
#11
Zhiyong Ding, Jordan W Brown, Lynne E Rueter, Eric G Mohler
RATIONALE: A novel rodent continuous performance test (CPT) was developed as one of the goals of the NEWMEDS (Novel Methods leading to New Medications in Depression and Schizophrenia) consortium to improve its translatability to the CPT test used in human subjects. OBJECTIVES: The objective of the study is to investigate the effects of attention and cognition enhancing drugs in rodent CPT. METHODS: A single cohort of rats were trained to asymptotic performance in the test...
January 13, 2018: Psychopharmacology
https://www.readbyqxmd.com/read/29287664/a-sequential-multiple-assignment-randomized-trial-for-cocaine-cessation-and-relapse-prevention-tailoring-treatment-to-the-individual
#12
Joy M Schmitz, Angela L Stotts, Anka Vujanovic, Michael Weaver, Jin Yoon, Jessica Vincent, Charles Green
Drug addiction is a chronic, devastating, but treatable disorder. A core principle of drug addiction treatment states that no single treatment is appropriate for everyone (NIDA, 2012); treatments need to adjust based on patient characteristics and response in order to be maximally effective. For cocaine use disorders (CUD), specifically, the most potent intervention currently available for initiating abstinence is behavior therapy using contingency management (CM) procedures, with early cessation being a robust predictor of future abstinence...
December 26, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/29250981/update-on-treatment-for-idiopathic-hypersomnia
#13
Elisa Evangelista, Régis Lopez, Yves Dauvilliers
Idiopathic hypersomnia (IH) is a poorly characterized orphan central disorder of hypersomnolence responsible for excessive daytime sleepiness (EDS), prolonged nighttime sleep and sleep inertia that often require long-term symptomatic stimulant medication. To date, no drug has currently the authorization for the treatment of IH patients worldwide. Areas covered: The authors reviewed data on pharmacological treatment of IH obtained from published literature (Medline/PubMed/Web of Science) and Clinicaltrial.gov database from 1997 to 2017...
January 3, 2018: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/29247759/repeated-methamphetamine-and-modafinil-induce-differential-cognitive-effects-and-specific-histone-acetylation-and-dna-methylation-profiles-in-the-mouse-medial-prefrontal-cortex
#14
Betina González, Subramaniam Jayanthi, Natalia Gomez, Oscar V Torres, Máximo H Sosa, Alejandra Bernardi, Francisco J Urbano, Edgar García-Rill, Jean-Lud Cadet, Verónica Bisagno
Methamphetamine (METH) and modafinil are psychostimulants with different long-term cognitive profiles: METH is addictive and leads to cognitive decline, whereas modafinil has little abuse liability and is a cognitive enhancer. Increasing evidence implicates epigenetic mechanisms of gene regulation behind the lasting changes that drugs of abuse and other psychotropic compounds induce in the brain, like the control of gene expression by histones 3 and 4 tails acetylation (H3ac and H4ac) and DNA cytosine methylation (5-mC)...
December 13, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29230168/a-novel-dopamine-transporter-inhibitor-ce-123-improves-cognitive-flexibility-and-maintains-impulsivity-in-healthy-male-rats
#15
Agnieszka Nikiforuk, Predrag Kalaba, Marija Ilic, Volker Korz, Vladimir Dragačević, Judith Wackerlig, Thierry Langer, Harald Höger, Joanna Golebiowska, Piotr Popik, Gert Lubec
Reduced cognitive abilities are often characterized by an impairment of flexibility, i.e., the ability to switch from learned rules or categories that were important in certain contexts to different new modalities that rule the task. Drugs targeting the dopamine transporter (DAT) are widely used for their potential to enhance cognitive abilities. However, commercially available drugs are of limited specificity for DAT, blocking also noradrenaline and serotonine transporters, that can lead to unwanted side effects in healthy subjects...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/29224920/-pharmaceutical-cognitive-doping-in-students-a-chimeric-way-to-get-a-head
#16
Louise Carton, Nicolas Cabé, Olivier Ménard, Sylvie Deheul, Anne-Sylvie Caous, David Devos, Olivier Cottencin, Régis Bordet
For students, the pressing demands for memorization, top-level performance, and peer competition create an environment favorable for pharmaceutical cognitive doping behavior. We aimed to describe recent practices and the benefit / risk ratio of such behavior and to discuss the issues at stake. The prevalence of pharmaceutical cognitive doping among students has been reported from 1.3% to 33% across studies, with variations depending on country and definition of pharmaceutical cognitive doping. The therapeutic classes most frequently cited as being diverted for doping purposes are psychostimulants and nootropics (methylphenidate, modafinil, piracetam), corticosteroids, sedative drugs and beta-blockers...
November 22, 2017: Thérapie
https://www.readbyqxmd.com/read/29221779/effect-of-sodium-oxybate-modafinil-and-their-combination-on-disrupted-nighttime-sleep-in-narcolepsy
#17
Yves Dauvilliers, Thomas Roth, Diane Guinta, Sarah Alvarez-Horine, Efim Dynin, Jed Black
OBJECTIVE: To assess the effects of three narcolepsy treatment modalities on sleep stage shifts associated with disrupted nighttime sleep (DNS) using data from a clinical trial. METHODS: Polysomnograms were reviewed from 155 patients (who had these data available at baseline and 8 weeks) of the 278 patients who were randomized to placebo, 9-g sodium oxybate (SXB)/nightly, 200-600 mg/d modafinil, or SXB + modafinil. Major outcomes of these post hoc analyses, analyzed using analysis of covariance, were change from baseline in number of shifts from Stages N2/3/rapid eye movement (REM) to Stage N1/Wake, and from Stage N1/Wake to REM...
December 2017: Sleep Medicine
https://www.readbyqxmd.com/read/29217282/atypical-dopamine-transporter-inhibitors-attenuate-compulsive-like-methamphetamine-self-administration-in-rats
#18
Brendan J Tunstall, Chelsea P Ho, Jianjing Cao, Janaína C M Vendruscolo, Brooke E Schmeichel, Rachel D Slack, Gianluigi Tanda, Alexandra J Gadiano, Rana Rais, Barbara S Slusher, George F Koob, Amy H Newman, Leandro F Vendruscolo
Methamphetamine (METH) is a highly addictive drug, but no pharmacological treatment is yet available for METH use disorders. Similar to METH, the wake-promoting drug (R)-modafinil (R-MOD) binds to the dopamine transporter (DAT). Unlike METH, R-MOD is not a substrate for transport by DAT and has low abuse potential. We tested the hypothesis that the atypical DAT inhibitor R-MOD and compounds that are derived from Modafinil would decrease METH intake by reducing the actions of METH at the DAT. We tested the effects of systemic injections of R-MOD and four novel Modafinil-derived ligands with increased DAT affinity (JJC8-016, JJC8-088, JJC8-089, and JJC8-091) on intravenous (i...
December 4, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29209802/-doping-for-the-brain
#19
REVIEW
Bernhard Iglseder
The enhancement of physical and cognitive abilities (i. e. concentration, vigilance, memory) has always been desirable for humans. The term pharmacological neuroenhancement refers to the use of legal or nonprescription psychoactive substances by healthy subjects with the intention of cognitive enhancement. To give the most prominent example, caffeine serves worldwide as a natural stimulant. Brain doping, however, specifies the use of illegal substances or prescription drugs beyond approval with the purpose of cognitive enhancement...
December 5, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/29206921/acute-effects-of-methylphenidate-modafinil-and-mdma-on-negative-emotion-processing
#20
André Schmidt, Felix Müller, Patrick C Dolder, Yasmin Schmid, Davide Zanchi, Laura Egloff, Matthias E Liechti, Stefan Borgwardt
Background: Stimulants such as methylphenidate (MPH) and modafinil are frequently used as cognitive enhancers in healthy people, whereas 3,4-methylenedioxymethamphetamine (MDMA, ecstasy) is proposed to enhance mood and empathy in healthy subjects. However, comparative data on the effects of MPH and modafinil on negative emotions in healthy subjects have been widely missing. The aim of this study was to compare the acute effects of MPH and modafinil on the neural correlates of fearful face processing using MDMA as a positive control...
December 1, 2017: International Journal of Neuropsychopharmacology
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