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https://www.readbyqxmd.com/read/28534274/exploring-the-validity-of-proposed-transgenic-animal-models-of-attention-deficit-hyperactivity-disorder-adhd
#1
REVIEW
June Bryan de la Peña, Irene Joy Dela Peña, Raly James Custodio, Chrislean Jun Botanas, Hee Jin Kim, Jae Hoon Cheong
Attention-deficit/hyperactivity disorder (ADHD) is a common, behavioral, and heterogeneous neurodevelopmental condition characterized by hyperactivity, impulsivity, and inattention. Symptoms of this disorder are managed by treatment with methylphenidate, amphetamine, and/or atomoxetine. The cause of ADHD is unknown, but substantial evidence indicates that this disorder has a significant genetic component. Transgenic animals have become an essential tool in uncovering the genetic factors underlying ADHD. Although they cannot accurately reflect the human condition, they can provide insights into the disorder that cannot be obtained from human studies due to various limitations...
May 22, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28509573/adverse-events-of-atomoxetine-in-a-double-blind-placebo-controlled-study-in-children-with-autism
#2
Rameshwari V Tumuluru, Patricia Corbett-Dick, Michael G Aman, Tristram Smith, L Eugene Arnold, Xueliang Pan, Kristin A Buchan-Page, Nicole V Brown, Melissa M Ryan, Susan L Hyman, Jessica Hellings, Craig Williams, Jill A Hollway, Luc Lecavalier, Robert R Rice, Sarah McAuliffe-Bellin, Benjamin L Handen
OBJECTIVE: Attention-deficit/hyperactivity disorder (ADHD) symptoms, including inattention and over activity, occur in approximately one-third of children with autism spectrum disorder (ASD). We describe the rate and duration of adverse events in a randomized controlled trial of atomoxetine (ATX) and parent training (PT) for ADHD symptoms and noncompliance in children with ASD. METHODS: We conducted a 10-week, double-blind, 2 × 2 trial of ATX and PT with 128 children (ages 5-14) randomized to ATX alone, ATX+PT, placebo+PT, or placebo alone...
May 16, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28507595/differential-therapeutic-effects-of-atomoxetine-and-methylphenidate-in-childhood-attention-deficit-hyperactivity-disorder-as-measured-by-near-infrared-spectroscopy
#3
Yoko Nakanishi, Toyosaku Ota, Junzo Iida, Kazuhiko Yamamuro, Naoko Kishimoto, Kosuke Okazaki, Toshifumi Kishimoto
BACKGROUND: The stimulant methylphenidate (MPH) and the nonstimulant atomoxetine (ATX) are the most commonly-prescribed pharmacological treatments for attention deficit/hyperactivity disorder (ADHD). However, the drug-specific mechanism of action on brain function in ADHD patients is not well known. This study examined differences in prefrontal hemodynamic activity between MPH and ATX in children with ADHD as measured by near-infrared spectroscopy (NIRS) using the Stroop color-word task...
2017: Child and Adolescent Psychiatry and Mental Health
https://www.readbyqxmd.com/read/28490916/the-cannabis-withdrawal-syndrome-current-insights
#4
REVIEW
Udo Bonnet, Ulrich W Preuss
The cannabis withdrawal syndrome (CWS) is a criterion of cannabis use disorders (CUDs) (Diagnostic and Statistical Manual of Mental Disorders - Fifth Edition) and cannabis dependence (International Classification of Diseases [ICD]-10). Several lines of evidence from animal and human studies indicate that cessation from long-term and regular cannabis use precipitates a specific withdrawal syndrome with mainly mood and behavioral symptoms of light to moderate intensity, which can usually be treated in an outpatient setting...
2017: Substance Abuse and Rehabilitation
https://www.readbyqxmd.com/read/28477289/predictors-of-relapse-or-maintenance-of-response-in-pediatric-and-adult-patients-with-attention-deficit-hyperactivity-disorder-following-discontinuation-of-long-term-treatment-with-atomoxetine
#5
Johannes Thome, Ralf W Dittmann, Laurence L Greenhill, Sarah Lipsius, Yoko Tanaka, Chris Bushe, Rodrigo Escobar, Alexandra N Heinloth, Himanshu Upadhyaya
We identified relapse/maintenance-of-response (MOR) predictors following discontinuation of long-term atomoxetine treatment in pediatric and adult patients with attention-deficit/hyperactivity disorder (ADHD) and assessed correlations between ADHD symptoms and quality of life (QoL). Post hoc analyses of data from two randomized, double-blind, placebo-controlled, phase 3 withdrawal studies in patients with ADHD meeting predefined response criteria before randomization. Study 1: patients (N = 163; 6-15 years) received atomoxetine (1...
May 5, 2017: Attention Deficit and Hyperactivity Disorders
https://www.readbyqxmd.com/read/28451624/tics-in-the-pediatric-population-pragmatic-management
#6
REVIEW
Christos Ganos, Davide Martino, Tamara Pringsheim
BACKGROUND: Primary tic disorders, notably Tourette syndrome, are very common movement disorders in childhood. However, the management of such patients still poses great therapeutic challenges to medical professionals. METHODS: Based on a synthesis of the available guidelines published in Europe, Canada, and the United States, coupled with more recent therapeutic developments, the authors provide a pragmatic guide to aid clinicians in deciding when and how to treat patients who have primary tic disorders...
March 2017: Movement Disorders Clinical Practice
https://www.readbyqxmd.com/read/28445519/the-effect-of-atomoxetine-on-random-and-directed-exploration-in-humans
#7
Christopher M Warren, Robert C Wilson, Nic J van der Wee, Eric J Giltay, Martijn S van Noorden, Jonathan D Cohen, Sander Nieuwenhuis
The adaptive regulation of the trade-off between pursuing a known reward (exploitation) and sampling lesser-known options in search of something better (exploration) is critical for optimal performance. Theory and recent empirical work suggest that humans use at least two strategies for solving this dilemma: a directed strategy in which choices are explicitly biased toward information seeking, and a random strategy in which decision noise leads to exploration by chance. Here we examined the hypothesis that random exploration is governed by the neuromodulatory locus coeruleus-norepinephrine system...
2017: PloS One
https://www.readbyqxmd.com/read/28444684/-evaluation-and-treatment-of-sleep-problems-in-children-diagnosed-with-attention-deficit-hyperactivity-disorder-an-update-of-the-evidence
#8
REVIEW
M Chamorro, J P Lara, I Insa, M Espadas, J A Alda-Diez
INTRODUCTION: Attention deficit hyperactivity disorder (ADHD) affects approximately 5% of all children and adolescents, and these patients frequently suffer from sleep problems. The association between sleep disorders and ADHD, however, is multifaceted and complex. AIMS: To explore the relationship between sleep disorders and ADHD. DEVELOPMENT: Sleep problems in children with ADHD include altered sleep and specific disorders per se or that may be due to comorbid psychiatric disorders or to the stimulants they receive as treatment for their ADHD...
May 1, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28432778/cross-species-studies-of-cognition-relevant-to-drug-discovery-a-translational-approach
#9
REVIEW
T W Robbins
This review advances the case that bidirectional, cross-species translation of findings from experimental animals to and from humans is an important strategy for drug discovery. Animal models of mental disorders require appropriate behavioural or cognitive outcome variables that can be generalized cross-species. One example is the treatment of impulsive behaviour in attention deficit hyperactivity disorder (ADHD) with stimulant drugs. Performance on the stop signal reaction task as an index of impulsivity is improved both in healthy human volunteers and in patients with adult ADHD by stimulant drugs and also by the selective noradrenaline reuptake blocker atomoxetine...
April 22, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28416812/a-new-locus-regulating-micall2-expression-was-identified-for-association-with-executive-inhibition-in-children-with-attention-deficit-hyperactivity-disorder
#10
L Yang, S Chang, Q Lu, Y Zhang, Z Wu, X Sun, Q Cao, Y Qian, T Jia, B Xu, Q Duan, Y Li, K Zhang, G Schumann, D Liu, J Wang, Y Wang, L Lu
Impaired executive inhibition is a core deficit of attention deficit hyperactivity disorder (ADHD), which is a common childhood-onset psychiatric disorder with high heritability. In this study, we performed a two-stage genome-wide association study of executive inhibition in ADHD in Han Chinese. We used the Stroop color-word interference test to evaluate executive inhibition. After quality control, 780 samples with phenotype and covariate data were included in the discovery stage, whereas 922 samples were included in the replication stage...
April 18, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28382197/attention-deficit-hyperactivity-disorder-medication-use-factors-involved-in-prescribing-safety-aspects-and-outcomes
#11
REVIEW
Jose Martinez-Raga, Amparo Ferreros, Carlos Knecht, Raquel de Alvaro, Eloisa Carabal
While treatment of patients with attention-deficit hyperactivity disorder (ADHD) is based on a multimodal approach that combines medication with specific psychological interventions, pharmacotherapy alone is generally considered an essential and cost-effective element. This paper aims to comprehensively and critically review factors involved in prescribing and medication use in individuals diagnosed with ADHD, focusing on the difficulties facing patients with ADHD seeking treatment, as well as the safety and tolerability aspects of ADHD pharmacotherapies, with particular attention on the cardiovascular adverse events and the potential risk of misuse or diversion of ADHD medications...
March 2017: Therapeutic Advances in Drug Safety
https://www.readbyqxmd.com/read/28371725/age-related-pharmacotherapy-of-attention-deficit-hyperactivity-disorder-in-slovenia-in-children-and-adolescents-a-population-based-study
#12
M Stuhec, I Locatelli
BACKGROUND: There are no data on age-related pharmacotherapy for Attention Deficit Hyperactivity Disorder (ADHD) medication in children and adolescents in the most European countries. The main aim of this paper was to obtain that data for children and adolescents in Slovenia. METHOD: The number of ADHD drug prescriptions per patient was obtained from the health claims data on prescription drugs of the Health Insurance Institute of Slovenia for the study period (2003-2015)...
May 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28366111/safety-of-treatments-for-adhd-in-adults-pairwise-and-network-meta-analyses
#13
Danielly Chierrito de Oliveira, Patricia Guerrero de Sousa, Camila Borges Dos Reis, Fernanda Stumpf Tonin, Laiza Maria Steimbach, Suzane Virtuoso, Fernando Fernandez-Llimos, Roberto Pontarolo, Andréia Cristina Conegero Sanches
OBJECTIVE: The aim of the study was to analyze evidence comparing the profile of drugs used to treat ADHD in adult patients. METHOD: Systematic searches were conducted in electronic databases. Randomized, double-blind, parallel controlled trials that evaluated the safety of drugs in ADHD were included. The statistical analyses were conducted by pairwise meta-analyses and mixed treatment comparison (MTC). RESULTS: Ten ( n = 3006) trials were included in the analyses...
March 1, 2017: Journal of Attention Disorders
https://www.readbyqxmd.com/read/28356001/atomoxetine-protects-against-nmda-receptor-mediated-hippocampal-neuronal-death-following-transient-global-cerebral-ischemia
#14
Joon Ha Park, Yang Hee Kim, Ji Hyeon Ahn, Soo Young Choi, Seongkweon Hong, Sung Koo Kim, Il Jun Kang, Young-Myeong Kim, Tae-Kyeong Lee, Moo-Ho Won, Choong-Hyun Lee
BACKGROUND: Atomoxetine has been widely used for the treatment of attention-deficit/hyperactivity disorder. ATX has additional abilities such as antagonistic effects on the N-methyl-D-aspartate receptors (NMDARs) and benefit effects in some animal models of neurological disorders. However, there were few studies regarding protective effects and related mechanisms of ATX against cerebral ischemic insults. OBJECTIVE: The objective of this study is to investigate neuroprotection of ATX pretreatment and its mechanisms in the hippocampal cornu ammonis 1 (CA1) region following transient global cerebral ischemia in gerbils...
March 27, 2017: Current Neurovascular Research
https://www.readbyqxmd.com/read/28351466/adhd-in-germany-trends-in-diagnosis-and-pharmacotherapy
#15
Christian J Bachmann, Alexandra Philipsen, Falk Hoffmann
BACKGROUND: Attention-deficit/hyperactivity disorder (ADHD) sometimes persists into adulthood. There have been no studies from Germany until the present time on the diagnosis and treatment of ADHD over the course of patients' lives, in particular during the transition from adolescence to early adulthood. METHODS: We used nationwide routine data of the AOK statutory healthinsurance fund to determine the frequency of ADHD diagnoses and prescriptions of medication for ADHD...
March 3, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28332006/prenatal-nicotine-exposure-decreases-the-release-of-dopamine-in-the-medial-frontal-cortex-and-induces-atomoxetine-responsive-neurobehavioral-deficits-in-mice
#16
Tursun Alkam, Takayoshi Mamiya, Nami Kimura, Aya Yoshida, Daisuke Kihara, Yuki Tsunoda, Yuki Aoyama, Masayuki Hiramatsu, Hyoung-Chun Kim, Toshitaka Nabeshima
Increased risk of attention-deficit/hyperactivity disorder (AD/HD) is partly associated with the early developmental exposure to nicotine in tobacco smoke. Emerging reports link tobacco smoke exposure or prenatal nicotine exposure (PNE) with AD/HD-like behaviors in rodent models. We have previously reported that PNE induces cognitive behavioral deficits in offspring and decreases the contents of dopamine (DA) and its turnover in the prefrontal cortex (PFC) of offspring It is well known that the dysfunction of DAergic system in the brain is one of the core factors in the pathophysiology of AD/HD...
March 23, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28293899/effects-of-atomoxetine-on-attention-in-wistar-rats-treated-with-the-neurotoxin-n-2-chloroethyl-n-ethyl-2-bromobenzylamine-dsp4
#17
Joachim Hauser, Andreas Reissmann, Thomas-A Sontag, Oliver Tucha, Klaus W Lange
The aim of the present study was to assess the effects of the neurotoxin N-(2-chloroethyl)-N-ethyl-2-bromobenzylamine (DSP4), which allows a depletion of noradrenergic terminals in a dose-dependent manner, on attention in rats as measured using the five-choice serial-reaction time task (5CSRTT). In addition, we investigated whether the effects of DSP4 treatment can be reversed by atomoxetine. Atomoxetine is a selective noradrenaline reuptake inhibitor and has been shown to be effective in the treatment of attention deficit hyperactivity disorder...
March 14, 2017: Attention Deficit and Hyperactivity Disorders
https://www.readbyqxmd.com/read/28291572/noradrenaline-transporter-blockade-increases-fronto-parietal-functional-connectivity-relevant-for-working-memory
#18
Dennis Hernaus, Marta Ma Casales Santa, Jan Stefan Offermann, Thérèse Van Amelsvoort
Experimental animal work has demonstrated that dopamine and noradrenaline play an essential role in modulating prefrontal cortex-mediated networks underlying working memory performance. Studies of functional connectivity have been instrumental in extending such notions to humans but, so far, have almost exclusively focussed on pharmacological agents with a predominant dopaminergic mechanism of action. Here, we investigate the effect of a single dose of atomoxetine 60mg, a noradrenaline transporter inhibitor, on working memory performance and associated functional connectivity during an n-back task in 19 healthy male volunteers...
March 10, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28280346/trend-characteristics-and-pharmacotherapy-of-adults-diagnosed-with-attention-deficit-hyperactivity-disorder-a-nationwide-survey-in-taiwan
#19
Yu-Shian Cheng, Yu-Chiau Shyu, Sheng-Yu Lee, Shin-Sheng Yuan, Chun-Ju Yang, Kang-Chung Yang, Tung-Liang Lee, Liang-Jen Wang
OBJECTIVE: Attention-deficit/hyperactivity disorder (ADHD) in adults may result in functional impairment warranting clinical interventions. However, few studies have investigated the diagnosis and treatment rates of adult ADHD in non-Caucasian ethnic groups. This study used nationwide population-based data to investigate the rate of diagnosis, associated characteristics, and pharmacological treatment for adult ADHD in Taiwan. METHODS: Adults (age ≥18 years) newly diagnosed with ADHD (n=5,397) between January 2000 and December 2011 were enrolled from the National Health Insurance database in Taiwan...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28258319/comparative-efficacy-and-safety-of-attention-deficit-hyperactivity-disorder-pharmacotherapies-including-guanfacine-extended-release-a-mixed-treatment-comparison
#20
REVIEW
Alain Joseph, Rajeev Ayyagari, Meng Xie, Sean Cai, Jipan Xie, Michael Huss, Vanja Sikirica
This study compared the clinical efficacy and safety of attention-deficit/hyperactivity disorder (ADHD) pharmacotherapy in children and adolescents 6-17 years of age. A systematic literature review was conducted to identify randomized controlled trials (RCTs) of pharmacologic monotherapies among children and adolescents with ADHD. A Bayesian network meta-analysis was conducted to compare change in symptoms using the ADHD Rating Scale Version IV (ADHD-RS-IV), Clinical Global Impression-Improvement (CGI-I) response, all-cause discontinuation, and adverse event-related discontinuation...
March 3, 2017: European Child & Adolescent Psychiatry
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