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Joachim Liepert
PURPOSE OF REVIEW: This article evaluates whether specific drugs are able to facilitate motor recovery after stroke or improve the level of consciousness, cognitive, or behavioral symptoms after traumatic brain injury. RECENT FINDINGS: After stroke, serotonin reuptake inhibitors can enhance restitution of motor functions in depressed as well as in nondepressed patients. Erythropoietin and progesterone administered within hours after moderate to severe traumatic brain injury failed to improve the outcome...
September 28, 2016: Current Opinion in Neurology
Mark Galizio, Brooke April, Melissa Deal, Andrew Hawkey, Danielle Panoz-Brown, Ashley Prichard, Katherine Bruce
The Odor Span Task is an incrementing non-matching-to-sample procedure that permits the study of behavior under the control of multiple stimuli. Rats are exposed to a series of odor stimuli and selection of new stimuli is reinforced. Successful performance thus requires remembering which stimuli have previously been presented during a given session. This procedure has been frequently used in neurobiological studies as a rodent model of working memory; however, only a few studies have examined the effects of drugs on performance in this task...
October 17, 2016: Journal of the Experimental Analysis of Behavior
Timo-Benjamin Baumeister, Ingo Wickenbrock, Christian A Perings
Methylphenidate (Ritalin(®)) is an increasingly used medication in the treatment of attention-deficit hyperactivity disorder (ADHD). Cardiovascular adverse effects like vasospasm or myocardial infarction are described as very rare adverse effects. We present the case of a 21-year-old man diagnosed with ADHD who recently started therapy with Ritalin(®) Adult 20 mg for at least 3 days. Afterwards he presented with chest pain, elevated troponin and creatine kinase, and posterolateral ST elevations. A myocarditis was initially supposed...
December 2016: Drug Saf Case Rep
Esra Cop Tasgin, Ozgur Oner, Pinar Yurtbasi, Kerim Munir
OBJECTIVE: To investigate the effect of Attention Deficit Hyperactivity Disorder (ADHD), antisocial behavior and anxiety/depression ratings of mothers, and child and adolescents' age, gender, ADHD subtype, and comorbidity on one-month drug treatment response to OROS methylphenidate in ADHD in a naturalistic setting. METHODS: The analyses included 223 subjects (191 boys, 32 girls; age 6-15 years, mean: 9.4) treated with OROS methylphenidate (18-72 mg/day, mean: 31 mg/d; 0...
2016: Bulletin of Clinical Psychopharmacology [Klinik Psikofarmakoloji Bülteni]
Carmen Cheng, Lois La Grenade, Ida-Lina Diak, Allen Brinker, Robert L Levin
OBJECTIVE: To identify and characterize cases of chemical leukoderma, an underrecognized adverse event, associated with the methylphenidate transdermal system (MTS) reported to the US Food and Drug Administration Adverse Event Reporting System (FAERS). STUDY DESIGN: We searched the Food and Drug Administration Adverse Event Reporting System for reports of chemical leukoderma associated with MTS, received by the Food and Drug Administration from April 6, 2006 to December 23, 2014...
October 10, 2016: Journal of Pediatrics
L Brandejsky, J-A Micoulaud Franchi, R Lopez, S Bioulac, D Da Fonseca, C Daudet, L Boyer, R Richieri, C Lançon
OBJECTIVES: The aim of this review is to summarize the available data in the literature about the therapeutic applications of transcranial magnetic stimulation and transcranial direct current stimulation in attention-deficit hyperactivity disorder (ADHD). METHOD: The scientific literature search of international articles was performed in February 2016 using the PubMed electronic database. The following MeSH terms were employed: "attention-deficit disorder with hyperactivity" AND "transcranial magnetic stimulation", "attention-deficit disorder with hyperactivity" AND "transcranial direct current stimulation"...
October 10, 2016: L'Encéphale
Majid Motaghinejad, Manijeh Motevalian, Behnaz Shabab
Neurodegeneration induced by methylphenidate (MPH), as a central stimulant with unknown long-term consequences, in adult rats' brain and the possible mechanisms involved were studied. Rats were acutely treated with MPH in presence and absence of some receptor antagonists such as ketamine, topiramate, yohimibine and haloperidol. Motor activity and anxiety level in rats were monitored. Anti-oxidant and inflammatory parameters were also measured in isolated hippocampus and cerebral cortex. MPH treated groups (10 and 20 mg/kg) demonstrated anxiety-like behavior and increased motor activity...
October 14, 2016: Fundamental & Clinical Pharmacology
Ying Li, Jie Gao, Shu He, Yan Zhang, Qiwei Wang
Attention deficit hyperactivity disorder (ADHD) is one of the most common neurobehavioral disorders. We carried out this comparison of multiple treatments based on sufficient data in attempt to evaluate the efficacy and safety of ADHD medication for children and adolescents. PubMed, Embase and the Cochrane Database were used to search for relevant articles. Changes in the ADHD Rating Scale (ADHD-RS) scores and the Conners' Parent Rating Scale-Revised (CPRS) scores were used as outcomes for efficacy. Withdrawals due to all-cause, adverse effects and lack of efficacy were defined as primary outcomes evaluating the safety of such medications...
October 13, 2016: Molecular Neurobiology
Timothy J Silk, Charles Malpas, Alasdair Vance, Mark A Bellgrove
We examined the effect of a single dose of methylphenidate (MPH) on whole brain functional connectivity, assessed using resting state functional MRI (rsfMRI), in young people with ADHD. 16 young people with ADHD participated in two rsfMRI scans in a randomized, placebo-controlled study with an acute dose of MPH (20 mg). 15 typically developing controls also performed the task under placebo conditions. The network-based statistic (NBS) was used to identify differential connectivity patterns between the MPH and placebo conditions in the ADHD group...
October 12, 2016: Brain Imaging and Behavior
Xiaoxia Yang, John Duan, Jeffrey Fisher
A previously presented physiologically-based pharmacokinetic model for immediate release (IR) methylphenidate (MPH) was extended to characterize the pharmacokinetic behaviors of oral extended release (ER) MPH formulations in adults for the first time. Information on the anatomy and physiology of the gastrointestinal (GI) tract, together with the biopharmaceutical properties of MPH, was integrated into the original model, with model parameters representing hepatic metabolism and intestinal non-specific loss recalibrated against in vitro and in vivo kinetic data sets with IR MPH...
2016: PloS One
G Jeanne, D Purper-Ouakil, H Rigole, N Franc
AIM: There have been significant changes in adolescent consumption habits over the past fifteen years. New molecules have been synthesized, new devices created and a number of products have increased in popularity; and as a result clinicians sometimes lack information. We chose to focus on this population because of its vulnerability, as adolescents show low sensitivity to long-term outcomes of their actions and may be easily influenced by peers as regards experimentation of new drugs...
October 6, 2016: L'Encéphale
Zhenyang Jiang, Harriet Butler-Bowen, Teresa Rodriguez, Marie C Garcon, Melissa Hennessey Smith, Valerie Relias, Muhammad Wasif Saif
BACKGROUND: Fatigue is a common but devastating symptom for advanced pancreatic cancer (APC) patients. To date, no proven treatment exists. Methylphenidate (MPH) showed inconsistent results in treating other cancer related fatigue. We performed a retrospective study to assess MPH in ameliorating fatigue in APC patients. METHODS: We retrospectively reviewed our clinic APC patients' records who visited from 06/2011 - 11/2014. Fatigue was assessed by Visual Analog Fatigue Scale (VAFS) and classified as grade 1 (VAFS 1-3), grade 2 (VAFS 4-6) and grade 3 (VAFS 7-10) to correspond with CTCAE V4...
October 2016: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
Elisa D'Agati, Mariabernarda Pitzianti, Emanuela Balestrieri, Claudia Matteucci, Paola Sinibaldi Vallebona, Augusto Pasini
Human endogenous retroviruses (HERVs) have been associated with many complex diseases including neuropsychiatric diseases, such as attention deficit hyperactivity disorder (ADHD). In ADHD an over-expression of HERV-H family in peripheral blood mononuclear cells has been documented. It has been hypothesized that HERVs may represent the link between genetic and environmental risk factors, contributing to the clinical onset and/or to the progression of the neurodevelopmental disease. The effect of pharmacological treatment on HERV transcriptional activity in psychiatric disorders has been attracting attention...
July 2016: New Microbiologica
Mohammad Reza Mohammadi, Ali Akbar Soleimani, Nastaran Ahmadi, Elham Davoodi
Attention deficit hyperactivity disorder (ADHD) is one of the most common psychological disorders of childhood. Methylphenidate is highly effective in the treatment of ADHD. This study aimed to determine the effectiveness of combined Parent behavioral management training (PBMT) and medication treatment (Methylphenidate) in reducing ADHD symptoms in 6-12-year-old children, using randomized sampling. A total of 50 children with ADHD were assigned into two groups: an experimental group of PBMT and a control group of medication treatment (Methylphenidate) without other interventions...
August 2016: Acta Medica Iranica
Alexa Gomez, Alexandra N Petrucci, Lauren Dance, Jessica Morales Valenzuela, Nicole Gibbs, Cara C Dahlhausen, Jessica R Villatoro, Russell F Frohardt, Fay A Guarraci
The present study was designed to test the effects of an acute, high dose of methylphenidate (MPH; trademarked as Ritalin) on sexual behavior in female Long-Evans rats. In Experiment 1, naturally cycling subjects in estrus were tested for partner preference 20 min after receiving an i.p. injection of MPH 10.0 mg/kg (n=8) or saline (n=7). During the partner-preference test, female subjects were given the choice to interact with a sexually active male stimulus or a sexually receptive female stimulus. Physical contact was limited by placing the stimulus animals behind a wire mesh during the no-contact phase of the test, whereas physical contact was not limited during the contact phase...
September 27, 2016: Pharmacology, Biochemistry, and Behavior
Mariabernarda Pitzianti, Elisa D'Agati, Livia Casarelli, Marco Pontis, Ivo Kaunzinger, Klaus W Lange, Oliver Tucha, Paolo Curatolo, Augusto Pasini
INTRODUCTION: Inattention is one of the core symptoms of Attention Deficit Hyperactivity Disorder (ADHD). Most of patients with ADHD show motor impairment, consisting in the persistence of neurological soft signs (NSS). Our aim was to evaluate attentional and motor functioning in an ADHD sample and healthy children (HC) and possible link between attentional dysfunction and motor impairment in ADHD. METHOD: Twenty-seven drug-naive patients with ADHD and 23 HC were tested with a test battery, measuring different aspects of attention...
October 1, 2016: Cognitive Neuropsychiatry
Alexander Viktorin, Eleonore Rydén, Michael E Thase, Zheng Chang, Cecilia Lundholm, Brian M D'Onofrio, Catarina Almqvist, Patrik K E Magnusson, Paul Lichtenstein, Henrik Larsson, Mikael Landén
OBJECTIVE: The authors sought to determine the risk of treatment-emergent mania associated with methylphenidate, used in monotherapy or with a concomitant mood-stabilizing medication, in patients with bipolar disorder. METHOD: Using linked Swedish national registries, the authors identified 2,307 adults with bipolar disorder who initiated therapy with methylphenidate between 2006 and 2014. The cohort was divided into two groups: those with and those without concomitant mood-stabilizing treatment...
October 3, 2016: American Journal of Psychiatry
Lisa L Weyandt, Danielle R Oster, Marisa E Marraccini, Bergljot Gyda Gudmundsdottir, Bailey A Munro, Emma S Rathkey, Alison McCallum
Prescription stimulants, including methylphenidate (e.g., Ritalin) and amphetamine compounds (e.g., dextroamphetamine; Adderall), have been approved by the U.S. Food and Drug Administration for the treatment of attention-deficit/hyperactivity disorder (ADHD) and are classified by the United States Drug Enforcement Administration as Schedule II medications because of their high potential for abuse and dependence (Drug Enforcement Administration, U.S. Department of Justice, 2015). Despite the potential health and judicial consequences, misuse of prescription stimulants, typically defined as taking stimulants without a valid prescription, or use of stimulants other than as prescribed, has become a serious problem in the United States and abroad, especially on college campuses...
October 2016: Experimental and Clinical Psychopharmacology
Joel King, Nathan Dowling, Fiona Leow
OBJECTIVES: We describe a case whereby a 15-year-old female with treatment-resistant obsessive-compulsive disorder (OCD) was treated with methylphenidate for co-morbid attention deficit hyperactivity disorder (ADHD). The ADHD-OCD co-morbidity has often been overlooked clinically due to conflicting opinions about their underlying neurobiology and treatment options. CONCLUSIONS: In this adolescent with co-morbid ADHD and OCD, we observed that the adjunctive use of methylphenidate resulted in enhanced treatment response to both psychological and pharmacological interventions for OCD...
September 28, 2016: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
Majid Motaghinejad, Manijeh Motevalian, Behnaz Shabab, Sulail Fatima
Methylphenidate (MPH) is a stimulatory agent in brain with unknown long-term consequences. In this study, MPH-induced neurodegeneration in adult rat brain was assessed. Rats were acutely treated with different doses of MPH. Open Field Test was used to investigate anxiety and depression levels. Inflammatory factors and anti-oxidant activity were also evaluated in isolated hippocampus and cerebral cortex. MPH treated groups (10 and 20 mg/kg) demonstrated anxiety and depression like behavior in OFT. MPH significantly increased lipid peroxidation, GSSG level, IL-1β and TNF-α in isolated tissues...
September 28, 2016: Journal of Neural Transmission
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