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Human Psychopharmacology

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https://www.readbyqxmd.com/read/28421639/cilostazol-adjunctive-therapy-in-treatment-of-negative-symptoms-in-chronic-schizophrenia-randomized-double-blind-placebo-controlled-study
#1
Farzin Rezaei, Bita Mesgarpour, Alireza Jeddian, Atefeh Zeionoddini, Payam Mohammadinejad, Elaheh Salardini, Mona Shahriari, Arefeh Zeinoddini, Shahin Akhondzadeh
OBJECTIVE: To evaluate the efficacy and safety of cilostazol, a selective inhibitor of phosphodiesterase III, as an adjunctive to risperidone in alleviating the negative symptoms of schizophrenia. METHODS: Eighty-four in-patients with diagnosis of chronic schizophrenia participated in a randomized, placebo-controlled trial and underwent 8 weeks of treatment with either cilostazol (50 mg twice a day) or placebo as an adjuvant to risperidone. Participants were assessed using the positive and negative syndrome scale (PANSS) at baseline and at weeks 2, 4, 6, and 8...
April 18, 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28370311/diagnostic-clusters-associated-with-an-early-onset-schizophrenia-diagnosis-among-children-and-adolescents
#2
Jeanette M Jerrell, Roger S McIntyre, Chelsea B Deroche
OBJECTIVE: Given the greater severity and chronicity of psychiatric disorders that first declare in individuals under the age of 18, early onset schizophrenia (EOS) and its association with co-occurring psychiatric conditions deserve further investigation. METHODS: Cluster and discriminant analyses were used to examine the heterogeneity of children and adolescents diagnosed with schizophrenia in 1 statewide system of care. A retrospective cohort design was employed, using South Carolina's (USA) Medicaid claims dataset covering outpatient and inpatient medical services between January, 1999 and December, 2013 to identify patients ≤17 years of age...
March 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28370310/pharmacotherapy-effectiveness-for-clinical-subgroups-among-children-and-adolescents-with-early-onset-schizophrenia
#3
Jeanette M Jerrell, Roger S McIntyre, Chelsea B Deroche
OBJECTIVE: This study aims to determine the effectiveness of pharmacotherapies among children and adolescents diagnosed with early onset schizophrenia subgrouped according to their co-occurring psychiatric disorders. METHODS: A retrospective cohort design was employed, using South Carolina's (USA) Medicaid claims dataset covering outpatient and inpatient medical services, between January, 1999 and December, 2013 to identify patients ≤17 years of age. Random effects regression analyses assessed differential changes in acute psychiatric service utilization over time across the 3 subgroups associated with antipsychotic, mood stabilizer, psychostimulant, or antidepressant pharmacotherapy...
March 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28370309/long-term-antipsychotic-use-and-brain-changes-in-schizophrenia-a-systematic-review-and-meta-analysis
#4
REVIEW
Sanna Huhtaniska, Erika Jääskeläinen, Noora Hirvonen, Jukka Remes, Graham K Murray, Juha Veijola, Matti Isohanni, Jouko Miettunen
OBJECTIVE: The association between long-term antipsychotic treatment and changes in brain structure in schizophrenia is unclear. Our aim was to conduct a systematic review and a meta-analysis on long-term antipsychotic effects on brain structures in schizophrenia focusing on studies with at least 2 years of follow-up between MRI scans. DESIGN: Studies were systematically collected using 4 databases, and we also contacted authors for unpublished data. We calculated correlations between antipsychotic dose and/or type and brain volumetric changes and used random effect meta-analysis to study correlations by brain area...
March 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28370308/prescribing-in-schizophrenia-and-psychosis-increasing-polypharmacy-over-time
#5
Adrian Heald, Mark Livingston, Alison Yung, M A De Hert
INTRODUCTION: Diabetes, obesity, and metabolic syndrome are highly prevalent in patients with severe mental illness. Psychotropic polypharmacy is becoming increasingly prevalent within the UK. We determined the change in the number of psychotropic medications prescribed over time and trends in weight and fasting blood glucose. METHODS: One hundred ninety-five individuals with schizophrenia and psychosis on the Severe Mental Illness Register in Cheshire, UK, were followed up between 2004 and 2012...
March 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28370307/open-label-proof-of-concept-study-of-brexanolone-in-the-treatment-of-severe-postpartum-depression
#6
Stephen J Kanes, Helen Colquhoun, James Doherty, Shane Raines, Ethan Hoffmann, David R Rubinow, Samantha Meltzer-Brody
OBJECTIVE: Preclinical evidence indicates that rapid changes in levels of allopregnanolone, the predominant metabolite of progesterone, confer dramatic behavioral changes and may trigger postpartum depression (PPD) in some women. Considering the pathophysiology of PPD (i.e., triggered by reproductive steroids), the need for fast-acting, efficacious treatments and the negative consequences of untreated PPD, there is an increasing focus on developing PPD therapies. Brexanolone (USAN; formerly SAGE-547 Injection), a proprietary injectable allopregnanolone formulation, was evaluated as a treatment for severe PPD in a proof-of-concept, open-label study...
March 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28332719/rs7968606-polymorphism-of-anks1b-is-associated-with-improvement-in-the-panss-general-score-of-schizophrenia-caused-by-amisulpride
#7
Seung-Gul Kang, Ik-Seung Chee, Kwanghun Lee, Jonghun Lee
A recent genome-wide pharmacogenomics study showed that the rs7968606 single-nucleotide polymorphism (SNP) of the ankyrin repeat and sterile alpha motif domain-containing protein 1B (ANKS1B) gene approached the threshold of statistical significance. The aim of this study was to determine the association between the rs7968606 SNP of ANKS1B and the treatment response to amisulpride in schizophrenia patients. In total, 154 participants were enrolled from six university hospitals in Korea. All the subjects were interviewed before and after 6 weeks of amisulpride treatment with the aid of the positive and negative syndrome scale and the clinical global impression-severity scale...
March 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28120489/association-study-between-the-neurexin-1-gene-and-tardive-dyskinesia
#8
Rachel Lanning, Tristram A Lett, Arun K Tiwari, Eva J Brandl, Vincenzo de Luca, Aristotle N Voineskos, Steven G Potkin, Jeffrey A Lieberman, Herbert Y Meltzer, Daniel J Müller, Gary Remington, James L Kennedy, Clement C Zai
OBJECTIVE: Tardive dyskinesia (TD) is a motor side effect that may develop after long-term antipsychotic treatment. Schizophrenia has recently been associated with the Neurexin-1 (NRXN1) gene that codes for a cell adhesion molecule in synaptic communication. METHODS: This study examined five NRXN1 single-nucleotide polymorphisms (SNPs) for possible association with the occurrence and severity of TD in 178 schizophrenia patients of European ancestry. RESULTS: We did not find these SNPs to be significantly associated with TD...
January 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28120488/the-factor-structure-of-the-mystical-experience-questionnaire-meq-reply-to-bouso-et-al-2016
#9
LETTER
Frederick S Barrett, Roland R Griffiths
No abstract text is available yet for this article.
January 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28120487/adjunctive-antidepressant-use-in-schizophrenia-in-china-a-national-survey-2002-2012
#10
Qian Li, Yun-Ai Su, Yu-Tao Xiang, Liang Shu, Xin Yu, Gabor S Ungvari, Chee H Ng, Helen F K Chiu, Yu-Ping Ning, Gao-Hua Wang, Ke-Rang Zhang, Tao Li, Li-Zhong Sun, Jian-Guo Shi, Xian-Sheng Chen, Qi-Yi Mei, Ke-Qing Li, Tian-Mei Si
OBJECTIVE: This study examined the pattern of adjunctive antidepressant use in schizophrenia patients and its demographic and clinical correlates in a nationwide survey in China. METHODS: Fourteen thousand and thirteen patients in 45 Chinese psychiatric hospitals or centers were interviewed (4,486 in 2002, 5,288 in 2006, and 4,239 in 2012). Patients' sociodemographic and clinical characteristics were recorded using a standardized protocol and data collection procedure...
January 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28120486/a-phase-i-randomized-proof-of-clinical-mechanism-study-assessing-the-pharmacokinetics-and-pharmacodynamics-of-the-oral-pde9a-inhibitor-bi-409306-in-healthy-male-volunteers
#11
Katja Boland, Viktoria Moschetti, Chantaratsamon Dansirikul, Solen Pichereau, Lien Gheyle, Frank Runge, Heike Zimdahl-Gelling, Michael Sand
OBJECTIVE: Cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase (PDE) inhibitors are hypothesized to improve cognition in schizophrenia and Alzheimer disease by increasing cGMP levels in certain brain regions. This phase I, randomized, parallel-group, double-blind, placebo-controlled study provides proof-of-mechanism evidence for BI 409306, a novel, oral PDE9A inhibitor. METHODS: In healthy males, exposure of BI 409306 (25-, 50-, 100-, and 200-mg single dose) and placebo was assessed in plasma and cerebrospinal fluid (CSF)...
January 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28120485/effects-of-acute-buspirone-administration-on-inhibitory-control-and-sexual-discounting-in-cocaine-users
#12
Justin C Strickland, B Levi Bolin, Michael R Romanelli, Craig R Rush, William W Stoops
OBJECTIVE: Cocaine users display deficits in inhibitory control and make impulsive choices that may increase risky behavior. Buspirone is an anxiolytic that activates dopaminergic and serotonergic systems and improves impulsive choice (i.e., reduces sexual risk-taking intent) in cocaine users when administered chronically. We evaluated the effects of acutely administered buspirone on inhibitory control and impulsive choice. METHODS: Eleven subjects with a recent history of cocaine use completed this within-subject, placebo-controlled study...
January 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28120484/the-factor-structure-of-the-mystical-experience-questionnaire-meq-reply-to-barrett-griffiths-2016
#13
LETTER
José Carlos Bouso, Eduardo José Pedrero-Pérez, Sam Gandy, Miguel Ángel Alcázar-Córcoles
No abstract text is available yet for this article.
January 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/27925280/association-between-overall-rate-of-change-in-rising-breath-alcohol-concentration-and-the-magnitude-of-acute-tolerance-of-subjective-intoxication-via-the-mellanby-method
#14
David H Morris, Michael T Amlung, Chia-Lin Tsai, Denis M McCarthy
OBJECTIVE: The magnitude of acute tolerance is a strong predictor of the development of longer-term chronic tolerance and plays a decisive role in risky decisions (e.g., driving after drinking). Therefore, it is important to identify factors that increase the magnitude of this adaptive process. This study explored whether acute tolerance magnitude varied as a function of the overall rate of increase in breath alcohol concentration (BrAC). METHODS: Twenty-nine young adult social drinkers (M age = 22...
January 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/27925283/haloperidol-increases-false-recognition-memory-of-thematically-related-pictures-in-healthy-volunteers
#15
Regina V Guarnieri, Luciano G Buratto, Carlos F A Gomes, Rafaela L Ribeiro, Altay A Lino de Souza, Lilian M Stein, José C Galduróz, Orlando F A Bueno
Dopamine can modulate long-term episodic memory. Its potential role on the generation of false memories, however, is less well known. In a randomized, double-blind, placebo-controlled experiment, 24 young healthy volunteers ingested a 4-mg oral dose of haloperidol, a dopamine D2 -receptor antagonist, or placebo, before taking part in a recognition memory task. Haloperidol was active during both study and test phases of the experiment. Participants in the haloperidol group produced more false recognition responses than those in the placebo group, despite similar levels of correct recognition...
December 7, 2016: Human Psychopharmacology
https://www.readbyqxmd.com/read/27859669/effectiveness-of-agomelatine-on-anhedonia-in-depressed-patients-an-outpatient-open-label-real-world-study
#16
Pedro Damian Gargoloff, Ricardo Corral, Luis Herbst, Miguel Marquez, Giovanni Martinotti, Pedro Rafael Gargoloff
OBJECTIVE: The aim of this real-world study was to evaluate the effect of agomelatine on anhedonia as primary endpoint in outpatients under treatment of major depressive episodes. METHODS: The study was an open-label, multicenter, 8-week phase IV trial. Two hundred fifty-seven (257) patients were recruited, and 143 patients were included in the analysis. Agomelatine was administered orally as a 25-mg tablet. The dose could be increased to 50 mg after 2 weeks of treatment...
November 2016: Human Psychopharmacology
https://www.readbyqxmd.com/read/27859668/the-effects-of-olanzapine-treatment-on-brain-regional-glucose-metabolism-in-neuroleptic-naive-first-episode-schizophrenic-patients
#17
Hirofumi Yoshimuta, Masayuki Nakamura, Eisuke Kanda, Seigo Fujita, Kouzou Takeuchi, Toshiro Fujimoto, Yoshiaki Nakabeppu, Yasuaki Akasaki, Akira Sano
OBJECTIVE: The current study examined metabolic alterations associated with a positive response to olanzapine and identified brain regions associated with treatment-related improvement of symptoms in neuroleptic-naive first-episode schizophrenic patients using [(18) F]fluoro-deoxy-glucose positron emission tomography analysis. METHODS: Neuroleptic-naive first-episode schizophrenic patients who showed good or poor clinical responses to olanzapine were assessed using the Positive and Negative Syndrome Scale...
November 2016: Human Psychopharmacology
https://www.readbyqxmd.com/read/27859667/seasonal-variations-in-3-h-citalopram-platelet-binding-between-healthy-controls-and-violent-offenders-in-finland
#18
(no author information available yet)
No abstract text is available yet for this article.
November 2016: Human Psychopharmacology
https://www.readbyqxmd.com/read/27859666/effectiveness-of-atomoxetine-and-methylphenidate-for-problematic-online-gaming-in-adolescents-with-attention-deficit-hyperactivity-disorder
#19
Jeong Ha Park, Young Sik Lee, Ji Hyun Sohn, Doug Hyun Han
OBJECTIVE: There is a high prevalence of problematic online gaming in adolescents with attention deficit hyperactivity disorder (ADHD). In the current study, we compared the effectiveness of atomoxetine (ATM) and methylphenidate (MPH) on problematic online gaming in adolescents with ADHD. METHODS: We recruited 86 adolescents diagnosed with ADHD together with Internet gaming disorder. These participants were divided into two treatment groups: 44 participants were treated with MPH for 12 weeks, and 42 participants were treated with ATM for 12 weeks...
November 2016: Human Psychopharmacology
https://www.readbyqxmd.com/read/27859665/attentional-biases-in-patients-with-alcohol-dependence-influence-of-coexisting-psychopathology
#20
Julia M A Sinclair, Matthew Garner, Sonja C Pasche, Thomas B Wood, David S Baldwin
OBJECTIVE: The effects of coexisting psychopathology on disorder-specific attentional biases in patients with alcohol dependence are uncertain. We undertook a cross-sectional study assessing attentional biases to alcohol-, depression-, and anxiety- related stimuli using the visual probe task in patients with alcohol dependence, attending a community alcohol service. METHODS: Using the visual probe task, we presented disorder-specific words (relating to alcohol, anxiety, and depression) for 500 ms and measured reaction times...
November 2016: Human Psychopharmacology
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