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European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology

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https://www.readbyqxmd.com/read/27919523/adjunctive-minocycline-for-schizophrenia-a-meta-analysis-of-randomized-controlled-trials
#1
Ying-Qiang Xiang, Wei Zheng, Shi-Bin Wang, Xin-Hu Yang, Dong-Bin Cai, Chee H Ng, Gabor S Ungvari, Deanna L Kelly, Wei-Ying Xu, Yu-Tao Xiang
This study aimed to conduct a meta-analysis of the efficacy and safety of adjunctive minocycline for schizophrenia. Randomized controlled trials (RCTs) comparing adjunctive minocycline with placebo in patients with schizophrenia were included in the meta-analysis. Two independent investigators extracted and synthesized data. Standard mean differences (SMDs), risk ratio (RR) ±95% confidence intervals (CIs) and the number-needed-to-harm (NNH) were calculated. Eight RCTs with 548 schizophrenia patient including 286 (52...
December 2, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27914751/the-association-between-premorbid-cognitive-ability-and-social-functioning-and-suicide-among-young-men-a-historical-prospective-cohort-study
#2
Mark Weiser, Daphna Fenchel, Nomi Werbeloff, Shira Goldberg, Eyal Fruchter, Abraham Reichenberg, Shimon Burshtein, Matthew Large, Michael Davidson, Gad Lubin
Previous studies have found associations between low cognitive ability and later completed suicide. The aim of this study was to examine the association between cognitive ability and social functioning in adolescence, and later completed suicide in a large population-based longitudinal study. Data from the Israeli Draft Board Register for 634,655 Israeli male adolescents aged 16 and 17 was linked to a causes-of-death data registry, with a mean follow-up of 10.6 years for completed suicide. Our results show that in males without a psychiatric diagnosis, both low (adjusted HR=1...
November 30, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27908572/significant-treatment-effect-of-add-on-ketamine-anesthesia-in-electroconvulsive-therapy-in-depressive-patients-a-meta-analysis
#3
Dian-Jeng Li, Fu-Chiang Wang, Che-Sheng Chu, Tien-Yu Chen, Chia-Hung Tang, Wei-Cheng Yang, Philip Chik-Keung Chow, Ching-Kuan Wu, Ping-Tao Tseng, Pao-Yen Lin
Add-on ketamine anesthesia in electroconvulsive therapy (ECT) has been studied in depressive patients in several clinical trials with inconclusive findings. Two most recent meta-analyses reported insignificant findings with regards to the treatment effect of add-on ketamine anesthesia in ECT in depressive patients. The aim of this study is to update the current evidence and investigate the role of add-on ketamine anesthesia in ECT in depressive patients via a systematic review and meta-analysis. We performed a thorough literature search of the PubMed and ScienceDirect databases, and extracted all relevant clinical variables to compare the antidepressive outcomes between add-on ketamine anesthesia and other anesthetics in ECT...
November 28, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27890541/the-expression-of-plasticity-related-genes-in-an-acute-model-of-stress-is-modulated-by-chronic-desipramine-in-a-time-dependent-manner-within-medial-prefrontal-cortex
#4
Nicoletta Nava, Giulia Treccani, Heidi Kaastrup Müller, Maurizio Popoli, Gregers Wegener, Betina Elfving
It is well established that stress plays a major role in the pathogenesis of neuropsychiatric diseases. Stress-induced alteration of synaptic plasticity has been hypothesized to underlie the morphological changes observed by neuroimaging in psychiatric patients in key regions such as hippocampus and prefrontal cortex (PFC). We have recently shown that a single acute stress exposure produces significant short-term alterations of structural plasticity within medial PFC. These alterations were partially prevented by previous treatment with chronic desipramine (DMI)...
November 24, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27890540/association-of-plasma-calcium-concentrations-with-alcohol-craving-new-data-on-potential-pathways
#5
Rilana Schuster, Anne Koopmann, Martin Grosshans, Iris Reinhard, Rainer Spanagel, Falk Kiefer
Recently, calcium was suggested to be the active moiety of acamprosate. We examined plasma calcium concentrations in association with severity of alcohol dependence and its interaction with regulating pathways and alcohol craving in alcohol-dependent patients. 47 inpatient alcohol-dependent patients undergoing detoxification treatment underwent laboratory testing, including calcium, sodium, liver enzymes as well as serum concentrations of calcitonin, parathyroid hormone and vitamin D. The psychometric dimension of craving was analyzed with the Obsessive Compulsive Drinking Scale (OCDS)...
November 24, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27890539/the-potential-of-individual-patient-data-for-research-on-antidepressant-safety-and-efficacy
#6
LETTER
Ymkje Anna de Vries, Annelieke M Roest, Peter de Jonge
No abstract text is available yet for this article.
November 24, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27887861/bias-in-the-reporting-of-harms-in-clinical-trials-of-second-generation-antidepressants-the-tip-of-the-iceberg
#7
Alain Braillon, Florian Naudet
Serious adverse events are poorly reported in clinical trials of second-generation antidepressants. Moreover some key opinion leaders (eg. in France) deliberately failed to warn against them. The gross distortions of antidepressants' benefit:harm ratio in adolescents showed evidence that open science (ie access to de-identified individual patient data for re-analyses) is a mandatory prerequisite for a trustworthy science.
November 22, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27887860/modeling-the-development-of-panic-disorder-with-interoceptive-conditioning
#8
Klara De Cort, Mathias Schroijen, Rene Hurlemann, Suzanne Claassen, Jojanneke Hoogenhout, Omer Van den Bergh, Liesbet Goossens, Ilse Van Diest, Koen Schruers
Panic disorder is characterized by the paroxysmal occurrence and fear of bodily symptoms. In recent years it has been proposed that patients "learn" to fear cardiorespiratory sensations through interoceptive conditioning. This study sought to model the initial stage of this process in healthy volunteers (N=44) using mild cardiac sensations. An additional aim was to explore whether anxiety sensitivity - a known risk factor for panic disorder - modulates such interoceptive learning. Infusions of pentagastrin and saline were used to manipulate the presence versus absence of cardiac sensations, respectively, and served as conditioned stimuli in a differential interoceptive conditioning paradigm...
November 22, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27887859/olanzapine-modulation-of-long-and-short-range-functional-connectivity-in-the-resting-brain-in-a-sample-of-patients-with-schizophrenia
#9
Wenbin Guo, Feng Liu, Jindong Chen, Renrong Wu, Lehua Li, Zhikun Zhang, Jingping Zhao
Treatment effects of antipsychotic drugs on cerebral function are seldom examined. Exploring functional connectivity (FC) in drug-free schizophrenia patients before and after antipsychotic treatment can improve the understanding of antipsychotic drug mechanisms. A total of 17 drug-free patients with recurrent schizophrenia and 24 healthy controls underwent resting-state functional magnetic resonance imaging scans. Long- and short-range FC strengths (FCS) were calculated for each participant. Compared with the controls, the patients at baseline exhibited increased long-range positive FCS (lpFCS) in the bilateral inferior parietal lobule (IPL) and decreased lpFCS in the brain regions of the default-mode network (DMN) regions and sensorimotor circuits of the brain...
November 22, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27842941/the-impact-of-second-generation-antipsychotics-on-insight-in-schizophrenia-results-from-14-randomized-placebo-controlled-trials
#10
Taina Mattila, Maarten Koeter, Tamar Wohlfarth, Jitschak Storosum, Wim van den Brink, Eske Derks, Hubertus Leufkens, Damiaan Denys
Despite the negative impact of lack of insight on the prognosis, general functioning and treatment adherence, the effect of antipsychotic medication on insight has been investigated only in small samples and uncontrolled studies. In this study we examine whether previously reported effects of antipsychotics on insight from uncontrolled studies can be confirmed in a database including 14 randomized, double-blind, placebo-controlled trials. The database contained placebo-controlled RCTs of five second-generation antipsychotics (SGAs: olanzapine, paliperidone, quetiapine, risperidone and sertindole) and included a total of 4243 patients with schizophrenia...
November 11, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27720500/stimuli-associated-with-the-presence-or-absence-of-amphetamine-regulate-cytoskeletal-signaling-and-behavior
#11
Bryan F Singer, Nancy Bubula, Magdalena M Przybycien-Szymanska, Dongdong Li, Paul Vezina
Drug-paired stimuli rapidly enlarge dendritic spines in the nucleus accumbens (NAcc). While increases in spine size and shape are supported by rearrangement of the actin cytoskeleton and facilitate the synaptic expression of AMPA-type glutamate receptors, it remains unclear whether drug-related stimuli can influence signaling pathways known to regulate these changes in spine morphology. These pathways were studied in rats trained on a discrimination learning paradigm using subcellular fractionation and protein immunoblotting to isolate proteins within dendritic spine compartments in the NAcc shell...
October 6, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27712862/chemogenetic-activation-of-dopamine-neurons-in-the-ventral-tegmental-area-but-not-substantia-nigra-induces-hyperactivity-in-rats
#12
Linde Boekhoudt, Azar Omrani, Mieneke C M Luijendijk, Inge G Wolterink-Donselaar, Ellen C Wijbrans, Geoffrey van der Plasse, Roger A H Adan
Hyperactivity is a core symptom in various psychiatric disorders, including attention-deficit/hyperactivity disorder, schizophrenia, bipolar disorders, and anorexia nervosa. Although hyperactivity has been linked to dopaminergic signalling, the causal relationship between midbrain dopamine neuronal activity and locomotor hyperactivity remains unknown. In this study, we test whether increased dopamine neuronal activity is sufficient to induce locomotor hyperactivity. To do so, we used designer receptors exclusively activated by designer drugs (DREADD) to chemogenetically enhance neuronal activity in two main midbrain dopamine neuron populations, i...
October 3, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27707535/network-analysis-of-the-quick-inventory-of-depressive-symptomatology-reanalysis-of-the-star-d-clinical-trial
#13
Manisha Madhoo, Stephen Z Levine
Network analysis is yet to be used to examine patient-reported symptom severity and change during citalopram treatment for major depressive disorder. We aimed to identify: (I) network systems; (II) central symptoms; and (III) network differences, in patient-reported depression for baseline, endpoint and change scores. STAR*D data during citalopram treatment were reanalyzed to examine depression based on the Quick Inventory of Depressive Symptomatology Self-Report (QIDS-SR). Network analyses were computed from the QIDS-SR item-level severity scores at baseline and endpoint, and from estimated change scores based on mixed models, adjusted for confounding by dose and baseline severity...
October 1, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27667705/attention-deficit-hyperactivity-disorder-comorbidity-and-antidepressant-resistance-among-patients-with-major-depression-a-nationwide-longitudinal-study
#14
Mu-Hong Chen, Tai-Long Pan, Ju-Wei Hsu, Kai-Lin Huang, Tung-Ping Su, Cheng-Ta Li, Wei-Chen Lin, Shih-Jen Tsai, Wen-Han Chang, Tzeng-Ji Chen, Ya-Mei Bai
The comorbidity between attention deficit hyperactivity disorder (ADHD) and major depression is common. However, the influence of ADHD comorbidity in the response or resistance to antidepressants remains unknown among patients with major depression. 1891 patients with major depression and ADHD and 1891 age-/sex-matched patients with major depression only were enrolled and followed for 1 year in our study. Use of antidepressants and ADHD medications during 1-year follow-up period were assessed. Antidepressant resistance was defined as treatment failure in two or more than two different antidepressants for adequate treatment dose and duration...
September 22, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27665062/the-association-of-antipsychotic-medication-and-lithium-with-brain-measures-in-patients-with-bipolar-disorder
#15
Lucija Abramovic, Marco P M Boks, Annabel Vreeker, Diandra C Bouter, Caitlyn Kruiper, Sanne Verkooijen, Annet H van Bergen, Roel A Ophoff, René S Kahn, Neeltje E M van Haren
There is evidence that brain structure is abnormal in patients with bipolar disorder. Lithium intake appears to ׳normalise׳ global and local brain volumes, but effects of antipsychotic medication on brain volume or cortical thickness are less clear. Here, we aim to disentangle disease-specific brain deviations from those induced by antipsychotic medication and lithium intake using a large homogeneous sample of patients with bipolar disorder type I. Magnetic resonance imaging brain scans were obtained from 266 patients and 171 control subjects...
September 21, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27665061/the-allosteric-citalopram-binding-site-differentially-interferes-with-neuronal-firing-rate-and-sert-trafficking-in-serotonergic-neurons
#16
Friederike Matthäus, Nasser Haddjeri, Connie Sánchez, Yasmina Martí, Senda Bahri, Renaud Rovera, Patrick Schloss, Thorsten Lau
Citalopram is a clinically applied selective serotonin re-uptake inhibitor for antidepressant pharmacotherapy. It consists of two enantiomers, S-citalopram (escitalopram) and R-citalopram, of which escitalopram exerts the antidepressant therapeutic effect and has been shown to be one of the most efficient antidepressants, while R-citalopram antagonizes escitalopram via an unknown molecular mechanism that may depend on binding to a low-affinity allosteric binding site of the serotonin transporter. However, the precise mechanism of antidepressant regulation of the serotonin transporter by citalopram enantiomers still remains elusive...
September 21, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27659240/bias-in-the-reporting-of-harms-in-clinical-trials-of-second-generation-antidepressants-for-depression-and-anxiety-a-meta-analysis
#17
Ymkje Anna de Vries, Annelieke M Roest, Lian Beijers, Erick H Turner, Peter de Jonge
Previous research has shown that reporting bias has inflated the apparent efficacy of antidepressants. We investigated whether apparent safety was also affected. We included 133 trials, involving 31,296 patients, of second-generation antidepressants for the treatment of major depressive disorder (MDD) or anxiety disorders, obtained from Food and Drug Administration (FDA) reviews. We extracted data on overall discontinuation, discontinuation due to adverse events, and serious adverse events (SAEs). Meta-analysis was used to compare discontinuation rates between FDA reviews and matching journal articles, while SAEs were compared qualitatively...
September 19, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27642078/pleiotrophin-overexpression-regulates-amphetamine-induced-reward-and-striatal-dopaminergic-denervation-without-changing-the-expression-of-dopamine-d1-and-d2-receptors-implications-for-neuroinflammation
#18
Marta Vicente-Rodríguez, Loreto Rojo Gonzalez, Esther Gramage, Rosalía Fernández-Calle, Ying Chen, Carmen Pérez-García, Marcel Ferrer-Alcón, María Uribarri, Alexis Bailey, Gonzalo Herradón
It was previously shown that mice with genetic deletion of the neurotrophic factor pleiotrophin (PTN-/-) show enhanced amphetamine neurotoxicity and impair extinction of amphetamine conditioned place preference (CPP), suggesting a modulatory role of PTN in amphetamine neurotoxicity and reward. We have now studied the effects of amphetamine (10mg/kg, 4 times, every 2h) in the striatum of mice with transgenic PTN overexpression (PTN-Tg) in the brain and in wild type (WT) mice. Amphetamine caused an enhanced loss of striatal dopaminergic terminals, together with a highly significant aggravation of amphetamine-induced increase in the number of GFAP-positive astrocytes, in the striatum of PTN-Tg mice compared to WT mice...
September 15, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27642077/reduced-serotonin-synthesis-and-regional-cerebral-blood-flow-after-anxiolytic-treatment-of-social-anxiety-disorder
#19
Andreas Frick, Fredrik Åhs, Lieuwe Appel, My Jonasson, Kurt Wahlstedt, Massimo Bani, Emilio Merlo Pich, Paolo Bettica, Bengt Långström, Mark Lubberink, Mats Fredrikson, Tomas Furmark
Social anxiety disorder (SAD) is associated with increased fear-related neural activity in the amygdala and we recently found enhanced serotonin synthesis rate in the same region. Anxiolytic agents like selective serotonin re-uptake inhibitors (SSRIs) and neurokinin-1 receptor (NK1R) antagonists reduce amygdala activity and may attenuate serotonin formation according to animal studies. Here, we examined the effects of SSRI pharmacotherapy, NK1R antagonism, and placebo on serotonin synthesis rate in relation to neural activity, measured as regional cerebral blood flow (rCBF), and symptom improvement in SAD...
September 15, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27876183/electroconvulsive-therapy-selectively-enhances-amyloid-%C3%AE-1-42-in-the-cerebrospinal-fluid-of-patients-with-major-depression-a-prospective-pilot-study
#20
Laura Kranaster, Suna Su Aksay, Jan Malte Bumb, Christoph Janke, Angelika Alonso, Carolin Hoyer, Inga Zerr, Matthias Schmitz, Lucrezia Hausner, Lutz Frölich, Alexander Sartorius
A complex interplay between β-amyloid (Aβ), Alzheimer׳s disease (AD) and major depression disorder (MDD) suggests that patients with MDD have an altered cerebral Aβ metabolism and an increased risk of developing AD. In order to elucidate the relationship between antidepressant treatment and Aβ metabolism in humans, we performed a study on Aβ peptides in the cerebrospinal fluid (CSF) in patients with MDD during electroconvulsive therapy (ECT) as an effective antidepressant treatment. We measured the levels of Aβ1-42, Aβ1-40 and of tau proteins in the CSF in 12 patients with MDD before and after a course of ECT...
December 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
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