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https://www.readbyqxmd.com/read/29915922/clinical-pharmacokinetics-of-atypical-antipsychotics-an-update
#1
REVIEW
Massimo Carlo Mauri, Silvia Paletta, Chiara Di Pace, Alessandra Reggiori, Giovanna Cirnigliaro, Isabel Valli, Alfredo Carlo Altamura
Therapeutic drug monitoring studies have generally concentrated on controlling compliance and avoiding side effects by maintaining long-term exposure to minimally effective blood concentrations. The rationale for using therapeutic drug monitoring in relation to second-generation antipsychotics is still being discussed at least with regard to the real clinical utility, but there is evidence that it can improve efficacy, especially when patients do not respond or develop side effects using therapeutic doses. Furthermore, drug plasma concentration determinations can be of some utility in medico-legal problems...
June 19, 2018: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/29914267/latent-schizencephaly-with-psychotic-phenotype-or-schizophrenia-with-schizencephaly-a-case-report-and-review-of-the-literature
#2
Filip Tylš, Martin Brunovský, Kateřina Šulcová, Barbora Kohútová, Zuzana Ryznarová, Miloslav Kopeček
OBJECTIVES: Although schizencephaly belongs to the class of neurodevelopmental disorders, which are a well-known predisposing factor for psychosis, there is a lack of relevant studies and diagnostic guidelines on this relationship. METHOD: A case report of first-episode psychosis with persistent negative symptoms associated with schizencephaly is described and compared with 7 other cases found in the literature. RESULTS: We found perinatal pathology, cognitive deficit, and EEG abnormality in a patient with atypical initial symptoms of psychosis such as olfactory hallucinations...
June 1, 2018: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/29905899/efficacy-and-safety-of-aripiprazole-for-the-treatment-of-schizophrenia-an-overview-of-systematic-reviews
#3
REVIEW
Esther Letícia Amorim Ribeiro, Tácio de Mendonça Lima, Marcio Eduardo Bergamini Vieira, Sílvia Storpirtis, Patricia Melo Aguiar
PURPOSE: To conduct an overview to summarize the efficacy and safety of aripiprazole for the treatment of schizophrenia. METHODS: A literature search was performed in PubMed, the Cochrane Library, LILACS, and the Centre for Reviews and Dissemination, for articles published until March 31, 2017. We included systematic reviews with meta-analyses of randomized controlled trials assessing the efficacy, and/or the safety of aripiprazole, for patients with schizophrenia...
June 15, 2018: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29880882/response-to-initial-antipsychotic-treatment-in-first-episode-psychosis-is-related-to-anterior-cingulate-glutamate-levels-a-multicentre-1-h-mrs-study-optimise
#4
A Egerton, B V Broberg, N Van Haren, K Merritt, G J Barker, D J Lythgoe, R Perez-Iglesias, L Baandrup, S W Düring, K V Sendt, J M Stone, E Rostrup, I E Sommer, B Glenthøj, R S Kahn, P Dazzan, P McGuire
Conventional antipsychotic medication is ineffective in around a third of patients with schizophrenia, and the nature of the therapeutic response is unpredictable. We investigated whether response to antipsychotics is related to brain glutamate levels prior to treatment. Proton magnetic resonance spectroscopy was used to measure glutamate levels (Glu/Cr) in the anterior cingulate cortex (ACC) and in the thalamus in antipsychotic-naive or minimally medicated patients with first episode psychosis (FEP, n = 71) and healthy volunteers (n = 60), at three sites...
June 7, 2018: Molecular Psychiatry
https://www.readbyqxmd.com/read/29880238/antipsychotic-treatment-of-very-late-onset-schizophrenia-like-psychosis-atlas-a-randomised-controlled-double-blind-trial
#5
Robert Howard, Elizabeth Cort, Rosie Bradley, Emma Harper, Linda Kelly, Peter Bentham, Craig Ritchie, Suzanne Reeves, Waleed Fawzi, Gill Livingston, Andrew Sommerlad, Sabu Oomman, Ejaz Nazir, Ramin Nilforooshan, Robert Barber, Chris Fox, Ajay Verma Macharouthu, Pranathi Ramachandra, Vivek Pattan, John Sykes, Val Curran, Cornelius Katona, Tom Dening, Martin Knapp, Richard Gray
BACKGROUND: Very late (aged ≥60 years) onset schizophrenia-like psychosis occurs frequently but no placebo-controlled, randomised trials have assessed the efficacy and risks of antipsychotic treatment. We investigated whether low-dose amisulpride (100 mg daily) is superior to placebo in reducing psychosis symptoms over 12 weeks and whether any benefit is maintained by continuing treatment after 12 weeks. METHODS: The ATLAS double-blind controlled trial enrolled participants from 25 old age psychiatry services in the UK...
June 4, 2018: Lancet Psychiatry
https://www.readbyqxmd.com/read/29758999/movement-disorders-associated-with-antipsychotic-medication-in-people-with-schizophrenia-an-overview-of-cochrane-reviews-and-meta-analysis
#6
Davide Martino, Vikram Karnik, Sydney Osland, Thomas R E Barnes, Tamara M Pringsheim
Movement disorders associated with antipsychotic medications are relatively common, stigmatising, and potentially disabling. Their prevalence in people with psychosis who are prescribed second-generation antipsychotics (SGAs) is uncertain, as is their level of recognition by clinicinas. We conducted meta-analyses of randomised controlled trials included in the Cochrane Database of Systematic Reviews on schizophrenia and schizophrenia-like psychoses to estimate the prevalence of new-onset dystonia, akathisia, parkinsonism, and tremor with SGAs (amisulpride, asenapine, aripiprazole, clozapine, olanzapine, paliperidone, quetiapine, risperidone, L-sulpiride, and ziprasidone) approved in Canada and the UK, comparing them with haloperidol and chlorpromazine...
January 1, 2018: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/29739140/quetiapine-related-acute-paralytic-ileus-in-a-bipolar-i-disorder-patient-with-successful-low-dose-amisulpride-substitution-a-case-report
#7
Shun-Ting Chiang, Chen-Chia Lan
The mechanism of medication-induced gastrointestinal hypomotility is primarily caused by muscarinic cholinergic antagonism. This effect may cause constipation and paralytic ileus, which may lead to fatal complications. A 51-year-old woman was admitted due to manic episode recurrence. She developed paralytic ileus under quetiapine use and treated successfully under low dose amisulpride use. The related mechanism, associated risk factors, and the rationale for medication switch are discussed.
May 31, 2018: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29734953/cortical-structures-and-their-clinical-correlates-in-antipsychotic-na%C3%A3-ve-schizophrenia-patients-before-and-after-6-weeks-of-dopamine-d2-3-receptor-antagonist-treatment
#8
Kasper Jessen, Egill Rostrup, Rene C W Mandl, Mette Ø Nielsen, Nikolaj Bak, Birgitte Fagerlund, Birte Y Glenthøj, Bjørn H Ebdrup
BACKGROUND: Schizophrenia has been associated with changes in both cortical thickness and surface area, but antipsychotic exposure, illness progression and substance use may confound observations. In antipsychotic-naïve schizophrenia patients, we investigated cortical thickness and surface area as well as mean curvature before and after monotherapy with amisulpride, a relatively selective dopamine D2/3 receptor antagonist. METHODS: Fifty-six patients and 59 matched healthy controls (HCs) underwent T1-weighted 3T magnetic resonance imaging...
May 8, 2018: Psychological Medicine
https://www.readbyqxmd.com/read/29723454/-aripiprazole-for-drug-induced-sexual-dysfunction-in-schizophrenic-males
#9
Li-Juan Gao, Hua-Gui Guo, Zhen-Tao Liang, Xiao-Xiao Zhong, Jin-Cai Zhu, Yu Yang
Objective: To investigate the clinical effects of aripiprazole on sexual dysfunction induced by amisulpride or risperidone in male patients with schizophrenia. METHODS: This study included 75 male patients with drug-induced secondary sexual dysfunction after treated with amisulpride or risperidone for first-episode schizophrenia between October 2014 and October 2016. We substituted aripiprazole for amisulpride or risperidone, gradually increased the dose from 10 to 30 mg/d within 2 weeks, and maintained 30 mg/d from the 3rd week...
July 2017: Zhonghua Nan Ke Xue, National Journal of Andrology
https://www.readbyqxmd.com/read/29715183/c-fos-expression-in-the-hypothalamic-paraventricular-nucleus-after-a-single-treatment-with-a-typical-haloperidol-and-nine-atypical-antipsychotics-a-pilot-study
#10
Alexander Kiss
OBJECTIVE: The aim of the present study was to find out whether acute effect of different doses of selected antipsychotics including aripiprazole (ARI), amisulpride (AMI), asenapine (ASE), haloperidol (HAL), clozapine (CLO), risperidone (RIS), quetiapine (QUE), olanzapine (OLA), ziprasidone (ZIP), and paliperidone (PAL) may have a stimulatory impact on the c-Fos expression in the hypothalamic paraventricular nucleus (PVN) neurons. METHODS: Adult male Wistar rats weighing 280-300 g were used...
April 1, 2018: Endocrine Regulations
https://www.readbyqxmd.com/read/29702501/the-latest-consensus-on-antiemetics
#11
Jørn Herrstedt
PURPOSE OF REVIEW: The present review summarizes and discuss the most recent updated antiemetic consensus. RECENT FINDINGS: Two new neurokinin (NK)1-receptor antagonists, netupitant and rolapitant, have been approved by the Food and Drug Administration and the European Medicines Agency and incorporated in the latest versions of the MASCC/ESMO, ASCO, and NCCN guidelines. Guidelines all recommend a combination of a serotonin (5-HT)3-receptor antagonist, dexamethasone, and a NK1-receptor antagonist in patients receiving highly emetogenic chemotherapy (HEC) with the addition of the multireceptor targeting agent, olanzapine, as an option in cisplatin or anthracycline-cyclophosphamide chemotherapy...
July 2018: Current Opinion in Oncology
https://www.readbyqxmd.com/read/29689287/resolution-v-fractional-factorial-design-for-screening-of-factors-affecting-weakly-basic-drugs-liposomal-systems
#12
Sara Nageeb El-Helaly, Basant A Habib, Mohamed K Abd El-Rahman
This study aims to investigate factors affecting weakly basic drugs liposomal systems. Resolution V fractional factorial design (2V 5-1 ) is used as an example of screening designs that would better be used as a wise step before proceeding with detailed factors effects or optimization studies. Five factors probable to affect liposomal systems of weakly basic drugs were investigated using Amisulpride as a model drug. Factors studied were; A: Preparation technique B: Phosphatidyl choline (PhC) amount (mg) C: Cholesterol: PhC molar ratio, D: Hydration volume (ml) and E: Sonication type...
July 1, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29678723/modulatory-effect-of-dopamine-receptor-5-on-the-neurosecretory-dahlgren-cells-of-the-olive-flounder-paralichthys-olivaceus
#13
Zhaohui Lan, Wei Zhang, Jinling Xu, Mo Zhou, Yingxin Chen, Huafeng Zou, Weiqun Lu
A neuromodulatory role for dopamine has been reported for magnocellular neuroendocrine cells in the mammalian hypothalamus. We examined its potential role as a local intercellular messenger in the neuroendocrine Dahlgren cell population of the caudal neurosecretory system (CNSS) of the euryhaline flounder Paralichthys olivaceus. In vitro application of dopamine (DA) caused an increase in electrical activity (firing frequency, recorded extracellularly) of Dahlgren cells, recruitment of previously silent cells, together with a greater proportion of cells showing phasic (irregular) activity...
April 17, 2018: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29574303/prevalence-and-correlates-of-antipsychotic-polypharmacy-in-hong-kong
#14
Stephanie Lock Man Lung, Ho Ming Edwin Lee, Yu Hai Eric Chen, Kit Wa Sherry Chan, Wing Chung Chang, Lai Ming Christy Hui
BACKGROUND: Antipsychotic polypharmacy (APP) remains a common practice despite inconclusive empirical evidence of additional efficacy and potential exacerbation of side effects. Previous studies suggest APP rate is notably high in East Asia. This paper aims to investigate the prevalence and correlates of APP in Hong Kong. METHOD: This was a cross-sectional study of 728 patients with psychosis. The demographics and clinical information, including age, gender, diagnosis, hospitalization history, and medication were collected...
March 2018: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/29568025/are-pharmacological-treatments-for-oro-facial-pain-effective
#15
Debra Fischoff, Silvia Spivakovsky
Data sourcesElectronic searches of PubMed, the Cochrane Library, Embase, the National Health Service Economic Evaluation Database and HTA until March 2017. Also handsearched referenced in the original articles. Grey literature was not included.Study selectionRandomised controlled trials with more than ten participants with oro-facial pain duration of more than three months were sub grouped into: TMD-muscle pain (TMD-m), TMD-joint pain (TMD-j), burning mouth syndrome (BMS) and other oro-facial pain. Studies include any pharmacological treatment against another pharmacological, non-pharmacological treatment, placebo or no treatment...
March 23, 2018: Evidence-based Dentistry
https://www.readbyqxmd.com/read/29543631/amisulpride-prevents-postoperative-nausea-and-vomiting-in-patients-at-high-risk-a-randomized-double-blind-placebo-controlled-trial
#16
Peter Kranke, Sergio D Bergese, Harold S Minkowitz, Timothy I Melson, David G Leiman, Keith A Candiotti, Ngai Liu, Leopold Eberhart, Ashraf S Habib, Jan Wallenborn, Anthony L Kovac, Pierre Diemunsch, Gabriel Fox, Tong J Gan
BACKGROUND: Postoperative nausea and vomiting causes distress for patients and can prolong care requirements. Consensus guidelines recommend use of multiple antiemetics from different mechanistic classes as prophylaxis in patients at high risk of postoperative nausea and vomiting. The prophylactic efficacy of the dopamine D2/D3 antagonist amisulpride in combination with other antiemetics was investigated. METHODS: This double-blind, randomized, placebo-controlled, international, multicenter trial was conducted in 1,147 adult surgical patients having three or four postoperative nausea and vomiting risk factors...
June 2018: Anesthesiology
https://www.readbyqxmd.com/read/29514360/efficacy-tolerability-and-safety-of-blonanserin-in-schizophrenia-an-updated-and-extended-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#17
Taro Kishi, Yuki Matsui, Yuki Matsuda, Asuka Katsuki, Hikaru Hori, Hiroko Yanagimoto, Kenji Sanada, Kiichiro Morita, Reiji Yoshimura, Yoshihisa Shoji, Katsuhiko Hagi, Nakao Iwata
INTRODUCTION: We conducted an updated systematic review and meta-analysis of randomized controlled trials (RCTs) comparing blonanserin with other antipsychotics (amisulpride, aripiprazole, haloperidol, paliperidone, and risperidone). METHODS: Weighted mean difference (WMD), risk ratio, and number needed to harm (NNH) with 95% confidence intervals (95% CIs) were calculated using random-effects model. RESULTS: Ten RCTs (n = 1521) were included in this study...
March 7, 2018: Pharmacopsychiatry
https://www.readbyqxmd.com/read/29497196/oculogyric-crisis-with-atypical-antipsychotics-a-case-series
#18
Naresh Nebhinani, Navratan Suthar
Oculogyric crisis (OGC) is an acute dystonic reaction, commonly seen with the administration of typical antipsychotics, and rarely reported with atypical antipsychotics. Here, we report five cases of oculogyric crisis, developed after administration of atypical antipsychotics. The first case developed OGC on quetiapine 800 mg/day and the second case on olanzapine 20 mg/day. Both the patients did not improve on adding anticholinergic agents and finally stabilized by switching to clozapine. The third case developed OGC on amisulpride 400 mg and lurasidone 40 mg/day and improved by reducing amisulpride dose to 200 mg and stopping lurasidone...
October 2017: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/29477044/activation-of-phosphoinositide-3-kinase-delta-by-antipsychotic-drugs-preliminary-results
#19
Michał Seweryn Karbownik, Paweł Gunerka, Paweł Turowski, Maciej Wieczorek, Edward Kowalczyk, Wojciech Łężak, Tadeusz Pietras
BACKGROUND: Catalytic subunit delta of phosphoinositide 3-kinase, p110δ, encoded by the PIK3CD gene, was recently proposed as a target for pharmacological treatment of schizophrenia. Current antipsychotic drugs were found to decrease the mRNA expression of PIK3CD, but the mechanism of this process is not known. The aim of the study was to elucidate the mechanism by which antipsychotic drugs affect the mRNA expression of PIK3CD. METHODS: The direct effect of haloperidol, clozapine, olanzapine, quetiapine and amisulpride on p110δ enzymatic activity was tested with a kinase assay, and the results were referenced against data on the mRNA expression of PIK3CD...
April 2018: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29432503/therapeutic-drug-monitoring-of-atypical-antipsychotics
#20
REVIEW
Anna Emilia Urban, Wiesław Jerzy Cubała
The paper presents an overview and analysis of the results of research on therapeutic ranges of concentrations and receptor occupancy, mainly D2 receptors, in the treatment with some atypical antipsychotic drugs. Amisulpride, aripiprazole, clozapine, quetiapine, olanzapine, risperidone, paliperidone, sertindole, and ziprasidone were taken into account. The benefits of therapeutic drug monitoring to optimize the effectiveness of treatment and avoid side effects or toxicity were shown. The safety of patients, with the possibility to use the lowest effective dose, is an undoubted profit of TDM...
December 30, 2017: Psychiatria Polska
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