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https://www.readbyqxmd.com/read/28445632/the-association-of-baseline-suicidality-with-treatment-outcome-in-psychotic-depression
#1
Kathleen S Bingham, Anthony J Rothschild, Benoit H Mulsant, Ellen M Whyte, Barnett S Meyers, Samprit Banerjee, Katalin Szanto, Alastair J Flint
OBJECTIVE: To examine the association between baseline suicidality and outcome of major depression in a randomized controlled trial of the pharmacotherapy of psychotic depression and to explore the interaction of suicidality, randomized treatment assignment, and depression outcome. METHODS: This study was a secondary analysis of data from 258 persons aged 18 years or older with DSM-IV-defined major depressive disorder with psychotic features who participated in a 12-week randomized controlled trial (RCT) comparing olanzapine plus sertraline with olanzapine plus placebo (the Study of the Pharmacotherapy of Psychotic Depression [STOP-PD], which ran from 2002 to 2007)...
April 25, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28437719/matrix-assisted-laser-desorption-ionization-mass-spectrometric-imaging-of-olanzapine-in-a-single-hair-using-esculetin-as-a-matrix
#2
Hang Wang, Ying Wang, Ge Wang, Lizhi Hong
Matrix-assisted laser desorption/ionization-mass spectrometric imaging (MALDI-MSI) for the analysis of intact hair is a powerful tool for monitoring changes in drug consumption. The embedding of a low drug concentration in the hydrophobic hair matrix makes it difficult to extract and detect, and requires an improved method to increase detection sensitivity. In this study, an MSI method using MALDI-Fourier transform ion cyclotron resonance was developed for direct identification and imaging of olanzapine in hair samples using the positive ion mode...
April 18, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28429622/pharmacoepigenomic-responses-of-antipsychotic-drugs-on-pharmacogenes-are-likely-to-be-modulated-by-mirnas
#3
Babu Swathy, Koramannil R Saradalekshmi, Indu V Nair, Chandrasekharan Nair, Moinak Banerjee
AIM: It is imperative to differentiate the role of host epigenetics from pharmacoepigenetics in resolving therapeutic response. Therefore, the objective was to identify how antipsychotic drugs influence epigenetic response on pharmacogenes. MATERIALS & METHODS: The study design was based on in vitro evaluation of pharmacoepigenetic response of haloperidol, clozapine and olanzapine. Post antipsychotic treatment, the alterations in expression of ABCB1, CYP1A2 and CYP3A4 were monitored, and followed up by promoter methylation and their target miRNA expression studies...
April 21, 2017: Epigenomics
https://www.readbyqxmd.com/read/28423558/biological-basis-and-clinical-study-of-glycogen-synthase-kinase-3%C3%AE-targeted-therapy-by-drug-repositioning-for-glioblastoma
#4
Takuya Furuta, Hemragul Sabit, Yu Dong, Katsuyoshi Miyashita, Masashi Kinoshita, Naoyuki Uchiyama, Yasuhiko Hayashi, Yutaka Hayashi, Toshinari Minamoto, Mitsutoshi Nakada
BACKGROUND: Glycogen synthase kinase (GSK)-3β has emerged as an appealing therapeutic target for glioblastoma (GBM). Here, we investigated the therapeutic effect of the current approved drugs against GBM via inhibition of GSK3β activity both, in experimental setting and in a clinical study for recurrent GBM patients by repositioning existent drugs in combination with temozolomide (TMZ). MATERIALS AND METHODS: Progression-free and overall survival rates were compared between patients with low or high expression of active GSK3β in the primary tumor...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28417647/mixed-states-in-bipolar-disorder-changes-in-dsm-5-and-current-treatment-recommendations
#5
Felix Betzler, Laura Apollonia Stöver, Philipp Sterzer, Stephan Köhler
OBJECTIVE: Mixed states in affective disorders represent a particular challenge in clinical routine, characterized by a complicated course of treatment and a worse treatment response. METHODS: Clinical features of mixed states and the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) criteria are presented and critical discussed. We then performed a systematic review using the terms 'bipolar', 'mixed' and 'randomized' to evaluate current treatment options...
April 18, 2017: International Journal of Psychiatry in Clinical Practice
https://www.readbyqxmd.com/read/28415414/bionanocomposite-systems-based-on-montmorillonite-and-biopolymers-for-the-controlled-release-of-olanzapine
#6
Artur S Oliveira, Ana C S Alcântara, Sibele B C Pergher
Olanzapine (OLZ) is a drug that is used in the treatment of schizophrenia and other psychoses, and it belongs to the thienobenzodiazepine class. The OLZ molecule has low solubility decreasing bioavailability, but has high permeability in membrane biological being classified as a Class II drug substance according to the Biopharmaceutics Classification System. It was reported many side effects of administering OLZ orally. So, in order to increase the bioavailability of drug and possibly reducing some of side effects, this paper proposes a new material able to controllably release the drug in the body...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28414930/antipsychotics-promote-gabaergic-interneuron-genesis-in-the-adult-rat-brain-role-of-heat-shock-protein-production
#7
Hiroo Kaneta, Wataru Ukai, Hanako Tsujino, Kengo Furuse, Yoshiyasu Kigawa, Masaya Tayama, Takao Ishii, Eri Hashimoto, Chiaki Kawanishi
Current antipsychotics reduce positive symptoms and reverse negative symptoms in conjunction with cognitive behavioral issues with the goal of restoring impaired occupational and social functioning. However, limited information is available on their influence on gliogenesis or their neurogenic properties in adult schizophrenia brains, particularly on GABAergic interneuron production. In the present study, we used young adult subventricular zone (SVZ)-derived progenitor cells expressing proteoglycan NG2 cultures to examine the oligodendrocyte and GABAergic interneuron genesis effects of several kinds of antipsychotics on changes in differentiation function induced by exposure to the NMDA receptor antagonist MK-801...
March 10, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28412306/time-dependent-sensitization-of-antipsychotic-effect-in-adolescent-male-and-female-rats
#8
Xiaojing Ding, Xiaonan Li, Qing Shu, Ruiyong Wu, Gang Hu, Ming Li
Many behavioral and biological effects of a psychoactive drug often undergo time-dependent change following even one single drug exposure. The present study examined whether one or two exposures of haloperidol, olanzapine or clozapine would also induce a time-dependent change in their behavioral effects in adolescent rats and whether such a change vary between sexes. Adolescent Sprague-Dawley rats (<40days old) were first treated with one single injection of haloperidol (0.05 and 0.1mg/kg, sc), clozapine (10...
April 12, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28412089/inverse-association-between-negative-symptoms-and-body-mass-index-in-chronic-schizophrenia
#9
G Mezquida, G Savulich, C Garcia-Rizo, M P Garcia-Portilla, A Toll, L Garcia-Alvarez, J Bobes, A Mané, M Bernardo, E Fernandez-Egea
BACKGROUND: We investigated whether negative symptoms, such as poor motivation or anhedonia, were associated with higher body mass index (BMI) in stable patients with schizophrenia chronically treated with antipsychotic medication. METHODS: 62 olanzapine- or clozapine-treated patients with illness duration of at least four years were selected from an international multicenter study on the characterization of negative symptoms. All participants completed the Brief Negative Symptom Scale (BNSS) and the Positive and Negative Syndrome Scale (PANSS)...
April 12, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28411574/risperidone-versus-olanzapine-in-the-acute-treatment-of-persistent-delusional-disorder-a-retrospective-analysis
#10
Karishma Kulkarni, Rashmi Arasappa, Krishna Prasad M, Amit Zutshi, Prabhat K Chand, Pratima Murthy, Mariamma Philip, Kesavan Muralidharan
There is a dearth of prospective trials studying treatment response in Persistent Delusional Disorder (PDD) to guide clinical practice. Available retrospective data indicate good response to second-generation antipsychotics (SGAs). We selected the data of patients prescribed either olanzapine or risperidone from a retrospective chart review of PDD (n=455) at our centre. We compared the two groups olanzapine (n =86) versus risperidone (n =280) on dose, drug adherence, response and adverse effects. The two groups were comparable on socio-demographic and clinical characteristics of PDD...
April 9, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28408348/design-and-in-vivo-evaluation-of-solid-lipid-nanoparticulate-systems-of-olanzapine-for-acute-phase-schizophrenia-treatment-investigations-on-antipsychotic-potential-and-adverse-effects
#11
Emil Joseph, Satish Reddi, Vibhu Rinwa, Garima Balwani, Ranendra Saha
The present paper discusses the design, characterization and in vivo evaluation of glyceryl monostearate nanoparticles of Olanzapine, an atypical antipsychotic drug for acute schizophrenia treatment, during which hospitalization is mandatory and adverse effects are at its peak. The solid lipid nanoparticulate system was obtained by emulsification-ultra sonication technique wherein three factors such as solid lipid content, concentration of surfactant and drug: solid lipid ratio were selected at three different levels in order to study their influence on significant characteristic responses such as particle size, encapsulation efficiency and drug content...
April 10, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28400260/prevention-of-the-adverse-effects-of-olanzapine-on-lipid-metabolism-with-the-antiepileptic-zonisamide
#12
Aneta Stefanidis, Matthew J Watt, Michael A Cowley, Brian J Oldfield
BACKGROUND: Atypical antipsychotic drugs, particularly olanzapine, represent a mainstay in the treatment of psychoses; however, their use is commonly associated with weight gain and diabetes. The aim of this study was to determine whether combined administration of olanzapine and zonisamide can be used to prevent olanzapine-induced metabolic disturbances. METHODS AND RESULTS: These experiments involved female Sprague Dawley rats (n = 6-8/group) that were administered olanzapine, either acutely (6 mg/kg, s...
April 8, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28398814/management-of-hepatotoxicity-induced-by-the-use-of-olanzapine
#13
Yunus Emre Dönmez, Özlem Özcan, Nusret Soylu, Fatma Kartal Sarıoğlu, Ayşe Selimoğlu
Numerous drugs cause hepatotoxicity clinically or biologically. Neuropsychiatric drugs constitute 16% of these drugs. The occurrence of hepatotoxicity induced by the use of olanzapine is expressed by the researchers. In such cases, generally the dose of olanzapine is reduced or the drug is completely discontinued and the treatment of the patient fails. The aim of this study is to report the case for whom elevated liver enzymes were observed but the process was managed without changing treatment dose and drug and to discuss this case with literature information...
April 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28396308/new-options-and-controversies-in-the-management-of-chemotherapy-induced-nausea-and-vomiting
#14
Sara M Koth, Jill Kolesar
PURPOSE: An expanding array of options for prevention and treatment of chemotherapy-induced nausea and vomiting (CINV), including regimens containing olanzapine or recently approved neurokinin 1 (NK1) receptor antagonists, are reviewed. SUMMARY: Up to 80% of patients receiving chemotherapy have CINV. Current practice guidelines recommend that patients treated with highly emetogenic chemotherapy also receive a 3-drug antiemetic regimen initiated on the day of and continued for 3 days after chemotherapy administration, with the most commonly used 3-drug regimen consisting of an NK1 receptor antagonist, a 5-hydroxytryptamine type 3 (5-HT3) receptor antagonist, and dexamethasone...
April 10, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28393897/olanzapine-but-not-clozapine-increases-glutamate-release-in-the-prefrontal-cortex-of-freely-moving-mice-by-inhibiting-d-aspartate-oxidase-activity
#15
Silvia Sacchi, Vito De Novellis, Giovanna Paolone, Tommaso Nuzzo, Monica Iannotta, Carmela Belardo, Marta Squillace, Paolo Bolognesi, Elena Rosini, Zoraide Motta, Martina Frassineti, Alessandro Bertolino, Loredano Pollegioni, Michele Morari, Sabatino Maione, Francesco Errico, Alessandro Usiello
D-aspartate levels in the brain are regulated by the catabolic enzyme D-aspartate oxidase (DDO). D-aspartate activates NMDA receptors, and influences brain connectivity and behaviors relevant to schizophrenia in animal models. In addition, recent evidence reported a significant reduction of D-aspartate levels in the post-mortem brain of schizophrenia-affected patients, associated to higher DDO activity. In the present work, microdialysis experiments in freely moving mice revealed that exogenously administered D-aspartate efficiently cross the blood brain barrier and stimulates L-glutamate efflux in the prefrontal cortex (PFC)...
April 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28392460/mesoporous-hydroxyapatite-as-a-carrier-of-olanzapine-for-long-acting-antidepression-treatment-in-rats-with-induced-depression
#16
Yan-Jye Shyong, Mao-Hsien Wang, Li-Wei Kuo, Chang-Fu Su, Wei-Ting Kuo, Kuo-Chi Chang, Feng-Huei Lin
An antidepressant carrier, mesoporous hydroxyapatite olanzapine (mesoHAP-OLZ), was designed to maintain 3weeks of constant medication release. The carrier was intramuscularly (IM) injected, where cellular activity played a role in achieving the goal of constant release. The efficiency of the treatment was evaluated from 3 perspectives in in vivo studies: locomotor activities, biomarkers, and learning and memory ability. MesoHAP-OLZ can increase the locomotor activity in rats with induced depression determined by open field test (OFT) and forced swim test (FST)...
April 6, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28389140/sex-differences-in-aripiprazole-sensitization-from-adolescence-to-adulthood
#17
Elizabeth Freeman, Joanne Lin, Shinnyi Chow, Collin Davis, Ming Li
The present study investigated the potential sex differences in repeated aripiprazole (ARI) treatment-induced behavioral sensitization from adolescence to adulthood, and to determine whether ARI sensitization can be transferred to olanzapine (OLZ) and/or clozapine (CLZ) using the conditioned avoidance response (CAR) and phencyclidine-induced (PCP) hyperlocomotion tests of antipsychotic activity. Male and female Sprague-Dawley adolescence rats (P46) were first treated with ARI (10mg/kg) for 5 consecutive days (P46-50) and tested for avoidance response and ARI-induced inhibition of PCP-induced hyperlocomotion...
April 4, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28388667/the-effect-of-federal-and-state-off-label-marketing-investigations-on-drug-prescribing-the-case-of-olanzapine
#18
Bo Wang, David M Studdert, Ameet Sarpatwari, Jessica M Franklin, Joan Landon, Aaron S Kesselheim
In the past decade, the federal government has frequently investigated and prosecuted pharmaceutical manufacturers for illegal promotion of drugs for indications not approved by the Food and Drug Administration (FDA) ("off-label" uses). State governments can choose to coordinate with the federal investigation, or pursue their own independent state investigations. One of the largest-ever off-label prosecutions relates to the atypical antipsychotic drug olanzapine (Zyprexa). In a series of settlements between 2008 and 2010, Eli Lilly paid $1...
2017: PloS One
https://www.readbyqxmd.com/read/28387211/olanzapine-induced-pancytopenia-a-rare-but-worrying-complication
#19
N Pang, N Thrichelvam, K O Naing
Unlike clozapine, and despite its structural similarities, olanzapine is not usually associated with haematological suppression. Nonetheless this case report highlights an incident of olanzapine-induced thrombocytopenia and neutropenia in a first-contact patient. We report on a 50-year-old male who presented with 7 years of delusions and hallucinations. A diagnosis of schizophrenia was made in the absence of any suggestive features of mood disorders, substance abuse or organicity, and olanzapine as second-line treatment...
March 2017: East Asian Archives of Psychiatry: Official Journal of the Hong Kong College of Psychiatrists
https://www.readbyqxmd.com/read/28385039/evidence-based-review-of-pharmacotherapy-used-for-parkinson-s-disease-psychosis
#20
Kyle John Wilby, Eric G Johnson, Hannah E Johnson, Mary H H Ensom
OBJECTIVE: To summarize and evaluate the existing literature regarding medications to treat Parkinson's disease (PD) psychosis. DATA SOURCES: MEDLINE (1946 to March 2017), EMBASE (1980 to March 2017), CINAHL (1982 to March 2017), and PsychInfo (1887 to March 2017) were searched using the following terms: Parkinson disease, Parkinson's disease, psychotic disorders, psychosis, delusions, and hallucinations. STUDY SELECTION AND DATA EXTRACTION: The search was limited to randomized controlled trials (RCTs) reporting human outcomes...
April 1, 2017: Annals of Pharmacotherapy
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