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Atypical antipsychotics

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https://www.readbyqxmd.com/read/29137178/antidepressants-and-mood-stabilizers-novel-research-avenues-and-clinical-insights-for-bipolar-depression
#1
REVIEW
In Hee Shim, Young Sup Woo, Moon-Doo Kim, Won-Myong Bahk
The concept of the bipolar-spectrum and of mixed features being a bridge between major depressive disorders and bipolar disorders (BDs) has become increasingly important in mood-disorder diagnoses. Under these circumstances, antidepressants (ADs) and mood stabilizers (MSs) should be used with caution in the treatment of major depressive episodes (MDEs) and to obtain long-term stability in BDs. Before treating MDEs, screening tools, specific symptom evaluation and medical history should be used to distinguish between bipolarity and mixed features in patients for whom AD monotherapy may present a risk...
November 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29133173/effects-of-norquetiapine-the-active-metabolite-of-quetiapine-on-cloned-herg-potassium-channels
#2
Hong Joon Lee, Jin-Sung Choi, Bok Hee Choi, Sang June Hahn
Quetiapine is an atypical antipsychotic drug that is widely used for the treatment of schizophrenia. It is mainly metabolized by a cytochrome P450 system in the liver. Norquetiapine is a major active metabolite in humans with a pharmacological profile that differs distinctly from that of quetiapine. We used the whole-cell patch-clamp technique to investigate the effects of norquetiapine on hERG channels that are stably expressed in HEK cells. Quetiapine and norquetiapine inhibited the hERG tail currents at -50mV in a concentration-dependent manner with IC50 values of 8...
November 11, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29130014/a-case-of-probable-amisulpride-induced-mania-after-eight-months-of-therapy
#3
Prakash Thapa, Rajasee Sharma
Development of manic symptoms during treatment with atypical antipsychotics can be a troublesome side effect that has been described with most atypical antipsychotics. However, reports of amisulpride induced mania have been rare. Here, we report the case of an 18-year-old male patient diagnosed with schizophrenia, who developed manic symptoms while on treatment with amisulpride. While previous reports have described occurrence of mania within days to three months of treatment with amisulpride, we report a case where manic symptoms occurred after around eight months of therapy...
2017: Case Reports in Psychiatry
https://www.readbyqxmd.com/read/29120942/quetiapine-prevents-a%C3%AE-25-35-induced-cell-death-in-cultured-neuron-by-enhancing-brain-derived-neurotrophic-factor-release-from-astrocyte
#4
Gang Luo, Yinuo Huang, Baixue Jia, Xuelei Zhang, Dapeng Mo, Ning Ma, Feng Gao, Ligang Song, Bo Wang, Zhongrong Miao
β-Amyloid (Aβ)-induced neuronal toxicity is an early event in the pathogenesis of Alzheimer's disease. Quetiapine (QTP) is an atypical antipsychotic drug that has neuroprotectant properties, but little is known about its direct protective effects on neurons against the Aβ-induced cell toxicity. In the present study, we investigated the neuroprotective effects of QTP on Aβ25-35-induced cell death and the possible underlying mechanisms in primary cultures of neurons. Exposure of cortical neurons to 10 μM or more Aβ25-35 caused significant viability loss in a MTT assay, and the toxic effects were not significantly prevented by the simultaneous coadministration of QTP...
November 8, 2017: Neuroreport
https://www.readbyqxmd.com/read/29119689/decreased-5-ht2cr-and-ghsr1a-interaction-in-antipsychotic-drug-induced-obesity
#5
REVIEW
X-F Huang, K Weston-Green, Y Yu
Second generation antipsychotics (SGAs), notably atypical antipsychotics including olanzapine, clozapine and risperidone, can cause weight gain and obesity side effects. Antagonism of serotonin 2c receptors (5-HT2cR) and activation of ghrelin receptor type 1a (GHSR1a) signalling have been identified as a main cause of SGA induced obesity. Here we review the pivotal regulatory role of the 5-HT2cR in ghrelin-mediated appetite signalling. The 5-HT2cR dimerizes with GHSR1a to inhibit orexigenic signalling, while 5-HT2cR antagonism reduces dimerization and increases GHSR1a-induced food intake...
November 9, 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29114100/successful-treatment-of-severe-tardive-dyskinesia-with-valbenazine-including-a-patient-s-perspective
#6
Richard C Josiassen, Dawn M Filmyer, Jack Gillean, Syed Sikandar Shah, Tyler E Dietterich, Rita A Shaughnessy
BACKGROUND Tardive dyskinesia (TD) is a chronic involuntary movement disorder frequently induced by dopamine receptor blockers, particularly first-generation antipsychotics. Until recently, management of TD was restricted to lowering the dose of the current medication, switching to another medication, or using off-label treatments with insufficient evidence of efficacy. Valbenazine, a vesicular monoamine transporter-2 (VMAT2) inhibitor, became the first drug to be approved by the FDA specifically for the treatment of TD...
November 8, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/29110102/pediatric-delirium-recognition-management-and-outcome
#7
REVIEW
Susan Beckwitt Turkel
PURPOSE OF REVIEW: This review seeks to provide an update on the diagnosis, management, and outcome of pediatric delirium. RECENT FINDINGS: Care of patients with delirium depends on correct diagnosis and treatment of its underlying cause. A variety of instruments are available to aid diagnosis. Management of delirium currently depends on atypical antipsychotics, while avoiding agents that may precipitate or exacerbate it. While most critically ill children survive delirium, many children die or have worsening function after their illness...
November 7, 2017: Current Psychiatry Reports
https://www.readbyqxmd.com/read/29106549/the-in-vitro-actions-of-loxapine-on-dopaminergic-and-serotonergic-receptors-time-to-consider-atypical-classification-of-this-antipsychotic-drug
#8
Florian Ferreri, Dominique Drapier, Emmanuelle Baloche, Mehemed Ouzid, Luc Zimmer, Pierre-Michel Llorca
Background: The denomination of typical antipsychotic for loxapine has poor relation to current knowledge of the molecule's relevant modes of action. Method: Competition binding experiments were performed on expressed human recombinant receptors in CHO cells and HEK-293 cells for D1 to D5, 5-HT1A, 5-HT2A, 5-HT2C, 5-HT4, 5-HT6, and 5-HT7. In vitro autoradiographies using [ 11C]-Raclopride [18F]-Altanserin [18F]-MPPF [11C]-SB207145 and [18F]-2FNQ1P were measured in brain tissue of a male primate followed by addition of increasing doses of loxapine succinate...
November 2, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29104944/psychotropic-medication-use-in-autism-spectrum-disorders-may-affect-functional-brain-connectivity
#9
Annika C Linke, Lindsay Olson, Yangfeifei Gao, Inna Fishman, Ralph-Axel Müller
Background: Prescription of psychotropic medications is common in autism spectrum disorders (ASDs), either off-label or to treat comorbid conditions such as ADHD or depression. Psychotropic medications are intended to alter brain function. Yet, studies investigating the functional brain organization in ASDs rarely take medication usage into account. This could explain some of the inconsistent findings of atypical brain network connectivity reported in the autism literature. Methods: The current study tested whether functional connectivity patterns, as assessed with functional magnetic resonance imaging (fMRI), differed in a cohort of 49 children and adolescents with ASDs based on psychotropic medication status, and in comparison with 50 matched typically developing (TD) participants...
September 2017: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/29099547/treating-pediatric-anxiety-initial-use-of-ssris-and-other-antianxiety-prescription-medications
#10
Greta A Bushnell, Scott N Compton, Stacie B Dusetzina, Bradley N Gaynes, M Alan Brookhart, John T Walkup, Moira A Rynn, Til Stürmer
OBJECTIVE: Multiple pharmacotherapies for treating anxiety disorders exist, including selective serotonin reuptake inhibitors (SSRIs), the recommended first-line pharmacotherapy for pediatric anxiety. We sought to describe initial antianxiety medication use in children and estimate how long antianxiety medications were continued. METHODS: In a large commercial claims database, we identified children (3-17 years) initiating prescription antianxiety medication from 2004 to 2014 with a recent anxiety diagnosis (ICD-9-CM = 293...
October 31, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/29098925/the-world-federation-of-societies-of-biological-psychiatry-wfsbp-guidelines-for-the-biological-treatment-of-bipolar-disorders-acute-and-long-term-treatment-of-mixed-states-in-bipolar-disorder
#11
Heinz Grunze, Eduard Vieta, Guy M Goodwin, Charles Bowden, Rasmus W Licht, Jean-Michel Azorin, Lakshmi Yatham, Sergey Mosolov, Hans-Jürgen Möller, Siegfried Kasper
OBJECTIVES: Although clinically highly relevant, the recognition and treatment of bipolar mixed states has played only an underpart in recent guidelines. This WFSBP guideline has been developed to supply a systematic overview of all scientific evidence pertaining to the acute and long-term treatment of bipolar mixed states in adults. METHODS: Material used for these guidelines is based on a systematic literature search using various data bases. Their scientific rigour was categorised into six levels of evidence (A-F), and different grades of recommendation to ensure practicability were assigned...
November 3, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/29097257/a-randomized-13-week-study-assessing-the-efficacy-and-metabolic-effects-of-paliperidone-palmitate-injection-and-olanzapine-in-first-episode-schizophrenia-patients
#12
Manli Huang, Liang Yu, Fen Pan, Shaojia Lu, Shaohua Hu, Jianbo Hu, Jinkai Chen, Pingbo Jin, Hongli Qi, Yi Xu
BACKGROUND: This study was conducted to evaluate the efficacy and metabolic effects of paliperidone palmitate (PP) injections against oral olanzapine in first-episode schizophrenia (FES) patients. METHODS: Eligible patients were randomized to receive PP or olanzapine. Efficacy assessments and weight-related parameters were assessed at baseline, weeks 1, 5, 9, and endpoint or at early withdrawal. Lipid, glucose, insulin and prolactin were evaluated at baseline and endpoint or at early withdrawal...
October 31, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29095482/antipsychotics-and-the-risk-of-aspiration-pneumonia-in-individuals-hospitalized-for-nonpsychiatric-conditions-a-cohort-study
#13
Shoshana J Herzig, Mary T LaSalvia, Elliot Naidus, Michael B Rothberg, Wenxiao Zhou, Jerry H Gurwitz, Edward R Marcantonio
BACKGROUND/OBJECTIVES: Off-label use of antipsychotics is common in hospitals, most often for delirium management. Antipsychotics have been associated with aspiration pneumonia in community and nursing home settings, but the association in hospitalized individuals is unexplored. We aimed to investigate the association between antipsychotic exposure and aspiration pneumonia during hospitalization. DESIGN: Retrospective cohort study. SETTING: Large academic medical center...
November 2, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29093347/comparative-utility-of-atypical-antipsychotics-for-the-treatment-of-psychosis-in-parkinson-s-disease-a-systematic-review-and-bayesian-network-meta-analysis
#14
Ryo Iketani, Yohei Kawasaki, Hiroshi Yamada
We performed a systematic review and Bayesian network meta-analysis to determine atypical antipsychotics that are effective and safe for the treatment of psychosis in Parkinson's disease (PD). We conducted a comprehensive literature search using PubMed/MEDLINE, Cochrane Library, and Japana Centra Revuo Medicina (Ichu-shi Web). We used randomized controlled trials evaluating the utility of atypical antipsychotics for the treatment of psychosis in PD using the Brief Psychiatric Rating Scale (BPRS) and the Unified PD rating Scale parts III (UPDRS-III) as the endpoints...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29083536/bipolar-disorder-in-pregnancy-a-review-of-pregnancy-outcomes
#15
REVIEW
Debra A Scrandis
INTRODUCTION: Women with bipolar disorder may benefit from continuation of their medications during pregnancy, but there may be risks to the fetus associated with some of these medications. This article examines the evidence relating to the effect of bipolar disorder and pharmacologic treatments for bipolar disorder on pregnancy outcomes. METHODS: MEDLINE, CINAHL, ProQuest Dissertation & Theses, and the Cochrane Database of Systematic Reviews were searched for English-language studies published between 2000 and 2017, excluding case reports and integrative reviews...
October 30, 2017: Journal of Midwifery & Women's Health
https://www.readbyqxmd.com/read/29079139/the-antipsychotic-agent-clozapine-induces-autophagy-via-the-ampk-ulk1-beclin1-signaling-pathway-in-the-rat-frontal-cortex
#16
Se Hyun Kim, Soyoung Park, Hyun Sook Yu, Kyung Hee Ko, Hong Geun Park, Yong Sik Kim
Clozapine, a representative atypical antipsychotic, has superior efficacy compared to other antipsychotic agents and is used for the treatment of severe psychotic disorders. Therefore, studies on its mechanisms of action are important for understanding the mechanisms of therapeutic approaches to psychosis. Adenosine monophosphate-activated protein kinase (AMPK) is a serine-threonine kinase that plays a major role in maintaining metabolic homeostasis. Unc-51-like kinase 1 (ULK1) and Beclin1 are downstream substrates of AMPK and activate the autophagic process...
October 25, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29078988/gestational-weight-gain-and-pre-pregnancy-body-mass-index-associated-with-second-generation-antipsychotic-drug-use-during-pregnancy
#17
Marlene P Freeman, Alexandra Z Sosinsky, Lina Goez-Mogollon, Gina M Savella, Danna Moustafa, Adele C Viguera, Lee S Cohen
BACKGROUND: Obesity during pregnancy is the most common high-risk obstetric condition, resulting in increased rates of adverse maternal and neonatal outcomes. Individuals with psychiatric disorders have a higher risk of obesity than the general population, but data regarding implications of obesity in women with psychiatric disorders are sparse. OBJECTIVE: The objective of this study was to assess pre-pregnancy weights and gestational weight gain in women who were exposed to second-generation antipsychotics (SGAs) during pregnancy compared to controls...
September 21, 2017: Psychosomatics
https://www.readbyqxmd.com/read/29077621/a-systematic-review-of-atypical-antipsychotics-in-chronic-pain-management-olanzapine-demonstrates-potential-in-central-sensitization-fibromyalgia-and-headache-migraine
#18
Xavier F Jimenez, Tharani Sundararajan, Edward C Covington
INTRODUCTION: Many psychopharmacologic agents are used as primary or adjunct agents in pain management. Atypical antipsychotics (AAs) have also been used as adjuncts in pain management regimens in a variety of manners; however, their efficacy in this capacity is unclear. METHODS: A systematic review of all studies examining AA use for pain was conducted. Three literature databases were utilized to search for word combinations of "pain" and a variety of commonly-prescribed AAs (olanzapine, quetiapine, risperidone, aripiprazole, ziprasidone, clozapine, paliperidone, iloperidone, lurasidone)...
October 26, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/29061799/olanzapine-an-atypical-antipsychotic-inhibits-survivin-expression-and-sensitizes-cancer-cells-to-chemotherapeutic-agents
#19
Tomomi Sanomachi, Shuhei Suzuki, Kenta Kuramoto, Hiroyuki Takeda, Hirotsugu Sakaki, Keita Togashi, Shizuka Seino, Takashi Yoshioka, Masashi Okada, Chifumi Kitanaka
BACKGROUND/AIM: Olanzapine, an atypical antipsychotic, is now increasingly used as an off-label indication for the management of cancer patients with chemotherapy-induced nausea and vomiting (CINV). However, how olanzapine affects cancer cells per se remains poorly understood. MATERIALS AND METHODS: The effects of olanzapine treatment and survivin knockdown, alone or in combination with chemotherapeutic agents, on survivin expression and cell viability were investigated in human cancer cell lines...
November 2017: Anticancer Research
https://www.readbyqxmd.com/read/29061403/neuroleptic-malignant-syndrome-a-neuro-psychiatric-emergency-recognition-prevention-and-management
#20
REVIEW
Raj Velamoor
Neuroleptic Malignant Syndrome (NMS) is a life threatening complication of antipsychotic therapy. It is often assumed to be rare. Observations suggest that rather than overestimating its frequency, we are more likely to underestimate it (Pope et al., 1986). It is a rare but potentially fatal disorder characterized by four principal symptoms. These are mental status changes, muscle rigidity, hyperthermia, and autonomic dysfunction. The diagnosis of NMS often presents a challenge because several medical conditions generate similar symptoms...
October 2017: Asian Journal of Psychiatry
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