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Antipsychotic response

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https://www.readbyqxmd.com/read/29244906/finding-treatment-resistant-depression-in-real-world-data-how-a-data-driven-approach-compares-with-expert-based-heuristics
#1
M Soledad Cepeda, Jenna Reps, Daniel Fife, Clair Blacketer, Paul Stang, Patrick Ryan
BACKGROUND: Depression that does not respond to antidepressants is treatment-resistant depression (TRD). TRD definitions include assessments of treatment response, dose and duration, and implementing these definitions in claims databases can be challenging. We built a data-driven TRD definition and evaluated its performance. METHODS: We included adults with depression, ≥1 antidepressant, and no diagnosis of mania, dementia, or psychosis. Subjects were stratified into those with and without proxy for TRD...
December 15, 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/29241811/syk-and-src-targeted-anti-inflammatory-activity-of-aripiprazole-an-atypical-antipsychotic
#2
Sulgi Yoo, Mi-Yeon Kim, Jae Youl Cho
Aripiprazole (ARP) is a partial agonist of dopamine D2 receptors that is commonly prescribed to treat schizophrenia and bipolar disorder. The anti-inflammatory effect of ARP was recently documented in a few studies, but its molecular mechanisms have not been fully elucidated. In this study, peptidoglycan (PGN)-treated macrophages (RAW264.7 cells), reporter gene assay, an overexpression strategy, immunoprecipitation, and immunoblotting analysis were employed to clarify the anti-inflammatory mechanism of ARP...
December 11, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29241148/obesity-exacerbates-the-acute-metabolic-side-effects-of-olanzapine
#3
Logan K Townsend, Willem T Peppler, Natasha D Bush, David C Wright
Olanzapine is a second-generation antipsychotic used in the management of schizophrenia and various off-label conditions. The acute metabolic responses of olanzapine recapitulate many of the side effects associated with obesity. Obesity rates are high in the schizophrenic population, but it is unknown whether pre-existing obesity-associated metabolic dysfunction augments the acute side effects of olanzapine. To address this question, we compared the responses to olanzapine in lean and high-fat diet-induced (HFD) obese mice...
December 8, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29239979/monitoring-haloperidol-plasma-concentration-and-associated-adverse-events-in-critically-ill-children-with-delirium-first-results-of-a-clinical-protocol-aimed-to-monitor-efficacy-and-safety
#4
Valerie D Slooff, Desley K van den Dungen, Babette S van Beusekom, Naomi Jessurun, Erwin Ista, Dick Tibboel, Saskia N de Wildt
OBJECTIVES: As delirium in critically ill children is increasingly recognized, more children are treated with the antipsychotic drug haloperidol, while current dosing guidelines are lacking solid evidence and appear to be associated with a high risk of adverse events. We aim to report on the safety and efficacy of a recently implemented clinical dose-titration protocol with active monitoring of adverse events. DESIGN: From July 2014 until June 2015, when a potential delirium was identified by regular delirium scores and confirmed by a child psychiatrist, haloperidol was prescribed according to the Dutch Pediatric Formulary...
December 12, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/29237385/systemic-administrations-of-antipsychotic-asenapine-pre-or-postnatal-does-not-induce-anxiety-like-behaviors-in-mice
#5
Maria Silvia Oliveira, Thais Souza Barbosa de Souza, Daniela Miranda Farias, Rozimeri Fatima Coletti, Jorge Aparecido de Barros, Carolina Gomes Carrilho, Susana Elisa Moreno, Eric Murillo Murillo Rodriguez, Sergio Machado, Andre Barciela Veras
Asenapine is an atypical antipsychotic approved by US Food and Drug Administration in 2009 and by European Medicines Agency in 2010 for schizophrenia and bipolar disorder treatment. Currently, many studies have been developed in an attempt to clarify and minimize the risks related to the use of psychotropic during pre/postnatal period on patients with a history of mental disorders. To this finality, the purpose of the following work was to test on animal models the impact of being exposed to this medication during perinatal period upon anxiety and exploration/emotionality of female mice's descendants submitting them, in adulthood, to the Open Field and Elevated Plus Maze test...
December 13, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/29237345/correction-to-asif-et%C3%A2-al-genderwise-clinical-response-of-antipsychotics-among-schizophrenic-patients-a-prospective-observational-study-from-lahore-pakistan
#6
(no author information available yet)
No abstract text is available yet for this article.
December 13, 2017: International Journal of Psychiatry in Clinical Practice
https://www.readbyqxmd.com/read/29232966/sex-differences-in-the-relationship-between-prolactin-levels-and-impaired-processing-speed-in-early-psychosis
#7
Itziar Montalvo, Roser Nadal, Antonio Armario, Alfonso Gutiérrez-Zotes, Marta Creus, Ángel Cabezas, Montse Solé, Maria José Algora, Vanessa Sánchez-Gistau, Elisabet Vilella, Javier Labad
INTRODUCTION: Hyperprolactinaemia is commonly observed in people with psychotic disorders due to D2 receptor blockade by antipsychotic drugs, although it may also exist in drug-naïve patients with first-episode psychosis. Recent studies suggest that hyperprolactinaemia may have a negative impact on cognitive function in people with early psychosis. We aimed to explore whether there are sex differences in the association between prolactin levels and cognitive performance in early psychosis patients...
December 1, 2017: Australian and New Zealand Journal of Psychiatry
https://www.readbyqxmd.com/read/29228982/electroconvulsive-therapy-for-manic-state-with-mixed-and-psychotic-features-in-a-teenager-with-bipolar-disorder-and-comorbid-episodic-obsessive-compulsive-disorder-a-case-report
#8
Olof Rask, Klara Suneson, Eva Holmström, Beata Bäckström, Björn Axel Johansson
BACKGROUND: Comorbidity of bipolar disorder and obsessive-compulsive disorder is common in adolescence. Obsessive-compulsive disorder symptoms may be episodic and secondary to alterations in mood, and display specific features. Management of pediatric bipolar disorder-obsessive-compulsive disorder is challenging, as pharmacotherapy of obsessive-compulsive disorder may induce or exacerbate manic episodes and there is limited evidence of treatment efficacy. Electroconvulsive therapy is sparsely used in children and adolescents, but is documented to be a safe and efficacious intervention in adults with bipolar disorder...
December 12, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29226628/modeling-of-prolactin-response-following-dopamine-d2-receptor-antagonists-in-rats-can-it-be-translated-to-clinical-dosing
#9
Amit Taneja, An Vermeulen, Dymphy R H Huntjens, Meindert Danhof, Elizabeth C M De Lange, Johannes H Proost
Prolactin release is a side effect of antipsychotic therapy with dopamine antagonists, observed in rats as well as humans. We examined whether two semimechanistic models could describe prolactin response in rats and subsequently be translated to predict pituitary dopamine D2 receptor occupancy and plasma prolactin concentrations in humans following administration of paliperidone or remoxipride. Data on male Wistar rats receiving single or multiple doses of risperidone, paliperidone, or remoxipride was described by two semimechanistic models, the precursor pool model and the agonist-antagonist interaction model...
December 2017: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/29221470/potential-diagnostic-markers-of-olanzapine-efficiency-for-acute-psychosis-a-focus-on-peripheral-biogenic-amines
#10
A E Taraskina, R F Nasyrova, A M Zabotina, D N Sosin, К А Sosina, E E Ershov, M N Grunina, E M Krupitsky
BACKGROUND: Biomarkers are now widely used in many fields of medicine, and the identification of biomarkers that predict antipsychotic efficacy and adverse reactions is a growing area of psychiatric research. Monoamine molecules of the peripheral bloodstream are possible prospective biomarkers based on a growing body of evidence indicating that they may reflect specific changes in neurotransmitters in the brain. The aim of this study was to detect peripheral biogenic amine indicators of patients with acute psychosis and to test the correlations between the biological measures studied and the psychopathological status of the patients...
December 8, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/29211814/overexpression-of-transmembrane-protein-168-in-the-mouse-nucleus-accumbens-induces-anxiety-and-sensorimotor-gating-deficit
#11
Kequan Fu, Yoshiaki Miyamoto, Kazuyuki Sumi, Eriko Saika, Shin-Ichi Muramatsu, Kyosuke Uno, Atsumi Nitta
Transmembrane protein 168 (TMEM168) comprises 697 amino acid residues, including some putative transmembrane domains. It is reported that TMEM168 controls methamphetamine (METH) dependence in the nucleus accumbens (NAc) of mice. Moreover, a strong link between METH dependence-induced adaptive changes in the brain and mood disorders has been evaluated. In the present study, we investigated the effects of accumbal TMEM168 in a battery of behavioral paradigms. The adeno-associated virus (AAV) Tmem168 vector was injected into the NAc of C57BL/6J mice (NAc-TMEM mice)...
2017: PloS One
https://www.readbyqxmd.com/read/29205993/should-patients-with-schizophrenia-receive-antidepressants
#12
Viacheslav Terevnikov, Jan-Henry Stenberg, Grigori Joffe
Antipsychotics play a key role in the pharmacological treatment of schizophrenia, and monotherapy is effective for most patients. Achieving an optimal treatment response is, however, often difficult. Combining an antidepressant drug to the antipsychotic regimen could potentially improve treatment outcomes, although the evidence supporting the use of such combinations is limited and contradictory. Positive evidence has mostly been obtained from the efficacy of antidepressants acting on monoamine receptors on the negative symptoms of schizophrenia...
2017: Duodecim; Lääketieteellinen Aikakauskirja
https://www.readbyqxmd.com/read/29200570/clozapine-induced-acute-hypertriglyceridemia
#13
Mitesh Kumar, Ajeet Sidana
The aim of this study is to highlight the association between the use of clozapine and the early development of hypertriglyceridemia, a condition that substantially increases the risk of cardiovascular events and other medical complications. A 34-year-old female with a background history of schizophrenia presented with acute elevation of serum triglycerides and cholesterol within 2 weeks of starting clozapine. Her metabolic parameters normalized following discontinuation of clozapine. Possible hypotheses for lipid dysregulation with atypical antipsychotics include weight gain, dietary changes, and development of glucose intolerance; however, some other factors may be responsible for this rapid escalation of lipid levels...
September 2017: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/29200553/sociodemographic-and-clinical-predictors-of-response-in-manic-episodes-a-naturalistic-prospective-cohort-study
#14
Jasmin Garg, Ajeet Sidana, B S Chavan, Shikha Goel
Background: Response to treatment of a manic episode is dependent on several sociodemographic and clinical factors as reported by researchers from other countries. The prescription of mood stabilizers and/or antipsychotics for manic episode depends on these factors. There is a lack of availability of data from India on this topic. Hence, this study was planned to identify the predictors of pharmacological response. Materials and Methods: Forty-two patients with a diagnosis of bipolar affective disorder current episode manic were enrolled and assessed for sociodemographic variables and clinical variables such as age of onset, family history, comorbidities, index episode, and number of past episodes...
September 2017: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/29197846/severe-recurrent-hypothermia-in-an-elderly-patient-with-refractory-mania-associated-with-atypical-antipsychotic-valproic-acid-and-oxcarbazepine-therapy
#15
Oluwadamilare O Ajayi, Suzanne Holroyd
Hypothermia is a rare but serious condition that has been associated with various psychiatric medications. We present a 76-year-old woman with refractory mania who developed multiple episodes of severe hypothermia associated with several psychiatric medications including olanzapine, quetiapine, valproic acid and oxcarbazepine. These episodes resolved following discontinuation of the agents. The patient had never experienced hypothermia before, despite having been on these or similar agents for many years. With traditional treatments for mania not feasible, other medications were used to treat her including lithium, clonazepam, gabapentin and the novel protein kinase c inhibitor tamoxifen...
December 2, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29195684/mice-lacking-interleukin-18-gene-display-behavioral-changes-in-animal-models-of-psychiatric-disorders-possible-involvement-of-immunological-mechanisms
#16
S F Lisboa, A C Issy, C Biojone, K Montezuma, V Fattori, E A Del-Bel, F S Guimarães, F Q Cunha, W A Verri, S R L Joca
Preclinical and clinical evidence suggests pro-inflammatory cytokines might play an important role in the neurobiology of schizophrenia and stress-related psychiatric disorders. Interleukin-18 (IL-18) is a member of the IL-1 family of cytokines and it is widely expressed in brain regions involved in emotional regulation. Since IL-18 involvement in the neurobiology of mental illnesses, including schizophrenia, remains unknown, this work aimed at investigating the behavior of IL-18 null mice (KO) in different preclinical models: 1...
November 10, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29194112/drug-associated-spontaneous-orgasm-a-case-report-and-systematic-review-of-literature
#17
Wei-Hsi Chen, Yuan-Hsiang Chu, Kuo-Yen Chen
OBJECTIVES: Spontaneous orgasm is characterized by a spontaneous onset of orgasm without any preceding sexual or nonsexual trigger. It sheds insight on the mechanisms underlying orgasms and the sexual response cycle in humans. METHODS: We report a male patient of repetitive spontaneous orgasm under trazodone treatment and systematically review the literature on drug-associated spontaneous orgasm (DASO). RESULTS: A total of 25 patients (18 women and 7 men), including our reported case, experienced 27 DASO events...
December 1, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/29189977/efficacy-and-safety-of-atypical-antipsychotics-for-behavioral-symptoms-of-dementia-among-patients-residing-in-long-term-care
#18
A S Sturm, K E Trinkley, K Porter, Milap C Nahata
Background There are limited options for the treatment of behavioral and psychological symptoms of dementia (BPSD). Objective Evaluate the efficacy and safety of using atypical antipsychotics for BPSD among patients residing in long-term care. Setting Long term care community facility in the United States. Methods Retrospective observational study of patients residing in a long-term care facility with a diagnosis of dementia not trauma-induced with documented BPSD treated with an atypical antipsychotic for at least 2 weeks...
November 30, 2017: International Journal of Clinical Pharmacy
https://www.readbyqxmd.com/read/29189421/asenapine-in-the-management-of-impulsivity-and-aggressiveness-in-bipolar-disorder-and-comorbid-borderline-personality-disorder-an-open-label-uncontrolled-study
#19
Andrea Aguglia, Ludovico Mineo, Alessandro Rodolico, Maria S Signorelli, Eugenio Aguglia
Borderline personality disorder (BPD) often co-occurres with bipolar disorder (BD). Impulsivity and aggressiveness represent core shared features and their pharmacological management is mainly based on mood stabilizers and antipsychotics, although scarce evidence is available for this context of comorbidity. The aim of the present study was to evaluate the role of Asenapine as an adjunctive drug for reducing aggressiveness and impulsivity in a sample of Italian BD type I outpatients with or without a comorbid BPD...
November 17, 2017: International Clinical Psychopharmacology
https://www.readbyqxmd.com/read/29188907/prescribing-patterns-in-a-psychiatrically-referred-sample-of-youth-with-autism-spectrum-disorder
#20
Julia Shekunov, Janet Wozniak, Kristina Conroy, Elizabeth Pinsky, Maura Fitzgerald, Melissa F de Leon, Abigail Belser, Joseph Biederman, Gagan Joshi
OBJECTIVE: The aim of this study was to examine the pattern of psychopharmacologic interventions in a psychiatrically referred sample of youth with autism spectrum disorder (ASD). METHODS: This retrospective chart review aimed at collecting demographic and clinical information, including data on DSM-IV-TR criteria-based psychiatric disorders and related current medication treatment and response. Data were collected in December 2011. Clinicians identified the target disorder for each medication and any adverse events...
November 28, 2017: Journal of Clinical Psychiatry
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