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PubMed Journals Articles About "Clozapine Olanzapine Haloperidol Schizophrenia" RSS

01:58 EDT 19th July 2018 | BioPortfolio

Clozapine Olanzapine Haloperidol Schizophrenia PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Clozapine Olanzapine Haloperidol Schizophrenia articles that have been published worldwide.

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Showing "Clozapine Olanzapine Haloperidol Schizophrenia" PubMed Articles 1–25 of 932

Treatment-resistant schizophrenia: Neutropenia with olanzapine and clozapine, and stabilization with two depot antipsychotics.

This case report describes a case of a woman with treatment-resistant schizophrenia, who experienced neutropenia induced by olanzapine and clozapine, and reached symptomatic stabilization with a combination of two depot antipsychotics. This report presents a brief review about the incidence of haematologic events by antipsychotics and the evidence of antipsychotic combination in the treatment.


Clozapine use in early psychosis.

The superior efficacy of clozapine in treatment resistant schizophrenia has been clearly demonstrated, yet there are often delays in the commencement of clozapine. In this study, we aimed to determine; the proportion of young people with a first episode of psychosis (FEP) who would be considered eligible for clozapine treatment, the theoretical delay in commencing clozapine and to compare the outcomes of those treated with clozapine to those who were eligible but not treated with clozapine.

c-Fos expression in the hypothalamic paraventricular nucleus after a single treatment with a typical haloperidol and nine atypical antipsychotics: a pilot study.

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.


Comparative Effectiveness of Antipsychotic Drugs for Rehospitalization in Schizophrenia-A Nationwide Study With 20-Year Follow-up.

Very little is known about the comparative long-term effectiveness of novel antipsychotics in relapse prevention, especially in first-episode schizophrenia. Nationwide data from Finnish health care registers were gathered prospectively for all persons with periods of inpatient care due to schizophrenia in Finland during 1972-2014. Altogether 62250 persons were included in the prevalent cohort, and 8719 in the incident (first-episode schizophrenia) cohort. The follow-up for antipsychotic use started at 1996 ...

Long-term treatment with clozapine and verbal memory performance in schizophrenia.

Clozapine is more efficacious than first-generation antipsychotics for positive and negative symptoms, although it is related with serious adverse effects. Because of this profile, it could also have an impact on cognition. Therefore, we evaluated learning ability of 31 treatment-resistant individuals with SZ using clozapine uninterruptedly for 18.23 ± 4.71 years and 26 non-treatment-resistant using other antipsychotics that never used clozapine. Long-term treatment with clozapine did not improve ver...

Methylphenidate as Treatment for Clozapine-Induced Sedation in Patients with Treatment-Resistant Schizophrenia.

Treatment-resistant schizophrenia patients frequently need to be managed with clozapine. However, noncompliance is in-part due to complaints of sedation, fatigue, and low energy. There is little literature reporting on the effectiveness and safety of using stimulants to treat clozapine-induced sedation. We report three cases of treatment-resistant schizophrenia where methylphenidate was used to address these common side-effects.

Intramuscular Midazolam, Olanzapine, Ziprasidone, or Haloperidol for Treating Acute Agitation in the Emergency Department.

Agitation in the emergency department (ED) can pose a threat to patient and provider safety; therefore, treatment is indicated. The purpose of this study is to compare haloperidol, olanzapine, midazolam, and ziprasidone to treat agitation.

Clozapine use in geriatric patients- Challenges.

Clozapine is the first second generation antipsychotic with different receptor profile of action. Clozapine is the most efficacious drug for the treatment of psychotic disorder and is the drug of choice in treatment resistant schizophrenia. Clozapine is used in elderly patients infrequently owing to its adverse effects profile and tolerability. There is paucity of literature with respect to clozapine use in late life. In this narrative review, we discuss clozapine use in elderly and challenges associated wi...

CoMET: a protocol for a randomised controlled trial of co-commencement of METformin as an adjunctive treatment to attenuate weight gain and metabolic syndrome in patients with schizophrenia newly commenced on clozapine.

Clozapine, while effective in treatment refractory schizophrenia, is associated with significant weight gain, heart disease and increased risk of type 2 diabetes mellitus (T2DM). Although there is evidence for weight loss with metformin for people with obesity who are already taking clozapine, there have been no published trials that have investigated the effect of metformin in attenuating weight gain at the time of clozapine initiation.

Effectiveness and safety of oral olanzapine treatment transitioned from rapid-acting intramuscular olanzapine for agitation associated with schizophrenia.

To assess the effectiveness and safety of oral olanzapine treatment transitioned from rapid-acting intramuscular olanzapine (RAIM) in patients with acute agitation associated with schizophrenia in a real-world clinical setting.

Functional Changes of Orexinergic Reaction to Psychoactive Substances.

It is becoming increasingly apparent the importance of the central nervous system (CNS) as the major contributor to the regulation of systemic metabolism. Antipsychotic drugs are used often to treat several psychiatric disorders, including schizophrenia and bipolar disorder However, antipsychotic drugs prescription, particularly the second-generation ones (SGAs), such as clozapine and olanzapine, is related to a considerable weight gain which usually leads to obesity. The aim of this paper is to assess the ...

A preliminary study of association of genetic variants with early response to olanzapine in schizophrenia.

Treatment response can be predicted in schizophrenia by DNA information in the drug metabolism pathways. This study aimed to examine clinical characteristics and genetic determinant (s) of early response to olanzapine treatment in schizophrenia using specified drug metabolizing genes.

Prevalence and Factors Associated With Clozapine-Related Constipation: An Observational Study.

Despite being a very effective treatment for resistant schizophrenia and bipolar disorder, use of clozapine is limited by adverse effects. Constipation is a common but potentially life-threatening adverse effect of clozapine that is understudied. The objective was to study the prevalence and factors associated with constipation in those receiving clozapine compared with control subjects.

Smoking in Schizophrenia: an Updated Review.

Patients with schizophrenia continue to have the highest rate of both smoking and heavy nicotine dependence. The interaction between smoking and schizophrenia is complex. There is evidence of the shared genetic background. Recent preclinical and clinical research has further investigated self-medication hypothesis, given that nicotine might alleviate cortical dysfunction. While prior research indicated some favorable effects of smoking on cognitive performance, particulatly on attention/vigilance, recent st...

Olanzapine, blonanserin, and aripiprazole associated with different frontostriatal reward system activation in patients with schizophrenia.

Cellular uptake of the atypical antipsychotic clozapine is a carrier-mediated process.

The weak base antipsychotic clozapine is the most effective medication for treating refractory schizophrenia. The brain-to-plasma concentration of unbound clozapine is greater than unity indicating transporter-mediated uptake, which has been insufficiently studied. This is important because it could have significant impact on clozapine's efficacy, drug-drug interaction and safety profile. A major limitation of clozapine's use is the risk of clozapine-induced agranulocytosis/ granulocytopenia (CIAG), which i...

Re-titration rates after clozapine-induced neutropenia or agranulocytosis: A case report and literature review.

Clozapine-induced neutropenia occurs in 3-5% of individuals treated with clozapine. Current US guidelines require interruption of clozapine when the absolute neutrophil count (ANC) drops below 1000 cells/mm. There is minimal available guidance for what dosing schedule to use when restarting clozapine after an episode of neutropenia. Here, we present a case of a 50-year-old Caucasian female with a history of schizoaffective disorder who was successfully rechallenged on clozapine one month after developing cl...

Olfactory deficit as a result of clozapine withdrawal syndrome in an animal model of schizophrenia: preliminary results.

Clozapine is an antipsychotic that produces serious withdrawal effects in schizophrenic patients. Olfactory deficits are well known as part of negative symptoms, but it is not known whether antipsychotic use and/or withdrawal are implicated. Then, we tested clozapine withdrawal in association with two widely used schizophrenia models: Neonatal immune challenge by Polycitidilic-polyinosinic acid (polyI:C) and ketamine. PolyI:C (or saline) was injected subcutaneously in neonatal period, dose of 5 mg/kg from 2...

Electroconvulsive therapy (ECT) in schizophrenia: a review of recent literature.

ECT remains an important, yet underutilized, treatment for schizophrenia. Recent research shows that medication-resistant patients with schizophrenia, including those resistant to clozapine, respond well to ECT augmentation. The purpose of this article is to review recent studies of the use of ECT in the treatment of schizophrenia.

Effects of chronic antipsychotic drug exposure on the expression of Translocator Protein and inflammatory markers in rat adipose tissue.

The precise effect of antipsychotic drugs on either central or peripheral inflammation remains unclear. An important issue in this debate is to what extent the known peripheral metabolic effects of antipsychotics, including increased adiposity, may contribute to increased inflammation. Adipose tissue is known to contribute to the development of systemic inflammation, which can eventually lead to insulin resistance and metabolic dysregulation. As a first step to address this question, we evaluated whether ch...

The 5α-reductase inhibitor finasteride increases suicide-related aggressive behaviors and blocks clozapine-induced beneficial effects in an animal model of schizophrenia.

Death by suicide is 5 times higher among schizophrenia patients than in the general population. There is now compelling evidence suggesting that the pathophysiology of suicide in schizophrenia does not involve central serotonergic neurotransmission disturbances, as has been shown in other contexts. We recently developed and characterized a murine Two-Hit Model of Suicide-related behavior in a schizophrenia-like context (THMS) (gestational inflammation with polyI:C at gestational day 12 followed by post-wean...

Treatment of clozapine-associated obesity and diabetes with exenatide (CODEX) in adults with schizophrenia: a randomised controlled trial.

Clozapine causes obesity and type-2 diabetes (T2DM). Glucagon-like-peptide-1 (GLP-1) agonists (e.g. exenatide) can counter clozapine-associated GLP-1 dysregulation in animals, and may be beneficial in people on clozapine. This randomised, controlled, open-label, pilot trial evaluated weekly exenatide for weight loss among clozapine-treated obese adults with schizophrenia, with or without T2DM. Twenty-eight outpatients were randomised to once-weekly extended-release sub-cutaneous exenatide or usual care for ...

Obesity exacerbates the acute metabolic side effects of olanzapine.

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 ...

Effect of clozapine dose and concentration on fasting concentration of appetite regulating peptides.

The aim of this study is to analyze whether clozapine serum concentration may affect fasting serum levels of several appetite regulating peptides: CART, PYY(1-36), NPY, AgRP, des-acylated ghrelin, leptin and obestatin. Serum concentration of clozapine and fasting serum levels of des-acylated ghrelin, neuropeptide Y (NPY), agouti-related protein (AgRP), peptide YY (PYY(1-36)), cocaine- and amphetamine-regulated transcript (CART), leptin and obestatin were measured in 30 subjects with schizophrenia on clozapi...

Assessment of the efficacy of omega-3 fatty acids on metabolic and inflammatory parameters in patients with schizophrenia taking clozapine and sodium valproate.

Omega-3 fatty acid (FA) supplementation has been reported to improve several cardio-metabolic risk factors. We aimed to assess the efficacy of omega-3 fatty acids on metabolic and inflammatory indices in patients with schizophrenia who were taking clozapine and sodium valproate. All patients were on a stable dose of 300-400mg of clozapine for 3 months. Subjects were randomized to treatment with either omega-3 fatty acid (4gr/day) or a placebo for 8 weeks. Height, weight, abdominal circumference, serum lipid...


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