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PubMed Journals Articles About "Clozapine Olanzapine Haloperidol Schizophrenia" RSS

23:30 EDT 16th October 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 965

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.

Development of a population pharmacokinetic model of olanzapine for Chinese health volunteers and patients with schizophrenia.

Olanzapine is an atypical antipsychotic drug commonly used for the treatment of schizophrenia. However, there are still many complications associated with the use of olanzapine, and researchers continually strive to improve the handling of data from regular therapeutic drug monitoring (TDM). The objective of this study is to optimise the individualised treatment of olanzapine by establishing a population pharmacokinetics (PopPK) model in Chinese patients with schizophrenia.


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.

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.

ECT augmentation of clozapine for clozapine-resistant schizophrenia: A meta-analysis of randomized controlled trials.

Treatment-resistant schizophrenia (TRS) is common and debilitating. A subgroup of patients even has clozapine-resistant schizophrenia (CRS). We aimed to evaluate the efficacy and safety of electroconvulsive therapy (ECT) augmentation of clozapine for CRS. Systematic literature search of randomized controlled trials (RCTs) reporting on ECT augmentation of clozapine in CRS. Co-primary outcomes included symptomatic improvement at post-ECT assessment and study endpoint. Eighteen RCTs (n = 1769) with 20 acti...

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...

Effects of Olanzapine and Haloperidol on mTORC1 signaling, Dendritic Outgrowth, and Synaptic Proteins in Rat Primary Hippocampal Neurons under Toxic Conditions.

Recent studies have demonstrated that antipsychotic drugs may activate mammalian target of rapamycin complex 1 (mTORC1) signaling in neurons. However, the relationship between mTORC1 signaling activation and currently prescribed antipsychotic drugs remains incompletely understood. The purpose of this study was to determine whether alterations in the level of mTORC1 signaling occur after rat primary hippocampal neurons are treated with olanzapine and haloperidol under toxic conditions. Additionally, we inves...

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.

Antipsychotic drugs for elderly patients with schizophrenia: A systematic review and meta-analysis.

Elderly patients with schizophrenia are a particularly vulnerable group often excluded from clinical trials. Currently there is no evidence-synthesis about the efficacy and safety of antipsychotics in this subgroup. We reviewed all randomized-controlled-trials, about antipsychotics in elderly schizophrenics (last search Dec 12, 2017). Pairwise meta-analyses were conducted. The primary outcome was overall symptoms. Secondary outcomes included positive symptoms, negative symptoms, response, dropouts, quality ...

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.

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...

Myocarditis in a Patient on Clozapine: What did it?

We are presenting the case of a 37-year-old male with schizoaffective disorder who developed myocarditis within three weeks of starting on clozapine for his treatment-resistant psychosis. The patient also had a positive titer for Influenza A, which makes it a diagnostic dilemma regarding the cause of his myocarditis. It may be possible that the myocarditis was caused by the Influenza A virus or synergistically exacerbated the clozapine's propensity to cause it. Currently, there are no studies establishing t...

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...

Clozapine-Associated Aspiration During Electroconvulsive Therapy.

Clozapine-induced gastric hypomotility (CIGH) is an underreported, underrecognized effect from high-dose clozapine. In this report, we present a patient with treatment refractory schizophrenia receiving high-dose clozapine who aspirated during general anesthesia for electroconvulsive therapy. To our knowledge, this is the first report of aspiration under general anesthesia as a result of CIGH and highlights the potential dangers high-dose clozapine can pose on patients undergoing electroconvulsive therapy w...

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...

Hepatitis, Interstitial Nephritis, and Pancreatitis in Association With Clozapine Treatment: A Systematic Review of Case Series and Reports.

Clozapine is the criterion standard in treatment-resistant schizophrenia. We sought to review data on several inflammatory effects associated with clozapine, specifically interstitial nephritis, hepatitis, and pancreatitis.

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...

Comparing Schizophrenia Patients With a Predicted High/Low Risk of Nonresponse Receiving Treatment with Ziprasidone and Haloperidol: A Randomized-Controlled Study.

The aim of this double-blind randomized study was to evaluate the response to antipsychotic treatment in schizophrenia patients with predicted high/low risk of nonresponse identified by applying a set of well-established scales and predictors of outcome and to compare efficacy between ziprasidone and haloperidol.

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...

Clozapine as a first- or second-line treatment in schizophrenia: a systematic review and meta-analysis.

No consensus exists on whether clozapine should be prescribed in early stages of psychosis. This systematic review and meta-analysis therefore focus on the use of clozapine as first-line or second-line treatment in non-treatment-resistant patients.


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