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https://www.readbyqxmd.com/read/29238631/ethnic-and-age-disparities-in-patients-taking-long-acting-injectable-atypical-antipsychotics
#1
Mateen Soleman, Nikki Lam, Benjamin K Woo
Introduction This study will determine whether different ethnicities and different age groups receive equal amounts of long-acting atypical antipsychotics in comparison to their oral equivalents. Methods Secondary analyses of data from the Los Angeles County Department of Health Services Electronic Health Record (total N=63,134 inpatient visits) were performed. Chi-squared statistics were used to compare ethnicity and age with the use of either risperidone injectable or paliperidone palmitate (r-LAIs) versus risperidone oral...
October 12, 2017: Curēus
https://www.readbyqxmd.com/read/29232310/comparison-of-paliperidone-palmitate-and-risperidone-long-acting-injection-in-schizophrenic-patients-results-from-a-multicenter-retrospective-cohort-study-in-france
#2
Frédéric Limosin, Drifa Belhadi, Denis Comet, Maud Pacou, Sophie Bouju, Kristel Van Impe, Pascal Guillon
PURPOSE/BACKGROUND: The study objective was to compare the impact of being treated by paliperidone palmitate (PP) or risperidone long-acting injection (RLAI) on the length of stay on initial hospitalization, rehospitalization risk, and treatment duration in schizophrenic patients. METHODS: We conducted an observational retrospective cohort study in 43 centers in France, including schizophrenic patients who initiated a treatment by PP or RLAI during initial hospitalization...
December 11, 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/29228107/the-impact-of-antipsychotic-drugs-on-long-term-care-nursing-home-admission-and-death-among-dementia-patients
#3
Michael Nerius, Kristina Johnell, Sara Garcia-Ptacek, Maria Eriksdotter, Britta Haenisch, Gabriele Doblhammer
Background: Behavioral and psychological symptoms of dementia are commonly treated with antipsychotic drugs (APDs), which have been associated with adverse health effects. We examine the effect of APDs on long-term care (LTC), nursing home admission (NH), and death of dementia patients. Methods: We used health claims data of the largest German health insurer from 2004 to 2010 and followed newly-diagnosed dementia patients aged 60 years and older into LTC, NH, and until death...
December 8, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29226628/modeling-of-prolactin-response-following-dopamine-d2-receptor-antagonists-in-rats-can-it-be-translated-to-clinical-dosing
#4
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/29225461/risperidone-mucoadhesive-buccal-tablets-formulation-design-optimization-and-evaluation
#5
Burak Çelik
The aim of this study was to design and optimize risperidone (RIS) mucoadhesive buccal tablets for systemic delivery as an alternative route. Direct compression method was used for the preparation of buccal tablets, and screening studies were conducted with different polymers to determine their effects on tablet characteristics. Carbopol® (CP) and sodium alginate (SA) were selected as two polymer types for further optimization studies by applying response surface methodology. Tablet hardness (TH), ex vivo residence time (RT), and peak detachment force (DF) from buccal mucosa were selected as three important responses...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29224570/mapping-the-evidence-on-pharmacological-interventions-for-non-affective-psychosis-in-humanitarian-non-specialised-settings-a-unhcr-clinical-guidance
#6
Giovanni Ostuzzi, Corrado Barbui, Charlotte Hanlon, Sudipto Chatterjee, Julian Eaton, Lynne Jones, Derrick Silove, Peter Ventevogel
BACKGROUND: Populations exposed to humanitarian emergencies are particularly vulnerable to mental health problems, including new onset, relapse and deterioration of psychotic disorders. Inadequate care for this group may lead to human rights abuses and even premature death. The WHO Mental Health Gap Action Programme Intervention Guide (mhGAP-IG), and its adaptation for humanitarian settings (mhGAP-HIG), provides guidance for management of mental health conditions by non-specialised healthcare professionals...
December 11, 2017: BMC Medicine
https://www.readbyqxmd.com/read/29211814/overexpression-of-transmembrane-protein-168-in-the-mouse-nucleus-accumbens-induces-anxiety-and-sensorimotor-gating-deficit
#7
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/29181215/electroconvulsive-therapy-in-functional-hallucination-scope-and-challenges
#8
Sulochana Joshi, Rabi Shakya
Functional hallucinations are hallucinations triggered by a stimulus in the same modality and cooccur with it. They are rare in occurrence; however, their rarity has no significance as psychopathology till date. Also, very little is known about the treatment of such hallucinations. Electroconvulsive therapy (ECT) has been tested for several psychiatric illnesses and has a few relative contraindications; however, it has not previously been used in treating functional hallucinations. We report on a female patient with paranoid schizophrenia who experienced functional hallucinations continuously despite the use of adequate risperidone, which controlled other symptoms...
2017: Case Reports in Psychiatry
https://www.readbyqxmd.com/read/29175720/t4-and-waist-hip-ratio-as-biomarkers-of-antipsychotic-induced-weight-gain-in-han-chinese-inpatients-with-schizophrenia
#9
Shen Li, Ying Gao, Hao Lv, Miaomiao Zhang, Lili Wang, Rui Jiang, Chengai Xu, Xueshi Wang, Ming Gao, Yukun He, Jie Li, Wei-Dong Li
Second-generation antipsychotic agents (SGAs) cause serious metabolic side effects, including weight gain, dyslipidemia, and glucose metabolism abnormalities, which occur by unknown mechanisms. Therefore, the search for prospective markers for antipsychotic-induced weight gain (AIWG) has been of major interest. So far, predictive factors predisposing patients to the develop obesity and related metabolic disturbances induced by SGAs have been relatively less studied among large samples of Chinese schizophrenic patients...
November 21, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29175423/tropisetron-enhances-recognition-memory-in-rats-chronically-treated-with-risperidone-or-quetiapine
#10
Indrani Poddar, Patrick M Callahan, Caterina M Hernandez, Xiangkun Yang, Michael G Bartlett, Alvin V Terry
While impairments of cognition in schizophrenia have the greatest impact on long-term functional outcome, the currently prescribed treatments, antipsychotic drugs (APDs), do not effectively improve cognition. Moreover, while more than 20 years have been devoted to the development of new drugs to treat cognitive deficits in schizophrenia, none have been approved to date. One area that has not been given proper attention at the preclinical or clinical stage of drug development is the chronic medication history of the test subject...
November 23, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29173736/clinical-implications-from-the-treatment-of-severe-childhood-aggression-tosca-study-a-re-analysis-and-integration-of-findings
#11
Justin A Barterian, L Eugene Arnold, Nicole V Brown, Cristan A Farmer, Craig Williams, Robert L Findling, David J Kolko, Oscar G Bukstein, Brooke S G Molina, Lisa Townsend, Michael G Aman
OBJECTIVE: The Treatment of Severe Childhood Aggression (TOSCA) project examined augmentation of stimulant treatment and parent training (PT) with risperidone for severe physical aggression. This article summarizes the clinical implications; reanalyzes the data to examine the utility of 4 criteria for deciding to augment; and presents a treatment algorithm. METHOD: The newly analyzed 4 criteria for augmenting after 3 weeks of stimulant and PT treatment consisted of not meeting a Clinical Global Impressions-Improvement (CGI-I) score of 1 and a normal score (≤15) on the Nisonger Child Behavior Rating Form Disruptive-Total (D-Total); a CGI-I score of 1 or 2 plus 25% improvement in D-Total score; a D-Total score no higher than 15; and a CGI-Severity score of 3 (mild) or better...
December 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/29168261/-impact-of-drug-reimbursement-policies-on-prescribing-a-case-study-of-a-newly-marketed-long-acting-injectable-antipsychotics-among-relapsed-schizophrenia-patients
#12
John W Jackson, Lisa Fulchino, James Rogers, Helen Mogun, Jennifer Polinski, David C Henderson, Sebastian Schneeweiss, Michael A Fischer
OBJECTIVE: To quantify and explain variation in use of long-acting injectable antipsychotics (LAIs) in the United States, and understand the relationship between patient characteristics, drug reimbursement policies, and LAI prescribing after relapse. METHODS: A cohort of recently relapsed patients with schizophrenia ages 18 to 64, identified immediately after discharge from a related inpatient hospitalization, partial hospitalization, or emergency room visit, drawn from 2004 to 2006 Medicaid claims, and followed for 90 days until LAI initiation...
November 23, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/29162032/the-metabolic-side-effects-of-12-antipsychotic-drugs-used-for-the-treatment-of-schizophrenia-on-glucose-a-network-meta-analysis
#13
Yangyu Zhang, Yingyu Liu, Yingying Su, Yueyue You, Yue Ma, Guang Yang, Yan Song, Xinyu Liu, Mohan Wang, Lili Zhang, Changgui Kou
BACKGROUND: Antipsychotics have serious metabolic side effects on blood glucose. However, the comparative influence of these drugs on blood glucose levels has not been comprehensively evaluated. We conducted a network meta-analysis to create a hierarchy of the side effects of 12 antipsychotic drugs on changes in blood glucose levels. METHODS: A systematic search of the PubMed, EMBASE and Cochrane databases (last search June 2016) was conducted to identify studies that reported randomized controlled trials (RCTs) comparing changes in blood glucose levels between patients receiving one of 12 antipsychotic drugs or a placebo for the treatment of schizophrenia or related disorders...
November 21, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/29160620/dna-methylation-of-mb-comt-in-malaysian-schizophrenia-patients
#14
Abd Rahim Nour El Huda, Ku Zaifah Norsidah, Rahim Mohd Nabil Fikri, Mohd Noor Hanisah, Abdullah Kartini, A Talib Norlelawati
AIM: This study examined catechol-O-methyltransferase (COMT) DNA methylation in the peripheral blood of schizophrenia patients and also in healthy controls to investigate its potential use as a peripheral biomarker of schizophrenia and its relationships with the clinical variables of schizophrenia patients. METHODS: We examined the DNA methylation levels of COMT using genomic DNA from the peripheral blood of schizophrenia patients (n = 138) and healthy control participants (n = 132); all were Malaysian Malays...
November 21, 2017: Psychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/29153926/pharmacokinetics-of-risperidone-in-different-application-forms-comparing-long-acting-injectable-and-oral-formulations
#15
Georgios Schoretsanitis, Jose de Leon, Ekkehard Haen, Benedikt Stegmann, Christoph Hiemke, Gerhard Gründer, Michael Paulzen
We aimed to explore the differences in the pharmacokinetics of risperidone between oral and long-acting injectable (LAI) formulations using a large database of therapeutic drug monitoring (TDM). Plasma concentrations of risperidone (RIS), its active metabolite (9-OH-RIS) and the active moiety (AM) (RIS+9-OH-RIS), their concentration-to-dose (C/D) ratios and ratio of RIS/9-OH-RIS (an index of CYP2D6 metabolic activity) were used to compare patients receiving risperidone orally (n = 851) and those treated with LAI RIS (n = 63)...
November 16, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29152440/risperidone-induced-amenorrhea-in-floridly-psychotic-female
#16
Shanila Shagufta, Faiza Farooq, Ali M Khan, Kamil Dar, Abdul Mohit
Despite the high prevalence of hyperprolactinemia in patients receiving antipsychotic medications, its side effects are often neglected. In patients receiving risperidone, the incidence of menstrual abnormalities is relatively small. Our patient was a 44-year-old, Haitian female whose total course of hospitalization was nine months, during most of which she remained floridly psychotic with low cognitive function with waxing and waning symptoms. She developed hyperprolactinemia and amenorrhea on risperidone...
September 13, 2017: Curēus
https://www.readbyqxmd.com/read/29144549/zuclopenthixol-dihydrochloride-for-schizophrenia
#17
REVIEW
Edward J Bryan, Marie Ann Purcell, Ajit Kumar
BACKGROUND: Oral zuclopenthixol dihydrochloride (Clopixol) is an anti-psychotic treatment for people with psychotic symptoms, especially those with schizophrenia. It is associated with neuroleptic malignant syndrome, a prolongation of the QTc interval, extra-pyramidal reactions, venous thromboembolism and may modify insulin and glucose responses. OBJECTIVES: To determine the effects of zuclopenthixol dihydrochloride for treatment of schizophrenia. SEARCH METHODS: We searched the Cochrane Schizophrenia Group's Trials Register (latest search 09 June 2015)...
November 16, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29132653/prefrontal-and-striatal-gamma-aminobutyric-acid%C3%A2-levels-and-the-effect-of-antipsychotic-treatment-in-first-episode-psychosis-patients
#18
Camilo de la Fuente-Sandoval, Francisco Reyes-Madrigal, Xiangling Mao, Pablo León-Ortiz, Oscar Rodríguez-Mayoral, Helgi Jung-Cook, Rodolfo Solís-Vivanco, Ariel Graff-Guerrero, Dikoma C Shungu
BACKGROUND: Abnormally elevated levels of gamma-aminobutyric acid (GABA) in the medial prefrontal cortex (mPFC) have been reported in antipsychotic-free patients with schizophrenia. Whether such GABA elevations are also present in other brain regions and persist after antipsychotic treatment has not been previously investigated. METHODS: Twenty-eight antipsychotic-naïve patients with first-episode psychosis (FEP) and 18 healthy control subjects completed the study...
October 10, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/29123887/two-cases-of-life-threatening-arrhythmia-induced-by-risperidone-evaluation-of-risperidone-and-9-hydroxy-risperidone-concentrations
#19
Asami Ito, Tomoyuki Enokiya, Eiji Kawamoto, Yoshiaki Iwashita, Taichi Takeda, Kenji Ikemura, Masahiro Okuda, Hiroshi Imai
Cases: Case 1: A 20-year-old woman suffering a suspected overdose was transported to the hospital. She presented bradycardia with wide QRS waves and QT prolongation, followed by cardiac arrest. Extracorporeal cardiopulmonary resuscitation was implemented, improving circulation. Risperidone and 9OH-RIS levels were 9.6 ng/mL and 127.6 ng/mL, respectively. Case 2: A 54-year-old woman was hospitalized for femoral fracture and underwent surgery. Her electrocardiogram showed bradycardia and complete AV block...
July 2017: Acute Medicine & Surgery
https://www.readbyqxmd.com/read/29121571/high-throughput-%C3%AE-spe-based-elution-coupled-with-uplc-ms-ms-for-determination-of-eluxadoline-in-plasma-sample-application-in-pharmacokinetic-characterization-of-plga-nanoparticle-formulations-in-rats
#20
Muzaffar Iqbal, Essam Ezzeldin, Khalid A Al-Rashood, Ramadan Al-Shdefat, Md Khalid Anwer
Eluxadoline is a novel μ- and κ-opioid receptor (OR) agonist and δ-OR antagonist, recently approved as a first line therapy for the treatment of irritable bowel syndrome. Due to abuse potential, poor bioavailability and high intersubject variability, a sensitive and reliable assay is prerequisite for its determination in biological samples. This work first time report the development and validation of UPLC-MS/MS assay for determination of eluxadoline in rat plasma sample using risperidone as an internal standard (IS)...
October 28, 2017: Journal of Pharmaceutical and Biomedical Analysis
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