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Antipsychotic response

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https://www.readbyqxmd.com/read/28230447/effect-of-medicaid-policy-changes-on-medication-adherence-differences-by-baseline-adherence
#1
Krutika Amin, Joel F Farley, Matthew L Maciejewski, Marisa E Domino
BACKGROUND: In 2001, the North Carolina (NC) Medicaid program reduced the number of days prescription supply that enrollees could fill from 100 days to 34 days and increased copayments for brand-name medications. Previous work has shown that a change in these policies led to a decrease in medication adherence from 2.9 to 8.0 percentage points in specific populations with chronic conditions. Studies have also shown that days supply limits and copayment increases have heterogeneous effects based on enrollees' baseline characteristics, including baseline adherence...
March 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28222513/clinical-effectiveness-and-tolerability-of-electroconvulsive-therapy-in-patients-with-neuropsychiatric-symptoms-of-dementia
#2
Moshe Isserles, Zafiris J Daskalakis, Sanjeev Kumar, Tarek K Rajji, Daniel M Blumberger
BACKGROUND: Dementia frequently presents with aggression, agitation, and disorganized behavior for which current treatment is partially effective and is associated with significant adverse effects. OBJECTIVE: The aim of this study was to retrospectively assess the clinical effectiveness and tolerability of electroconvulsive therapy (ECT) in a sample of patients with neuropsychiatric symptoms of dementia (NPS) and to explore factors associated with response and with cognitive adverse effects...
February 7, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28215900/lack-of-early-improvement-with-antipsychotics-is-a-marker-for-subsequent-nonresponse-in-behavioral-and-psychological-symptoms-of-dementia-analysis-of-catie-ad-data
#3
Kazunari Yoshida, Rachel Roberts, Takefumi Suzuki, Barry Lebowitz, Suzanne Reeves, Robert Howard, Takayuki Abe, Masaru Mimura, Hiroyuki Uchida
OBJECTIVE: Prediction of response or nonresponse to antipsychotics is especially important in patients with behavioral and psychological symptoms of dementia (BPSD) in whom antipsychotic exposure increases risks of death. This study examined whether the presence or absence of early improvement of BPSD with antipsychotics is associated with subsequent response or nonresponse. METHODS: In a post-hoc analysis of the Clinical Antipsychotic Trials of Intervention Effectiveness-Alzheimer's Disease (CATIE-AD) study (2001-2004) (clinicaltrials...
January 30, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28214176/sex-differences-in-prolactin-levels-in-emerging-psychosis-indication-for-enhanced-stress-reactivity-in-women
#4
Sarah Ittig, Erich Studerus, Ulrike Heitz, Stephanie Menghini-Müller, Katharina Beck, Laura Egloff, Letizia Leanza, Christina Andreou, Anita Riecher-Rössler
BACKGROUND: Hyperprolactinemia is a known side effect of antipsychotics. In recent reports it has also been shown in antipsychotic-naïve at-risk mental state (ARMS) and first-episode psychosis (FEP) patients. Prolactin is not only involved in reproduction and lactation, but is also synthesized in response to stress. As stress is thought to play an important role in the onset and relapse of schizophrenia, the aim of this study was to further elucidate the influence of prolactin in emerging psychosis...
February 14, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28210783/a-neuroimaging-study-of-emotion-cognition-interaction-in-schizophrenia-the-effect-of-ziprasidone-treatment
#5
Emmanuel Stip, Adel Cherbal, David Luck, Simon Zhornitsky, Lahcen Ait Bentaleb, Ovidiu Lungu
Functional and structural brain changes associated with the cognitive processing of emotional visual stimuli were assessed in schizophrenic patients after 16 weeks of antipsychotic treatment with ziprasidone. Forty-five adults aged 18 to 40 were recruited: 15 schizophrenia patients (DSM-IV criteria) treated with ziprasidone (mean daily dose = 120 mg), 15 patients treated with other antipsychotics, and 15 healthy controls who did not receive any medication. Functional and structural neuroimaging data were acquired at baseline and 16 weeks after treatment initiation...
February 17, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28208190/real-world-effectiveness-of-antipsychotics-for-the-treatment-of-negative-symptoms-in-patients-with-schizophrenia-with-predominantly-negative-symptoms
#6
Diego Novick, William Montgomery, Tamas Treuer, Maria Victoria Moneta, Josep Maria Haro
This study assessed the comparative effectiveness of antipsychotics in the treatment of patients with schizophrenia presenting with prominent negative symptoms and no-to-mild positive symptoms. Data were taken from a 3-year prospective, international, observational study (n=17 384). This post-hoc study focused on 3 712 patients who started antipsychotic monotherapy and had moderate-to-severe negative symptoms and no-to-mild positive symptoms (Clinical Global Impression-Severity Scale [GGI-SCH]). Patients were classified into 3 treatment cohorts: olanzapine, other atypicals and typicals...
February 16, 2017: Pharmacopsychiatry
https://www.readbyqxmd.com/read/28202410/atypical-antipsychotic-clozapine-reversed-deficit-on-prepulse-inhibition-of-the-acoustic-startle-reflex-produced-by-microinjection-of-doi-into-the-inferior-colliculus-in-rats
#7
Rodolpho Pereira de Oliveira, Karen Yuriko Nagaishi, Regina Cláudia Barbosa Silva
Dysfunctions of the serotonergic system have been suggested to be important in the neurobiology of schizophrenia. Patients with schizophrenia exhibit deficits in an operational measure of sensorimotor gating: prepulse inhibition (PPI) of startle. PPI is the normal reduction in the startle response caused by a low intensity non-startling stimulus (prepulse) which is presented shortly before the startle stimulus (pulse). The hallucinogen 2,5-dimethoxy-4-iodoamphetamine (DOI), a 5-hydroxytryptamine(HT)2 receptor agonist disrupted PPI in rats...
February 12, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28195931/should-antipsychotic-medications-for-schizophrenia-be-given-for-a-lifetime-a-naturalistic-long-term-follow-up-study
#8
Ira D Glick, John M Davis, Daisy Zamora, Jacob Ballon, Meena Nuthi
BACKGROUND: Schizophrenia remains a major health problem despite antipsychotic medications that, for most patients, can decrease acute symptoms, decrease relapses, and contribute to partial and sometimes strong positive response in patients with chronic symptoms. What has not been clear-because a double-blind, randomized, placebo-controlled trial is not feasible or ethical-is how many years after the initial episode, or onset of antipsychotic treatment, should medication be continued to achieve the best global outcome...
February 13, 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28192423/elucidation-of-molecular-kinetic-schemes-from-macroscopic-traces-using-system-identification
#9
Miguel Fribourg, Diomedes E Logothetis, Javier González-Maeso, Stuart C Sealfon, Belén Galocha-Iragüen, Fernando Las-Heras Andrés, Vladimir Brezina
Overall cellular responses to biologically-relevant stimuli are mediated by networks of simpler lower-level processes. Although information about some of these processes can now be obtained by visualizing and recording events at the molecular level, this is still possible only in especially favorable cases. Therefore the development of methods to extract the dynamics and relationships between the different lower-level (microscopic) processes from the overall (macroscopic) response remains a crucial challenge in the understanding of many aspects of physiology...
February 13, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28190430/delirium-in-critically-ill-patients
#10
A J C Slooter, R R Van De Leur, I J Zaal
Delirium is common in critically ill patients and associated with increased length of stay in the intensive care unit (ICU) and long-term cognitive impairment. The pathophysiology of delirium has been explained by neuroinflammation, an aberrant stress response, neurotransmitter imbalances, and neuronal network alterations. Delirium develops mostly in vulnerable patients (e.g., elderly and cognitively impaired) in the throes of a critical illness. Delirium is by definition due to an underlying condition and can be identified at ICU admission using prediction models...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28185672/cariprazine-versus-risperidone-monotherapy-for-treatment-of-predominant-negative-symptoms-in-patients-with-schizophrenia-a-randomised-double-blind-controlled-trial
#11
György Németh, István Laszlovszky, Pál Czobor, Erzsébet Szalai, Balázs Szatmári, Judit Harsányi, Ágota Barabássy, Marc Debelle, Suresh Durgam, István Bitter, Stephen Marder, W Wolfgang Fleischhacker
BACKGROUND: Although predominant negative symptoms of schizophrenia can be severe enough to cause persistent impairment, effective treatment options are lacking. We aimed to assess the new generation antipsychotic cariprazine in adult patients with predominant negative symptoms. METHODS: In this randomised, double-blind, phase 3b trial, we enrolled adults aged 18-65 years with long-term (>2 year), stable schizophrenia and predominant negative symptoms (>6 months) at 66 study centres (mainly hospitals and university clinics, with a small number of private practices) in 11 European countries...
February 6, 2017: Lancet
https://www.readbyqxmd.com/read/28180960/dissociable-effects-of-the-d-and-l-enantiomers-of-govadine-on-the-disruption-of-prepulse-inhibition-by-mk-801-and-apomorphine-in-male-long-evans-rats
#12
Brittney R Lins, Wendie N Marks, Anthony G Phillips, John G Howland
RATIONALE: The search for novel antipsychotic drugs to treat schizophrenia is driven by the poor treatment efficacy, serious side effects, and poor patient compliance of current medications. Recently, a class of compounds known as tetrahydroprotoberberines, which includes the compound d,l-govadine, have shown promise in preclinical rodent tests relevant to schizophrenia. To date, the effect of govadine on prepulse inhibition (PPI), a test for sensorimotor gating commonly used to assess the effects of putative treatments for schizophrenia, has not been determined...
February 8, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28174128/intervention-timing-is-important-to-the-effects-of-antipsychotics-in-adjusting-abnormalities-of-gating-function-but-not-accumbal-dopamine-efflux-in-isolation-reared-rats
#13
Yia-Ping Liu, Yu-Yin Yang, Fang-Jung Wan, Che-Se Tung
Early pharmacological treatment is a dilemma for psychiatrist in treating young schizophrenic patients. However, based on developmental theory, earlier antipsychotic intervention could be beneficial in terms of protecting the neurons from further deterioration. The present study aims to examine whether the intervention of second-generation antipsychotics (SGAs) launched at a younger age would provide a better index in amending the schizophrenia-relevant behavioral and neurochemical features, namely acoustic prepulse inhibition (PPI) and midbrain dopamine efflux, respectively...
February 4, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28144616/steroid-induced-psychosis-after-eus-guided-celiac-plexus-blockade
#14
David C Olson, Jason J Lewis
A 46-year-old female with no previous personal or family psychiatric history underwent endoscopic ultrasound (EUS)-guided celiac plexus blockade (CPB) to treat pain related to cystic fibrosis transmembrane conductance regulator-associated chronic pancreatitis. She had excellent response to her first three CPBs using bupivacaine and triamcinolone. The patient's subsequent CPBs were complicated by symptoms of racing thoughts, delusional thinking, and insomnia. She was diagnosed with acute psychosis secondary to triamcinolone...
2017: ACG Case Reports Journal
https://www.readbyqxmd.com/read/28141710/the-curse-of-the-dolphins-cognitive-decline-and-psychosis
#15
Randall Phelps, Anne Tsai, Arlene Hagen, Joseph Pinter, Raegan Smith, Martin T Stein
Isela is an 11-year-old Mexican-American girl with mild intellectual disability. During a vacation with her family, she went swimming with dolphins. A few days later, Isela awoke at night with laughing spells; during the day, she was pacing, aggressive, and had a decline in self-care and communication skills. Her parents attributed the symptoms to the dolphins. She was evaluated by a pediatric neurologist. The sleep-deprived electroencephalogram, brain magnetic resonance imaging, lumbar puncture, and thyroid function tests were normal...
February 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28141622/5-ht6-receptor-antagonist-as-an-adjunct-treatment-targeting-residual-symptoms-in-patients-with-schizophrenia-unexpected-sex-related-effects-double-blind-placebo-controlled-trial
#16
Margarita Morozova, Denis Burminskiy, George Rupchev, Taissia Lepilkina, Sergey Potanin, Allan Beniashvili, Yan Lavrovsky, Natalia Vostokova, Alexander Ivaschenko
BACKGROUND: Treating patients who experience residual psychotic symptoms during remission of schizophrenia remains one of the most challenging problems. The mechanisms underlying these symptoms differ from those of acute hallucinations and delusions. 5-HT6 receptor antagonists have been considered promising agents in treatment of residual psychotic symptoms and cognitive dysfunction. The aim of the study was to assess the efficacy of a selective 5-HT6 inhibitor Avisetron in the reduction of residual psychotic symptoms in patients with schizophrenia on stable antipsychotic therapy...
January 30, 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28138119/the-normalization-of-brain-%C3%A2-%C3%A2-f-fluorodeoxy-d-glucose-positron-emission-tomography-hypometabolism-following-electroconvulsive-therapy-in-a-55-year-old-woman-with-treatment-resistant-late-onset-depression-a-case-report
#17
Jeongjae Bak, Sang Mi Lee, Young-Joon Kwon, Se-Hoon Shim, Joong Il Kim
Major depressive disorder, especially in later life, has heterogeneous clinical characteristics and treatment responses. Symptomatically, psychomotor retardation, lack of energy, and apathy tends to be more common in people with late-onset depression (LOD). Despite recent advances in psychopharmacologic treatments, 20% to 30% of patients with mood disorders experience inadequate responses to medication, often resulting in a trial of electroconvulsive therapy (ECT). However, the therapeutic mechanism of ECT is still unclear...
February 28, 2017: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28137432/higher-than-recommended-dosages-of-antipsychotics-in-male-patients-with-schizophrenia-are-associated-with-increased-depression-but-no-major-neurocognitive-side-effects-results-of-a-cross-sectional-pilot-naturalistic-study
#18
Konstantinos N Fountoulakis, Xenia Gonda, Melina Siamouli, Katerina Moutou, Zoe Nitsa, Brian E Leonard, Siegfried Kasper
INTRODUCTION: The current small pilot naturalistic cross-sectional study assesses whether higher dosages of antipsychotics are related to a satisfactory outcome concerning symptoms of schizophrenia but also to a worse outcome in terms of adverse events and neurocognitive function. MATERIAL AND METHODS: 41 male stabilized hospitalized schizophrenic patients were assessed by PANSS, Calgary Depression Rating Scale, UKU and Simpson-Angus Scale and a battery of neurocognitive tests...
January 28, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28129701/how-gender-affects-the-pharmacotherapeutic-approach-to-treating-psychosis-a-systematic-review
#19
Bettina Lange, Juliane Katrina Mueller, F Markus Leweke, Jan Malte Bumb
The effectiveness, effective dosages and side effect profiles of antipsychotic medication differ significantly between the sexes. Areas covered: We present a systematic review of gender-differences in the treatment of psychosis focusing on randomized, controlled trials and meta-analyses. Expert opinion: Despite many years of research, the database on gender-differences affecting the pharmacotherapeutic approach to treating psychosis is insufficient. Currently, the US National Institute of Health encouraged the enrolment of female participants in federally supported phase III clinical trials to increase the data available of female patients...
January 27, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28127934/antipsychotic-augmentation-vs-monotherapy-in-schizophrenia-systematic-review-meta-analysis-and-meta-regression-analysis
#20
Britta Galling, Alexandra Roldán, Katsuhiko Hagi, Liz Rietschel, Frozan Walyzada, Wei Zheng, Xiao-Lan Cao, Yu-Tao Xiang, Mathias Zink, John M Kane, Jimmi Nielsen, Stefan Leucht, Christoph U Correll
Antipsychotic polypharmacy in schizophrenia is much debated, since it is common and costly with unclear evidence for its efficacy and safety. We conducted a systematic literature search and a random effects meta-analysis of randomized trials comparing augmentation with a second antipsychotic vs. continued antipsychotic monotherapy in schizophrenia. Co-primary outcomes were total symptom reduction and study-defined response. Antipsychotic augmentation was superior to monotherapy regarding total symptom reduction (16 studies, N=694, standardized mean difference, SMD=-0...
February 2017: World Psychiatry: Official Journal of the World Psychiatric Association (WPA)
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