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Schizophrenia and negative symptoms

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https://www.readbyqxmd.com/read/28817993/early-psychosis-in-central-vietnam-a-longitudinal-study-of-short-term-functional-outcomes-and-their-predictors
#1
Seiji Humphries, Robert King, Michael P Dunne, Cat Huu Nguyen
BACKGROUND: Few longitudinal studies have investigated the functional outcomes of individuals with recent-onset psychotic illness in low- and middle-income countries. AIMS: To investigate short-term functional remission and its predictors in a central Vietnamese sample. METHODS: A naturalistic 6-month prospective cohort study recruited 79 patients of public health facilities who had experienced a first episode of schizophrenia or related illness in the past 18 months...
August 1, 2017: International Journal of Social Psychiatry
https://www.readbyqxmd.com/read/28811079/neuroleptic-free-youth-at-ultrahigh-risk-for-psychosis-evidence-diminished-emotion-reactivity-that-is-predicted-by-depression-and-anxiety
#2
June Gruber, Gregory P Strauss, Laure Dombrecht, Vijay A Mittal
Although abnormalities in emotional response have long been considered a core feature of the chronic phase of schizophrenia, few investigations have examined emotional response in individuals at ultrahigh-risk (UHR) for psychosis. We investigated whether neuroleptic-free UHR (n=29) and healthy control (n=32) participants differed in emotional reactivity and emotion regulation on a laboratory-based task that required reporting levels of positive and negative affect to pleasant, unpleasant, and neutral stimuli...
August 12, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28807542/rapid-and-simple-analysis-of-disease-associated-biomarkers-of-taiwanese-patients-with-schizophrenia-using-matrix-assisted-laser-desorption-ionization-mass-spectrometry
#3
Tiao-Lai Huang, Li-Hua Lo, Jentaie Shiea, Hung Su
BACKGROUND: Matrix-assisted laser desorption ionization/time-of-flight mass spectrometry (MALDI-TOF MS) is an extremely sensitive analytical tool for characterizing biological compounds in bio samples. In this study, we applied MALDI-TOF MS to assess potential protein biomarkers in the peripheral blood mononuclear cells (PBMCs) of patients with schizophrenia in the acute phase, recovery phase and healthy controls in Taiwan. METHODS: We recruited 40 participants, including 20 pairs of patients diagnosed with schizophrenia in the acute phase, after four-week treatment with drug in the recovery phase, and 20 healthy controls...
August 11, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28807142/efficacy-of-lurasidone-in-the-treatment-of-agitation-a-post-hoc-analysis-of-five-short-term-studies-in-acutely-ill-patients-with-schizophrenia
#4
Michael H Allen, Leslie Citrome, Andrei Pikalov, Jay Hsu, Antony Loebel
OBJECTIVE: This post hoc analysis evaluated the effect of lurasidone on agitation in acutely ill patients with schizophrenia. METHOD: Patient-level data were pooled from five 6-week, randomized, double-blind, placebo-controlled studies of fixed-dose, once-daily, oral lurasidone (40, 80, 120, or 160 mg/d). Agitation was assessed with the Positive and Negative Syndrome Scale-Excited Component (PANSS-EC) score, utilizing a mixed model for repeated measurement analysis...
July 2017: General Hospital Psychiatry
https://www.readbyqxmd.com/read/28803924/differential-regulation-of-the-tlr4-signalling-pathway-in-post-mortem-prefrontal-cortex-and-cerebellum-in-chronic-schizophrenia-relationship-with-sp-transcription-factors
#5
Karina S MacDowell, Raquel Pinacho, Juan C Leza, Joan Costa, Belén Ramos, Borja García-Bueno
Alterations in innate immunity may underlie the pathophysiology of schizophrenia (SZ). Toll-like receptor-4 (TLR4) is a master element of innate immunity. The specificity proteins (SPs), transcription factors recently implicated in SZ, are putative regulatory agents of this. This work was aimed at describing alterations in the TLR4 signalling pathway in postmortem brain prefrontal cortex (PFC) and cerebellum (CB) of 16 chronic SZ patients and 14 controls. The possible association of TLR4 pathway with SP1 and SP4 and SZ negative symptomatology is explored...
August 10, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28803039/suicidal-behaviors-and-their-relationship-with-psychotic-like-symptoms-in-children-and-adolescents-at-clinical-high-risk-for-psychosis
#6
Eugene J D'Angelo, Sarah Hope Lincoln, Nicholas Morelli, Kelsey Graber, Sahil Tembulkar, Joseph Gonzalez-Heydrich
BACKGROUND: Previous research has demonstrated elevated rates of suicide attempts and ideation in individuals with psychosis. This study investigated rates and severity of suicidal behavior in youth with and at clinical high risk for psychosis, and examined the positive, negative, and disorganized symptoms associated with suicidal behaviors among the clinical high risk group. METHODS: Eighty-six youth ages 7-18 (n=21 non-clinical controls [NCC], n=40 clinical high risk [CHR], n=25 diagnosed psychotic disorder [PD]) were recruited...
July 20, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28801195/avoidance-of-accelerated-aging-in-schizophrenia-clinical-and-biological-characterization-of-an-exceptionally-high-functioning-individual
#7
Barton W Palmer, Raeanne C Moore, Lisa T Eyler, Luz L Pinto, Elyn R Saks, Dilip V Jeste
OBJECTIVE: To determine the clinical and biological characteristics of an exceptionally high functioning index person (IP) with schizophrenia in her mid-50s, which may represent compensatory mechanisms, and potentially, avoidance of the accelerated aging typically associated with schizophrenia. METHOD: IP, 11 other women with schizophrenia, and 11 non-psychiatric comparison (NC) women were assessed with standard ratings of psychopathology, neurocognitive function, decisional capacity, and functional brain imaging...
August 8, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28796022/a-pilot-study-of-the-usefulness-of-a-single-olanzapine-plasma-concentration-as-an-indicator-of-early-drug-effect-in-a-small-sample-of-first-episode-psychosis-patients
#8
Arantzazu Zabala, Mariana Bustillo, Imanol Querejeta, Marta Alonso, Oiane Mentxaka, Ana González-Pinto, Amaia Ugarte, J Javier Meana, Miguel Gutiérrez, Rafael Segarra
PURPOSE/BACKGROUND: Studies analyzing concentration-effect relationships in second-generation antipsychotics have reported contradictory results in chronic schizophrenia. No data are available for the early stages of the disease. The present study aims to evaluate the association between a single olanzapine plasma concentration, clinical response, and severity of adverse effects in first-episode psychosis (FEP); to test the utility of various plasma breakpoints as markers of early response to treatment; and to identify variables affecting olanzapine concentrations...
August 8, 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28779852/negative-symptoms-and-the-formation-of-social-affiliative-bonds-in-schizophrenia
#9
Julie M McCarthy, Kristen R Bradshaw, Lauren T Catalano, Cristina P Garcia, Asia Malik, Melanie E Bennett, Jack J Blanchard
Negative symptoms in schizophrenia are characterized by deficits in normative experiences and expression of emotion, and they are associated with poor social functioning. Negative symptoms relating to deficits in motivation and pleasure may hinder the development of affiliative bonds. The current study used a novel procedure to examine the relation between negative symptoms and the development of social affiliation within a laboratory setting. Fifty-five men (35 controls; 20 with a schizophrenia spectrum disorder) completed three Social Affiliation Enhancement Tasks with an experimenter partner...
August 2, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28777866/-association-of-val66met-polymorphism-of-brain-derived-neurotrophic-factor-gene-with-cognitive-impairment-and-clinical-symptoms-in-first-episode-schizophrenia
#10
Chengcheng Zhang, Xiaochu Gu, Qiang Wang, Mingli Li, Wei Deng, Wanjun Guo, Liansheng Zhao, Xiaohong Ma, Tao Li
OBJECTIVE: To assess the association of cognitive impairment and clinical symptoms in first-episode schizophrenia with the Val66Met (rs6265) polymorphism of brain-derived neurotrophic factor (BDNF) gene. METHODS: For 87 patients with first-episode schizophrenia and 76 healthy controls, the Val66Met polymorphism was determined with a Taqman Assay-on-Demand method. Wechsler intelligence test was carried out for all participants. Correlation of cognitive impairment with clinical severity was also analyzed...
August 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28776162/treatment-for-negative-symptoms-in-schizophrenia-a-comprehensive-review
#11
REVIEW
Selene R T Veerman, Peter F J Schulte, Lieuwe de Haan
Negative symptoms (such as amotivation and diminished expression) associated with schizophrenia are a major health concern. Adequate treatment would mean important progress with respect to quality of life and participation in society. Distinguishing primary from secondary negative symptoms may inform treatment options. Primary negative symptoms are part of schizophrenia. Well-known sources of secondary negative symptoms are psychotic symptoms, disorganisation, anxiety, depression, chronic abuse of illicit drugs and alcohol, an overly high dosage of antipsychotic medication, social deprivation, lack of stimulation and hospitalisation...
August 3, 2017: Drugs
https://www.readbyqxmd.com/read/28774193/declining-clinical-course-of-psychotic-disorders-over-the-two-decades-following-first-hospitalization-evidence-from-the-suffolk-county-mental-health-project
#12
Roman Kotov, Laura Fochtmann, Kaiqiao Li, Marsha Tanenberg-Karant, Eduardo A Constantino, Joan Rubinstein, Greg Perlman, Eva Velthorst, Anne-Kathrin J Fett, Gabrielle Carlson, Evelyn J Bromet
OBJECTIVE: Kraepelin considered declining course a hallmark of schizophrenia, but others have suggested that outcomes usually stabilize or improve after treatment initiation. The authors investigated this question in an epidemiologically defined cohort with psychotic disorders followed for 20 years after first hospitalization. METHOD: The Suffolk County Mental Health Project recruited first-admission patients with psychosis from all inpatient units of Suffolk County, New York (response rate, 72%)...
August 4, 2017: American Journal of Psychiatry
https://www.readbyqxmd.com/read/28772137/action-verb-fluency-deficits-in-schizophrenia-spectrum-disorders-linking-language-cognition-and-interpersonal-functioning
#13
Daria Smirnova, Melanie Clark, Assen Jablensky, Johanna C Badcock
Deficits in action (verb) fluency have previously been reported in schizophrenia spectrum disorders. The degree to which this reflects difficulties generating verbs in different semantic categories is unknown. Here, action fluency responses of 46 patients with schizophrenia spectrum disorders and 76 healthy controls were classified as action or mental state verbs, using well-established taxonomies. The word length, frequency, age of acquisition, valence and concreteness of the verbs produced were also examined...
July 25, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28771287/quality-of-life-in-patients-with-schizophrenia-in-china-relationships-among-demographic-characteristics-psychosocial-variables-and-symptom-severity
#14
Chunfeng Cai, Liping Yu
The aim of the current study was to examine the relationships among demographic characteristics, psychosocial variables, symptom severity, and quality of life (QOL), and the way these variables affect QOL in patients with schizophrenia living in Hubei, China. A convenience sample of 178 individuals with schizophrenia participated. The results suggest that the Schizophrenia Quality of Life Scale was positively and statistically significantly correlated with employment status (r = 0.232, p < 0.01) and monthly household income (r = 0...
August 1, 2017: Journal of Psychosocial Nursing and Mental Health Services
https://www.readbyqxmd.com/read/28765681/efficacy-and-metabolic-influence-on-blood-glucose-and-serum-lipid-of-ziprasidone-in-the-treatment-of-elderly-patients-with-first-episode-schizophrenia
#15
Jing Chen, Xingen Pan, Mincai Qian, Shoukai Yang
BACKGROUND: As the age of the population in China rises, the occurrence of first-episode of schizophrenia in elderly persons is also gradually increasing. However, studies examining selection of therapeutic drugs for this population are relatively few. OBJECTIVE: To examine the therapeutic efficacy and metabolic influence on blood-glucose and serum lipid of ziprasidone in the treatment of elderly patients with first-episode schizophrenia. METHODS: Using randomized grouping, 38 elderly patients with first-episode schizophrenia were randomly divided into the ziprasidone treatment group (i...
April 25, 2017: Shanghai Archives of Psychiatry
https://www.readbyqxmd.com/read/28765677/efficacy-towards-negative-symptoms-and-safety-of-repetitive-transcranial-magnetic-stimulation-treatment-for-patients-with-schizophrenia-a-systematic-review
#16
Junjie Wang, Yingqun Zhou, Hong Gan, Jiaoyan Pang, Hui Li, Jijun Wang, Chunbo Li
BACKGROUND: Negative symptoms are one of the most difficult areas in the treatment of schizophrenia because antipsychotics are often less effective towards them. Repetitive transcranial magnetic stimulation (rTMS) is a new technique for cerebral cortex stimulation and is believed to be a safe and promising method for the treatment of mental disorders. As the clinical research and new treatment models have increased in recent years, the efficacy towards negative symptoms and safety evaluation of rTMS treatment should also be updated...
April 25, 2017: Shanghai Archives of Psychiatry
https://www.readbyqxmd.com/read/28765659/-empathy-social-cognition-and-subjective-quality-of-life-in-schizophrenia
#17
M C Martín Contero, R Secades Villa, J J López Goñi, J Tirapu Ustarroz
BACKGROUND: People diagnosed with schizophrenia present empathy deficits that have been related to their poor psychosocial functioning. The objectives were: 1) analyse the relation between empathy, social cognition and quality of life in subjects diagnosed with schizophrenia and other psychotic disorders; 2) eva¬luate these variables according to the severity of the features. METHODS: Forty-one patients, divided into two groups according to the level of severity, were included...
July 28, 2017: Anales del Sistema Sanitario de Navarra
https://www.readbyqxmd.com/read/28763736/schizophrenia-dissection-by-five-anxiety-and-depressive-subtype-comorbidities-clinical-implications-and-evolutionary-perspective
#18
André B Veras, Simone Cougo, Fernanda Meira, Clayton Peixoto, Jorge A Barros, Antonio E Nardi, Dolores Malaspina, Michael Poyurovsky, Jeffrey P Kahn
Twenty patients with DSM5 schizophrenia were comprehensively and formally assessed by an experienced psychiatrist. All subjects were assessed for: positive and negative psychotic symptoms; social anxiety; panic anxiety; obsessive compulsive disorder, atypical depression; major depression; suicide risk; and global assessment of functioning. Different profiles of clinical presentation and symptom evolution emerged for patients with schizophrenia who had co-morbid depression (15%), OCD (15%), panic or limited symptom attacks (55%) and social anxiety (5%)...
July 26, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28756468/the-impact-of-cognitive-insight-self-stigma-and-medication-compliance-on-the-quality-of-life-in-patients-with-schizophrenia
#19
Yin-Ju Lien, Hsin-An Chang, Yu-Chen Kao, Nian-Sheng Tzeng, Chien-Wen Lu, Ching-Hui Loh
Impaired quality of life (QoL) is a common and clinically relevant feature of schizophrenia. In the present study, we attempted to formulate a model of QoL in the chronic stage of schizophrenia by including key variables-namely cognitive insight, self-stigma, insight into treatment, and medication compliance-that were proposed as its significant predictors in previous studies. We employed structural equation modeling (SEM) to simultaneously test the associations between these variables. A total of 170 community-dwelling patients with schizophrenia participated in this study...
July 29, 2017: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/28754583/utilising-symptom-dimensions-with-diagnostic-categories-improves-prediction-of-time-to-first-remission-in-first-episode-psychosis
#20
Olesya Ajnakina, John Lally, Marta Di Forti, Simona A Stilo, Anna Kolliakou, Poonam Gardner-Sood, Paola Dazzan, Carmine Pariante, Tiago Reis Marques, Valeria Mondelli, James MacCabe, Fiona Gaughran, Anthony S David, Daniel Stamate, Robin M Murray, Helen L Fisher
There has been much recent debate concerning the relative clinical utility of symptom dimensions versus conventional diagnostic categories in patients with psychosis. We investigated whether symptom dimensions rated at presentation for first-episode psychosis (FEP) better predicted time to first remission than categorical diagnosis over a four-year follow-up. The sample comprised 193 FEP patients aged 18-65years who presented to psychiatric services in South London, UK, between 2006 and 2010. Psychopathology was assessed at baseline with the Positive and Negative Syndrome Scale and five symptom dimensions were derived using Wallwork/Fortgang's model; baseline diagnoses were grouped using DSM-IV codes...
July 25, 2017: Schizophrenia Research
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