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omega-3 fatty acids and schizophrenia

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https://www.readbyqxmd.com/read/29121974/a-randomised-double-blind-placebo-controlled-trial-of-minocycline-and-or-omega-3-fatty-acids-added-to-treatment-as-usual-for-at-risk-mental-states-nayab-study-protocol
#1
Inti Qurashi, Imran B Chaudhry, Ameer B Khoso, Sana Farooque, Steve Lane, Mohammad Omair Husain, Simon Chu, Jane Sarginson, Munir Hamarani, Haider A Naqvi, Bushra Razzaque, Fareed A Minhas, Alison R Yung, J F W Deakin, Nusrat Husain
BACKGROUND: The at-risk mental state (ARMS) describes individuals at high risk of developing schizophrenia or psychosis. The use of antipsychotics in this population is not supported, because most individuals with ARMS are unlikely to develop psychosis. Anti-inflammatory treatments and polyunsaturated fatty acids (PUFAs) may have some beneficial effects in the treatment of ARMS. There have been no controlled clinical trials in which researchers have investigated the use of minocycline for ARMS and no trials involving PUFAs in combination with other proposed treatments...
November 9, 2017: Trials
https://www.readbyqxmd.com/read/29079060/omega-3-fatty-acid-supplementation-may-prevent-loss-of-gray-matter-thickness-in-the-left-parieto-occipital-cortex-in-first-episode-schizophrenia-a-secondary-outcome-analysis-of-the-offer-randomized-controlled-study
#2
Tomasz Pawełczyk, Ewa Piątkowska-Janko, Piotr Bogorodzki, Piotr Gębski, Marta Grancow-Grabka, Elżbieta Trafalska, Natalia Żurner, Agnieszka Pawełczyk
The aim of the study was to assess changes in cortical thickness related to the use of n-3 polyunsaturated fatty acids (PUFA) as add-on therapy in patients with first episode schizophrenia. A double-blind randomized controlled study was conducted using a 26-week intervention composed of concentrated fish oil containing 2.2g/d of eicosapentaenoic (EPA) and docosahexaenoic acid (DHA) or placebo (olive oil). Participants underwent MRI scanning twice to assess changes in cortical thickness: at the beginning and at the end of intervention...
October 24, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/29079039/neurocognitive-effects-of-an-omega-3-fatty-acid-and-vitamins-e-c-in-schizophrenia-a-randomised-controlled-trial
#3
H Bentsen, N I Landrø
There is need for more efficient treatment of neurocognitive deficits in schizophrenia. In this 16 weeks randomised, placebo-controlled trial, we examined neurocognitive effects of adding ethyl-eicosapentaenoate 2g/day and/or vitamins E 364mg/day + C 1000mg/day to antipsychotics in 53 patients aged 18-39 years with acute schizophrenia. For the sake of validating neurocognitive tests, healthy subjects, not taking trial drugs, were also included in the study. Ethyl-EPA given alone to patients with low baseline RBC polyunsaturated fatty acids (PUFA), and Vitamins E+C given alone to high PUFA patients, impaired sustained attention (Continuous Performance Test, CPT-IP d prime score), standardised effect sizes d = 0...
October 16, 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/28740828/omega-3-fatty-acids-related-to-cognitive-impairment-in-patients-with-schizophrenia
#4
Kazumi Satogami, Shun Takahashi, Shinichi Yamada, Satoshi Ukai, Kazuhiro Shinosaki
Cognitive impairment is strongly associated with functional outcome in patients with schizophrenia but its pathophysiology remains largely unclear. Involvement of omega-3 fatty acids in the cognitive function of healthy individuals and patients with neuropsychiatric disease has received increasing attention. The aim of this study was to examine the relationship between omega-3 fatty acids with cognitive function, social function, and psychiatric symptoms in patients with schizophrenia. The subjects included 30 patients with schizophrenia or schizoaffective disorder...
September 2017: Schizophrenia Research. Cognition
https://www.readbyqxmd.com/read/28665288/-dietary-intake-of-young-icelanders-with-psychotic-disorders-and-weight-development-over-an-8-12-months-period
#5
Helga Gudrun Fridthjofsdottir, Olof Gudny Geirsdottir, Halldora Jonsdottir, Laufey Steingrimsdottir, Inga Thorsdottir, Holmfridur Thorgeirsdottir, Nanna Briem, Ingibjorg Gunnarsdottir
INTRODUCTION: The prevalence of lifestyle related diseases is higher among people with psychotic disorders than the general population. The aim was to assess dietary intake of young people with psychotic disorders for the first time in Iceland. MATERIAL AND METHODS: Subjects were young people (n=48, age 18-30y) with psychotic disorders. Dietary intake was assessed by a 24-hour recall in July-August 2016, and compared with official recommendations and intake of the general public (n=250, age 18-30y)...
June 2017: Læknablađiđ
https://www.readbyqxmd.com/read/28560258/vulnerability-to-omega-3-deprivation-in-a-mouse-model-of-nmda-receptor-hypofunction
#6
Rehnuma Islam, Marc-Olivier Trépanier, Marija Milenkovic, Wendy Horsfall, Ali Salahpour, Richard P Bazinet, Amy J Ramsey
Several studies have found decreased levels of ω-3 polyunsaturated fatty acids in the brain and blood of schizophrenia patients. Furthermore, dietary ω-3 supplements may improve schizophrenia symptoms and delay the onset of first-episode psychosis. We used an animal model of NMDA receptor hypofunction, NR1KD mice, to understand whether changes in glutamate neurotransmission could lead to changes in brain and serum fatty acids. We further asked whether dietary manipulations of ω-3, either depletion or supplementation, would affect schizophrenia-relevant behaviors of NR1KD mice...
2017: NPJ Schizophrenia
https://www.readbyqxmd.com/read/28509906/therapeutic-efficacy-of-atypical-antipsychotic-drugs-by-targeting-multiple-stress-related-metabolic-pathways
#7
H L Cai, P Jiang, Q Y Tan, R L Dang, M M Tang, Y Xue, Y Deng, B K Zhang, P F Fang, P Xu, D X Xiang, H D Li, J K Yao
Schizophrenia (SZ) is considered to be a multifactorial brain disorder with defects involving many biochemical pathways. Patients with SZ show variable responses to current pharmacological treatments of SZ because of the heterogeneity of this disorder. Stress has a significant role in the pathophysiological pathways and therapeutic responses of SZ. Atypical antipsychotic drugs (AAPDs) can modulate the stress response of the hypothalamic-pituitary-adrenal (HPA) axis and exert therapeutic effects on stress by targeting the prefrontal cortex (PFC) and hippocampus...
May 16, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28499901/antioxidant-and-anti-inflammatory-nutrient-status-supplementation-and-mechanisms-in-patients-with-schizophrenia
#8
REVIEW
Sumedha Mitra, Radhika Natarajan, Douglas Ziedonis, Xiaoduo Fan
Over 50 million people around the world suffer from schizophrenia, a severe mental illness characterized by misinterpretation of reality. Although the exact causes of schizophrenia are still unknown, studies have indicated that inflammation and oxidative stress may play an important role in the etiology of the disease. Pro-inflammatory cytokines are crucial for normal central nervous development and proper functioning of neural networks and neurotransmitters. Patients with schizophrenia tend to have abnormal immune activation resulting in elevated pro-inflammatory cytokine levels, ultimately leading to functional brain impairments...
May 9, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28498576/a-critique-of-the-ultra-high-risk-and-transition-paradigm
#9
Jim van Os, Sinan Guloksuz
The transdiagnostic expression of psychotic experiences in common mental disorder (anxiety/depression/substance use disorder) is associated with a poorer prognosis, and a small minority of people may indeed develop a clinical picture that meets criteria for schizophrenia. However, it appears neither useful nor valid to observe early states of multidimensional psychopathology in young people through the "schizo"-prism, and apply misleadingly simple, unnecessary and inefficient binary concepts of "risk" and "transition"...
June 2017: World Psychiatry: Official Journal of the World Psychiatric Association (WPA)
https://www.readbyqxmd.com/read/28126360/effects-of-omega-3-pufa-on-immune-markers-in-adolescent-individuals-at-ultra-high-risk-for-psychosis-results-of-the-randomized-controlled-vienna-omega-3-study
#10
Stefan Smesny, Berko Milleit, Miriam R Schaefer, Jana Hesse, Monika Schlögelhofer, Kerstin Langbein, Uta-Christina Hipler, Maximus Berger, David R Cotter, Heinrich Sauer, Patrick D McGorry, G Paul Amminger
Alterations of immune function have been reported in ultra-high risk (UHR) for psychosis patients causing expectations in terms of predictive meaningfulness and benefits of anti-inflammatory agents. According to a RCT in UHR-patients supplementation of omega-3 polyunsaturated fatty acids (PUFA) was effective in reducing transition to psychosis risk and to improve symptomatology. Based on preclinical findings, we now investigated state marker properties of and the influence of PUFA on immune markers in a RCT (clinical trials...
January 23, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/27737475/pharmacotherapy-in-children-and-adolescents-at-clinical-high-risk-for-psychosis-and-bipolar-disorder
#11
REVIEW
M Lambert, V Niehaus, C Correll
This review aims to describe the importance of i) detecting individuals at clinical high-risk for psychosis (schizophrenia) or bipolar disorder, especially in children and adolescents, in order to enable early intervention, and ii) evaluating different intervention strategies, especially pharmacotherapy, during the subsyndromal or "prodromal" stages of these severe and often debilitating disorders. The different approaches regarding the psychotic and bipolar clinical high-risk state are discussed, including reasons and evidence for early (pharmacological) intervention and risks of treatment vs...
November 2016: Pharmacopsychiatry
https://www.readbyqxmd.com/read/27608809/n-3-polyunsaturated-fatty-acids-through-the-lifespan-implication-for-psychopathology
#12
REVIEW
Matteo M Pusceddu, Philip Kelly, Catherine Stanton, John F Cryan, Timothy G Dinan
OBJECTIVE: The impact of lifetime dietary habits and their role in physical, mental, and social well-being has been the focus of considerable recent research. Omega-3 polyunsaturated fatty acids as a dietary constituent have been under the spotlight for decades. Omega-3 polyunsaturated fatty acids constitute key regulating factors of neurotransmission, neurogenesis, and neuroinflammation and are thereby fundamental for development, functioning, and aging of the CNS. Of note is the fact that these processes are altered in various psychiatric disorders, including attention deficit hyperactivity disorder, depression, and Alzheimer's disease...
December 2016: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27472373/supplementation-with-omega-3-fatty-acids-in-psychiatric-disorders-a-review-of-literature-data
#13
REVIEW
Paola Bozzatello, Elena Brignolo, Elisa De Grandi, Silvio Bellino
A new application for omega-3 fatty acids has recently emerged, concerning the treatment of several mental disorders. This indication is supported by data of neurobiological research, as highly unsaturated fatty acids (HUFAs) are highly concentrated in neural phospholipids and are important components of the neuronal cell membrane. They modulate the mechanisms of brain cell signaling, including the dopaminergic and serotonergic pathways. The aim of this review is to provide a complete and updated account of the empirical evidence of the efficacy and safety that are currently available for omega-3 fatty acids in the treatment of psychiatric disorders...
July 27, 2016: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/27470381/celecoxib-and-omega-3-fatty-acids-alone-and-in-combination-with-risperidone-affect-the-behavior-and-brain-biochemistry-in-amphetamine-induced-model-of-schizophrenia
#14
Alaa El-Sayed El-Sisi, Samia Salem Sokkar, Magda El-Sayed El-Sayad, Ehab Sayed Ramadan, Enass Yossef Osman
The implications of oxidative stress and neuro-inflammation in the pathogenesis of schizophrenia have been elucidated. Despite their effectiveness against positive symptoms of schizophrenia, antipsychotics have limited effectiveness against negative and cognitive symptoms and are associated with remarkable adverse effects. The use of celecoxib or omega-3 in schizophrenia may have beneficial effects. This study aimed to evaluate the possible efficacies of celecoxib, omega-3 or the combination of celecoxib+risperidone and omega-3+ risperidone compared to risperidone on the behavior and brain biochemistry in rats...
August 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27255642/people-with-schizophrenia-and-depression-have-a-low-omega-3-index
#15
Natalie Parletta, Dorota Zarnowiecki, Jihyun Cho, Amy Wilson, Nicholas Procter, Andrea Gordon, Svetlana Bogomolova, Kerin O'Dea, John Strachan, Matt Ballestrin, Andrew Champion, Barbara J Meyer
Cardiovascular disease (CVD) is higher in people with mental illness and is associated with a 30 year higher mortality rate in this population. Erythrocyte docosahexaenoic acid (DHA) plus eicosapentaenoic acid (EPA) (omega-3 index)≤4% is a marker for increased mortality risk from CVD while >8% is protective. Omega-3 polyunsaturated fatty acids are also important for brain function and may ameliorate symptoms of mental illness. We investigated the erythrocyte omega-3 index in people with mental illness...
July 2016: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/27161262/-duration-of-untreated-psychosis-a-state-of-the-art-review-and-critical-analysis
#16
REVIEW
L Souaiby, R Gaillard, M-O Krebs
INTRODUCTION: Prognosis of schizophrenia has not significantly improved despite extensive research. There is often a relatively long delay between onset of symptoms and treatment initiation. Lately, duration of untreated psychosis (DUP), the time between the onset of psychosis and initiation of treatment, has been one of the most studied variables in patients presenting for a first psychotic episode in order to evaluate the impact of early intervention on the prognosis of schizophrenia...
August 2016: L'Encéphale
https://www.readbyqxmd.com/read/27046645/towards-understanding-and-predicting-suicidality-in-women-biomarkers-and-clinical-risk-assessment
#17
D F Levey, E M Niculescu, H Le-Niculescu, H L Dainton, P L Phalen, T B Ladd, H Weber, E Belanger, D L Graham, F N Khan, N P Vanipenta, E C Stage, A Ballew, M Yard, T Gelbart, A Shekhar, N J Schork, S M Kurian, G E Sandusky, D R Salomon, A B Niculescu
Women are under-represented in research on suicidality to date. Although women have a lower rate of suicide completion than men, due in part to the less-violent methods used, they have a higher rate of suicide attempts. Our group has previously identified genomic (blood gene expression biomarkers) and clinical information (apps) predictors for suicidality in men. We now describe pilot studies in women. We used a powerful within-participant discovery approach to identify genes that change in expression between no suicidal ideation (no SI) and high suicidal ideation (high SI) states (n=12 participants out of a cohort of 51 women psychiatric participants followed longitudinally, with diagnoses of bipolar disorder, depression, schizoaffective disorder and schizophrenia)...
June 2016: Molecular Psychiatry
https://www.readbyqxmd.com/read/26963912/relationship-between-erythrocyte-fatty-acid-composition-and-psychopathology-in-the-vienna-omega-3-study
#18
RANDOMIZED CONTROLLED TRIAL
Sung-Wan Kim, Min Jhon, Jae-Min Kim, Stefan Smesny, Simon Rice, Michael Berk, Claudia M Klier, Patrick D McGorry, Miriam R Schäfer, G Paul Amminger
This study investigated the relationship between erythrocyte membrane fatty acid (FA) levels and the severity of symptoms of individuals at ultra-high risk (UHR) for psychosis. Subjects of the present study consisted of 80 neuroleptic-naïve UHR patients. Partial correlation coefficients were calculated between baseline erythrocyte membrane FA levels, measured by gas chromatography, and scores on the Positive and Negative Syndrome Scale (PANSS), Global Assessment of Functioning Scale, and Montgomery-Asberg Depression Rating Scale (MADRS) after controlling for age, sex, smoking and cannabis use...
2016: PloS One
https://www.readbyqxmd.com/read/26957335/cardiovascular-diseases-among-patients-with-schizophrenia
#19
REVIEW
Muhammad Chanchal Azad, Wendy Diana Shoesmith, Mohammad Al Mamun, Ahmad Faris Abdullah, Daw Khin Saw Naing, Mahadasa Phanindranath, Tanvir Chowdhury Turin
The presence of comorbid physical illnesses especially, cardiovascular diseases (CVD) in schizophrenia is a growing area of concern in recent years. In order to reduce disease burden, to improve quality of life and to provide holistic care, it is important to know about the relationship between schizophrenia and CVD. The objective of this review is to explore the extent of CVD problems, relevant risk factors and potential measures for early diagnosis and prevention of CVD among patients with schizophrenia. Worldwide studies show that patients with schizophrenia have a higher mortality and lower life expectancy than the general population...
February 2016: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/26860589/detection-and-treatment-of-omega-3-fatty-acid-deficiency-in-psychiatric-practice-rationale-and-implementation
#20
REVIEW
Erik Messamore, Robert K McNamara
A body of translational evidence has implicated dietary deficiency in long-chain omega-3 (LCn-3) fatty acids, including eicosapenaenoic acid (EPA) and docosahexaenoic acid (DHA), in the pathophysiology and potentially etiology of different psychiatric disorders. Case-control studies have consistently observed low erythrocyte (red blood cell) EPA and/or DHA levels in patients with major depressive disorder, bipolar disorder, schizophrenia, and attention deficit hyperactivity disorder. Low erythrocyte EPA + DHA biostatus can be treated with fish oil-based formulations containing preformed EPA + DHA, and extant evidence suggests that fish oil supplementation is safe and well-tolerated and may have therapeutic benefits...
February 10, 2016: Lipids in Health and Disease
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