Posts Tagged ‘depression . prozac’

Long-Chain Omega-3 Fatty Acid Deficiency in Mood Disorders: Rationale for Treatment and Prevention.

Saturday, September 10th, 2011

Source

Department of Psychiatry, Division of Bipolar Disorders Research, University of Cincinnati College of Medicine, Cincinnati, OH 45219-0516, USA. robert.mcnamara@uc.edu.

Abstract

Major recurrent mood disorders including major depressive disorder (MDD) and bipolar disorder (BD) are associated with significant psychosocial morbidity and excess premature mortality primarily attributable to suicide and coronary heart disease. Limited efficacy and adverse side-effects associated with psychotropic medications used in the treatment of MDD and BD highlight the urgent need to develop safe and efficacious treatments or treatment adjuncts. A body of evidence now indicates that long-chain omega-3 (LCn-3) fatty acid deficiency is a feature associated with MDD and BD. The etiology of LCn-3 deficits in MDD and BD patients may be attributable to both genetic and environmental factors. Dietary LCn-3 supplementation is safe and well-tolerated with chronic administration and corrects LCn-3 deficiency in MDD and BD patients. LCn-3 supplementation has been found to augment the therapeutic efficacy of psychotropic medications in the treatment of mood symptoms and to reduce suicidality. Preliminary studies also suggest that LCn-3 supplementation is efficacious as monotherapy in the treatment and prevention of psychopathology in children and adolescents. LCn-3 supplementation may also be associated with reduced risk for developing coronary heart disease. The overall cost-benefit ratio associated with LCn-3 supplementation provides a strong rationale to diagnose and treat LCn-3 deficiency in MDD and BD patients, and to prevent LCn-3 deficiency in subjects at high risk for developing these disorders.

Long-chain omega-3 fatty acids (fish oil) for indicated prevention of psychotic disorders

Thursday, July 28th, 2011

CONTEXT:
The use of antipsychotic medication for the prevention of psychotic disorders is controversial. Long-chain omega-3 (omega-3) polyunsaturated fatty acids (PUFAs) may be beneficial in a range of psychiatric conditions, including schizophrenia. Given that omega-3 PUFAs are generally beneficial to health and without clinically relevant adverse effects, their preventive use in psychosis merits investigation.
OBJECTIVE:
To determine whether omega-3 PUFAs reduce the rate of progression to first-episode psychotic disorder in adolescents and young adults aged 13 to 25 years with subthreshold psychosis.
SETTING:
Psychosis detection unit of a large public hospital in Vienna, Austria.
PARTICIPANTS:
Eighty-one individuals at ultra-high risk of psychotic disorder.
INTERVENTIONS:
A 12-week intervention period of 1.2-g/d omega-3 PUFA or placebo was followed by a 40-week monitoring period; the total study period was 12 months.
MAIN OUTCOME MEASURES:
The primary outcome measure was transition to psychotic disorder. Secondary outcomes included symptomatic and functional changes. The ratio of omega-6 to omega-3 fatty acids in erythrocytes was used to index pretreatment vs posttreatment fatty acid composition.
RESULTS:
Seventy-six of 81 participants (93.8%) completed the intervention. By study’s end (12 months), 2 of 41 individuals (4.9%) in the omega-3 group and 11 of 40 (27.5%) in the placebo group had transitioned to psychotic disorder (P = .007). The difference between the groups in the cumulative risk of progression to full-threshold psychosis was 22.6% (95% confidence interval, 4.8-40.4). omega-3 Polyunsaturated fatty acids also significantly reduced positive symptoms (P = .01), negative symptoms (P = .02), and general symptoms (P = .01) and improved functioning (P = .002) compared with placebo. The incidence of adverse effects did not differ between the treatment groups.
CONCLUSIONS:
Long-chain omega-3 PUFAs reduce the risk of progression to psychotic disorder and may offer a safe and efficacious strategy for indicated prevention in young people with subthreshold psychotic states. Trial Registration clinicaltrials.gov Identifier:

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