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Abstract Title:

Omega-3 fatty acids reduce cardiometabolic risk in first-episode schizophrenia patients treated with antipsychotics: Findings from the OFFER randomized controlled study.

Abstract Source:

Schizophr Res. 2021 Mar 5 ;230:61-68. Epub 2021 Mar 5. PMID: 33684737

Abstract Author(s):

Tomasz Pawełczyk, Marta Grancow-Grabka, Natalia Żurner, Agnieszka Pawełczyk

Article Affiliation:

Tomasz Pawełczyk

Abstract:

: Metabolic syndrome (MetS) increases the risk of premature mortality observed in schizophrenia (SCZ). N-3 polyunsaturated fatty acid (PUFA) deficiency has been reported in different stages of schizophrenia. N-3 PUFA supplementation was found to be beneficial in both chronic SCZ and MetS. No intervention studies based on n-3 PUFA as add-on therapy to antipsychotics have examined the changes in MetS risk in first-episode schizophrenia.

AIM: This randomized placebo-controlled trial assesses the effect of a 26-week intervention composed of either 2.2 g/day of n-3 PUFA or olive oil placebo on the frequency of MetS and the changes in its constituents as a secondary outcome measure.

METHODS: Seventy-one adult inpatients diagnosed with first-episode schizophrenia were randomly assigned to study groups. The active intervention used a 3:2 mixture of eicosapentaenoic (EPA) and docosahexaenoic (DHA) acids. Metabolic syndrome components were monitored throughout the study.

RESULTS: A significant reduction in the frequency of MetS was observed in the EPA + DHA group (p = 0.0408); as well as some specific MetS components: e.g., a decrease in fasting blood glucose (p = 0.045). The beneficial effects of EPA + DHA were even more pronounced in patients treated mainly with olanzapine, e.g. significant reductions of total cholesterol (p = 0.037)and blood glucose levels (p = 0.034). Significant positive correlations were found between the general psychopathology subscale of PANSS (primary outcome) and triglyceride level changes.

CONCLUSION: N-3 PUFA supplementation in early SCZ may constitute a safe and affordable intervention that can reduce the risk of MetS and its lethal complications.

Study Type : Human Study

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Sayer Ji
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