Trial reportTranslational psychiatry2026
Fish oil-derived fatty acids in pregnancy and brain metabolism in middle childhood: results from a randomized controlled trial.
Trial report in Translational psychiatry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT00798226 (Fish Oil Supplementation During Pregnancy for Prevention of Asthma, Eczema and Allergies in Childhood), which is not on this map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Fish Oil Supplementation During Pregnancy for Prevention of Asthma, Eczema and Allergies in Childhood: Interventional Trial in the COPSAC2010 (Copenhagen Studies on Asthma in Childhood) Birth Cohort
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Authors and funding
15 authors.
Funding
Abstract
Maternal blood levels of polyunsaturated fatty acids (PUFA) during pregnancy have been associated with brain health outcomes in offspring, but causal effects of PUFA on brain metabolism is unexplored. We examined the effect of maternal PUFA supplementation on brain metabolism in children at age 10, measured as cerebral blood flow (CBF), oxygen consumption (CMRO₂), and brain lactate concentration. We used data from the COPSAC2010 cohort (N = 700), where pregnant women were randomized to PUFA supplementation or placebo. At age 10, the children underwent psychopathological and cognitive assessments as well as MRI scans to obtain CBF, CMRO₂, and brain lactate. We estimated the effect of maternal PUFA intake on brain metabolism and examined the associations between those metabolic measurements with psychopathological symptoms and cognitive outcomes in the offspring. Lastly, we investigated the association of age with brain metabolic outcomes by comparing with data from adult participants from five previous studies. 487 children (51.7% male, 10.3 ± 0.32 years old) underwent 3 Tesla MRI scan. Children whose mothers received PUFA supplementation exhibited significantly lower CBF and CMRO₂; however, these parameters were not associated with psychopathology or cognition. The age-related analysis, with additional data of 248 adults, showed that higher age was associated with lower CBF, CMRO₂, and lactate concentration. Our findings suggest that maternal PUFA supplementation influences brain maturation in the offspring at age 10, although PUFA supplementation does not directly translate into psychopathological status and cognitive performance. Our results highlight the need for further large-scale studies on maternal nutrition and brain development. Clinical Trial ID: ClinicalTrials.gov ID NCT00798226.
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