Dpto. Ciencias de la Salud - Osasun Zientziak Saila

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Browsing Dpto. Ciencias de la Salud - Osasun Zientziak Saila by Author "Aarsland, Dag"

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    Anthocyanin supplementation in adults at risk for dementia: a randomized controlled trial on its cardiometabolic and anti-inflammatory biomarker effects
    (Springer, 2025-05-02) Borda, Miguel Germán; Ramírez Vélez, Robinson; Botero-Rodríguez, Felipe; Patricio-Baldera, Jonathan; Lucia, Chiara de; Pola, Ilaria; Barreto, George E.; Khalifa, Khadija; Bergland, Anne Katrine; Kivipelto, Miia; Cederholm, Tommy ; Zetterberg, Henrik; Ashton, Nicholas J.; Ballard, Clive ; Siow, Richard; Aarsland, Dag; NJ FINGER; Ciencias de la Salud; Osasun Zientziak
    Anthocyanins are dietary flavonoids shown to have a therapeutic capacity to mitigate inflammation and oxidative stress. The present secondary analyses from the “Anthocyanins in People at Risk for Dementia Study” were aimed at (I) determining the intervention’s effect on blood-based markers of cardiovascular disease and inflammation and (II) evaluating whether baseline factors such as age, sex, inflammation, or cardiometabolic score may moderate the intervention’s effect on inflammatory status. This study was an ancillary, 24-week randomized, double-blind, placebo-controlled Phase II trial. Sub-sample participants (n = 99), aged 60–80 years with mild cognitive impairment or cardiometabolic disorders, were randomized to receive either 320 mg/day of anthocyanins or placebo. The biomarkers analyzed included inflammatory biomarker assessment (IL − 6, IL − 8, IL − 10, IL − 1b, TNF − α, IFN − γ), and C-reactive protein (CRP), as well as albumin, thrombocytes, cholesterol, LDL, HDL, and triglycerides, which were longitudinally compared between both groups. Baseline characteristics were balanced between the groups. ANCOVA analyses reveal 24-week differences favoring the anthocyanin treatment in LDL cholesterol levels (ƞp2 = 0.078; p = 0.015), cardiometabolic score (ƞp2 = 0.073; p = 0.021), CRP levels (ƞp2 = 0.417; p = 0.0001), IL − 6 (ƞp2 = 0.085; p = 0.015), IL − 1b (ƞp2 = 0.058; p = 0.037), and Inflam z-score 5 (ƞp2 = 0.059, p = 0.004). Moderation analysis demonstrated that the inflammatory score at baseline was a significant predictor of the effect of the intervention on the CRP levels. Anthocyanin supplementation reduces CRP and cardiovascular disease biomarkers in individuals at risk of dementia, especially when there is increased inflammation at baseline. ClinicalTrials.gov study identifier: NCT03419039.