Healthy Diet Clinical Trial
Official title:
Health Effects of Cetoleic Acid (Helseeffekter av Ketolinsyre)
In this Randomized Controlled Trial (RCT) we want to study how supplements of cetoleic acid ( C22:n1-11) (intervention) affect the conversion of alpha-linolenic acid (ALA) to EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) in healthy subjects, compared to supplements with a low concentration of cetoleic acid (control). Our primary endpoints are changes in the concentration of EPA and DHA in plasma and red blood cells.
This is a randomized double-blinded controlled trial ( randomized 1:1). Study population: healthy men and women 20-70 years, BMI 20-35 kg/m2. Study design: - 3 weeks run-in-period where all participants consume control capsules every morning. - Randomization intervention: control (1:1). All participants consume their capsules (control or intervention) for 4 weeks. The intervention oil consists of a fish oil high in cetoleic acid and the control oil is a mix of different oils and low in cetoleic acid. Power calculation and sample size: It was expected a difference of 15% in n-3 between the groups after the intervention (Østbye et al. 2019, doi:10.1017/S0007114519001478). The level of significance was set to 5% (two-sided) and the power to 80%. A total of thirty-eight subjects were required to participate in the study, but a high dropout rate was expected (20%) and it was considered necessary to include a total of seventy (n=70) subjects (thirty-five per arm). ;
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