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Macronutrients clinical trials

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NCT ID: NCT06417151 Not yet recruiting - Children Clinical Trials

Polish Infants and Toddler Nutritional Study

PITNUTS
Start date: June 1, 2024
Phase:
Study type: Observational

A cross-sectional study representative of the Polish population of children aged 5 months to 6 years conducted in the cross-sectional study model, the main objective of which is to assess the nutritional value of the diet of children aged from 5 months to 6 years with regard to the basic macronutrients: protein (P), fat (F), carbohydrates (C). The study will include: dietary interviews, which will include the Food Frequency Questionnaire questionnaire (FFQ) and a 3-day food diary, as well as anthropometric measurements. The study will involve 1,000 children who will be selected by a random draw based on government database. The survey will be conducted by trained field interviewers - training will be provided by a dietician and an anthropologist. The study also included validation of the FFQ questionnaire.

NCT ID: NCT03139890 Completed - Vascular Function Clinical Trials

Macronutrients and Postprandial Vascular Function

Start date: December 1, 2017
Phase: N/A
Study type: Interventional

Vascular function decreases following the intake of a mixed meal in some, but not all studies. Differences in the relative amounts of dietary fat, carbohydrates and protein present in the mixed-meal challenges may have contributed to these apparently inconsistent results. Well-designed trials - comparing under rigorously standardized conditions - on the effects of macronutrients on postprandial vascular function are missing. The primary objective of the current study is thus to evaluate in overweight and slightly obese men the effects of the three macronutrients (fat, carbohydrates, and protein) on postprandial vascular function, as assessed by brachial artery flow-mediated vasodilation (FMD). Secondary objectives are to examine postprandial effects on other markers reflecting vascular function, plasma markers for low-grade systemic inflammation and endothelial dysfunction, blood pressure, and serum lipid and plasma glucose metabolism.