The proposed intervention study addresses the development and validation of nutritional concepts based on menu plans for patients with hypertriglyceridemia (triglycerides \> 1.5 mmol/l) and participants with impaired glucose tolerance/prediabetes (glucose \> 5.6 ≤ 7 mmol/l).
The proposed intervention study addresses the development and validation of nutritional concepts for patients with hypertriglyceridemia (triglycerides \> 1.5 mmol/l) and participants with impaired glucose tolerance (glucose \> 5.6 ≤ 7 mmol/l). The randomized, controlled study will be conducted in a parallel design with four arms. In total, 120 participants (males, females; age: 30 - 80 years) will be randomized to one of the four groups: hypertriglyceridemia concept (group A), hypertriglyceridemia control (group B), prediabetes concept (group C), and prediabetes control (group D). The study participants in group A and C receive defined personal nutritional counselling every two weeks and they are provided with daily menu plans (isocaloric) with optimized nutrient profiles and chosen study products (e.g., fish or plant oil, nuts) over the study period of ten weeks. Participants in the control groups B and D are not provided with defined menu plans or study products. Blood samples will be taken at the beginning, regularly every two weeks of the ten-weeks intervention period as well as after the ten-weeks follow-up. Primary endpoints are triglycerides (group A, B), and fasting glucose (group C, D). The study design enables the comparison of the effectiveness of the developed nutritional concepts, which were adapted to the requirements of the target groups.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
120
The study participants in group A and C receive defined personal nutritional counselling every two weeks and they are provided with daily menu plans (isocaloric) with optimized nutrient profiles and chosen study products (plant oils, nuts mixture etc.) over the study period of 10 weeks.
Institute of Nutritional Sciences
Jena, Thuringia, Germany
Triacylglcerides, mmol/l (group A, B)
Cardiovascular risk factor
Time frame: Change from baseline after 10 weeks
Fasting glucose, mmol/l (group C, D)
Diabetes risk factor
Time frame: Change from baseline after 10 weeks
Total cholesterol (mmol/l)
Cardiovascular risk factor
Time frame: Change from baseline after 10 weeks
HDL cholesterol (mmol/l)
Cardiovascular risk factor
Time frame: Change from baseline after 10 weeks
LDL cholesterol (mmol/l)
Cardiovascular risk factor
Time frame: Change from baseline after 10 weeks
Systolic pressure (mm Hg)
Cardiovascular risk factor
Time frame: Change from baseline after 10 weeks
Diastolic pressure (mm Hg)
Cardiovascular risk factor
Time frame: Change from baseline after 10 weeks
Insulin (mU/l)
Diabetes risk factor
Time frame: Change from baseline after 10 weeks
HbA1c (%)
Diabetes risk factor
Time frame: Change from baseline after 10 weeks
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Body weight (kg)
Cardiovascular risk factor
Time frame: Change from baseline after 10 weeks
Body fat (kg)
Cardiovascular risk factor
Time frame: Change from baseline after 10 weeks
High sensitive c-reactive protein (mg/l)
Inflammatory marker
Time frame: Change from baseline after 10 weeks
Fatty acid distribution in erythrocyte lipids (% fatty acid methyl esters)
Fatty acid distribution in erythrocyte lipids
Time frame: Change from baseline after 10 weeks
Vitamin A (mmol/l)
Vitamins
Time frame: Change from baseline after 10 weeks
Vitamin D (nmol/l)
Vitamins
Time frame: Change from baseline after 10 weeks
Vitamin E (µmol/l)
Vitamins
Time frame: Change from baseline after 10 weeks
Vitamin B1 (nmol/l)
Vitamins
Time frame: Change from baseline after 10 weeks
Vitamin B6 (nmol/l)
Vitamins
Time frame: Change from baseline after 10 weeks
Vitamin B12 (pmol/l)
Vitamins
Time frame: Change from baseline after 10 weeks
Holo-transcobalamin (pmol/l)
Vitamins
Time frame: Change from baseline after 10 weeks
Folic acid (µg/l)
Vitamins
Time frame: Change from baseline after 10 weeks
Vitamin H (ng/l)
Vitamins
Time frame: Change from baseline after 10 weeks
Vitamin C (mg/l)
Vitamins
Time frame: Change from baseline after 10 weeks
Potassium (mmol/l)
Minerals and trace elements
Time frame: Change from baseline after 10 weeks
Iron (µmol/l)
Minerals and trace elements
Time frame: Change from baseline after 10 weeks
Ferritin (µg/l)
Minerals and trace elements
Time frame: Change from baseline after 10 weeks
Transferrin (g/l)
Minerals and trace elements
Time frame: Change from baseline after 10 weeks
Iodine (µmol/l)
Minerals and trace elements
Time frame: Change from baseline after 10 weeks
Selenium (µmol/l)
Minerals and trace elements
Time frame: Change from baseline after 10 weeks
Zinc (µmol/l)
Minerals and trace elements
Time frame: Change from baseline after 10 weeks