Outcome
Type |
Measure |
Description |
Time frame |
Safety issue |
Primary |
Maternal glycemic variability (GV) |
The Coefficient of Variation, power: n = 50 |
24 hours |
|
Primary |
Maternal glycemic variability (GV) |
Interquartile range (IQR), power n = 40 |
24 hours |
|
Primary |
Maternal glycemic variability (GV) |
Standard deviation (SD), power n = 18 |
24 hours |
|
Secondary |
24 hours interstitial fluid glucose measures |
Continuous glucose monitoring |
24 hours |
|
Secondary |
mean glucose |
Continuous glucose monitoring |
24 hours |
|
Secondary |
maximum glucose |
Continuous glucose monitoring |
24 hours |
|
Secondary |
Interstitial fluid glucose concentrations |
Continuous glucose monitoring |
3 hours following breakfast |
|
Secondary |
Total energy expenditure |
Measured with a combined accelerometer and heart rate monitor, reported in kcal |
24 hours |
|
Secondary |
Activity energy expenditure |
Measured with a combined accelerometer and heart rate monitor, reported in kcal |
24 hours |
|
Secondary |
Activity count |
Measured with a combined accelerometer and heart rate monitor, reported in counts |
24 hours |
|
Secondary |
Heart rate |
Measured with a combined accelerometer and heart rate monitor, reported in beats per minute |
24 hours |
|
Secondary |
Resting energy expenditure (REE) (Resting Metabolic Rate) |
Indirect calorimetry |
Performed for 20 minutes |
|
Secondary |
Respiratory quotient (RQ) |
Indirect calorimetry |
Performed for 20 minutes |
|
Secondary |
Oxidation rates of lipid, carbohydrate and protein |
Indirect calorimetry |
Performed for 20 minutes |
|
Secondary |
Diet diary |
Total energy intake, composition of macronutrients |
24 hours |
|
Secondary |
Self-reported appetite |
Questionnaire: A numerical rating scale ranging from "not at all = 0" to "extremely = 10" will be used to assess Hunger, Fullness, Satiety, Desire, Prospective consumption (Quantity). |
3,5 hours following intake of whey/placebo at diagnosis, week 32 and week 36 |
|
Secondary |
Body Mass Index |
weight and height will be combined to report BMI in kg/m^2 |
at diagnosis, week 32 and week 36 |
|
Secondary |
Gestational weight change |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Medications |
number of participants prescribed insulin, dose of insulin, time to insulin. Methyldopa, nifidipin or labetalol (medication to lower blood pressure) |
from diagnosis to delivery |
|
Secondary |
Pregnancy data |
Number of participants with hypertension, preeclampsia, maternal weight gain |
from diagnosis to delivery |
|
Secondary |
Delivery data |
Number of patients with cesarean section, shoulder dystocia, induction of labour |
at delivery |
|
Secondary |
Non-targeted metabolomics will be performed on a sample of breast milk using Nuclear Magnetic Resonance |
Analysis generating metabolites from pathways on amino acids, peptides, carbohydrates and lipids measured in folds increase/decrease when comparing placebo with whey |
Day 1 postpartum |
|
Secondary |
Blood pressure |
Systolic and diastolic blood pressure |
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in Insulin like growth factor I (IGF-1) (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in IGF-binding protein 3 (IGFBP-3) (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in IGF-binding protein 1 (IGFBP-1) (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in FGF-21 (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in Leptin (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in Adiponectin (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in CRP (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in Prolactin (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in Cortisol (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in Insulin (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in Free Fatty Acids (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in lactate (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in grehlin (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in inflammatory markers (IL-6, IL-10, IL-1a, IFN-?, TNF-a)(mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in glucose independent peptide (GIP) (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in glucagon like peptide 1 (GLP-1) (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in glucagon (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in c-peptide (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in amino acids (AA) (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in progesterone (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in steroid hormone binding protein (SHBP) (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in carboxy-terminal collagen crosslinks (CTx) (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in osteocalcin (OCN) (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in Pro-collagen I, N-term. pro-peptide (PINP) (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in Human chorionic gonadotropin (HCG) (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in CD163 (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in estradiol (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in hb1ac (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in lipids (cholesterol, triglyceride) (mother) |
|
at diagnosis, week 32 and week 36 |
|
Secondary |
Concentration differences in Insulin (cord blood, offspring) |
|
at delivery |
|
Secondary |
Concentration differences in c-peptide (cord blood, offspring) |
|
at delivery |
|
Secondary |
Concentration differences in glucagon (cord blood, offspring) |
|
at delivery |
|
Secondary |
Concentration differences in glucose (cord blood, offspring) |
|
at delivery |
|
Secondary |
Concentration differences in lactate (cord blood, offspring) |
|
at delivery |
|
Secondary |
Differences in pH (cord blood, offspring) |
Measurement of acidity of the blood. Standard measurement performed on a sample of cord blood when a baby is delivered to evaluate possible oxygen deficiency during delivery. |
at delivery |
|
Secondary |
non-targeted metabolomics analysis (cord blood, offspring) |
Analysis generating metabolites from pathways on amino acids, peptides, carbohydrates, lipids and energy measured in folds rise/fall in when comparing placebo with whey |
at delivery |
|
Secondary |
DNA methylations measured with 850K-Illumina Infinium assay. |
Differentially methylated sites or regions associated with the intervention will be assessed. |
at delivery |
|
Secondary |
RNA-Seq transcriptome profiling |
Up and down-regulated genes associated with the intervention will be assessed |
at delivery |
|
Secondary |
Body fat (offspring) |
Sum of skinfolds measured with a caliper |
at delivery |
|
Secondary |
Birth weight (offspring) |
|
at delivery |
|
Secondary |
Head circumference (offspring) |
|
at delivery |
|
Secondary |
abdominal circumference (offspring) |
|
at delivery |
|
Secondary |
Length (offspring) |
|
at delivery |
|
Secondary |
Number of infants with icterus |
|
through hospital admission immediately after delivery |
|
Secondary |
Apgar-score |
Apgar score, range from 0-10, with the higher score the better outcome. |
at delivery |
|
Secondary |
number of patients needing early feeding |
|
through hospital admission immediately after delivery |
|
Secondary |
Number of days admitted immediately after delivery |
|
through hospital admission immediately after delivery |
|
Secondary |
Number of infants with hypoglycemia |
|
at delivery |
|
Secondary |
Weight of placenta |
|
at delivery |
|