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- Essai clinique NCT02924558
Metabolic Effects of Egg Protein and Unsaturated Fat Intakes in Subjects With Hypertriglyceridemia
11 mai 2018 mis à jour par: Midwest Center for Metabolic and Cardiovascular Research
Metabolic Effects of Replacing Dietary Refined Carbohydrate With a Combination of Egg Protein and Unsaturated Fats in Men and Women With Elevated Triglycerides
The goal of this study is to evaluate the effects of replacing some refined starches and added sugars with a combination of egg protein and unsaturated fatty acids on markers of cardiometabolic health in men and women with hypertriglyceridemia.
Aperçu de l'étude
Statut
Complété
Les conditions
Intervention / Traitement
Description détaillée
The objective of this study is to evaluate the effects of a combination of egg protein and unsaturated fatty acids acting as substitutes for ~16% of energy from refined carbohydrate on the metabolic profile of men and women with elevated triglycerides.
This is a randomized, controlled feeding, crossover trial that includes two screening/baseline visits, two 3-week treatment conditions, and a 2-week washout phase.
Subjects consume a standardized background diet (7-day rotating menu) that incorporates at least 3 servings/day of study test foods, providing 40-60% of subjects' daily energy needs.
Study test foods consist of yogurt, muffins, waffles, and cookies.
The test foods account for 8% higher protein energy (from egg protein) and 8% higher fat energy (from unsaturated fatty acids) in the Active Condition compared to the Control Condition.
In the Control Condition, the study foods account for 16% higher carbohydrate energy.
The overall macronutrient composition of each condition is as follows: Active Condition, approximately 42/23/35% kcal from carbohydrate/protein/fat, respectively, and Control Condition, approximately 58/15/27% kcal from carbohydrate/protein/fat, respectively.
Blood samples will be collected at baseline and end of treatment for measurement of metabolic parameters, and a liquid meal tolerance test (LMTT) will be conducted at baseline and the end of each treatment period.
Type d'étude
Interventionnel
Inscription (Réel)
28
Phase
- N'est pas applicable
Critères de participation
Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.
Critère d'éligibilité
Âges éligibles pour étudier
21 ans à 70 ans (Adulte, Adulte plus âgé)
Accepte les volontaires sains
Non
Sexes éligibles pour l'étude
Tout
La description
Inclusion Criteria:
- Fasting TG level 150-499 mg/dL
- Body mass index (BMI) 25.0-39.9 kg/m2
- Score of 7-10 on Vein Access Scale
- Normally active and judged to be in general good health on basis of medical history and routine laboratory tests
Exclusion Criteria:
- Fasting blood glucose ≥126 mg/dL or known type 1 or type 2 diabetes mellitus
- Atherosclerotic cardiovascular disease
- Recent history or current significant renal, pulmonary, hepatic, biliary, or gastrointestinal disease
- Abnormal lab test results of clinical significance (e.g., creatinine ≥1.5 mg/dL and aspartate or alanine transaminase ≥1.5 times upper limit of normal)
- History of cancer in previous 2 years
- Uncontrolled hypertension
- Recent unstable use of anti-hypertensive medication, thyroid hormone replacements, and/or medications known to substantially influence carbohydrate metabolism
- Recent use of certain blood pressure medications (e.g., beta-adrenergic blockers and/or high-dose thiazide diuretics)
- Recent use of lipid-altering drugs (e.g., statins, bile acid sequestrants, cholesterol absorption inhibitors, or fibrates)
- Recent use of diabetes medication (e.g., alpha-glucosidase inhibitors, biguanides and biguanide combinations, bile acid sequestrants, thiazolidinediones, dipeptidyl peptidase-4 inhibitors, meglitinides, and sulfonylureas and combination sulfonylureas)
- Recent use of lipid-altering foods, herbs, or dietary supplements (e.g., niacin, sterol/stanol products, dietary fiber supplements, red rice yeast supplements)
- Recent unstable use of herbs and dietary supplements that may influence carbohdyrate metabolism
- Extreme dietary habits, dietary restrictions, or significant food allergies
- Required energy intake <2200 kcal/day or >3400 kcal/day
- Recent change in body weight of ±4.5 kg
- Recent use of weight loss drugs or programs
- Active infection or on antibiotic therapy
- Current or recent history of drug or alcohol abuse
- Pregnant, planning to be pregnant, or lactating females or women of childbearing potential unwilling to commit to use of a medically approved form of contraception
Plan d'étude
Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: Traitement
- Répartition: Randomisé
- Modèle interventionnel: Affectation croisée
- Masquage: Double
Armes et Interventions
Groupe de participants / Bras |
Intervention / Traitement |
---|---|
Expérimental: Egg protein/unsaturated fatty acid
8% higher protein energy (from egg protein) and 8% higher fat energy (from unsaturated fatty acids); approximately 42/23/35% kcal from carbohydrate/protein/fat, respectively
|
Study test foods (yogurt, muffins, waffles, and cookies) containing 8% higher protein energy (egg protein) and 8% higher fat energy (unsaturated fatty acids) than Control
|
Comparateur placebo: Control
16% higher carbohydrate energy; approximately 58/15/27% kcal from carbohydrate/protein/fat, respectively
|
Study test foods (yogurt, muffins, waffles, and cookies) containing 16% higher carbohydrate energy than Egg protein/unsaturated fatty acid
|
Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
---|---|---|
Matsuda composite index of insulin sensitivity (MISI)
Délai: 3 weeks
|
Difference between treatments in percent change from baseline to end of treatment MISI calculated from glucose and insulin responses to the LMTT at Visit 2, Day 0 (baseline); Visit 6, Day 21 (end of treatment period I); and Visit 11, Day 21 (end of treatment period II)
|
3 weeks
|
Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
---|---|---|
Lipoprotein lipids
Délai: 3 weeks
|
Difference between treatments in percent change from baseline to end of treatment fasting triglycerides (TG), total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C), non-high-density lipoprotein cholesterol (non-HDL-C), low-density lipoprotein cholesterol (LDL-C), and TC/HDL-C ratio based on the average of values collected at Visits 1 and 2, Days -7 and 0 (baseline); Visits 5 and 6, Days 19 and 21 (end of treatment period I); and Visits 10 and 11, Days 19 and 21 (end of treatment period II)
|
3 weeks
|
Lipoprotein particle concentrations
Délai: 3 weeks
|
Difference between treatments in change from baseline to end of treatment lipoprotein particle subclass concentrations and sizes, as well as cholesterol carried by major lipoproteins and subfractions analyzed using an ion mobility assay at Visit 2, Day 0 (baseline); Visit 6, Day 21 (end of treatment period I); and Visit 11, Day 21 (end of treatment of period II)
|
3 weeks
|
Apolipoprotein (Apo) B
Délai: 3 weeks
|
Difference between treatments in percent change from baseline to end of treatment apo B at Visit 2, Day 0 (baseline); Visit 6, Day 21 (end of treatment period I); and Visit 11, Day 21 (end of treatment period II)
|
3 weeks
|
Homeostasis model assessment of insulin sensitivity (HOMA2-%S)
Délai: 3 weeks
|
Difference between treatments in change from baseline to end of treatment HOMA2-%S calculated from fasting values of insulin and glucose at Visit 2, Day 0 (baseline); Visit 6, Day 21 (end of treatment period I); and Visit 11, Day 21 (end of treatment period II)
|
3 weeks
|
LMTT disposition index
Délai: 3 weeks
|
Difference between treatments in the percent change from baseline to end of treatment LMTT disposition index calculated from insulin and glucose responses during the LMTT at Visit 2, Day 0 (baseline); Visit 6, Day 21 (end of treatment period I); and Visit 11, Day 21 (end of treatment period II)
|
3 weeks
|
Homeostasis model assessment of pancreatic beta-cell function (HOMA2%B)
Délai: 3 weeks
|
Difference between treatments in change from baseline to end of treatment HOMA2%B calculated from fasting insulin and glucose values at Visit 2, Day 0 (baseline); Visit 6, Day 21 (end of treatment period I); and Visit 11, Day 21 (end of treatment period II)
|
3 weeks
|
Blood pressure
Délai: 3 weeks
|
Difference between treatments in change from baseline to end of treatment in systolic and diastolic blood pressures based on the average of values collected at Visits 1and 2, Days -7 and 0 (baseline); Visits 5 and 6, Days 19 and 21 (end of treatment period I); and Visits 10 and 11, Days 19 and 21 (end of treatment period II)
|
3 weeks
|
Collaborateurs et enquêteurs
C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.
Les enquêteurs
- Chercheur principal: Kevin C Maki, PhD, Midwest Center for Metabolic and Cardiovascular Research
Publications et liens utiles
La personne responsable de la saisie des informations sur l'étude fournit volontairement ces publications. Il peut s'agir de tout ce qui concerne l'étude.
Dates d'enregistrement des études
Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.
Dates principales de l'étude
Début de l'étude
1 février 2015
Achèvement primaire (Réel)
1 février 2016
Achèvement de l'étude (Réel)
1 février 2016
Dates d'inscription aux études
Première soumission
3 octobre 2016
Première soumission répondant aux critères de contrôle qualité
3 octobre 2016
Première publication (Estimation)
5 octobre 2016
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
15 mai 2018
Dernière mise à jour soumise répondant aux critères de contrôle qualité
11 mai 2018
Dernière vérification
1 mai 2018
Plus d'information
Termes liés à cette étude
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
- MC-1412
Plan pour les données individuelles des participants (IPD)
Prévoyez-vous de partager les données individuelles des participants (DPI) ?
NON
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