- ICH GCP
- Registre américain des essais cliniques
- Essai clinique NCT01891617
Exercise Effects on Insulin, Gut Peptides, and Appetite (XFG)
The Exercise Effects on Appetite and Gut Peptides While on High-fat Diet
Aperçu de l'étude
Statut
Les conditions
Intervention / Traitement
Description détaillée
Specific aim: Determine whether a change in macronutrient composition from 60% carbohydrate and 25% fat to 30% carbohydrate and 45% fat is responsible by itself for suppression of hunger and increased secretory response of glucose-dependent insulinotropic hormone (GIP) and glucagon-like peptide-1 (GLP-1), or whether these changes depend on preceding exercise. We will measure (a) concentrations of plasma GIP and GLP-1 by chemiluminescent multiplex assay, (b) concentrations of plasma ancetaminophen to assess the gastric emptying rate, (c) concentrations of plasma insulin, and glucagon by radioimmunoassay, and glucose, ketone bodies, and free fatty acids with appropriate spectrophotometric methods, (d) hourly appetite responses with visual analog scale under two conditions: sedentary (SED) and exercise (EX).
Hypothesis: Hunger suppression and secretion of GIP and GLP-1 after the morning meal will be greater with slower gastric emptying rate when a meal consisting of 45% fat and 30% carbohydrate follows three hours after a 2-hour bout of moderate-intensity exercise than in the absence of exercise.
Type d'étude
Inscription (Réel)
Phase
- N'est pas applicable
Contacts et emplacements
Lieux d'étude
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Michigan
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Ann Arbor, Michigan, États-Unis, 48109
- Michigan Clinical Research Unit
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Critères de participation
Critère d'éligibilité
Âges éligibles pour étudier
Accepte les volontaires sains
Sexes éligibles pour l'étude
La description
Inclusion Criteria:
- Postmenopausal status
- Age 50 to 65 years
- BMI between 20 and 30 kg/m2.
- Good health status (normotensive, fasting glucose < 100 mg/dl, , hematocrit > 32%, hemoglobin >12 mg/dl)
- Absence of restricted food intake
- Absence of endocrine and metabolic disorders requiring medication other than hormonally corrected hypothyroidism
- Absence of musculoskeletal disabilities that would prevent walking
Exclusion Criteria:
- Presence of endocrine and metabolic disease requiring medication, other than hormonally corrected hypothyroidism
- Presence of musculoskeletal disabilities that would prevent walking
- Smoking
- Active dieting
- Absence of listed inclusion criteria
- Unwillingness to follow study protocol.
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: Science basique
- Répartition: Non randomisé
- Modèle interventionnel: Affectation parallèle
- Masquage: Aucun (étiquette ouverte)
Armes et Interventions
Groupe de participants / Bras |
Intervention / Traitement |
---|---|
Expérimental: Exercise-high-fat diet
Two bouts of exercise followed by a high-fat meal
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Exercise and high-fat diet Exercise and high-carbohydrate diet Sedentary and high-fat diet Sedentary and high-carbohydrate diet
|
Expérimental: Exercise-high-carbohydrate diet
Two bouts of exercise followed by a high-carbohydrate meal
|
Exercise and high-fat diet Exercise and high-carbohydrate diet Sedentary and high-fat diet Sedentary and high-carbohydrate diet
|
Expérimental: Sedentary-high-fat diet
Sedentary trial with two high-fat meals
|
Exercise and high-fat diet Exercise and high-carbohydrate diet Sedentary and high-fat diet Sedentary and high-carbohydrate diet
|
Expérimental: Sedentary-high-carbohydrate diet
Sedentary trial with two high-carbohydrate meals
|
Exercise and high-fat diet Exercise and high-carbohydrate diet Sedentary and high-fat diet Sedentary and high-carbohydrate diet
|
Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
---|---|---|
Plasma insulin concentration
Délai: 36 hours
|
Change in plasma insulin to two bouts of exercise followed by a high-carbohydrate or a high fat diet
|
36 hours
|
Plasma glucagon concentration
Délai: 36 hours
|
Changes in plasma glucagon concentration to two bouts of exercise followed by either a high-carbohydrate or a high-fat meal
|
36 hours
|
Plasma concentration of glucose-dependent insulinotropic peptide (GIP)
Délai: 36 hours
|
Changes in plasma concentration of glucose-dependent insulinotropic peptide (GIP)to two bouts of exercise followed by either a high-carbohydrate or a high-fat meal
|
36 hours
|
Plasma concentration of free fatty acids
Délai: 36 hours
|
Changes in plasma concentration of free fatty acidsto two bouts of exercise followed by either a high-carbohydrate or a high-fat meal
|
36 hours
|
Plasma concentration of beta-hydroxybutyrate
Délai: 36 hours
|
Changes in plasma concentration of beta-hydroxybutyrate to two bouts of exercise followed by either a high-carbohydrate or a high-fat meal
|
36 hours
|
Plasma glucose concentration
Délai: 36 hours
|
Changes in plasma glucose concentration to two bouts of exercise followed by either a high-carbohydrate or a high-fat meal
|
36 hours
|
daytime hourly appetite ratings
Délai: 36 hours
|
Changes in daytime hourly appetite ratings to two bouts of exercise followed by either a high-carbohydrate or a high-fat meal
|
36 hours
|
Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
---|---|---|
Plasma concentrations of glucagon-like peptide-1 (GLP-1)
Délai: 36 hours
|
Changes in plasma concentrations of glucagon-like peptide-1 (GLP-1)to two bouts of exercise followed by either a high-carbohydrate or a high-fat meal
|
36 hours
|
Plasma concentrations of peptide tyrosine tyrosine (PYY)
Délai: 36 hours
|
Changes in plasma concentrations of peptide tyrosine tyrosine (PYY) to two bouts of exercise followed by either a high-carbohydrate or a high-fat meal
|
36 hours
|
Collaborateurs et enquêteurs
Parrainer
Les enquêteurs
- Chercheur principal: Katarina Borer, PhD, University of Michigan
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude
Achèvement primaire (Réel)
Achèvement de l'étude (Réel)
Dates d'inscription aux études
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première publication (Estimation)
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Estimation)
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Plus d'information
Termes liés à cette étude
Mots clés
Autres numéros d'identification d'étude
- R15DK082800-XFG
- R15DK082800 (Subvention/contrat des NIH des États-Unis)
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