- ICH GCP
- Amerikanska kliniska prövningsregistret
- Klinisk prövning NCT02701738
Impact of Exercise on the Metabolic Consequences of Overeating (XO)
Studieöversikt
Detaljerad beskrivning
If subjects are eligible and decide to participate, they will take part in two identical study trials. One is scheduled before and the other is scheduled after 1 week of overeating controlled by the study team. Subjects who exercise regularly will be instructed to exercise the day before their first study trial - and they will be required to exercise during 6 of the 7 days of the overeating period (including the day before their second study trial). Subjects who do not regularly exercise (no planned physical activity) will remain inactive until the completion of both study trials.
Before each study trial If a subject is a regular exerciser, they will be asked to come to the Substrate Metabolism Laboratory in the afternoon before each of the 2 study trials to exercise in the lab for 45 min at a moderate intensity. The evening before the study trial, all subjects will need to eat a standardized dinner meal and snack. They must eat the meal and snack at specific times as indicated by the research staff. After eating the snack, subjects will need to fast (no food or beverages - besides water) overnight.
During each study trial Subjects will arrive at the Substrate Metabolism Laboratory at 7:00AM and will rest quietly for approximately 30 min. After which, the study team will measure their resting blood pressure and their resting metabolic rate. An intravenous catheter (IV) will then be placed in a vein of the subject's hand or forearm for blood sampling. The research team will then collect a small sample of fat tissue in the subject's abdomen with a needle. Next, subjects will drink a sweet sugar solution for an Oral Glucose Tolerance Test (OGTT) and the research team will collect blood samples every 15 min for 3 hours. After this 3 hour test, the IV catheter will be removed and subjects will be provided breakfast and discharged.
Studietyp
Inskrivning (Förväntat)
Fas
- Inte tillämpbar
Kontakter och platser
Studieorter
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Michigan
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Ann Arbor, Michigan, Förenta staterna, 48109
- University of Michigan
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Deltagandekriterier
Urvalskriterier
Åldrar som är berättigade till studier
Tar emot friska volontärer
Kön som är behöriga för studier
Beskrivning
Inclusion Criteria:
- Age: 18-40
- Body Mass Index: 20-30 kg/m2
- Exercise group: (≥5 days/wk of aerobic exercise; 30-60min/session at moderate and vigorous intensities)
- No Exercise group: no regularly planned exercise/physical activity
- Women must have regularly occurring menses and must be premenopausal
Exclusion Criteria:
- Pregnant or lactating
- Blood pressure > 140/90 mm Hg
- Evidence/history of cardiovascular or metabolic disease
- Medications known to affect lipid or glucose metabolism
- Tobacco or electronic cigarette user
Studieplan
Hur är studien utformad?
Designdetaljer
- Primärt syfte: Grundläggande vetenskap
- Tilldelning: N/A
- Interventionsmodell: Enskild gruppuppgift
- Maskning: Ingen (Open Label)
Vapen och interventioner
Deltagargrupp / Arm |
Intervention / Behandling |
---|---|
Experimentell: Overeating Protocol
Subjects will ingest 30% more calories per day than their calculated daily energy requirements (~750kcals extra energy intake each day).
All subjects will be instructed (and will be guided) to consume a diet containing approximately 50% carbohydrate, 35% fat, and 15% protein.
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Subjects will ingest 30% more calories per day than their calculated daily energy requirements (~750kcals extra energy intake each day).
All subjects will be instructed (and will be guided) to consume a diet containing approximately 50% carbohydrate, 35% fat, and 15% protein.
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Vad mäter studien?
Primära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
---|---|---|
Oral Glucose Tolerance
Tidsram: up to 1 week
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An index of insulin sensitivity will be measured using the plasma insulin and glucose concentrations during the 3h OGTT
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up to 1 week
|
Sekundära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
---|---|---|
Resting Metabolic Rate
Tidsram: baseline and 1 week
|
baseline and 1 week
|
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Total Cholesterol
Tidsram: baseline and 1 week
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Plasma concentrations of total- cholesterol will be measured
|
baseline and 1 week
|
PPARg mRNA expression
Tidsram: baseline and 1 week
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cytokine proteins will be measured in adipose tissue
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baseline and 1 week
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Samarbetspartners och utredare
Sponsor
Publikationer och användbara länkar
Studieavstämningsdatum
Studera stora datum
Studiestart
Primärt slutförande (Faktisk)
Avslutad studie (Faktisk)
Studieregistreringsdatum
Först inskickad
Först inskickad som uppfyllde QC-kriterierna
Första postat (Uppskatta)
Uppdateringar av studier
Senaste uppdatering publicerad (Faktisk)
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
Senast verifierad
Mer information
Termer relaterade till denna studie
Ytterligare relevanta MeSH-villkor
Andra studie-ID-nummer
- HUM00102772
Denna information hämtades direkt från webbplatsen clinicaltrials.gov utan några ändringar. Om du har några önskemål om att ändra, ta bort eller uppdatera dina studieuppgifter, vänligen kontakta register@clinicaltrials.gov. Så snart en ändring har implementerats på clinicaltrials.gov, kommer denna att uppdateras automatiskt även på vår webbplats .
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