Alternating Energy Intake and Blood Fat Content After a Meal
The Effect of Alternating Energy Intake Compared to Regular Energy Intake on the Fat Content in the Blood After a Meal in Abdominally Obese Adults
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Undersøgelsestype
Undersøgelsestype
Tilmelding (Forventet)
Tilmelding
Fase
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiekontakt
Studiekontakt
- Navn: Maite M. Schroor, MSc.
- Telefonnummer: +31433884258
- E-mail: maite.schroor@maastrichtuniversity.nl
Undersøgelse Kontakt Backup
- Navn: Ronald P. Mensink, PhD
- Telefonnummer: +31433881308
- E-mail: r.mensink@maastrichtuniversity.nl
Studiesteder
-
-
Limburg
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Maastricht, Limburg, Holland, 6229 ER
- Rekruttering
- Maastricht University Medical Center
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Kontakt:
- Maite M. Schroor, MSc.
- Telefonnummer: +31433884258
- E-mail: maite.schroor@maastrichtuniversity.nl
-
Ledende efterforsker:
- Ronald P. Mensink, PhD
-
-
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Apparently healthy men and women as judged by study physician
- Abdominally obese males (waist circumference ≥ 102 cm) and females (waist circumference ≥ 88 cm)
- Aged between 18 - 75 years
- Stable bodyweight (weight gain or loss ≤ 3 kg in the past three months)
- Willingness to give up being a blood donor (or having donated blood) from 8 weeks before the start of the study, during the study and for 4 weeks after completion of the study
- No difficult venipuncture as evidenced during the screening visit
- Women should be pre- or postmenopausal
- Sedentary (light exercise < 1 h per week) or moderately active (moderate exercise 1-2 h per week)
- Having a general practitioner
- Agreeing that the participant and general practitioner will be informed about medically relevant personal test results by a physician
- Willing to comply to study protocol during study
- Informed consent signed
Exclusion Criteria:
- Fasting plasma glucose ≥ 7 mmol/l
- Fasting serum triacylglycerol ≥ 4.5 mmol/l
- Fasting serum total cholesterol ≥ 8 mmol/l
- Blood pressure ≥ 160/100 mm Hg
- Current smoker, or smoking cessation < 12 months
- Drug abuse
- Alcohol abuse (≥ 21 alcohol consumptions per week)
- Use of medication known to affect blood pressure, serum lipid metabolism, or glucose metabolism
- Having a medical condition or history which might impact study measurements, to be judged by the study physician (e.g. myocardial infarction, angina, thrombosis, stroke, cancer, familiar hypercholesterolemia, liver or bowel disease or diabetes)
- Active cardiovascular disease like congestive heart failure or cardiovascular event, such as an acute myocardial infarction or cerebrovascular accident
- Use of an investigational product within another biomedical intervention trial within the previous 1-month
- Women who are perimenopausal, have an irregular menstrual cycle, or are pregnant
- Use of over-the-counter and prescribed medication, which may interfere with study measurements (to be judged by the principal investigator), e.g. weight loss medication
- Reported dietary habits: medically prescribed diets or slimming diets
- Reported participation in night shift work 2 weeks prior to screening and/or during the study. Night work is defined as working between midnight and 6.00 AM
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Forebyggelse
- Tildeling: Randomiseret
- Interventionel model: Crossover opgave
- Maskning: Dobbelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Eksperimentel: Alternating energy intake schedule
To alternate between caloric overconsumption and caloric underconsumption from day-to-day
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To alternate between caloric overconsumption (130% of usual total energy needs) and caloric underconsumption (70% of usual total energy needs) on a daily basis for 6 days/week followed by one ad libitum day for 4 weeks.
|
|
Aktiv komparator: Regular energy intake schedule
To consume the usual energy intake on a daily basis
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To consume the usual energy intake (100% of total energy needs) on a daily basis for 6 days/week, also followed by one ad libitum day for 4 weeks.
|
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Triacylglycerol area under the curve (AUC)
Tidsramme: 4 hours
|
The 4-hour AUC for triacylglycerol after consumption of a standardised mixed meal
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4 hours
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Fasting glucose metabolism
Tidsramme: Baseline, week 2, and twice in week 4
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Fasting glucose metabolism (includes e.g.
glucose and insulin concentrations)
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Baseline, week 2, and twice in week 4
|
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Fasting lipid metabolism
Tidsramme: Baseline, week 2, and twice in week 4
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Fasting serum lipid and lipoprotein profile
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Baseline, week 2, and twice in week 4
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Marker for postprandial lipid metabolism
Tidsramme: 4 hour period after consumption of a standardised mixed meal
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Marker for lipid metabolism includes triacylglycerol and will be measured after consumption of a standardised mixed meal
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4 hour period after consumption of a standardised mixed meal
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Markers for postprandial glucose metabolism
Tidsramme: 4 hour period after consumption of a standardised mixed meal
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Markers for glucose metabolism include insulin and glucose and will be measured after consumption of a standardised mixed meal
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4 hour period after consumption of a standardised mixed meal
|
|
24-hour glucose levels
Tidsramme: 24 hours
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The total area under the curve (tAUC) for 24-hour glucose as measured with a continuous glucose sensor
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24 hours
|
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Day-time glucose levels
Tidsramme: From 07:00 to 22:00 (15 hours)
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The tAUC for day-time glucose (07:00 - 22:00 h) as measured with a continuous glucose sensor
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From 07:00 to 22:00 (15 hours)
|
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Night-time glucose levels
Tidsramme: From 22:01 to 06:59 (8 hours and 58 min)
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The tAUC for night-time glucose (22:01 - 06:59 h) as measured with a continuous glucose sensor
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From 22:01 to 06:59 (8 hours and 58 min)
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Glucose levels after main meal consumption
Tidsramme: 2 hours
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The tAUC for glucose during 2 hours after main meal consumption (breakfast, lunch and dinner) as measured with a continuous glucose sensor.
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2 hours
|
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The mean amplitude of glycemic excursions (MAGE)
Tidsramme: 24 hours
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MAGE as parameter for the assessment of glycemic variability.
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24 hours
|
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Continuous overall net glycemic action (CONGA)
Tidsramme: 1 hour, 2 hours, and 4 hours
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CONGA to assess intraday glucose variability within predetermined time windows -> 1-hour interval (CONGA-1), 2-hour interval (CONGA-2), and 4-hour interval (CONGA-4).
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1 hour, 2 hours, and 4 hours
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Andre resultatmål
Andre resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
High-Sensitivity C-Reactive Protein (hs-CRP) levels
Tidsramme: Baseline, week 2, and twice in week 4
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Fasting hs-CRP as inflammatory marker
|
Baseline, week 2, and twice in week 4
|
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Blood pressure
Tidsramme: Baseline, week 2, week 3, and twice in week 4
|
Office systolic and diastolic blood pressure
|
Baseline, week 2, week 3, and twice in week 4
|
|
Body weight
Tidsramme: Baseline, week 2, week 3, and twice in week 4
|
Body weight in kilograms
|
Baseline, week 2, week 3, and twice in week 4
|
|
Height
Tidsramme: Baseline, week 2, week 3, and twice in week 4
|
Height in centimeters
|
Baseline, week 2, week 3, and twice in week 4
|
|
Body Mass Index
Tidsramme: Baseline, week 2, week 3, and twice in week 4
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Body weight and height will be combined to report BMI in kg/m^2
|
Baseline, week 2, week 3, and twice in week 4
|
|
Waist circumference
Tidsramme: Baseline, week 2, week 3, and twice in week 4
|
Waist circumference in centimeters
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Baseline, week 2, week 3, and twice in week 4
|
|
Hip circumference
Tidsramme: Baseline, week 2, week 3, and twice in week 4
|
Hip circumference in centimeters
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Baseline, week 2, week 3, and twice in week 4
|
|
Waist to hip ratio
Tidsramme: Baseline, week 2, week 3, and twice in week 4
|
Waist and hip circumference will be used to report the waist to hip ratio
|
Baseline, week 2, week 3, and twice in week 4
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Forventet)
Primær færdiggørelse
Studieafslutning (Forventet)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- METC 20-089
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
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Studerer et amerikansk FDA-reguleret enhedsprodukt
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