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
Panoramica dello studio
Stato
Stato
Condizioni
Condizioni
Intervento / Trattamento
Intervento / Trattamento
Tipo di studio
Tipo di studio
Iscrizione (Anticipato)
Iscrizione
Fase
Fase
- Non applicabile
Contatti e Sedi
Contatto studio
Contatto studio
- Nome: Maite M. Schroor, MSc.
- Numero di telefono: +31433884258
- Email: maite.schroor@maastrichtuniversity.nl
Backup dei contatti dello studio
- Nome: Ronald P. Mensink, PhD
- Numero di telefono: +31433881308
- Email: r.mensink@maastrichtuniversity.nl
Luoghi di studio
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Limburg
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Maastricht, Limburg, Olanda, 6229 ER
- Reclutamento
- Maastricht University Medical Center
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Contatto:
- Maite M. Schroor, MSc.
- Numero di telefono: +31433884258
- Email: maite.schroor@maastrichtuniversity.nl
-
Investigatore principale:
- Ronald P. Mensink, PhD
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Criteri di partecipazione
Criteri di ammissibilità
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
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
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Prevenzione
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione incrociata
- Mascheramento: Doppio
Numero di armi
Armi e interventi
Gruppo di partecipanti / ArmGruppo di partecipanti / Arm |
Intervento / TrattamentoIntervento / Trattamento |
|---|---|
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Sperimentale: 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.
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Comparatore attivo: 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.
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Triacylglycerol area under the curve (AUC)
Lasso di tempo: 4 hours
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The 4-hour AUC for triacylglycerol after consumption of a standardised mixed meal
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4 hours
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Misure di risultato secondarie
Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Fasting glucose metabolism
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
|
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24-hour glucose levels
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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)
Lasso di tempo: 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)
Lasso di tempo: 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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Altre misure di risultato
Altre misure di risultato
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
High-Sensitivity C-Reactive Protein (hs-CRP) levels
Lasso di tempo: Baseline, week 2, and twice in week 4
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Fasting hs-CRP as inflammatory marker
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Baseline, week 2, and twice in week 4
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Blood pressure
Lasso di tempo: Baseline, week 2, week 3, and twice in week 4
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Office systolic and diastolic blood pressure
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Baseline, week 2, week 3, and twice in week 4
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Body weight
Lasso di tempo: Baseline, week 2, week 3, and twice in week 4
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Body weight in kilograms
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Baseline, week 2, week 3, and twice in week 4
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Height
Lasso di tempo: Baseline, week 2, week 3, and twice in week 4
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Height in centimeters
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Baseline, week 2, week 3, and twice in week 4
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Body Mass Index
Lasso di tempo: 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
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Baseline, week 2, week 3, and twice in week 4
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Waist circumference
Lasso di tempo: Baseline, week 2, week 3, and twice in week 4
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Waist circumference in centimeters
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Baseline, week 2, week 3, and twice in week 4
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Hip circumference
Lasso di tempo: Baseline, week 2, week 3, and twice in week 4
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Hip circumference in centimeters
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Baseline, week 2, week 3, and twice in week 4
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Waist to hip ratio
Lasso di tempo: Baseline, week 2, week 3, and twice in week 4
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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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Collaboratori e investigatori
Sponsor
Sponsor
Studiare le date dei record
Studia le date principali
Inizio studio (Effettivo)
Inizio studio
Completamento primario (Anticipato)
Completamento primario
Completamento dello studio (Anticipato)
Completamento dello studio
Date di iscrizione allo studio
Primo inviato
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Primo Inserito
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento pubblicato
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
Altri numeri di identificazione dello studio
- METC 20-089
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