Comparing Diet and Exercise Approaches in Women (CWW)
Comparison of Two Diet and Exercise Approaches on Weight Loss and Health Outcomes in Obese Women
Panoramica dello studio
Stato
Stato
Condizioni
Condizioni
Intervento / Trattamento
Intervento / Trattamento
Descrizione dettagliata
Tipo di studio
Tipo di studio
Iscrizione (Effettivo)
Iscrizione
Fase
Fase
- Non applicabile
Criteri di partecipazione
Criteri di ammissibilità
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
Inclusion Criteria:
- Participant is female
- Participant is between the ages of 18 and 45
- Participant is sedentary and overweight (BMI > 27)
Exclusion Criteria:
- Participant has any metabolic disorder including known electrolyte abnormalities, heart disease, arrhythmias, diabetes, thyroid disease, or hypogonadism;
- Participant has a history of hypertension, hepatorenal, musculoskeletal, autoimmune or neurological disease;
- Participant is taking thyroid, hyperlipidemic, hypoglycemic, anti-hypertensive or androgenic medications;
- Participant has been pregnant or lactating within the past 12 months or are planning to become pregnant during the next 12 months;
- Participant is involved in a planned exercise program (> 30 min./d. 3 d./wk.) within 3 - 6 months prior to the start of the study;
- Participant has taken any weight loss medications and/or dietary supplements that may affect muscle mass or body weight during the three month time period prior to beginning the study;
- Participant has a recent history of weight change (+/- 7 lbs. within the last 3 months).
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Ricerca sui servizi sanitari
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione parallela
- Mascheramento: Doppio
Numero di armi
Armi e interventi
Gruppo di partecipanti / ArmGruppo di partecipanti / Arm |
Intervento / TrattamentoIntervento / Trattamento |
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Nessun intervento: Control
No diet or exercise intervention
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Sperimentale: Curves Program
The Curves group will follow the high protein/low fat diet (30% carbohydrate, 45% protein, 25% fat) for 7-days at 1,200 kcals/day and then 1,500 kcals/day for the remaining 21-days of the 30-day diet period.
The participants will then consume a normal maintenance diet (2,200 kcals/d; 45% carbohydrate, 30% protein, 25% fat) for 30-days.
During the maintenance period, participants will diet for 2-days at 1,200 kcals/day if they gain 3 pounds of weight.
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The Curves Circuit consists performing 13 hydraulic resistance exercise machines that utilize bidirectional resistance that work all major muscle groups.
These are interspersed with floor-based calisthenic exercises designed to maintain an elevated heart rate.
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Sperimentale: Weight Watchers Momentum Program
This program is based on the Weight Watchers four pillar approach (food, exercise, behavior and support).
The Momentum Program uses POINTS values to help keep track of what you eat.
A POINTS "budget" will be personalized for you at the weekly meetings.
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The Weight Watchers program encourages one to increase physical activity.
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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 |
|---|---|---|
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Body Composition: Body Weight
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in body weight (lbs.
body weight) obtained via digital scale and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Body Composition: Fat Mass
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
|
Changes in body composition (lbs.
fat mass) obtained via Dual-Energy X-Ray Absorptiometry (DXA) and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Body Composition: Lean Mass
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in body composition (lbs.
lean mass) obtained via DXA and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Body Composition: Percent Body Fat
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in body composition (% body fat) obtained via DXA and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Energy Homeostasis: Resting Energy Expenditure (REE)
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in REE obtained via metabolic cart and expressed in absolute (kcal/d) and relative terms (kcals/kg/d) and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Misure di risultato secondarie
Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Muscular Strength: 1 Repetition Maximum (1 RM) Bench Press
Lasso di tempo: Measured prior to supplementation (Pre), and after 16 weeks
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Changes in bench press 1 Repetition Maximum (1RM) obtained from a bench press test and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 16 weeks
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Muscular Strength: 1 Repetition Maximum (1 RM) Leg Press
Lasso di tempo: Measured prior to supplementation (Pre), and after 16 weeks
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Changes in leg press 1RM obtained from a leg press test and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 16 weeks
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Muscular Endurance: 80% of 1 Repetition Maximum (1 RM) Bench Press Endurance Test
Lasso di tempo: Measured prior to supplementation (Pre), and after 16 weeks
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Changes in total repetitions at 80% of 1RM obtained from a bench press test and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 16 weeks
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Muscular Endurance: 80% of 1 Repetition Maximum (1 RM) Leg Press Endurance Test
Lasso di tempo: Measured prior to supplementation (Pre), and after 16 weeks
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Changes in total repetitions at 80% of 1RM obtained from a leg press test and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 16 weeks
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Lipid Panel: Cholesterol
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in cholesterol obtained via venous blood draws and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Lipid Panel: HDL Cholesterol
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in HDL cholesterol obtained via venous blood draws and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Lipid Panel: LDL Cholesterol
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in LDL cholesterol obtained via venous blood draws and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Lipid Panel: Triglycerides
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in triglycerides obtained via venous blood draws and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Lipid Panel: Cholesterol:HDL Ratio
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
|
Changes in cholesterol to HDL cholesterol ratio obtained via venous blood draws and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Comprehensive Metabolic Panel (CMP): Glucose
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in glucose obtained via venous blood draws and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Hormones: Insulin
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in insulin obtained via venous blood draws and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Hormones: Leptin
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in leptin obtained via venous blood draws and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Homeostatic Model Assessment of Insulin Resistance (HOMA-IR): Homeostatic Model Assessment of Insulin Resistance
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in HOMA-IR obtained via venous blood draws and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Hemodynamic Variable: Resting Heart Rate (HR)
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
|
Changes in resting heart rate (HR) obtained via a blood pressure meter and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Hemodynamic Variable: Resting Systolic Blood Pressure (SBP)
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in resting systolic blood pressure (SBP) obtained via a blood pressure meter and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Hemodynamic Variable: Resting Diastolic Blood Pressure (SBP)
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in resting diastolic blood pressure (DBP) obtained via a blood pressure meter and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Anthropometric Measures: Waist Circumference
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in waist circumference obtained via tape measure and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Anthropometric Measures: Hip Circumference
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in hip circumference obtained via tape measure and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Anthropometric Measures: Waist to Hip Ratio
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in the ratio of waist to hip (waist/hip circumference) analyzed with related anthropometric outcome measures via General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Exercise Capacity: Peak Exercise Capacity (VO2)
Lasso di tempo: Measured prior to supplementation (Pre), and after 16 weeks
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Changes in exercise capacity (VO2 max) obtained via a treadmill test and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 16 weeks
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Exercise Capacity: Time to Peak Exercise Capacity (time to peak VO2)
Lasso di tempo: Measured prior to supplementation (Pre), and after 16 weeks
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Changes in exercise capacity (time to peak VO2 max) obtained via a treadmill test and analyzed by General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 16 weeks
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Dietary Energy Intake: Total Caloric Intake (kcals/d)
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in caloric/energy intake (kcals/d) analyzed with related energy intake outcome measures via General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Dietary Energy Intake: Carbohydrate
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in dietary carbohydrate intake (g/d and g/kg/d) analyzed with related energy intake outcome measures via General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Dietary Energy Intake: Fat
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in dietary fat intake (g/d and g/kg/d) analyzed with related energy intake outcome measures via General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Dietary Energy Intake: Protein
Lasso di tempo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Changes in dietary protein intake (g/d and g/kg/d) analyzed with related energy intake outcome measures via General Linear Model multivariate and univariate analyses with repeated measures and mean change from baseline with 95% confidence intervals (CI's)
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Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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Collaboratori e investigatori
Sponsor
Sponsor
Investigatori
Investigatori
- Investigatore principale: Richard B Kreider, PhD, Texas A&M University
Pubblicazioni e link utili
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Inizio studio
Completamento primario (Effettivo)
Completamento primario
Completamento dello studio (Effettivo)
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)
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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
Altri numeri di identificazione dello studio
Altri numeri di identificazione dello studio
- IRB2010-0130F
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