Comparing Diet and Exercise Approaches in Women (CWW)
Comparison of Two Diet and Exercise Approaches on Weight Loss and Health Outcomes in Obese Women
Visão geral do estudo
Status
Status
Condições
Condições
Intervenção / Tratamento
Intervenção / Tratamento
Descrição detalhada
Tipo de estudo
Tipo de estudo
Inscrição (Real)
Inscrição
Estágio
Estágio
- Não aplicável
Critérios de participação
Critérios de elegibilidade
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Descrição
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).
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
- Finalidade Principal: Pesquisa de serviços de saúde
- Alocação: Randomizado
- Modelo Intervencional: Atribuição Paralela
- Mascaramento: Dobro
Número de braços
Armas e Intervenções
Grupo de Participantes / BraçoGrupo de Participantes / Braço |
Intervenção / TratamentoIntervenção / Tratamento |
|---|---|
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Sem intervenção: Control
No diet or exercise intervention
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Experimental: 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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Experimental: 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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O que o estudo está medindo?
Medidas de resultados primários
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Body Composition: Body Weight
Prazo: 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
Prazo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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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
Prazo: 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
Prazo: 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)
Prazo: 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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Medidas de resultados secundários
Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Muscular Strength: 1 Repetition Maximum (1 RM) Bench Press
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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)
Prazo: Measured prior to supplementation (Pre), and after 4, 6, 10, 12 and 16 weeks
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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)
Prazo: 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)
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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)
Prazo: 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)
Prazo: 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)
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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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Colaboradores e Investigadores
Patrocinador
Patrocinador
Investigadores
Investigadores
- Investigador principal: Richard B Kreider, PhD, Texas A&M University
Publicações e links úteis
Datas de registro do estudo
Datas Principais do Estudo
Início do estudo (Real)
Início do estudo
Conclusão Primária (Real)
Conclusão Primária
Conclusão do estudo (Real)
Conclusão do estudo
Datas de inscrição no estudo
Enviado pela primeira vez
Enviado pela primeira vez
Enviado pela primeira vez que atendeu aos critérios de CQ
Enviado pela primeira vez que atendeu aos critérios de CQ
Primeira postagem (Real)
Primeira postagem
Atualizações de registro de estudo
Última Atualização Postada (Real)
Última Atualização Postada
Última atualização enviada que atendeu aos critérios de controle de qualidade
Última atualização enviada que atendeu aos critérios de controle de qualidade
Última verificação
Última verificação
Mais Informações
Termos relacionados a este estudo
Palavras-chave
Outros números de identificação do estudo
Outros números de identificação do estudo
- IRB2010-0130F
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