- ICH GCP
- Registro de ensayos clínicos de EE. UU.
- Ensayo clínico NCT01967992
Examining the Effects of Diet on Health With an Online Program
Descripción general del estudio
Estado
Condiciones
Descripción detallada
Tipo de estudio
Inscripción (Actual)
Fase
- Fase 2
Contactos y Ubicaciones
Ubicaciones de estudio
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-
California
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San Francisco, California, Estados Unidos, 94115
- University of California, San Francisco
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-
Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Descripción
Inclusion Criteria:
- HbA1c 6.5%-9% at screening.
- Aged 18 years old and older
- BMI 25 and above.
- Willing and able to participate in the interventions such as having sufficient control over their food intake. Must have the ability to make choices about the food they eat; cannot have a lifestyle in which they eat out most of their meals.)
Exclusion Criteria:
- Unable to provide informed consent.
- Non English speaker.
- No current use of insulin, no immediate plans to start or increase diabetic mediations, and no use of diabetes medications besides metformin.
- A substance abuse, mental health, or medical condition that, in the opinion of investigators, will make it difficult for the potential participant to participate in the intervention. Such conditions may include: cancer, liver failure, unstable coronary artery disease, severe emphysema, binge eating disorder or history of binge eating disorder, bulimia or strong history of bulimia.
- Previous use or recent changes in medications that can interfere with the measures used in the study: current use of insulin; use of systemic (oral or IV) corticosteroids in the 6 months prior to enrollment or severe autoimmune disorders or other conditions (e.g. rheumatoid arthritis, lupus), that are likely to require these medications; and initiation of new class of psychiatric medications in past 2 months.
- Pregnant or planning to get pregnant in the next 12 months, breastfeeding or less than 6 months post-partum.
- Current use of weight loss medications or supplements such as Alli or amphetamine-based drugs that are believed to have some effect on weight.
- History of or planned weight loss surgery.
- Vegan or vegetarian. The intervention diets are more challenging for vegan and vegetarian participants.
- No or very limited internet access at a computer. Must be able to complete the online assessments and access the online class materials.
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
- Propósito principal: Tratamiento
- Asignación: Aleatorizado
- Modelo Intervencionista: Asignación paralela
- Enmascaramiento: Único
Armas e Intervenciones
Grupo de participantes/brazo |
Intervención / Tratamiento |
|---|---|
|
Comparador activo: American Diabetes Association recommended diet
Participants in the American Diabetes Association (ADA) diet group will receive standard ADA advice.
The diet includes high-fiber foods (such as vegetables, fruits, whole grains, and legumes), low-fat dairy products, fresh fish, and foods low in saturated fat.
They will be asked to use the "plate method" to guide their nutritional choices.
|
|
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Experimental: Low Carbohydrate Diet
Participants will be instructed to follow a low carbohydrate, ketogenic diet: carbohydrate intake 20-35 grams a day not including fiber. Foods permitted include: meats, poultry, fish, eggs, cheese, cream, some nuts and seeds, green leafy vegetables, and most other non-starchy vegetables. Because most individuals self-limit caloric intake, no calorie restriction will be recommended. Participants will also be taught information about mindfulness and positive affect practices. The mindfulness-based curriculum will focus on the following elements: training on topics such as mindful meditation, mindful eating, awareness of fullness and hunger signals, and taste satiety. The positive emotion curriculum will include: training on topics such as noticing and savoring positive events, gratitude, positive reappraisal, personal strengths, attainable goals, and acts of kindness. |
¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
|
Hemoglobin A1c
Periodo de tiempo: baseline to 16 weeks
|
We will test whether Hemoglobin A1c changes from pre-intervention to 16 weeks.
The key outcome measure will compare the two groups, but we will also assess whether statistically significant changes occur within groups from pre-intervention to 16 weeks.
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baseline to 16 weeks
|
Medidas de resultado secundarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
|
Hemoglobin A1c
Periodo de tiempo: baseline to 32 weeks
|
We will test whether Hemoglobin A1c changes from pre-intervention to 32 weeks.
The key outcome measure will compare the two groups, but we will also assess whether statistically significant changes occur within groups from pre-intervention to 32 weeks.
|
baseline to 32 weeks
|
Otras medidas de resultado
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
|
Body weight
Periodo de tiempo: baseline to 16 weeks
|
We will test whether body weight changes from pre-intervention to 16 weeks.
The key outcome measure will compare the two groups, but we will also assess whether statistically significant changes occur within groups from pre-intervention to 16 weeks.
|
baseline to 16 weeks
|
|
Body weight
Periodo de tiempo: baseline to 32 weeks
|
We will test whether body weight changes from pre-intervention to 32 weeks.
The key outcome measure will compare the two groups, but we will also assess whether statistically significant changes occur within groups from pre-intervention to 32 weeks.
|
baseline to 32 weeks
|
Colaboradores e Investigadores
Patrocinador
Investigadores
- Investigador principal: Rick Hecht, MD, University of California, San Francisco
- Investigador principal: Laura R Saslow, PhD, University of Michigan
Publicaciones y enlaces útiles
Enlaces Útiles
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio
Finalización primaria (Actual)
Finalización del estudio (Actual)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Estimar)
Actualizaciones de registros de estudio
Última actualización publicada (Estimar)
Última actualización enviada que cumplió con los criterios de control de calidad
Última verificación
Más información
Términos relacionados con este estudio
Palabras clave
Otros números de identificación del estudio
- 13-11813
Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .
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