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Carbohydrate-based Strategies to Prevent Exercise-induced Hypoglycemia

8 de junio de 2020 actualizado por: Rémi Rabasa-Lhoret, Institut de Recherches Cliniques de Montreal

Comparison of Two Carbohydrate Intake Strategies to Improve Glucose Control During Exercise in Adolescents and Adults With Type 1 Diabetes

To prevent hypoglycemia during prolonged exercise (>30 minutes), additional carbohydrate intake is frequently required. Carbohydrate intake required will vary with insulin regimens, timing and type of exercise as well as starting blood glucose level. In addition to the amount of carbohydrate ingested, the timing of carbohydrate intake could also have an impact on glucose control during exercise. Therefore, the objective of this study will be to compare the efficacy of two snacking strategies to maintain glucose levels in the target range during an exercise period in adolescents and adults with type 1 diabetes: 1) a snack containing ~0.5g of carbohydrates per kilogram of body weight - rounded to the nearest 5g - given 5 minutes before exercise; 2) a snack containing ~0.5g of carbohydrates per kilogram of body weight - rounded to the nearest 5g - distributed this way: ~40% given 5 minutes before exercise, ~30% after 20 minutes of exercise and the last ~30% after 40 minutes of exercise.

Descripción general del estudio

Estado

Terminado

Condiciones

Intervención / Tratamiento

Tipo de estudio

Intervencionista

Inscripción (Actual)

37

Fase

  • No aplica

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Ubicaciones de estudio

  • Canadá
    • Quebec
      • Montreal, Quebec, Canadá
        • Institut de recherches cliniques de Montreal

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

14 años y mayores (Niño, Adulto, Adulto Mayor)

Acepta Voluntarios Saludables

No

Géneros elegibles para el estudio

Todos

Descripción

Inclusion Criteria:

  1. Males and females ≥ 14 years of old.
  2. Clinical diagnosis of type 1 diabetes for at least one year.
  3. Last (less than 3 months) HbA1c ≤ 10%.
  4. Patients using multiple daily injections with basal-bolus insulin regimen.

Exclusion Criteria:

  1. Clinically significant microvascular complications: nephropathy (estimated glomerular filtration rate below 40 ml/min), neuropathy (especially diagnosed gastroparesis) or severe proliferative retinopathy as judged by the investigator.
  2. Recent (< 3 months) acute macrovascular event e.g. acute coronary syndrome or cardiac surgery.
  3. Abnormal blood panel and/or anemia.
  4. Ongoing pregnancy.
  5. Severe hypoglycemic episode within two weeks of screening.
  6. Other serious medical illness likely to interfere with study participation or with the ability to complete the exercise periods by the judgment of the investigator (e.g. orthopedic limitation).
  7. Treatment with CSII (Continuous Subcutaneous Insulin Infusion) "insulin pump therapy".

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

  • Propósito principal: Tratamiento
  • Asignación: Aleatorizado
  • Modelo Intervencionista: Asignación cruzada
  • Enmascaramiento: Ninguno (etiqueta abierta)

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Comparador activo: Full snack given before exercise
A snack containing ~0.5g of carbohydrates per kilogram of body weight will be given 5 minutes before exercise
Otro: Exercise
Participants will be admitted at IRCM at 14:00. At 15:30, participants will performed a 60-minute exercise on the ergocycle at 60% of VO2 peak (moderate intensity). During exercise, capillary glucose levels will be measured every 10 minutes. At 16:30, the exercise will be completed and capillary glucose levels will be monitored every 20 minutes for 1 hour. At 17:30, the participant will be discharged.
Otro: Snack
Full snack or Distributed snack
Comparador activo: Distributed snack over exercise period
A snack containing ~0.5g of carbohydrates per kilogram of body weight distributed this way will be given: ~40% given 5 minutes before exercise, ~30% after 20 minutes of exercise and the last ~30% after 40 minutes of exercise.
Otro: Exercise
Participants will be admitted at IRCM at 14:00. At 15:30, participants will performed a 60-minute exercise on the ergocycle at 60% of VO2 peak (moderate intensity). During exercise, capillary glucose levels will be measured every 10 minutes. At 16:30, the exercise will be completed and capillary glucose levels will be monitored every 20 minutes for 1 hour. At 17:30, the participant will be discharged.
Otro: Snack
Full snack or Distributed snack

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Percentage of time of capillary glucose levels spent between 4-10 mmol/L
Periodo de tiempo: This outcome will be measured over 120 minutes
This time frame corresponds to the exercise period and the 1 hour following it
This outcome will be measured over 120 minutes

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Percentage of time of sensor glucose levels spent between 4-10 mmol/L
Periodo de tiempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
Percentage of time of glucose levels spent below 4 mmol/L
Periodo de tiempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
Decrease in glucose levels
Periodo de tiempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
Difference between glucose level at the start of the exercise and the lowest glucose level from the start of the exercise until 1) the end of the exercise and 2) 1 hour after the end of the exercise.
This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
Increase in glucose level
Periodo de tiempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
Difference between glucose level at the start of the exercise and the highest glucose level from the start of the exercise until 1) the end of the exercise and 2) 1 hour after the end of the exercise.
This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
Number of participants with an exercise-induced hypoglycemia below 4 mmol/L
Periodo de tiempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
Number of participants with an exercise-induced hypoglycemia below 3.5 mmol/L
Periodo de tiempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
Number of participants requiring an oral treatment for hypoglycemia
Periodo de tiempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
Total number of hypoglycemia episodes requiring treatment
Periodo de tiempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
Percentage of time of glucose levels spent above 10 mmol/L
Periodo de tiempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
Mean time (minutes) to the first hypoglycemic event
Periodo de tiempo: This outcome will be measured for the exercise period only (60 minutes)
This outcome will be measured for the exercise period only (60 minutes)
Mean glucose levels
Periodo de tiempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
Standard deviation of glucose levels
Periodo de tiempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
Percentage of time of glucose levels between 4 and 10 mmol/L
Periodo de tiempo: From the end of the exercise period to dinner time.
Dinner time will be up to the patient.
From the end of the exercise period to dinner time.
Percentage of time of glucose levels between 4 and 10 mmol/L
Periodo de tiempo: From the end of the exercise period to midnight (7.5 hours)
From the end of the exercise period to midnight (7.5 hours)
Percentage of time of glucose levels between 4 and 10 mmol/L
Periodo de tiempo: From midnight to 6:00 next morning (6 hours)
From midnight to 6:00 next morning (6 hours)
Percentage of time of glucose levels between 4 and 10 mmol/L
Periodo de tiempo: From the end of the exercise period to 6:00 next morning (13.5 hours)
From the end of the exercise period to 6:00 next morning (13.5 hours)
Percentage of time of glucose levels spent below 4 mmol/L
Periodo de tiempo: From the end of the exercise period to dinner time
Dinner time will be up to the patient.
From the end of the exercise period to dinner time
Percentage of time of glucose levels spent below 4 mmol/L
Periodo de tiempo: From the end of the exercise period to midnight (7.5 hours)
From the end of the exercise period to midnight (7.5 hours)
Percentage of time of glucose levels spent below 4 mmol/L
Periodo de tiempo: From midnight to 6:00 next morning (6 hours)
From midnight to 6:00 next morning (6 hours)
Percentage of time of glucose levels spent below 4 mmol/L
Periodo de tiempo: From the end of the exercise period to 6:00 next morning (13.5 hours)
From the end of the exercise period to 6:00 next morning (13.5 hours)
Percentage of time of glucose levels spent above 10 mmol/L
Periodo de tiempo: From the end of the exercise period to dinner time
Dinner time will be up to the patient
From the end of the exercise period to dinner time
Percentage of time of glucose levels spent above 10 mmol/L
Periodo de tiempo: From the end of the exercise period to midnight (7.5 hours)
From the end of the exercise period to midnight (7.5 hours)
Percentage of time of glucose levels spent above 10 mmol/L
Periodo de tiempo: From midnight to 6:00 next morning (6 hours)
From midnight to 6:00 next morning (6 hours)
Percentage of time of glucose levels spent above 10 mmol/L
Periodo de tiempo: From the end of the exercise period to 6:00 next morning (13.5 hours)
From the end of the exercise period to 6:00 next morning (13.5 hours)
Number of participants requiring treatment for hypoglycemia
Periodo de tiempo: From the end of the exercise period to dinner time
Dinner time will be up to the patient
From the end of the exercise period to dinner time
Number of participants requiring treatment for hypoglycemia
Periodo de tiempo: From the end of the exercise period to midnight (7.5 hours)
From the end of the exercise period to midnight (7.5 hours)
Number of participants requiring treatment for hypoglycemia
Periodo de tiempo: From midnight to 6:00 next morning (6 hours)
From midnight to 6:00 next morning (6 hours)
Number of participants requiring treatment for hypoglycemia
Periodo de tiempo: From the end of the exercise period to 6:00 next morning (13.5 hours)
From the end of the exercise period to 6:00 next morning (13.5 hours)
Number of hypoglycemic episodes requiring treatment
Periodo de tiempo: From the end of the exercise period to dinner time
Dinner time will be up to the patient
From the end of the exercise period to dinner time
Number of hypoglycemic episodes requiring treatment
Periodo de tiempo: From the end of the exercise period to midnight (7.5 hours)
From the end of the exercise period to midnight (7.5 hours)
Number of hypoglycemic episodes requiring treatment
Periodo de tiempo: From midnight to 6:00 next morning (6 hours)
From midnight to 6:00 next morning (6 hours)
Number of hypoglycemic episodes requiring treatment
Periodo de tiempo: From the end of the exercise period to 6:00 next morning (13.5 hours)
From the end of the exercise period to 6:00 next morning (13.5 hours)
Mean glucose levels
Periodo de tiempo: From the end of the exercise period to dinner time
Dinner time will be up to the patient
From the end of the exercise period to dinner time
Mean glucose levels
Periodo de tiempo: From the end of the exercise period to midnight (7.5 hours)
From the end of the exercise period to midnight (7.5 hours)
Mean glucose levels
Periodo de tiempo: From midnight to 6:00 next morning (6 hours)
From midnight to 6:00 next morning (6 hours)
Mean glucose levels
Periodo de tiempo: From the end of the exercise period to 6:00 next morning (13.5 hours)
From the end of the exercise period to 6:00 next morning (13.5 hours)

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Patrocinador

Institut de Recherches Cliniques de Montreal

Publicaciones y enlaces útiles

La persona responsable de ingresar información sobre el estudio proporciona voluntariamente estas publicaciones. Estos pueden ser sobre cualquier cosa relacionada con el estudio.

Publicaciones Generales

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio (Actual)

3 de agosto de 2017

Finalización primaria (Actual)

2 de agosto de 2019

Finalización del estudio (Actual)

2 de agosto de 2019

Fechas de registro del estudio

Enviado por primera vez

6 de julio de 2017

Primero enviado que cumplió con los criterios de control de calidad

10 de julio de 2017

Publicado por primera vez (Actual)

11 de julio de 2017

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

11 de junio de 2020

Última actualización enviada que cumplió con los criterios de control de calidad

8 de junio de 2020

Última verificación

1 de junio de 2020

Más información

Términos relacionados con este estudio

Palabras clave

Términos MeSH relevantes adicionales

Otros números de identificación del estudio

  • SNACK-1

Información sobre medicamentos y dispositivos, documentos del estudio

Estudia un producto farmacéutico regulado por la FDA de EE. UU.

No

Estudia un producto de dispositivo regulado por la FDA de EE. UU.

No

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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