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Satisfaction of Specific Modes Related to Physical Activity in People Living With Type 1 Diabetes and Using an Hybrid Closed-loop System (BF-ACT)

27 de abril de 2026 actualizado por: University Hospital, Grenoble

The BF-ACT study is a single-center, non-interventional (RIPH3) descriptive study conducted at CHU Grenoble Alpes. It aims to evaluate the satisfaction of adults with type 1 diabetes using closed-loop insulin delivery systems, specifically regarding the "physical activity mode" designed to adapt insulin delivery during exercise.

Although physical activity is essential for managing type 1 diabetes, it remains challenging due to the risk of hypoglycemia. Closed-loop systems have improved glucose control, but their effectiveness during exercise depends on multiple factors, and their real-life use can be complex. Currently, little is known about patient satisfaction and experience with these specific modes.

The study will collect data through a self-administered questionnaire, distributed to eligible patients (≥18 years old, with type 1 diabetes, using a closed-loop system for at least 4 months). The primary outcome is the satisfaction score based on the questionnaire. Secondary objectives include describing physical activity perception, usage of the activity mode, and comparing users versus non-users.

Approximately up to 900 patients may be included over a 4-month recruitment period. Clinical and glucose monitoring data will also be collected from medical records. The results are expected to improve patient education, device usability, and support for physical activity in people living with type 1 diabetes.

Descripción general del estudio

Estado

Reclutamiento

Condiciones

Intervención / Tratamiento

Tipo de estudio

Intervencionista

Inscripción (Estimado)

900

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.

Estudio Contacto

  • Nombre: Quentin Perrier, PharmD, phD
  • Número de teléfono: +33 4 76 76 55 16
  • Correo electrónico: qperrier@chu-grenoble.fr

Ubicaciones de estudio

      • Grenoble, Francia
        • Reclutamiento
        • CHU Grenoble Alpes
        • Contacto:

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

  • Adulto
  • Adulto Mayor

Acepta Voluntarios Saludables

No

Descripción

Inclusion Criteria

  • Age ≥ 18 years
  • Patient living with type 1 diabetes
  • Patient using a closed-loop system for at least 4 months
  • Patient followed by a diabetologist in our center

Exclusion criteria

  • People opposed to the research
  • People protected by the law

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: Otro
  • Asignación: N / A
  • Modelo Intervencionista: Asignación de un solo grupo
  • Enmascaramiento: Ninguno (etiqueta abierta)

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Otro: Only 1 arm = patient treated with AID systems
Administration of 1 questionnar to investigate the satisfaction with the physical activity mode of closed-loop systems among people living with type 1 diabetes.

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Satisfaction score
Periodo de tiempo: Baseline
Part C, D and E of the questionnar
Baseline

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Describe the perception of physical activity within the study population
Periodo de tiempo: Baseline
Part A of the questionnar
Baseline
Describe the proportion of individuals using the physical activity mode in our study
Periodo de tiempo: Baseline
Part B of the questionnar
Baseline
Describe satisfaction with the mode in relation to the physical activities performed by patients
Periodo de tiempo: Baseline
Part F of the questionnar
Baseline
Describe overall satisfaction with the "physical activity" mode
Periodo de tiempo: Baseline
Part G of the questionnar
Baseline
Compare populations who use the physical activity mode with those who do not use it
Periodo de tiempo: Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

HbA1c (%)

Baseline
Compare populations who use the physical activity mode with those who do not use it
Periodo de tiempo: Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

Type of closed-loop system

Baseline
Compare populations who use the physical activity mode with those who do not use it
Periodo de tiempo: Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

Duration of use of the closed-loop system

Baseline
Compare populations who use the physical activity mode with those who do not use it
Periodo de tiempo: Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

Time spent in closed-loop mode

Baseline
Compare populations who use the physical activity mode with those who do not use it
Periodo de tiempo: Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

Duration of type 1 diabetes

Baseline
Compare populations who use the physical activity mode with those who do not use it
Periodo de tiempo: Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

Age

Baseline
Compare populations who use the physical activity mode with those who do not use it
Periodo de tiempo: Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

Sex

Baseline
Compare populations who use the physical activity mode with those who do not use it
Periodo de tiempo: Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

Body Mass Index (BMI)

Baseline
Compare populations who use the physical activity mode with those who do not use it
Periodo de tiempo: Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

CGM data over the 15 days prior to questionnaire completion:

  • Time in Range (TIR) 70-180 mg/dL
  • Time in Tight Range (TITR) 70-140 mg/dL
  • Time Above Range (TAR) > 180 mg/dL and > 250 mg/dL
  • Time Below Range (TBR) < 70 mg/dL and < 54 mg/dL
Baseline
Compare populations who use the physical activity mode with those who do not use it
Periodo de tiempo: Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

CGM data over the 15 days prior to questionnaire completion:

- Mean glucose (mg/dL)

Baseline
Compare populations who use the physical activity mode with those who do not use it
Periodo de tiempo: Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

CGM data over the 15 days prior to questionnaire completion:

- Glucose Management Index (GMI)

Baseline
Compare populations who use the physical activity mode with those who do not use it
Periodo de tiempo: Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

CGM data over the 15 days prior to questionnaire completion:

- Coefficient of Variation (CV, in %)

Baseline
Compare populations who use the physical activity mode with those who do not use it
Periodo de tiempo: Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

CGM data over the 15 days prior to questionnaire completion:

- Glycemia Risk Index (GRI)

Baseline
Compare populations who use the physical activity mode with those who do not use it
Periodo de tiempo: Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

CGM data over the 15 days prior to questionnaire completion:

- Total daily insulin dose (IU/day)

Baseline
Compare populations who use the physical activity mode with those who do not use it
Periodo de tiempo: Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

CGM data over the 15 days prior to questionnaire completion:

- Percentage of use of the physical activity mode

Baseline

Colaboradores e Investigadores

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

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)

21 de abril de 2026

Finalización primaria (Estimado)

31 de agosto de 2026

Finalización del estudio (Estimado)

31 de diciembre de 2026

Fechas de registro del estudio

Enviado por primera vez

20 de abril de 2026

Primero enviado que cumplió con los criterios de control de calidad

27 de abril de 2026

Publicado por primera vez (Actual)

5 de mayo de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

5 de mayo de 2026

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

27 de abril de 2026

Última verificación

1 de abril de 2026

Más información

Términos relacionados con este estudio

Plan de datos de participantes individuales (IPD)

¿Planea compartir datos de participantes individuales (IPD)?

INDECISO

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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