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An Online Lifestyle Program With an AI Lifestyle Coach and Continues Glucose Monitoring in Type 2 Diabetes. (PREVAIL)

22 de junio de 2026 actualizado por: Lotte Peters, University of Twente

"An Online Personalised Lifestyle Program With a Virtual AI Lifestyle Coach in Combination With Continues Glucose Monitoring for People With Type 2 Diabetes."

The aim of this study is to evaluate the feasibility and effectiveness of a remote personalised lifestyle program in individuals with T2D. Outcomes will be assessed at the start and after 3, 6, and 12 months with two follow-up measurements (18 and 24 months) to determine whether participation in this re-mote lifestyle program leads to improvements in health and diabetes-related outcomes.

Descripción general del estudio

Descripción detallada

Rationale: An estimated 400,000 individuals in the Netherlands are living with undiagnosed type 2 diabetes (T2D), in addition to 1.1 million diagnosed cases. Unhealthy lifestyle behaviours are a major contributing factor. Intensive lifestyle interventions and Continuous Glucose Monitoring (CGM) have demonstrated effectiveness in improving health behaviour and glycaemic control. Digital health technologies, including personalised digital interventions and virtual coaching enable continuous, scalable and context-specific support, thereby facilitating sustained behaviour change and improved self-management. Remote lifestyle interventions are therefore promising and may enhance self-management and glycaemic control, reduce medicine use and delay the development of comorbidities and diabetes-related complications. This study evaluates a remote, personalised lifestyle program combining online group sessions, peer support, CGM use, and a virtual AI lifestyle coach for individuals living with T2D.

Objective: The objective of this study is to evaluate the added value of CGM, biofeedback and a virtual AI lifestyle coach providing personalised, data-driven support within a first prototype of a remote lifestyle intervention for adults with T2D. Specifically, this pilot randomized controlled trial aims to assess the incremental effects of CGM, biofeedback and AI supported personalised coaching, informed by glucose data, demographics, behaviour, goals and preferences on health behaviours and glycaemic control over a 12-month period with two follow-up measurements.

Study design: This three-arm parallel-group randomized controlled trial includes:

  1. A lifestyle program consisting of online group sessions and a peer support community.
  2. The same lifestyle program supplemented with a virtual AI lifestyle coach.
  3. The AI-supported program with four times CGM use.

Study population: Adults (n=160) with T2D (HbA1c ≥53 mmol/mol) without glucose lowering medication (except Metformin), both men and women from all ethnic backgrounds.

Intervention: Participants complete an online baseline questionnaire and a brief in-app intake prior to randomization. All participants attend online group sessions and may engage with peers via the online community. The AI lifestyle coach uses the baseline data to have personalised coaching conversations with the participant throughout the intervention. In the third arm, real-time CGM data are additionally integrated into the AI-driven personalisation process.

Main study parameters/endpoints: The primary outcome is change in HbA1c from baseline to 12 months. Secondary outcomes include changes in physiological (e.g. body weight), clinical (e.g. time in range), behavioural (e.g. dietary intake), and psychological (e.g. quality of life) outcomes.

Tipo de estudio

Intervencionista

Inscripción (Estimado)

160

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

Copia de seguridad de contactos de estudio

Ubicaciones de estudio

    • Overijssel
      • Enschede, Overijssel, Países Bajos, 7500 AE
        • University of Twente
        • Contacto:
        • Investigador principal:
          • Lotte G.P. Peters, MSc

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
  • HbA1c: ≥53 mmol/mol (7 - 12%)
  • Signed informed consent form and willing to comply with the study procedures
  • Persons who are naïve for participation in a lifestyle program for the past two years
  • Being digitally competent
  • Mastering the Dutch language
  • Accepting the confidential use and storage of anonymised data for analysis and publication (at least 15 years)

Exclusion Criteria:

  • Medication use: any other glucose-lowering medication than metformin
  • Comorbidities or medical conditions requiring a special diet that conflicts with the study
  • Unstable body weight in the three months prior to inclusion in the study (±5% change based on body weight)
  • Circumstances that lead to unreliable HbA1c values, such as blood donation
  • Pregnant or lactating women

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: Cuidados de apoyo
  • Asignación: Aleatorizado
  • Modelo Intervencionista: Asignación paralela
  • Enmascaramiento: Ninguno (etiqueta abierta)

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Comparador activo: Arm 1
Lifestyle program (control group)
Participants are asked to work on improving their lifestyle. They have access to an online community throughout the study, where they can get in touch with other participants within their research-arm. Participants are also asked to attend twelve online group sessions, during which a lifestyle coach will explain more about nutrition, physical activity, sleep, stress, social aspects, challenges and setbacks, and long-term maintenance.
Experimental: Arm 2
Lifestyle program + coach
Idem to arm one, supplemented with a virtual AI lifestyle coach. The AI lifestyle coach can process all the information about the participant that was provided at baseline. This information is compiled into a participant profile, which the AI lifestyle coach uses to initiate personalised conversations with the participant. During these conversations, the AI lifestyle coach supports the participant through a structured coaching cycle of three phases: preparation (reflecting on what matters and co-creating a personalised plan), coaching (day-to-day support to work on the plan), and evaluation (reviewing progress and adjusting or renewing the plan). The coach draws on an evidence-based knowledge base of lifestyle interventions to recommend appropriate, evidence-informed actions. The use of the AI lifestyle coach is an additional topic to the online group sessions.
Experimental: Arm 3
Lifestyle program + coach + CGM
Idem to arm two, but participants are also asked to wear an CGM four times for two consecutive weeks. The glucose values information collected by the CGM is used by the AI lifestyle coach to make conversations with the participant even more personalized. The use of CGMs is an additional topic to the online group sessions.

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Change in HbA1c levels
Periodo de tiempo: From the beginning of the study to the end of the study at 12 months
The main study parameter is the impact of the lifestyle program on blood glucose levels, as evaluated by changes in HbA1c levels at the beginning of the study and after 3, 6 and 12 months.
From the beginning of the study to the end of the study at 12 months

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Change in body weight
Periodo de tiempo: From the beginning of the study to the end of the study (12 months), including the two follow-up measurements at 18 and 24 months
From the beginning of the study to the end of the study (12 months), including the two follow-up measurements at 18 and 24 months
Change in medication use
Periodo de tiempo: From the beginning of the study to the end of the study (12 months), including the two follow-up measurements at 18 and 24 months
From the beginning of the study to the end of the study (12 months), including the two follow-up measurements at 18 and 24 months
Change in waist and hip circumference
Periodo de tiempo: From the beginning of the study to the end of the study (12 months), including the two follow-up measurements at 18 and 24 months
From the beginning of the study to the end of the study (12 months), including the two follow-up measurements at 18 and 24 months
Change in albumin-creatinine ratio
Periodo de tiempo: From the beginning of the study to the end of the study (12 months)
Urine sample
From the beginning of the study to the end of the study (12 months)
Change in blood pressure
Periodo de tiempo: From the beginning of the study to the end of the study (12 months)
Systolic and diastolic blood pressure
From the beginning of the study to the end of the study (12 months)
Change in habitual dietary intake assessed with the Nutri+ instrument
Periodo de tiempo: From the beginning of the study to the end of the study (12 months), including the two follow-up measurements at 18 and 24 months
From the beginning of the study to the end of the study (12 months), including the two follow-up measurements at 18 and 24 months
Change in glycaemic regulation assessed with CGM and blood sample
Periodo de tiempo: From the beginning of the study to the end of the study (12 months)
From the beginning of the study to the end of the study (12 months)
Study evaluation
Periodo de tiempo: Once at the end of the study at 12 months
Dutch System Usability Scale (SUS). Ten questions on a 5-point Likert scale (1 = strongly disagree to 5 = strongly agree). Higher scores indicate greater overall usability of the system being studied.
Once at the end of the study at 12 months
Tailoring
Periodo de tiempo: Once at the end of the study at 12 months
Success in Tailoring (SIT) scale. Eight items on a 5-point Likert-scale (1 = strongly disagree to 5 = strongly agree). Higher scores indicate greater perceived individual tailoring of the information.
Once at the end of the study at 12 months
Change in quality of life
Periodo de tiempo: At the start of the study and at the two follow-up measurements at 18 and 24 months
Health-related quality of life (EQ-5D). It assigns a score across five health dimensions, from "I have no problems..." to "I am unable to...". The higher the score, the better the quality of life.
At the start of the study and at the two follow-up measurements at 18 and 24 months

Otras medidas de resultado

Medida de resultado
Medida Descripción
Periodo de tiempo
Socio-demographic characteristics
Periodo de tiempo: At baseline
Socio-demographic characteristics obtained with the baseline questionnaire.
At baseline

Colaboradores e Investigadores

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

Patrocinador

Colaboradores

TNO

Investigadores

  • Investigador principal: Goos D. Laverman, Prof. Dr., University of Twente

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 (Estimado)

1 de septiembre de 2026

Finalización primaria (Estimado)

1 de diciembre de 2028

Finalización del estudio (Estimado)

1 de diciembre de 2028

Fechas de registro del estudio

Enviado por primera vez

16 de junio de 2026

Primero enviado que cumplió con los criterios de control de calidad

16 de junio de 2026

Publicado por primera vez (Actual)

22 de junio de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

25 de junio de 2026

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

22 de junio de 2026

Última verificación

1 de junio 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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