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VA|PREVENTION: Randomized Controlled Trial of a Person-Centred Digital Intervention to Prevent Diabetes in High-Risk Adults
Sponsor: Egas Moniz - Cooperativa de Ensino Superior, CRL
Summary
The goal of this clinical trial is to help prevent the development of type 2 diabetes (T2D) in adults who are at risk. The study will test a digital intervention called VA\|PREVENTION, a web application designed to support and promote healthy behaviour changes known has T2D risk factors, such as physical activity, diet, and sedentary behaviuor. The main questions this study will explore are:• Is the VA\|PREVENTION web app, which includes a virtual human coach, effective in preventing type 2 diabetes?• Can the VA\|PREVENTION web app be successfully implemented in real-world settings?• Is the VA\|PREVENTION web app cost-effective?• Is it safe for participants to use?To answer these questions, the study team will compare the VA\|PREVENTION web app to an openly available guidebook that provides standard information about preventing type 2 diabetes.Participants will complete the following activities: * Participants will be randomly assigned to one of two groups: one group will use the VA\|PREVENTION app, while the other group will have access to an openly accessible guidebook on T2D prevention. * Participants will be in the study for 10 months. * Participants will be assessed at the start of the study (baseline), and again at 4 months and 10 months. * Assessments will include body measurements (such as weight, height, and waist circumference), physical activity levels, and responses to questionnaires.
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
180
Start Date
2025-06-03
Completion Date
2026-11-25
Last Updated
2026-02-19
Healthy Volunteers
No
Conditions
Interventions
VA|PREVENTION web application (digital intervention)
VA\|PREVENTION web app, a digital intervention incorporating behaviour change techniques delivered by a Virtual Human Coach (VHC), educational content and progress tracking via a dashboard.
Type 2 Diabetes Guidebook
T2D prevention guidebook, an educational material that include standard guidelines on healthy eating and the importance of regular physical activity and reduction of sedentary behaviour.
Locations (16)
USF Cova da Piedade
Almada, Almada, Portugal
USF Rosinha
Seixal, Amora, Portugal
USF Charneca do Sol
Almada, Charneca Da Caparica, Portugal
USF Inovar
Almada, Corroios, Portugal
USF Saúde Laranjeiro
Almada, Fernão Ferro, Portugal
USF Vista Tejo
Almada, Monte Da Caparica, Portugal
Farmácia Alvide
Alcabideche, Portugal
Farmácia da Ramalha
Almada, Portugal
Farmácia Largo do Coreto
Almada, Portugal
Farmácia Nuno Álvares
Almada, Portugal
USF São João do Pragal
Almada, Portugal
Farmácia Romeiro
Amadora, Portugal
Farmácia Santa Marta
Barreiro, Portugal
Farmácia Vale Fetal
Caparica, Portugal
USF Costa do Mar
Costa da Caparica, Portugal
Farmácia Quinta da Luz
Lisbon, Portugal