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Effectiveness of the Brazilian Diabetes Prevention Program
Sponsor: Beneficência Portuguesa de São Paulo
Summary
The aim of this multicenter, randomized controlled trial is to assess the effectiveness of the Brazilian Diabetes Prevention Program (delivered face-to-face or via e-health) in preventing type 2 diabetes (T2D) in at least 1,305 adults at high risk of T2D over a 3-year follow-up period. Our outcomes include the incidence of T2D, body weight (kg), BMI, glycemic biomarkers, use of antidiabetic drugs, the proportion of individuals achieving controlled glycemia or HbA1c levels without medication, diet quality, moderate-to-vigorous physical activity (min/week), prevalence of physical inactivity, sleep quality, perceived stress, alcohol consumption, smoking, and quality of life. In addition, social, cultural, educational, and geographical factors at the community level will be analyzed throughout the follow-up to determine their association with the incidence of T2D.
Official title: Effectiveness of the Diabetes Prevention Program on the Incidence of Type 2 Diabetes Mellitus Among Brazilian Individuals: Randomized Clinical Trial (PROVEN-DIA Study)
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
1305
Start Date
2024-12-01
Completion Date
2029-12-31
Last Updated
2026-06-25
Healthy Volunteers
No
Conditions
Interventions
PROVEN-DIA Hybrid Lifestyle Intervention
A structured lifestyle intervention delivered through a hybrid model combining face-to-face and remote interactions over 36 months. The program includes 17 individual counseling sessions, 15 structured support contacts, and 6 group education sessions designed to improve diet quality, physical activity, sleep quality, stress management, alcohol consumption, smoking behavior, and self-care practices through behavior change strategies tailored to participants' readiness to change
Usual Care Lifestyle Guidance
Lifestyle guidance based on the Dietary Guidelines for the Brazilian Population and the Physical Activity Guidelines for the Brazilian Population, including recommendations regarding healthy eating, physical activity, sleep, stress management, alcohol consumption, and smoking behavior. Guidance is delivered during scheduled follow-up visits without structured behavioral counseling, goal-setting procedures, self-monitoring support, ongoing support contacts, or group education sessions.
TelePROVEN-DIA Lifestyle Intervention
A structured lifestyle intervention delivered entirely through telehealth over 36 months. The program includes 17 individual counseling sessions, 15 structured support contacts, and 6 group education sessions designed to improve diet quality, physical activity, sleep quality, stress management, alcohol consumption, smoking behavior, and self-care practices through behavior change strategies tailored to participants' readiness to change.
Locations (2)
Hospital de Clínicas de Goiás - UFG
Goiânia, Goiás, Brazil
Universidade Federal de Viçosa
Viçosa, Minas Gerais, Brazil