A Multicenter Study for Evaluating a Digital Support System in Childhood Obesity Treatment

This study is testing whether a digital support system (a mobile app used by both families and healthcare providers) can improve the results of childhood obesity treatment. The app allows tracking of lifestyle factors and communication between families and care teams. The study compares families using the app to those receiving standard care. You may be eligible if: - Your child is between 4 and 17 years old - Your child has obesity (iso-BMI 30–40 kg/m²) based on international criteria - Your family can communicate in the language of the country of residence - Parents have a smartphone and email address You may NOT be eligible if: - Your child has morbid obesity (iso-BMI >40) - Your child has an endocrine disorder (other than well-controlled hypothyroidism) - Your child has been treated for depression or other psychiatric disorders in the last 6 months - Your child has hypothalamic or genetic obesity syndrome (e.g., Down syndrome) - Your child has an eating disorder requiring therapy in the past 6 months - Your child is on medications that affect weight Talk to your doctor to see if this trial is right for you.