This interventional clinical trial tests whether a doctor-delivered lifestyle counseling program, supported by two personalized digital tools, is feasible and helpful for improving healthy eating and physical activity in older adults (65 years or older) who previously received a liver or kidney transplant. All participants first receive medical counseling on healthy diet and physical activity. After 12 weeks, they begin using two smartphone apps ("Gamebus" and "Nutrida") designed to support behavior change at home. Each participant acts as their own comparison, and results after starting the apps are compared with their own results before using them. The main goal is to find out whether participants can safely use the apps and follow the program (for example: staying in the study, using the apps daily, completing weekly tasks). The study also looks at whether the combined approach-counseling plus digital support-can help improve eating habits, physical activity, body measurements, and routine lab values related to metabolic health. Participants attend three study visits over 24 weeks. At each visit, they complete questionnaires, undergo body measurements and body composition tests, review their recent diet, and receive lifestyle guidance. At the end, the study will help determine whether this digital-supported lifestyle program is practical and acceptable for older transplant recipients.
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Adherence to a Personalized Digital-Mediated Lifestyle Intervention in Transplant Recipients Aged ≥65 Years
Timeframe: Between weeks 12 and 24 from the enrollment