Symptom Management App for Children at the Early Stage of Cancer Survivorship and Their Caregivers

"Other: Symptom management mobile health application with personalised support Child-caregiver dyads in the intervention group will use the mHealth app for 12 weeks with personalised nurse support via interactive communication technologies. The design of the app will be guided by the theory of unpleasant symptoms.~The app will comprise several interactive elements to provide children and their caregivers with real-time symptom management support. Comprehensive educational materials regarding cancer and its treatment side effects, including possible symptoms, functional limitations, and psychological responses, will be provided in the app for the children and their caregivers to gain a thorough understanding of the potential symptom burden that they may experience."