Reduce Sedentary Time in Acute Lymphoblastic Leukemia

Tests the effect of a multi-component mobile health (mHealth) intervention on reducing sedentary behavior among adolescents and young adults (AYAs) with ALL during maintenance therapy. The intervention includes an app-based peer support group for study participants via WhatsApp, individualized coaching sessions with study staff, and prompts to move delivered via a Fitbit wearable fitness tracker.