“…Current evidence suggests that well‐planned, effective transitional care can prevent deterioration in AYAs’ health and disengagement with health care; stable or improved disease control; improved knowledge, self‐management skills and patient satisfaction; improved relationships with healthcare professionals (HCPs) and parent satisfaction (Gabriel, McManus, Rogers, & White, ; Ladouceur et al, ; Mackie et al, ; Pyatak et al, ; van Staa, Sattoe, & Strating, ). In contrast, inadequate transition is associated with poor clinic attendance, loss to follow‐up; increased nonadherence to treatment, increased morbidities, lower physical well‐being, increased emergency/hospital admissions and adverse health outcomes (Garvey et al, ; Heery, Sheehan, While, & Coyne, ; Sheehan, While, & Coyne, ).…”