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BACKGROUND: Children undergoing treatment for acute lymphocytic leukemia (ALL) report co-occurring symptoms of fatigue, sleep disturbances, and depression as a symptom cluster. Physical activity (PA) may influence symptom severity and quality of life (QOL). OBJECTIVES: This study examined changes in symptoms and QOL during ALL maintenance in children categorized by symptom cluster and explored the influence of PA and symptoms on QOL. METHODS: Self-report of fatigue, sleep disturbance, and depression; QOL; and PA were measured at the beginning and end of maintenance in 42 children aged 3 to 18 years with ALL. Children were categorized into symptom cluster groups based on measurements at the beginning of maintenance. RESULTS: Two latent classes of symptom clusters (low and high) were identified with significant differences between groups in symptoms at both the beginning and end maintenance (P < .01). Each group's symptom levels did not change during maintenance. Quality-of-life was different between groups at both time points (P < .01) and did not improve. Children with low symptoms and high PA at the beginning of maintenance had better QOL as treatment ended compared with the physically active high-symptom group and the inactive high-symptom group (P < .01). CONCLUSIONS: Children with higher symptoms did not experience an improvement with time. Symptom and PA levels may influence QOL at the end of treatment. IMPLICATIONS FOR PRACTICE: Maintenance therapy is a long time (1.5 years) in a child's life. Symptom assessment is needed early in maintenance; interventions are needed for children with high levels.
Hooke et al. (Wed,) studied this question.