Pilot study reveals correlations between physical activity and quality of life in chronic lymphocytic leukemia patients, suggesting tailored interventions.
The ADRENALINE pilot study explores the role of physical activity in health outcomes among patients with Chronic Lymphocytic Leukemia (CLL), focusing on disease markers, functional capacity, immune parameters, and quality of life. This baseline analysis includes treatment-naïve participants enrolled between September 2023 and August 2024, prior to randomization. Eleven patients (aged 47–78 years) underwent assessments of body composition, cardiovascular fitness, muscular strength, and immune profiling. Quality of life was evaluated using validated questionnaires (FACIT-F, EORTC QLQ-30/CLL17), and daily activity was objectively measured via accelerometry. Correlation analyses examined associations between physical activity, muscle strength, lean mass, and physical aptitude. Despite high self-reported physical function, participants demonstrated suboptimal body composition and cardiovascular fitness. Accelerometry revealed marked sedentary behavior, particularly among females, and overall activity levels were below current recommendations. Moderate-to-vigorous physical activity correlated positively with muscular strength and lean mass. Immune profiling identified a variability in key markers, warranting further investigation of their relationship with physical activity. These findings highlight the need for tailored interventions to increase activity and reduce sedentary time in CLL patients and support incorporating functional and immune monitoring into survivorship care.
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Cunha et al. (2025) studied this question.
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