Author

L. Buffart

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Open access Oct 2026

More pronounced diurnal cortisol rhythms are longitudinally associated with less fatigue in colorectal cancer survivors: A 12-month prospective cohort study.

BACKGROUND Fatigue is amongst the most debilitating cancer-related symptoms, affecting up to one-third of colorectal cancer (CRC) survivors. Accumulating evidence implicates dysregulation of HPA axis as a potential mechanism contributing to chronic fatigue syndrome. We examined longitudinal associations between paramet...

Koen G. Frenken, F. Scheer, J. Qian et al. · Psychoneuroendocrinology · 0 citations

Open access Sep 2026

Demographic, Lifestyle, and Clinical Factors Associated with Accelerometer-Based Physical Activity in Patients with Head and Neck Cancer: A Prospective Cohort Study.

PURPOSE This study aimed to objectively assess changes in total physical activity (PA) and moderate-to-vigorous physical activity (MVPA) from head and neck cancer (HNC) diagnosis up to two years post-treatment, and to identify demographic, lifestyle, and clinical factors associated with total PA and MVPA levels and the...

Tycho Zuijlen, B. Berendsen, F. Jansen et al. · Medicine & Science in Sports... · 0 citations

Open access Jul 2026

Sedentary behavior and physical activity are longitudinally associated with diurnal cortisol rhythms in individuals up to 1 year after colorectal cancer treatment: A prospective cohort study

Higher physical activity levels, a larger RA of physical activity, and less sedentary time were associated with more robust diurnal cortisol rhythms, suggesting these behaviors may be targets for interventions aimed at improving cortisol rhythmicity after CRC.

Koen G. Frenken, F. Scheer, J. Qian et al. · Research Square · 0 citations