ABSTRACT: Interventions: Group 1: At the begin of rehabilitation (baseline):
- self-administered questionnaires (see primary and secondary endpoints for further details)
- measurement of height, weight and waist circumference
- blood sampling: serum (25(OH)D level, creatinine, calcium, phosphate, albumin, total cholesterol, HDL cholesterol, LDL cholesterol, triglycerides, C-reactive protein, uric acid), whole blood (hemoglobin, HbA1c, white blood cell count, leukocyte subtype counts) and buffy coat from EDTA Plasma (genome)
- urine sampling (calcium and creatinine)
- stool sampling (microbiome)
- pregnancy test for premenopausal women
Long-term follow-up:
- self-administered questionnaires at study month 4, 7, 10 and after 1, 3, 5, 7, 10 years (see primary and secondary endpoints for further details)
- stool sampling in study month 4 (microbiome)
Primary outcome(s): - Cancer-related fatigue assessed by using validated questionnaires (FACIT-F and EORTC-QLQ-FA12) in month 4, 7, 10 and after 1, 3, 5, 7, 10 years
Study Design: Allocation: ; Masking: ; Control: ; Assignment: ; Study design purpose: prevention