We conclude that tamoxifen usage was associated with bone loss in patients who continued to menstruate after adjuvant chemotherapy. On the contrary, tamoxifen decreased bone loss in those women who developed chemotherapy-induced amenorrhea.

The QoL of the patients shortly after adjuvant treatments was impaired and the physical performance poor as compared to general population. In particular, depression and fatigue were related to impaired QoL. Physical performance and activity level were the only factors that correlated positively to QoL. Thus, physical exercise could be useful in rehabilitation of cancer survivors, especially for depressed and fatigued patients.

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This 12-month aerobic jumping and circuit training intervention completely prevented femoral neck bone loss in premenopausal breast cancer patients, whereas no effect on BMD was seen in postmenopausal women.

Background/Aim: This is a report of the 5-year quality of life (QoL) findings of the BREX-study (n=444). Patients and Methods: A 12-month exercise intervention was arranged shortly after adjuvant treatments. Physical activity (PA) was assessed by PA diary, physical performance by a 2-km walking test, QoL by the EORTC QLQC30 and BR-23 questionnaires, fatigue by the FACIT-Fatigue scale and depression by the Beck's 13-item depression scale (BDI). Results: Participants who improved their PA from baseline to 5-year follow-up were more likely to improve their global health score (RRR=1.02, p=0.016), physical (RRR=1.02, p=0.009), social (RRR=1.03, p=0.013), role functioning (RRR=1.03, p=0.005), and fatigue (RRR=1.02, p=0.002). An improved 2-km walking test was associated to improved global health, physical and role functioning, body image, future perspectives, and fatigue (p=0.011, p<0.001, p=0.001, p=0.021, p=0.012 and p=0.003). No significant difference between the groups was found. Conclusion: Improvement in PA or physical performance yields a positive change in QoL of breast cancer patients.