Effects of exercise therapy on chemotherapy delivery and response in primary breast cancer: A secondary analysis of a randomized trial.
BACKGROUND: Whether structured exercise therapy improves chemotherapy delivery, tolerability, and tumor response is unclear. METHODS: This was a secondary analysis of a phase 2 trial investigating exercise therapy (n = 72) versus usual care (n = 72) in patients with primary breast cancer. Exercise therapy comprised individualized treadmill walking three times weekly for 20-50 minutes per session at 55%-100% of pretreatment exercise capacity. Chemotherapy …
