Influence of a 12-month supervised, intensive resistance, aerobic and impact exercise intervention on muscle strength in prostate cancer patients undergoing anti-hormone therapy: Study protocol for the randomized, controlled Burgdorf study.

Reduced testosterone levels due to androgen deprivation therapy (ADT) in prostate cancer patients cause common side effects, such as reduced muscle strength and bone density, increased fat mass, sexual dysfunction and fatigue. Short-term exercise during ADT has proven to be safe and effective in exhibiting a positive impact on body composition, sexual dysfunction and fatigue. However, there are only three randomized controlled trials that investigate one-year supervised impact exercise interventions, none of which examined follow-up effects after the intervention. Therefore, this study will conduct a one-year impact exercise intervention and assess follow-up effects up to one year later. The aim of the randomized, controlled Burgdorf study is to assess the effects of a supervised 12-month intensive multimodal exercise intervention in comparison to a moderate aerobic exercise intervention, on muscle strength in prostate cancer patients receiving ADT. Additionally, quality of life, fatigue, body composition, erectile dysfunction, bone pain, physical activity level, endurance capacity, body-mass-index, waist and hip circumference and prostate-specific antigen- and testosterone levels will be assessed up to one year later. The Burgdorf study is the first study to conduct two different one-year supervised exercise interventions, and follow-up with patients for up to one year after the intervention. Results could provide important insights into the long-term effects of interventions on those parameters negatively affected by ADT, which could specify or newly establish care structures. German Clinical Trials Register, DRKS00009975. Registered 2016-02-09, https://www.drks.de/drks_web/navigate.do?navigationId=trial.HTML&TRIAL_ID=DRKS00009975.

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