Surgical removal of the prostate (radical prostatectomy) is the most common therapy in prostate cancer patients. However, urinary incontinence often occurs as a side effect. Although this can recede after a few weeks or months, 12 months after prostatectomy 17 - 34 % of the patients are still incontinent. An effective measure to reduce incontinence is pelvic floor muscle or sphincter training. Various methods exist for this, from pelvic floor gymnastics to training with biofeedback devices and electrical stimulation methods. Kieser Training, a Germany-wide provider of health-oriented resistance training, has a training device for pelvic floor muscle training. It is a biofeedback device that can be used in public training rooms and does not have to be inserted or glued intimately as with comparable methods. The standardized training program and concept, which allows non-invasive training in public space, has not been evaluated yet. The aim of the RECON study is to investigate whether Kieser resistance training with integrated Kieser pelvic floor muscle training is as effective as (non-inferior to) Kieser resistance training plus conventional pelvic floor muscle exercise to reduce urinary incontinence in prostate cancer patients after radical prostatectomy. The primary endpoint is the proportion of patients with urinary incontinence at the end of a 12-week training phase (using the 24h pad test). The secondary endpoints are changes in urinary leakage, other incontinence symptoms, incontinence-related quality of life, body composition and changes in strength and overall quality of life. The design is a two-arm randomized controlled trial with 180 prostate cancer patients. After the initial examination patients will be randomized to one of two groups. Patients in both groups will train for about 60 minutes twice a week for twelve weeks and additionally perform daily tension exercises at home. Patients in group A will perform the resistance training unit with the pelvic floor biofeedback device A5 from the Kieser Training AG and patients of group B will perform the resistance training unit without the pelvic floor biofeedback device A5 and undergo conventional pelvic floor muscle training with a physiotherapist once a week before the resistance training unit starts. The Recon study will be conducted at the Kieser Training Studio in Offenbach, as a cooperation project of the National Center for Tumor Diseases (NCT), Heidelberg University Hospital and the Kieser Training AG with the Kieser Training franchisee (studio owner) as PhD student at the NCT. The Kieser Training AG is not a sponsor and the study is neither financed nor sponsored.
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Change from baseline to week 12 of the proportion of continent patients
Timeframe: baseline up to 12 weeks (& 3 month follow-up)