Prospective Multicentre Randomized Double-Blind Placebo-Controlled Parallel Group Study on the Efficacy and Tolerability of StroVac� in Patients With Recurrent Symptomatic Bacterial Urinary Tract Infections

To demonstrate the clinical efficacy and tolerability of the inactivated germs of specified enterobacteria contained in StroVac� in recurrent acute uncomplicated symptomatic bacterial urinary tract infections as compared to placebo.