This study will investigate the efficacy of ASP3652 in the treatment of patients with Chronic abacterial Prostatitis / Chronic Pelvic Pain Syndrome (CP/CPPS). In comparison with placebo, ASP3652 will be given in different dosages orally for 12 weeks. The aims are to investigate efficacy of ASP3652 in CP/CPPS, to assess the optimal dose of ASP3652, to investigate safety and tolerability and to investigate pharmacokinetics and pharmacodynamics of ASP3652 in patients with CP/CPPS in and out-patients setting.
In this study several doses of ASP3652, given orally for 12 weeks, will be compared with placebo in the treatment of patients with Chronic abacterial Prostatitis / Chronic Pelvic Pain Syndrome.