- Diagnosis of chronic prostatitis
- Male adults at least 18 years of age
- Moderate to severe chronic prostatitis, with an average pain score above a pre-defined
- To use contraception.
- History of symptoms for less than 3 of the last 6 months
- History of recurrent urinary tract infections, or genito-urinary cancer
- Use of finasteride or dutasteride within 6 months.
- History of hepatitis B, C or human immunodeficiency virus (HIV)