Study to Determine Safety and Effectiveness of Tadalafil on Prostate Related Sex Organ/Urinary Tract Problems
Study to Determine Safety and Effectiveness of Tadalafil on Prostate Related Sex Organ/Urinary Tract Problems
Study to look at safety and effectiveness of different doses of tadalafil on prostate related
 genital/urinary tract problems.
Inclusion Criteria:

 -  6 month history of lower urinary tract symptoms either obstructive and/or irritative
 secondary to prostate related problems as diagnosed by a urologist.

 -  Stopped using treatments at least four weeks prior to study and agree to not use any
 other treatments during the study.

 -  Meet required prostate symptom score and urine flow rate.

 Exclusion Criteria:

 -  Serum prostate specific antigen (PSA) greater than 10 (between 4 and 10, inclusive,
 without a negative biopsy w/in the last 6 months.

 -  Prostate removal and various other pelvic surgeries.

 -  Neurological disease or condition known to affect the bladder.

 -  Clinical evidence of prostate cancer, urinary tract inflammation or infection,
 including prostatitis.

 -  Have taken medications such as nitrates, finasteride, or dutasteride within the year.