Testosterone for Penile Rehabilitation After Radical Prostatectomy

Inclusion Criteria:

Males, 18 years of age or older, with low testosterone levels.
Must have undergone a bilateral nerve sparing radical prostatectomy.
Nadir PSA (Prostate-Specific Antigen) values should be less than 0.01 ng/ml on two consecutive occasions separated by 4 weeks at the start of treatment.
Must give informed consent.
Must be willing to complete follow-up visits.

Exclusion Criteria:

Testosterone level greater than 300 ng/ dl
Hemoglobin level greater than 18 ng/dl.
Positive surgical margins or evidence of residual prostate cancer after surgery.
Clinically suspected advanced disease or actual evidence of metastatic prostate cancer.
Primary Gleason Grade greater than 3 or secondary Gleason Grade greater than 4 in the final pathologic specimen will be excluded.
Taking nitrates or with contraindications to the use of Viagra or androgen therapy will be excluded.
Known hypersensitivity to any component of the tablet will be excluded.