Inclusion Criteria:

- Patients must have localized or locally advanced prostate cancer

- Patients must receive robot assisted laparoscopic radical prostatectomy

- Patients must be able to provide written informed consent

Exclusion Criteria:

- Patients must not have a history of treatment with alpha blockers within 4 weeks

- Patients must not have previously undergone transurethral resection, laser therapy,
or other surgery of the prostate

- Patients must not have previously been diagnosed with neurogenic bladder

- Patients must not have hypersensitivity to trial drug or other alpha-blockers

- Patients must not have the participation of other clinical trial within the past 3
months