Observational StudyOptilume PoST AppRoval Clinical Evaluation of Andrology ParaMeters

Inclusion Criteria:

1. Male subjects between 22 and 65 years of age
2. Subject diagnosed with a stricture in the anterior urethra that is able to be treated with the Optilume Urethral DCB in accordance with the approved Instructions for Use
3. Subject is willing to provide written informed consent and comply with study required follow-up assessments
4. Subject able to provide viable semen samples and baseline semen quality characteristics are above reference values based on below criteria (average of 2 samples):

1. total sperm ≥39 million
2. sperm concentration ≥15 million/mL
3. total motility ≥40%
4. progressive motility ≥32%
5. morphology ≥4%

Exclusion Criteria:

1. Subjects with a known hypersensitivity to paclitaxel or structurally related compounds
2. Subjects with a history of vasectomy or other condition that may inhibit semen/sperm production or ejaculatory function
3. Subjects currently taking 5-alpha reductase inhibitors, alpha-blockers, selective serotonin reuptake inhibitors, or hormone replacement therapy without appropriate washout
4. Subject is unwilling to abstain or utilize a condom for 30 days after the procedure
5. Subject is unwilling to utilize highly effective contraception for 6 months after the procedure if partner is of childbearing potential
6. History of cancer in any body system that is not considered in complete remission