- Conditions
- Varicocele, Male Infertility, Hypospermatogenesis, Non-Obstructive Azoospermia
- Interventions
- Varicocele repair
- Procedure
- Lead sponsor
- National Institute of Environmental Health Sciences (NIEHS)
- NIH
- Eligibility
- 21 Years to 55 Years · Male only
- Enrollment
- 400 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2000 – 2005
- U.S. locations
- 2
- States / cities
- Camden, New Jersey • Manhasset, New York
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