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Effects of NLS-133, a Potential Non-Hormonal "On-Demand" Male Contraceptive, on Semen Volume and Sperm Count in Normal Men: A Double-Blind, Placebo-Controlled Trial
Conditions
Interventions
NLS-133
Placebo
+1 more
Locations
1
United States
Population Center for Research in Human Reproduction and Departments of Medicine, University of Washington
Seattle, Washington, United States
Start Date
December 2, 2025
Primary Completion Date
March 1, 2026
Completion Date
May 1, 2026
Last Updated
February 6, 2026
NCT06672016
NCT02754687
NCT02927210
NCT03455075
NCT07222228
NCT06094283
Lead Sponsor
Next Life Sciences
Data Source & Attribution
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