New male birth control pill could work in hours
NCT ID NCT07393334
First seen Feb 06, 2026 · Last updated May 15, 2026 · Updated 16 times
Summary
This study tests an experimental male contraceptive called NLS-133, taken only when needed before sex. Ten healthy men will receive the drug, an active control, or a placebo at different times to see how it affects semen volume and sperm count. The goal is to find a safe, effective, non-hormonal option for male birth control.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Population Center for Research in Human Reproduction and Departments of Medicine, University of Washington
RECRUITINGSeattle, Washington, 98195, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
Conditions
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