Developing a new non-hormonal contraceptive for men

Reversible male contraception by inhibition of serine/threonine kinase 33

['FUNDING_R01'] · BAYLOR COLLEGE OF MEDICINE · NIH-11146641

This study is working on a new kind of birth control for men that safely stops sperm production without using hormones, and it's looking for the best compounds to make this possible.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorBAYLOR COLLEGE OF MEDICINE (nih funded)
Locations1 site (HOUSTON, UNITED STATES)
Trial IDNIH-11146641 on ClinicalTrials.gov

What this research studies

This research aims to create a new type of male contraceptive that works by inhibiting a specific enzyme called serine/threonine kinase 33 (STK33). The approach involves preclinical drug development studies to identify potent and selective inhibitors that can effectively block this enzyme without hormonal side effects. By using advanced screening techniques, the researchers are exploring a vast library of compounds to find those that can safely and effectively prevent sperm production. If successful, this could lead to a new contraceptive option for men that is reversible and does not rely on hormones.

Who could benefit from this research

Good fit: Ideal candidates for this research are adult men who are seeking reversible contraception methods.

Not a fit: Patients who are not male or those who are not interested in contraception may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could provide men with a safe and effective non-hormonal contraceptive option.

How similar studies have performed: While the concept of targeting STK33 for male contraception is relatively novel, other research has successfully developed kinase inhibitors for various therapeutic applications.

Where this research is happening

HOUSTON, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.

View on NIH RePORTER →

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.