Improving a reversible male birth-control pill that targets a sperm enzyme

Optimization of in vivo validated ADCY10 inhibitors

NIH-funded research Weill Medical Coll of Cornell Univ · NIH-11101387

Developing a fast-acting, reversible male pill that temporarily blocks a sperm enzyme so men can prevent pregnancy on demand.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionWeill Medical Coll of Cornell Univ NIH-funded
Lab location1 site (New York, United States)
Project IDNIH-11101387 on NIH RePORTER

What this research studies

This project focuses on improving drugs that block soluble adenylyl cyclase (sAC), an enzyme sperm need to move and fertilize an egg. Researchers are optimizing chemical compounds already shown to make male mice temporarily infertile to make them more potent, safe, and easier to take by mouth. The work includes lab tests and animal studies to improve how long the drug lasts in the body and reduce side effects. The goal is to produce one or more oral compounds suitable for later human testing as an on-demand male contraceptive.

Who could benefit from this research

Good fit: Healthy adult men who want a reversible, on-demand contraceptive option would be the ideal candidates for future testing.

Not a fit: People seeking permanent sterilization, those needing protection against sexually transmitted infections, and people assigned female at birth would not benefit from this approach.

Why it matters

Potential benefit: Could give men a safe, non-hormonal pill they take before sex to temporarily prevent pregnancy.

How similar studies have performed: Related compounds have produced temporary infertility in mice, showing preclinical proof-of-concept, but human effectiveness has not yet been demonstrated.

Where this research is happening

New York, 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.
Last reviewed 2026-06-13 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.