Next Life Sciences

This study tests a new non-hormonal male contraceptive called NLS-133, taken just before sex to reduce sperm count and semen volume. Ten healthy men will receive the drug, an active control, or a placebo in random order. The goal is to see if it safely and effectively lowers sper…

This study is testing a new device called Plan A that blocks sperm from passing through the vas deferens, similar to a vasectomy, but designed to be reversed later. Forty healthy men aged 25 to 65 will receive the device and be monitored for safety and effectiveness. The goal is …