Health 22/08/2025 17:29

Breakthrough Male Contraceptive Injection Offers Alternative to Condoms and Vasectomy


This innovation represents a major breakthrough in the contraceptive field, offering men a safe and reversible way to share the responsibility of birth control.

A revolutionary male contraceptive method, designed to provide a long-term alternative to condoms and vasectomy, has shown promising outcomes in early clinical trials.

Contraline, an American biotechnology company, has developed a device called Adam, which offers effective contraception for up to two years with just one injection. According to The Guardian on April 24, the product has successfully completed Phase I clinical trials.

Unlike traditional methods, Adam works by injecting a water-based hydrogel into the vas deferens—the tube responsible for carrying sperm from the testes. The hydrogel serves as a physical barrier, preventing sperm from being released during ejaculation.

"The hydrogel has a soft, jelly-like consistency, composed primarily of water," researchers explained. Once the sperm is blocked, it is naturally reabsorbed by the body, allowing men to ejaculate semen that no longer contains sperm.

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