Male contraceptive gel proves effective in ‘exciting' early trial
An experimental male contraceptive has shown promising results in an early trial, remaining effective for two years, it has been reported.
The treatment, known as Adam, is a water-soluble 'hydrogel' that is injected into the vas deferens, or sperm ducts, preventing sperm from mixing with semen.
Semen is made up of sperm, seminal vesicle fluid and prostate fluid. Without sperm, it cannot lead to pregnancy.
According to Contraline, the American company that has developed it, this forms a 'stable … material within 30 seconds that withstands ejaculatory pressures'.
Twenty-five men are understood to have been enrolled in a phase one trial, the main purpose of which is to look for adverse reactions. Two of those participants have now reached the two-year mark with no sperm
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