It looks like just a simple ring of soft, white silicone, but it’s taken ten years of research to create, and the ring could turn out to be an important weapon in the battle against AIDS.
Two large clinical trials have recently shown that a special medical ring of silicone placed in the vagina reduced test participants’ risk of contracting HIV with up to 61 percent. The ring is infused with the medical substance Dapirivine, which acts by blocking the virus from making copies of itself inside human cells.
The substance is slowly released from the silicone ring, and is only absorbed in other parts of the body to a very small degree. The trials, which encompassed a total of 4,588 women in four African countries, also showed that the ring is safe for longer term use.Read article ->