A Vaginal Ring Can Help Protect Women Against HIV, New Studies Say

A Vaginal Ring Can Help Protect Women Against HIV, New Studies Say
A woman holding the dapivirine vaginal ring tested in the NIH-funded ASPIRE study.
International Partnership for Microbicides

02/24/2016 AT 09:20 AM EST

A vaginal ring has been found to modestly reduce the risk of HIV in women, according to research announced at a HIV/AIDS conference in Boston on Monday.

In two phase III trials conducted in Sub-Saharan Africa, the monthly ring – which slowly releases an HIV-fighting drug, Dapivirine – reduced infection rates overall by about 30 percent.

The Ring Study safely reduced the infection rates by 31 percent of 1,959 enrolled woman ages 18-45, compared to the placebo. While the ASPIRE trial, which was published in the New England Journal of Medicine, lowered the rate of infection by 27 percent among women in the same age range.

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According to the World Health Organization, approximately 36.9 million people were living with HIV at the end of 2014. Of that number, 25.8 million people are from Sub-Saharan Africa.



The Dapivirine ring is the first long-acting HIV prevention method designed for women.

"Women need a discreet, long-acting form of HIV prevention that they control and want to use," Anthony S. Fauci, M.D., director of the National Institute of Allergy and Infectious Diseases, said in a press release.

Both studies saw significant differences in effectiveness according to age with the ASPIRE study resulted in a 61 percent reduction in women older than 25 likely because of their consistency to use the product compared to younger women. And Fauci confirms, "Further research is needed to understand the age-related disparities in the observed level of protection."
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