Skip to content

    HIV & AIDS Health Center

    Font Size
    A
    A
    A

    Vaginal Gel Cuts Women's HIV Risk

    For First Time, Vaginal Gel Shown to Protect Against HIV From Sex
    By
    WebMD Health News
    Reviewed by Louise Chang, MD

    Feb. 10, 2009 -- For the first time, a woman-controlled product -- the PRO 2000 vaginal gel -- has been shown to protect women from getting HIV during sex.

    Protection is far from complete: The gel cuts HIV risk by 30% -- or by 36%, if women who went off the gel during a pregnancy are excluded.

    But it's the first real success after a frustrating string of failures with other products that promised to give women the means to protect themselves against getting HIV from a male sex partner.

    "The study, while not conclusive, provides a glimmer of hope to millions of women at risk for HIV, especially young women in Africa," study leader Salim S. Abdool Karim, PhD, MBChB, director of South Africa's AIDS research center, says in a news release.

    Karim and colleagues enrolled more than 3,000 sexually active women from the U.S., Malawi, South Africa, Zambia, and Zimbabwe. Some of the women used the PRO 2000 product, which blocks the cellular doorway HIV uses to enter cells.

    Other women used the BufferGel product, which was not effective. The two active gels were compared to no gel or to a placebo gel.

    Importantly, there were no significant safety issues with the gel. There were 36 HIV infections among women using PRO 2000 -- fewer than the 54 HIV infections among BufferGel users, the 51 HIV infections among placebo users, and 53 HIV infections among women using no gel.

    Women in the study were encouraged to have their partners wear condoms during sex and were provided condoms for this purpose.

    Although condom use was high, women who used the gel reported less condom use by their partners. That's troubling. It's a signal that overconfidence in protective gels might reduce use of a much more reliable means of preventing HIV transmission.

    The NIH-sponsored trial did not prove PRO 2000 effective. That will be up to a larger, U.K.-sponsored trial involving nearly 9,400 women in Africa. That study should be finished by the end of the summer.

    Karim reported the findings at this week's annual Conference on Retroviruses and Opportunistic Infections in Montreal.

    Today on WebMD

    misconception
    How much do you know?
    contemplative man
    What to do now.
     
    research
    Should you be tested?
    HIV under microscope
    What does it mean?
     
    HIV AIDS Screening
    Slideshow
    man opening condom wrapper
    Quiz
     
    HIV AIDS Treatment
    Feature
    Discrimination Stigma
    Feature
     
    Treatment Side Effects
    Feature
    grilled chicken and vegetables
    Article
     
    obese man standing on scale
    Article
    cold sore
    Article