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What Does Truvada's Effectiveness Mean For HIV In Indiana?

By Alexander McCall

Posted September 9, 2015

HIV-infected H9 T-cell

A recent study showing 100 percent effectiveness for a drug aimed at stopping HIV transmission might have big implications for sexual health, but it's unclear what it could mean for preventing transmission through intravenous drug use.

As the Washington Post reports, the study followed hundreds of men.

The study conducted at Kaiser Permanente in San Francisco involved more than 600 high-risk individuals, most of whom were men who have sex with men. These individuals were healthy at the time of enrollment and were put on a daily regimen of a blue pill called Truvada as a pre-exposure prophylaxis (PrEP).

The Centers for Disease Control and Prevention says that PrEP has been shown to reduce the risk of HIV infection by up to 92 percent when taken consistently but is much less effective when taken inconsistently.

"I've been in the fight against HIV for 30 years, and that is the best news I could possibly think of," says Beth Meyerson, co-director of the Rural Center for AIDS/STD Prevention at Indiana University.

But Meyerson says she's uncertain what the study's results might mean for injection drug users, who were at the center of an HIV outbreak in Indiana earlier this year.

"The pre-exposure prophylaxis, if you will, is a clean syringe," Meyerson says. "That is the best tool we know in the prevention of HIV and hepatitis in injection drug users."

She says epidemiologists would need to weigh in on whether it would be a good idea for intravenous drug users to take Truvada, since it must be taken daily to ensure its effectiveness.

Meyerson also says it could be a while before there's willingness from insurance companies to pay for the drug and for doctors to prescribe it.

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