Author: Tina Hesman Saey / Source: Science News
ORLANDO, Fla. — Some people’s genes may stop an antiretroviral drug from protecting them against HIV, a genetics study suggests.
The drug, called tenofovir, is used for preventing as well as treating an HIV infection.
But success in prevention has been mixed, with studies reporting between 78 to 92 percent success rates. It wasn’t clear why the drug didn’t protect everyone.Now, studies reveal that rare genetic variants can prevent tenofovir from becoming active in the body, pharmacologist Namandjé Bumpus of Johns Hopkins University School of Medicine reported April 8 at the 2019 Experimental Biology meeting.
People who have HIV or who are at risk of contracting HIV, such as someone whose partner has the virus, take an inactive form of the drug…
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