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Rapid treatment helps ‘cure’ HIV patients
March 16, 2013 , 9 : 12 am GST
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Treating people with HIV rapidly after they have become infected with the virus that causes AIDS may be enough to achieve a "functional cure" in a small proportion of patients diagnosed early, according to new research. Scientists in France who followed 14 patients who were treated very swiftly with HIV drugs but then stopped treatment found that even when they had been off therapy for more than seven years, they still showed no signs of the virus rebounding.
The research, published in the journal PLoS Pathogens, follows news earlier this month about a baby girl in Mississippi in the United States being effectively cured of the human immunodeficiency virus (HIV) after receiving very early treatment. Christine Rouzioux, a professor at Necker Hospital and University Paris Descartes and a member of the initial team who identified HIV 30 years ago, said the new results showed the number of infected cells circulating in the blood of these patients, known as "post-treatment controllers", kept falling even without treatment for many years.
"Early treatment in these patients may have limited the establishment of viral reservoirs, the extent of viral mutations, and preserved immune responses. A combination of those may contribute to control infection in post-treatment controllers," she said.
"The shrinking of viral reservoirs ... closely matches the definition of 'functional' cure," she said.
A functional cure describes when the virus is reduced to such low levels that it is kept at bay even without continuing treatment. The virus, however, is still detectable in the body. Most of the some 34 million people with HIV across the world will have to take anti-AIDS drugs known as anti-retroviral therapy for the whole of their lives. These drugs generally keep the disease in check but also have side effects and a high cost impact on health systems.
Ray of hope
French study found virus was controlled
in 14 patients
Underlines importance of early diagnosis, rapid treatment
Most HIV patients can't control virus, but some can
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