"I quit taking my HIV medication the day that I got the transplant and haven’t had to take any since," said Brown, who is known as 'The Berlin Patient' in medical circles.
Brown received the stem cells from a person who is apparently immune to HIV, a character that only about 1 percent of Caucasians have. Dr. Jay Levi, a leading researcher in the field of HIV-AIDS at University ofCalifornia-San Franciso (UCSF), has called this a "functional cure."
"If you're able to take the white cells from someone and manipulate them so they're no longer infected, or infectable, no longer infectable by HIV, and those white cells become the whole immune system of that individual, you've got essentially a functional cure," said Levy.
Although the researchers this a "productive area to study," they warned people not to get too excited just yet, because it is not something that can be generalized.
"You don't want to go out and get a bone marrow transplant because transplants themselves carry a real risk of mortality," said Dr. Paul Volberding, another researcher at UCSF.
Volberding added, "one element of his treatment, and we don’t know which, apparently allowed the virus to be purged from his body."
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