CNN reports:
A 42-year-old HIV patient with leukemia appears to have no detectable HIV in his blood and no symptoms after a stem cell transplant from a donor carrying a gene mutation that confers natural resistance to the virus that causes AIDS, according to a report published Wednesday in the New England Journal of Medicine.
. . . “The patient is fine,” said Dr. Gero Hutter of Charite Universitatsmedizin Berlin in Germany. “Today, two years after his transplantation, he is still without any signs of HIV disease and without antiretroviral medication.” Hutter and a team of medical professionals performed the stem cell transplant on the patient, an American living in Germany, to treat the man’s leukemia, not the HIV itself.
However, the team deliberately chose a compatible donor who has a naturally occurring gene mutation that confers resistance to HIV. The mutation is known as CCR5 delta32 and is found in 1 percent to 3 percent of white populations of European descent.
The patient’s doctors conclude that it’s unlikely that the transplant truly cured the patient since HIV can infect many other types of cells and may be hiding out in the patient’s body.
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