One of the men received stem-cell transplants to replace his blood-cell-producing bone marrow about three years ago, and the other five years ago. Their regimens were similar to one used on Timothy Ray Brown, the 'Berlin patient' who has been living HIV-free for six years and is the only adult to have been declared cured of HIV. Last July, doctors announced that the two men — the ‘Boston patients’ — appeared to be living without detectable levels of HIV in their blood, but they were still taking antiretroviral medications at that time.
Stem-cell transplants may purge HIV
Source: Nature News & Comment
Art and Science of Laboratory Medicine
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