‘London Man’ becomes second person to be cured of HIV

A stem cell research facility is seen in this undated

A stem cell research facility is seen in this undated

The Berlin patient was identified many years later as Timothy Ray Brown, a 52-year-old man now a California resident. In both cases, the men had cancer, and were treated with bone marrow from a donor with the CCR5 mutation; CCR5 is a protein that HIV uses to enter certain immune cells.

CCR5 is the most commonly used receptor by HIV-1 but people who have two mutated copies of the CCR5 allele are resistant to the virus strain that uses this receptor.

"We haven't cured HIV, but [this] gives us hope that it's going to be feasible one day to eliminate the virus", she said. Then in 2017, Gupta took the London patient off of the anti-HIV drugs to see if the transplant had worked as it had in Brown's case: to push the HIV into remission.

The Berlin patient was actually an American (real name: Timothy Ray Brown) diagnosed with HIV while living in Germany.

The new case report will be presented at a medical conference in Seattle on Tuesday.

"Although it is not a viable large-scale strategy for a cure, it does represent a critical moment in the search for an HIV cure", IAS president Anton Pozniak.

Adalja noted that although the Berlin patient and the London patient received similar treatments, the Berlin patient's treatment was more intense - he received two bone-marrow transplants in addition to whole-body irradiation (radiation exposure to the whole body). Treatment for HIV involves medications that suppress the virus, known as antiretroviral therapy, which people with HIV need to take for their entire lives. The title is similar to the first known case of a cured HIV-positive patient.

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The male patient has achieved "sustained remission" from HIV after being treated at Hammersmith Hospital in west London, Imperial College Healthcare NHS Trust said.

Although Brown almost died after he was given strong immunosuppressive drugs and was put into a coma, the "London patient" did not come that close; he suffered from Hodgkin's lymphoma and received a similar bone-marrow transplant to Brown's, but the immunosuppressive drugs he received were gentler. A second, less common form of HIV, could still cause infection despite a transplant like this. NAM aidsmap provides HIV news and treatment information to support people living with HIV, throughout the United Kingdom and internationally. About 37 million people worldwide now have HIV, and the AIDS virus has killed about 35 million since taking off in the 1980s.

The London Patient mirrors the Berlin Patient Brown but there are differences.

After examining over and over the "London patient's" blood to look for H.I.V., the scientists could not find any circulating virus. He waited about nine years after being diagnosed with HIV to start anti-HIV drug therapy.

Scientists have tried, and repeatedly failed, to duplicate the success they had in curing Brown.

"This research further confirms the promising HIV curative effects of bone marrow transplantation from the relatively few persons who have the HIV-resistant cells known as CCR5/delta32 hematopoietic stem cells".

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