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Tuesday, 5 March 2019

London HIV, The Man is Being Called, Patient Has Become The World's Second AIDS Cure

LONDON (Reuters) - An HIV-positive man in Britain has become the second known adult worldwide to be cleared of the AIDS virus after he received a bone marrow transplant from an HIV resistant donor, his doctors said.  London HIV, The Man is Being Called, Patient Has Become The World's Second AIDS Cure

 London HIV, The Man is Being Called, Patient Has Become The World's Second AIDS Cure


Almost three years after receiving bone marrow stem cells from a donor with a rare genetic mutation that resists HIV infection - and more than 18 months after coming off antiretroviral drugs - highly sensitive tests still show no trace of the man’s previous HIV infection.

“There is no virus there that we can measure. We can’t detect anything,” said Ravindra Gupta, a professor and HIV biologist who co-led a team of doctors treating the man.

The case is proof of the concept that scientists will one day be able to end AIDS, the doctors said but does not mean a cure for HIV has been found.

Gupta described his patient as “functionally cured” and “in remission”, but cautioned: “It’s too early to say he’s cured.”

The man is being called “the London patient”, in part because his case is similar to the first known case of a functional cure of HIV - in an American man, Timothy Brown, who became known as the Berlin patient when he underwent similar treatment in Germany in 2007 which also cleared his HIV.

Brown, who had been living in Berlin, has since moved to the United States and, according to HIV experts, is still HIV-free.

Some 37 million people worldwide are currently infected with HIV and the AIDS pandemic has killed around 35 million people worldwide since it began in the 1980s. Scientific research into the complex virus has in recent years led to the development of drug combinations that can keep it at bay in most patients.

Gupta, now at Cambridge University, treated the London patient when he was working at University College London. The man had contracted HIV in 2003, Gupta said, and in 2012 was also diagnosed with a type of blood cancer called Hodgkin’s Lymphoma.

LAST CHANCE

In 2016, when he was very sick with cancer, doctors decided to seek a transplant match for him. “This was really his last chance of survival,” Gupta told Reuters in an interview.

The donor - who was unrelated - had a genetic mutation known as ‘CCR5 delta 32’, which confers resistance to HIV.

The transplant went relatively smoothly
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