SCIENCE
10/13/2015 04:55 pm ET Updated Jan 04, 2017

This Doctor Invented The HIV Blood Test. Now He Has A Vaccine That May Beat The Virus

The new vaccine has been 15 years in the making.

In 1984, Dr. Robert Gallo co-discovered HIV as the cause of AIDS, then went on to pioneer the blood test that detects the virus.

Now, 31 years later, his team at the University of Maryland School of Medicine's Institute of Human Virology is beginning human trials this month on a potentially revolutionary HIV vaccine.

While many other vaccines target specific strains of HIV, the treatment that the institute has developed takes a different approach. It attempts to block the virus before it can invade the body's T-cells (a central component of the body's immune system) and mutate, at which point it becomes invisible to the body's immune system and much harder to treat. Should it prove successful, this vaccine would offer protection against a large class of viruses collectively known as "HIV-1."

Dr. Robert Gallo may have found a vaccine that can beat HIV.
JIM WATSON via Getty Images
Dr. Robert Gallo may have found a vaccine that can beat HIV.

"Our HIV/AIDS vaccine candidate is designed to bind to the virus at the moment of infection, when many of the different strains of HIV found around the world can be neutralized,” Gallo said in a statement. “We believe this mechanism is a major prerequisite for an effective HIV preventive vaccine.”

Gallo told Science magazine the vaccine has been in development for 15 years. This first phase of the trial process will last about a year, draw from a field of 60 candidates and assess the drug's basic safety in humans. 

The HIV-1 virus (visible as multiple green bumps) burgeons from a cell surface.
BSIP via Getty Images
The HIV-1 virus (visible as multiple green bumps) burgeons from a cell surface.

If this treatment clears the first trial phase, it will move on to Phase 2, at which point researchers will assess its effectiveness against HIV. From there, it would enter a much larger (and years-long) Phase 3 trial, after which the FDA would evaluate it for broader use and sale. Which is to say -- as promising as the new drug may be (and we don't know if it is yet) -- it could be years before the vaccine is approved for the broader public to use.

Still, it's a big first step.

"The field is in an exciting place because it is trying a lot of different approaches," Mitchell Warren, executive director of AVAC, a global HIV prevention group, told the Baltimore Sun. "Sadly, in 30 years we still don't know what it will take to treat it. But we certainly have better ideas of what the answers to those questions might be."

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