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Their vaccine produced excellent results in preclinical tests, and BenMohamed and Nesburn have found it to also work against genital herpes, which puts people at a significantly higher risk of contracting HIV.
"Our goal is to attack the virus at the root of the disease," says BenMohamed, a member of UC Irvine's Institute for Immunology. "While tests are proving the vaccine effective for eye herpes diseases, it also might help curb genital herpes diseases and, potentially, the AIDS epidemic."
A paper by BenMohamed and Nesburn on preclinical studies of their vaccine against genital herpes appeared in Mucosal Immunology.
The vaccine is distinctive because it's administered as eye drops rather than injected. This is advantageous in two ways, BenMohamed says: Mucosal vaccines are easier and less expensive to produce, and they can be conveniently applied by patients themselves without using syringes.
The National Institutes of Health and Discovery Eye Foundation have supported BenMohamed and Nesburn's eight-year research effort. Nesburn, in fact, is the Los Angeles-based foundation's medical director. The two men recently formed a company, Micro Antigen Technologies, to create a version of the vaccine for early-stage clinical trials on human patients.
"Developing a vaccine consumes time and resources, but we've been fortunate to have the support to make it this far," BenMohamed says. "We plan to have FDA-approved first-stage human trials in the next two to three years, and if those go well, we are on our way to an easy-to-use treatment for the many millions of people who already have the herpes virus."
— Tom Vasich, University Communications