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Timothy J. Rosio, M.D.
Offices in El Dorado 916.939.3594 & Auburn 530.888.8830

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Future Band-aid Could Give You Injection or Replace Vaccinations, Say Dr. Tim Rosio.

Dr. Tim Rosio explains that the skin is a better place to deliver many medicines, especially those that need your immune system to work. Tiny micro-needles like a sugar crystal that you can’t see or feel can be embedded into a patch or band-aid, and dissolve releasing the medicine into your body. A few medicines are already being given this way, with superior results and ease. But Dr. Rosio of El Dorado Hills/Folsom is excited that vaccines for “flu” and other infections may have a truly superior success rate when given this way. The reason is a tiny cell shaped like a tennis racquet in the skin that helps your entire body regulate immunity. Scientists at the Georgia Institute of Technology and Emory University are making progress in translating the vaccine into the patch.

Just think about the cost savings of having people apply their own vaccination, says Dr. Rosio. And as the UK’s Guardian points out, "patches would also eliminate dangers posed by dirty needles, particularly in countries where conditions, such as HIV and hepatitis, are endemic." In addition, the "patches do not need to be stored in refrigerators."

Before reaching those conclusions, the team "designed a 100-needle patch that was first tested for its ability to penetrate pig skin, which is about the same thickness as its human counterpart," the UK's Press Association (7/18) reported. "They then carried out experiments to see how effectively the patch could deliver flu vaccine in mice." Specifically, "one group of rodents received hypodermic needle flu jabs, while others were treated with patches that were either loaded with the vaccine or empty."

When "infected with the flu virus 30 days later, both groups given the vaccine remained healthy, while the group given the placebo patch fell ill," the UK's Daily Mail (7/18, Derbyshire) reported. "Three months after vaccination, the scientists exposed a different group of immunized mice to the flu virus and found that the animals vaccinated with the patch had a stronger immune response."

The scientists, the UK's Independent (7/19, Connor) reports, "believe this difference between the two groups of vaccinated animals is due to the inoculation occurring via the skin rather than the muscle." HealthDay (7/18, Goodwin) and BBC News (7/18, Wilkinson) also covered the breakthrough. Dr. Tim Rosio believes this technique could also apply to other viral disorders such as chicken pox and Shingles. See the touching video story of a man who almost lost his sight because of the Shingles virus, and what you can do to prevent it.

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