MONICA L. FERRARA - Barcelona - 19/07/2010
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The flu vaccine could be administered with patches on the skin. No punctures, and would avoid the blackouts caused by the fear of needle and other adverse effects such as redness or inflammation. The patch is composed of 100 microneedles in a patch bonded measuring only 650 micrometers long (about 0.06 millimeters). The device penetrates the upper layers of the skin and dissolves. For now, we have tested in mice. Research has been conducted by the Georgia Institute of Technology in Atlanta, and the results are published in the online version of Nature Medicine. The safety and efficacy has not yet been tested in humans.
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According to the results of the study, the new management technique also improves the immune response and therefore more effective. The animals used in the trial were divided into three groups. The vaccine first received conventional hypodermic needles. The second, were given the drug using the patch. The third group of animals were put on a patch with no active compound and acting as controls with which to compare. The three were injected with influenza virus. After a month, the animals that received either of the two treatments were healthy, while mice in the control group had fallen ill. After three months, which had been inoculated from the patch remained immune.
The patch offers additional advantages. Ease of administration make it easier for the patient should apply the vaccine, which could result in savings in health spending. Is to see what the price of the patch in question. On the other hand, require no needle or syringe and would generate less waste.
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