Hay Fever Vaccine Produces Dramatic Results
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Contributed by Lisa Olen| 05 October, 2006 01:51 GMT
An experimental vaccine against hay fever appears to prevent 65-70 percent of symptoms for at least two years after just six injections, according to a study published in the
New England Journal of Medicine.
Dynavax, the developer of the allergy shot, expects to apply for
FDA approval in 2008. The vaccine is currently in phase 3 testing.
Hay fever -- the allergic reaction to ragweed -- causes an uncomfortable collection of symptoms including sneezing, runny nose, coughing, and itchiness in eyes, nose and throat. It can also be the catalyst for asthma attacks.
Ragweed pollen is at its worst in late summer and autumn, and affects about one-fifth of the US population.
Conventional allergy treatment requires numerous injections over several months or even years. |
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