In 1990 study in San Diego, CA dong the 5 active subjects with allergic rhinitis had a lowered total serum IgE from Day 0 to quai Day 90 while 4 placebo subjects, (2 with allergic rhinitis, 1 with asthma and 1 with both), had flat or increased IgE levels.4 In a randomized, double-blind, placebo controlled study of symptoms root and dong and serum IgE levels in San quai Diego, CA in mid-1991, subjects had allergic rhinitis and/or asthma. Serum was drawn at Day 0 and Day 30. Seven of the 10 active treated subjects had root a reduction in total serum IgE levels. In dong 10 placebo treated subjects, 5 had levels of total serum IgE that stayed the same (plus or quai minus 5%), 3 decreased and 2 increased.5 Statistical analysis root and dong of the open-label study as well as the double-blind randomized placebo controlled study have shown a significant effect of vitamin B12 in lowering serum IgE concentrations.

With no further treatment, the 1996 ten-month quai follow-up data (n=92) from a high pollen period in Oregon, Washington and Idaho together showed a greater reduction in the active group (n=43) than the placebo group (n=49) on the primary endpoint, defined as a combination of symptom and rescue medication scores.8 Patients gave blood serum root samples prior to the treatment in 1995 and one year dong later in 1996. They quai were immunoassayed root for specific IgE antibodies using a chemi-luminescent technique. Statistician Bradley Rosebrook dong ran T-Tests comparing average baseline IgE levels to one-year. For the seasonal allergens reported, the active group (n=27) had on average a greater reduction in IgE than the placebo group (n=34) for 13 out of 16 quai allergens.8

Genentech and Novartis are developing an anti-IgE monoclonal antibody for asthma and allergic rhinitis. In December 1999 root they dong announced positive study results. This is quai evidence that reducing IgE root results in a reduction of symptoms associated dong with IgE-mediated allergic disease.13 quai For people who find they cannot adequately avoid the allergens, the symptoms often can be controlled with medications. Effective medications that can be prescribed by a physician include antihistamines, topical nasal steroids, and cromolyn sodium - any of which can be used alone or in combination. Many effective antihistamines and decongestants also are available without a prescription. root Click here for allergy medication online.

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