Conclusions: the dust miteallergens standardization of SIT cansignificantlyreduce the doseof inhaledsteroid, improvelungfunction, improveclinicalsymptomscore and is secure.
Yet a Glaxo study in 2004 found that 60% of asthma patients could control their disease with just the inhaledsteroid Flovent, the other half of Advair.
The purple puck delivers a blast of two Glaxo medicines that won approval years before: Serevent, a "beta agonist" that was cleared in England in 1990 and in the U.S. in 1994, and Flovent, an inhaledsteroid that won U.S. approval in 1996.
Genentech and Novartis initially plan to aim Xolair at 500, 000 or so moderate-to-severe asthmatics whose condition isn't controlled even with high doses of existing drugs, such as GlaxoSmithKline 's (nyse: GSK - news - people ) inhaledsteroid Flovent or Merck 's (nyse: MRK - news - people ) Singulair, a so-called leukotriene inhibitor.