MOUNTAIN VIEW, CA -- (MARKET WIRE) -- March 29, 2007 -- Asthmatx, Inc., a medical device company that has developed a catheter-based procedure for the treatment of asthma, announced today the publication of positive results from its multicenter, randomized and controlled Asthma Intervention Research (AIR) Trial in the New England Journal of Medicine (NEJM). The publication, entitled “Asthma Control during the Year after Bronchial Thermoplasty,” showed that patients treated with bronchial thermoplasty, as compared to a control group that did not receive the out-patient procedure, demonstrated a statistically significant: