Teva says additional QNASL data to be presented at AAAAI meeting Teva Pharmaceutical announced that additional data analyzed from the Phase III clinical program for QNASL Nasal Aerosol will be presented at the 2013 Annual Meeting of the American Academy of Allergy, Asthma and Immunology in San Antonio, Texas on February 22-26. Data will be presented at the meeting regarding the efficacy of QNASL in treating the symptoms associated with seasonal and perennial allergic rhinitis, including the drug’s potential quality of life benefits and sleep quality improvement. Furthermore, the data also demonstrated nasal symptom relief in patients with SAR and PAR who received treatment with QNASL 24 hours after dosing. On March 23, 2012, the U.S. Food and Drug Administration approved QNASL. The product became available by prescription in April 2012.