Determination of the Bioavailability of 3 Intranasal Formulations of Azelastine Hydrochloride in Healthy Male Volunteers.

The primary objective of the study was to determine the bioavailability of 2 new formulations of azelastine (AZE) hydrochloride (0.10% and 0.15% AZE) containing sorbitol and sucralose compared with the commercially available 0.