Alexza Pharmaceuticals, Inc. is a specialty pharmaceutical company focused on the development and commercialization of products for the treatment of acute and intermittent conditions. The Company has six product candidates in clinical development. Its technology, the Staccato system, vaporizes excipient-free drugs to form condensation aerosols that, when inhaled, allows for rapid systemic drug delivery. The Company is initially focusing on developing products by combining its Staccato system with small molecule drugs that have been in use for many years and are well characterized to create aerosolized forms of these drugs.