Alexza Pharmaceuticals to Present AZ-104 Phase 2a Clinical Data at the American Headache Society Annual Scientif...( MOUNTAIN VIEW Calif. June 23 /- A...),Health

MOUNTAIN VIEW, Calif., June 23 /PRNewswire-FirstCall/ -- Alexza Pharmaceuticals, Inc. (Nasdaq: ALXA) announced today that it will present results of its Phase 2a clinical trial of Staccato(R) loxapine (AZ-104) for the treatment of migraine headache at the 50th Annual Scientific Meeting of the American Headache Society, which being held at the Marriott Boston Copley Place in Boston, MA. The oral platform abstract presentation, "Inhaled Loxapine, a Dopamine Antagonist, Reduces Headache Pain in Patients Having an Acute Migraine Attack", is scheduled for Friday, June 27, 2008 at 10:55 a.m. Eastern Time, and will be presented in University Hall. AZ-104 is a lower dose version of AZ-004, which is in Phase 3 clinical development for the treatment of acute agitation in patients with schizophrenia or bipolar disorder.

Alexza Pharmaceuticals is an emerging specialty pharmaceutical company focused on the development and commercialization of novel, proprietary products for the treatment of acute and intermittent conditions. The Company's technology, the Staccato system, vaporizes unformulated drug to form a condensation aerosol that allows rapid systemic drug delivery through deep lung inhalation. The drug is quickly absorbed through the lungs into the bloodstream, providing speed of therapeutic onset that is comparable to intravenous administration, but with greater ease, patient comfort and convenience.

Alexza has six product candidates in clinical development. Alexza's lead program, AZ-004 (Staccato loxapine) for the treatment of acute agitation in schizophrenic or bipolar disorder patients, is in Phase 3 testing and has completed the enrollment of its first Phase 3 clinical trial. AZ-001 (Staccato prochlorperazine) for the acute tre
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