Alexza Receives Marketing Authorization for ADASUVE® (Staccato® Loxapine) in the European Union

 Alexza Receives Marketing Authorization for ADASUVE® (Staccato® Loxapine) in
                              the European Union

  PR Newswire

  MOUNTAIN VIEW, California and BARCELONA, Spain, Feb. 21, 2013

MOUNTAIN VIEW, California and BARCELONA, Spain, Feb. 21, 2013 /PRNewswire/ --
Alexza Pharmaceuticals, Inc. (Nasdaq: ALXA) and Grupo Ferrer Internacional,
S.A., today announced that the European Commission has granted marketing
authorization for ADASUVE ( Staccato loxapine). In the European Union (EU),
ADASUVE, 4.5 mg and 9.1 mg inhalation powder loxapine, pre-dispensed, is
authorized for the rapid control of mild-to-moderate agitation in adult
patients with schizophrenia or bipolar disorder. 

The ADASUVE marketing authorization requires that patients receive regular
treatment immediately after control of acute agitation symptoms, and that
ADASUVE is administered only in a hospital setting under the supervision of a
healthcare professional. Short-acting beta-agonist bronchodilator treatment
should be available for treatment of possible severe respiratory side-effects
(bronchospasm).

"The centralized EU marketing authorization for ADASUVE delivered by the
European Commission is an important milestone for Alexza," said Thomas B.
King, President and CEO of Alexza. "ADASUVE is the first authorized
non-injectable therapy for the rapid control of mild-to-moderate agitation in
adult patients with schizophrenia or bipolar disorder. We believe that the
ability to deliver this medicinal product rapidly and non-invasively will be
important for patient care."

King continued, "Our EU partner, Grupo Ferrer, is preparing for ADASUVE's
launch and we are very pleased to support their pre-launch efforts. We are
planning to launch ADASUVE in the third quarter, in both the US and the EU."

"Our focus with the initial EU launch of ADASUVE will be Germany and Austria
in 2013, with a planned launch into the rest of the EU countries in 2014,"
said Jordi Ramentol, CEO of Grupo Ferrer. "At the same time, we are compiling
the registration dossiers for the non-EU countries in our licensed territory,
and we plan to complete all of these submissions before the end of 2013."

Ramentol continued, "ADASUVE is central to our near-term corporate strategy.
We are very proud to bring this new technology to healthcare professionals for
the rapid control of mild-to-moderate agitation in adult patients with
schizophrenia or bipolar disorder."

About ADASUVE ( Staccato loxapine)

ADASUVE combines Alexza's proprietary Staccato system with loxapine, an
antipsychotic medicinal product. The Staccato system is a hand-held inhaler
that delivers a drug aerosol to the deep lung that results in IV-like
pharmacokinetics and rapid systemic effects.

The application for marketing authorization for ADASUVE submitted to the
European Medicines Agency was based on Alexza's clinical development program
that included two randomized, multicenter Phase 3 pivotal studies of ADASUVE,
which enrolled 344 adult patients with schizophrenia and 314 adult patients
with bipolar disorder. These two clinical trials demonstrated statistically
significant reductions in agitation from baseline compared to placebo(1,2).
In studies in agitated patients, bronchospasm was reported as an uncommon,
but serious adverse reaction, while in subjects with active airways disease,
bronchospasm was commonly reported and often required treatment with a
short-acting beta-agonist bronchodilator. The most commonly reported adverse
reactions during treatment with ADASUVE were dysgeusia, sedation/somnolence
and dizziness (dizziness was more common after placebo treatment than loxapine
treatment)(1,2,3). Alexza and Ferrer estimate that as many as 8 million
adults in the EU alone suffer from schizophrenia or bipolar disorder(4).
Agitation is a common symptom for these patients(5).

ADASUVE has been approved for marketing in the United States by the U.S. Food
and Drug Administration and in the European Union (EU) by the European
Commission. However, authorization for ADASUVE in the EU differs from that in
the U.S., with respect to indication, dose strengths, and risk mitigation and
management plans.

In the EU, the product is authorized as ADASUVE, 4.5 mg and 9.1 mg, inhalation
powder loxapine, pre-dispensed, and is indicated for the rapid control of
mild-to-moderate agitation in adult patients with schizophrenia or bipolar
disorder. Patients should receive regular treatment immediately after control
of acute agitation symptoms. ADASUVE should only be administered in a
hospital setting under the supervision of a healthcare professional.
Short-acting beta-agonist bronchodilator treatment should be available for
treatment of possible severe respiratory side-effects (bronchospasm).

About Grupo Ferrer Internacional, S.A.

Ferrer is partnered with Alexza for ADASUVE in Europe, Latin America, Russia
and the Commonwealth of Independent States. Ferrer is a privately-held
European R&D-based pharmaco-chemical and medical device company headquartered
in Barcelona, Spain. Founded in 1959, the group encompasses today 45
companies developing its activities in Europe, Latin America, Africa, Middle
East, Asia and the United States. In total, Ferrer's human healthcare
products are being commercialized in 93 countries through 26 direct
subsidiaries (including Joint Ventures) and 70 partners and distributors.

Ferrer carries out activities throughout the full value-chain of the pharma
business, from R&D to international marketing, including fine chemicals
development and both raw material and pharmaceutical product manufacturing.
For this purpose, Ferrer has research centres in Spain and Germany, as well as
manufacturing sites in Europe and Latin America.

Grupo Ferrer Internacional, S.A. is Alexza's commercial partner for ADASUVE in
Europe, Latin America, Russia and the Commonwealth of Independent States
countries.

For more information about Ferrer, visit the Company's web site at
www.ferrergrupo.com .

About Alexza Pharmaceuticals, Inc.

Alexza Pharmaceuticals is focused on the research, development and
commercialization of novel, proprietary products for the acute treatment of
central nervous system conditions, including agitation, acute repetitive
seizures and insomnia. Alexza's products are based on the Staccato® system, a
hand-held inhaler that is designed to deliver a drug aerosol to the deep lung,
providing rapid systemic delivery and therapeutic onset with ease and
convenience for patients.

For more information about ADASUVE, including the Summary of Product
Characteristics (SmPC) and Patient Information Leaflet approved in the EU, and
the full prescribing information and boxed warnings for the U.S., please visit
www.adasuve.com .

ADASUVE® and Staccato® are registered trademarks of Alexza Pharmaceuticals,
Inc.

Safe Harbor Statement

This news release contains forward-looking statements that involve significant
risks and uncertainties. Any statement describing the Company's expectations
or beliefs is a forward-looking statement, as defined in the Private
Securities Litigation Reform Act of 1995, and should be considered an at-risk
statement. Such statements are subject to certain risks and uncertainties,
particularly those inherent in the process of developing and commercializing
drugs, including the ability for Alexza and Ferrer to effectively and
profitably commercialize ADASUVE in the EU, timing and prospects for
regulatory approval to market ADASUVE in Latin America, Russia and the
Commonwealth of Independent States countries, the adequacy of the Company's
capital to support the Company's operations, and the Company's ability to
raise additional funds and the potential terms of such potential financings.
The Company's forward-looking statements also involve assumptions that, if
they prove incorrect, would cause its results to differ materially from those
expressed or implied by such forward-looking statements. These and other risks
concerning Alexza's business are described in additional detail in the
Company's Annual Report on Form 10-K for the year ended December 31, 2011 and
the Company's other Periodic and Current Reports filed with the Securities and
Exchange Commission. Forward-looking statements contained in this announcement
are made as of this date, and the Company undertakes no obligation to publicly
update any forward-looking statement, whether as a result of new information,
future events or otherwise.

References :

1.Lesem MD, Tran-Johnson TK, Riesenberg RA, Feifel D, Allen MH, Fishman R,
    Spyker DA, Kehne JH and Cassella JV. Rapid acute treatment of agitation in
    individuals with schizophrenia: multicentre, randomised,
    placebo-controlled study of inhaled loxapine. Br J Psychiatry. 2011
    Jan;198(1):51-8.
2.Kwentus J, Riesenberg RA, Marandi M, Manning RA, Allen MH, Fishman RS,
    Spyker DA, Kehne JH and Cassella JV. Rapid acute treatment of agitation in
    patients with bipolar I disorder: a multicenter, randomized,
    placebo-controlled clinical trial with inhaled loxapine. Bipolar Disord.
    2012 Feb;14(1):31-40.
3.ADASUVE Summary of Product Characteristics.
4.Wittchen HU and Jacobi F. Size and burden of mental disorders in Europe-a
    critical review and appraisal of 27 studies. Eur Neuropsychopharmacol.
    2005 Aug;15(4):357-76.
5.Alexza data on file (primary market research among caregivers of patients
    with schizophrenia (95% have agitation) and bipolar patients (87% have
    agitation)).





Website: http://www.alexza.com
Contact: BCC Partners, Karen L. Bergman and Michelle Corral, 650.575.1509 or
415.794.8662, kbergman@bccpartners.com or mcorral@bccpartners.com
 
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