Acusphere Announces Submission of Marketing Authorisation Application for Imagify™ in Europe and Start of Procedural Review
2012年10月24日 - 11:49PM
ビジネスワイヤ(英語)
Acusphere, Inc. (ACUSD.PK) today announced that it has submitted
the Marketing Authorisation Application (MAA) for its lead product
candidate, Imagify™ (Perflubutane Polymer Microspheres)
lyophilisate for dispersion for injection with the European
Medicines Agency (EMA) to support the regulatory review of Imagify
in the European Union (EU). The MAA is being submitted via the
centralized procedure that would enable simultaneous approval in
all EU countries. The validation process for the MAA has been
successfully completed, and the substantive review process is now
underway by the Committee for Medicinal Products for Human Use
(CHMP). The CHMP opinion is expected in Q4 2013.
The MAA submission is supported by a clinical program of 11
scientific studies in humans, including two Phase 3 pivotal studies
that were conducted in the targeted patient population - stable
chest pain patients with suspected or known coronary artery disease
(CAD). The pivotal studies compared the performance of Imagify with
stress ultrasound to nuclear stress testing, which is recommended
for this patient population by clinical guidelines in Europe and
the U.S. The objective of the primary efficacy analysis was to
demonstrate that Imagify with stress ultrasound had non-inferior
accuracy to nuclear stress testing. The primary endpoint, accuracy,
was met in both trials. The results of these trials, called Real
Time Assessment of Myocardial Perfusion (RAMP) 1 and RAMP 2, have
been published in the European Journal of Echocardiography in a
2009 paper which concluded that Imagify with stress ultrasound was
well tolerated and had comparable performance to nuclear stress
testing.
“Nuclear stress testing, the current standard of care for
assessing myocardial perfusion, is expensive and exposes millions
of patients each year to harmful radiation,” said Sherri C. Oberg,
President and CEO of the company. “Imagify enables the assessment
of myocardial perfusion, the most sensitive, non-invasive marker of
CAD, with stress ultrasound, a radiation-free, lower cost test,
important benefits in today’s cost conscious health care
environment. Imagify with stress ultrasound is the first and only
test that has demonstrated comparable efficacy to nuclear stress
testing in an international, multi-center registration trial. We
are very pleased with our continued progress on Imagify’s
regulatory submission in Europe, since this development is so
important for Acusphere as well as for patients who want to avoid
radiation exposure, and for a health care system looking for better
quality at a lower cost.”
Acusphere owns global rights to Imagify and is in discussions
with potential partners with the capabilities and resources
required to commercialize Imagify in Europe upon approval and to
fund the additional clinical trial required for U.S. approval.
Regulatory guidelines in the U.S., which differ from European
guidelines, now require placebo trials. Acusphere has reached
agreement with the Food and Drug Administration (FDA) under a
Special Protocol Assessment (SPA) on the design of a placebo trial
to demonstrate that stress ultrasound with Imagify has superior
efficacy to stress ultrasound without Imagify. Placebo trials are
not required under European regulatory guidelines and Acusphere
confirmed in its pre-MAA submission meetings with European
regulators that this trial would not be required for European
approval.
Coronary artery disease (CAD) is the leading cause of death in
Europe and throughout the western world, including the U.S. Imagify
remains the leading development candidate for myocardial perfusion
assessment with ultrasound. Acusphere believes that Imagify
continues to show promise as a lower cost radiation-free test for
perfusion assessment. The current standard of care, nuclear stress
testing, is expensive and each episode of nuclear stress testing
delivers a radiation dose equivalent to between 140 and 800 chest
x-rays depending upon the radiopharmaceutical used. Based upon an
addressable market of at least 3 million stress imaging procedures
annually in Europe, the market opportunity for Imagify is $600
million. Acusphere believes this market could grow significantly
since the European population is similar to the U.S. population and
the prevalence of heart disease is similar as well. In the U.S.,
the addressable market is approximately 10 million stress imaging
procedures with an Imagify market opportunity of $2 billion.
About Acusphere, Inc.
Acusphere, Inc. (ACUSD.PK) is a specialty pharmaceutical company
focused on the development and regulatory approval of our lead
product candidate, Imagify™ (Perflubutane Polymer Microspheres)
lyophilisate for dispersion for injection. Imagify is a
cardiovascular drug for the detection of coronary artery disease,
the leading cause of death in Europe and the United States. Imagify
was created using proprietary technology that enables Acusphere to
control the porosity and size of nanoparticles and microparticles,
which were customized to control the delivery of gas needed for
ultrasound myocardial perfusion assessment. For more information
about Acusphere visit the Company's web site
(www.acusphere.com).
Forward-looking Statements
The above press release contains forward-looking statements,
including statements regarding the MAA submission for Imagify and
likelihood of regulatory approval and the commercial opportunity
for Imagify. There can be no assurance that Imagify will be
approved for the indication the Company is seeking, or at all. The
Company's actual results may differ materially from those
anticipated in these forward-looking statements based upon a number
of factors, including uncertainties associated with research,
development, testing and related regulatory approvals,
uncertainties regarding results of the trial agreed to under the
Company's proposed Special Protocol Assessment with FDA and
proposed Paediatric Investigational Plan with EMA, and
uncertainties regarding the potential effects of not achieving
clinical endpoints, capital needs and uncertainty of additional
financing, uncertainties regarding the cost, timing and ultimate
success of the qualification of the Company's commercial
manufacturing facility in accordance with applicable regulatory
requirements, complex manufacturing, high quality requirements,
lack of commercial manufacturing experience, dependence on
third-party manufacturers, suppliers and collaborators,
uncertainties associated with intellectual property, competition,
loss of key personnel, uncertainties associated with market
acceptance and adequacy of reimbursement, technological change and
government regulation. The Company notes that effective as of March
3, 2009, pursuant to a Form 15 filing made with the SEC, it is not
currently required to file periodic reports with the SEC, including
annual reports on Form 10-K, quarterly reports on Form 10-Q and
current reports on Form 8-K. Readers are cautioned not to place
undue reliance on any forward-looking statements, which speak only
as of the date of this press release. The Company undertakes no
obligation to publicly release the results of any revisions to
these forward-looking statements that may be made to reflect events
or circumstances that occur after the date of this press release or
to reflect the occurrence of unanticipated events.
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