WATERTOWN, Mass., Jan. 19 /PRNewswire/ -- Enanta Pharmaceuticals announced
today the initiation of a Phase 2 clinical trial for the treatment of
community acquired pneumonia (CAP) in the United States and Canada for
EDP-420, an investigational bridged bicyclic macrolide antibiotic for the
treatment of community-acquired respiratory tract infections. Enanta
scientists discovered EDP-420 and the Company retains development and
commercialization rights to this program worldwide, excluding East Asia. In
December 2005, Enanta announced that its East Asia partner, Shionogi & Co.,
Ltd., initiated Phase 2 studies in Japan for EDP-420.
"Our first Phase 2 study in the United States and Canada for EDP-420 will
enable Enanta to evaluate the safety, tolerability, and efficacy of EDP-420
for the treatment of community acquired pneumonia," said Yat Sun Or, Ph.D.,
Senior Vice President of Research and Development at Enanta. "This trial is
anticipated to support the evaluation of EDP-420 as a broad-spectrum macrolide
antibiotic for the treatment of community respiratory tract infections,
including activity against resistant S. pneumonia, as well as enabling a
decision to advance to Phase 3 clinical trials."
Dr. Or added, "It also marks the beginning of an expansive Phase 2
clinical development program underway for EDP-420 in North America. EDP-420
will be evaluated in multiple indications moving forward, including
community-acquired pneumonia, acute bacterial exacerbation of chronic
bronchitis, acute sinusitis, tonsillitis/pharyngitis, and otitis media."
Community Acquired Pneumonia (CAP)
CAP is the sixth most common cause of death in the United States. CAP and
other respiratory tract infections are caused by pathogens such as S.
pneumonia. CAP affects 5-6 million patients in the United States each year,
with 10 million physician visits, 1 million hospitalizations occurring
annually and a cost of 21 billion dollars.
Enanta is developing EDP-420 for the treatment of community respiratory
tract infections with potential indications for community-acquired pneumonia,
acute exacerbation of chronic bronchitis, acute sinusitis,
tonsilitis/pharyngitis, and otitis media. EDP-420 is a first-in-class Bridged
Bicyclic Macrolide antibiotic that is the result of Enanta's innovative
medicinal chemistry approach to creating novel and proprietary chemical
structures. Preclinical and Phase 1 clinical studies have shown an excellent
pharmacokinetic profile for EDP-420, complementing an improved preclinical
activity profile relative to currently marketed macrolides and ketolides,
including against many strains of resistant S. pneumoniae. This is the most
commonly implicated bacteria in respiratory infections, responsible for 45% of
the cases of community-acquired pneumonia (CAP) and 34% of acute sinusitis.
Nearly one-third of S. pneumoniae infections in the US are resistant to
penicillin and 31% are resistant to the macrolide antibiotic erythromycin. S.
pneumoniae resistance is more common in Asia, where 53% of S. pneumoniae
infections are penicillin resistant and 80% are erythromycin resistant.
Enanta Pharmaceuticals is a research and development company, which uses
its novel chemistry approach and drug discovery capabilities to create best in
class small molecule drugs in the anti-infective field. At the heart of
Enanta is its commitment to innovative chemistry that surpasses traditional
medicinal chemistry approaches. The Company successfully integrates chemistry
with biology, in order to discover and develop novel small molecules that
address the following significant, unmet medical needs: a new class of
macrolide and ketolide antibiotics to overcome bacterial resistance and
antiviral agents targeted against the Hepatitis C virus (HCV). Enanta is a
privately held company with offices in Watertown, MA. More information about
the company can be found at http://www.enanta.com.
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SOURCE Enanta Pharmaceuticals