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Raptor Pharmaceuticals Corp. Announces Positive Phase IIa Clinical Study Results For Convivia(TM) Program
Raptor
Pharmaceuticals Corp. ("Raptor" or the "Company") (OTC Bulletin Board:
RPTP), announced positive results in its Phase IIa study of oral
4-methylpyrazole ("4-MP") in subjects with ALDH2 deficiency, or ethanol
intolerance, as the initial development stage of its Convivia(TM) program.
Convivia(TM) is Raptor's proprietary oral formulation of 4-MP designed to
reduce systemic acetaldehyde exposure and related symptoms in ALDH2
deficient persons following alcohol consumption. 4-MP, the active
ingredient in Convivia(TM) and used in this Phase IIa study, is marketed in
an injectible formulation for other indications, but is investigational for
treatment of acetaldehyde toxicity associated with ethanol exposure in
ALDH2 deficient subjects.
Conducted in Hawaii, the blinded, intra-subject controlled, single
dose, dose escalation study enrolled 32 subjects of Japanese descent with a
history of symptoms of inborn altered ethanol metabolism with concomitant
ethanol exposure. At the time of enrollment, study subjects also submitted
to alcohol dehydrogenase ("ADH") and aldehyde dehydrogenase ("ALDH2")
genotyping. The objectives of the study were to investigate the safety and
efficacy of 4-MP as a potential treatment of symptoms resulting from
acetaldehyde toxicity in ALDH2 deficient subjects who drink alcohol. The
trial also sought to provide information leading to the most efficacious
dose and dosage timing range.
The study results demonstrated that the active ingredient in
Convivia(TM) significantly reduced heart palpitations (tachycardia), which
are commonly experienced by ALDH2 deficient people who drink, at all dose
levels tested. The study also found that the 4-MP significantly reduced
peak acetaldehyde levels and total acetaldehyde exposure in a subset of the
study participants who possess specific genetic variants of the liver ADH
and ALDH2 enzymes. This subset represents approximately one-third of the
ALDH2 deficient adult population.
Ted Daley, President of Raptor's Clinical Division, stated, "We are
encouraged by these results from our Phase IIa study for Convivia(TM).
Currently there are no approved treatments for ALDH2 deficiency, and people
with this disorder could potentially benefit by lessening their exposure to
acetaldehyde, a known carcinogen, and mitigating the unpleasant reactions
to drinking. We plan to seek partners with clinical and commercial
operations in Asian countries, to continue the development of this product
candidate."
About ALDH2 Deficiency
ALDH2 deficiency, sometimes referred to as "Asian flushing syndrome,"
is an inherited metabolic disorder affecting 40% to 50% of East Asian
populations, impairing the activity of the liver enzyme aldehyde
dehydrogenase ("ALDH2"). When people with ALDH2 deficiency drink alcoholic
beverages, there is an accumulation of acetaldehyde, a carcinogenic
intermediate in the metabolism of ethanol, in blood and tissues. Published
retrospective studies have observed a significant correlation between
recurrent drinkers with ALDH2 deficiency and an increase in risk for
digestive tract cancers, liver diseases, late-onset Alzheimer's disease and
other serious health disorders. In addition to the long-term health risks,
elevated acetaldehyde levels produce acute symptoms, including facial
flushing, tachycardia (rapid heart rate), headache, nausea and dizziness.
Although ALDH2 deficient people suffer from unpleasant reactions and face
long-term health risks, a substantial proportion of them are recurring
drinkers of alcoholic beverages.
About Raptor Pharmaceuticals Corp.
Raptor Pharmaceuticals Corp. ("Raptor") is dedicated to speeding the
delivery of new treatment options to patients by working to improve
existing therapeutics through the application of highly specialized drug
targeting platforms and formulation expertise. We focus on underserved
patient populations where we can have the greatest potential impact. Raptor
is currently running clinical trials in patients with aldehyde
dehydrogenase ("ALDH2") deficiency, nephropathic cystinosis and
non-alcoholic steatohepatitis ("NASH").
Raptor's preclinical programs are based upon bioengineered novel drug
candidates and drug-targeting platforms derived from the human
receptor-associated protein ("RAP") and related proteins to that are
designed to target cancer, neurodegenerative disorders and infectious
diseases.
For additional information, please visit http://www.raptorpharma.com.
FORWARD LOOKING STATEMENTS
This document contains forward-looking statements as that term is
defined in the Private Securities Litigation Reform Act of 1995. These
statements relate to future events or our future results of operation or
future financial performance, including, but not limited to the following
statements: Raptor's ability to obtain Asian partners to further develop
Convivia(TM); Raptor's ability to manufacture clinical scale quantities of
its proprietary Convivia(TM) formulation; Convivia's(TM) ability to benefit
ALDH2 deficient individuals by lessening their exposure to acetaldehyde and
mitigating their unpleasant reactions to drinking; the ability of
Convivia(TM) to be successfully developed into a marketable treatment; and
Raptor's ability to successfully develop any of its other clinical and
preclinical products. These statements are only predictions and involve
known and unknown risks, uncertainties and other factors, which may cause
our actual results to be materially different from these forward-looking
statements. Factors which may significantly change or prevent our forward
looking statements from fruition include that we may be unsuccessful in
developing any products or acquiring products; that our technology may not
be validated as we progress further and our methods may not be accepted by
the scientific community; that we are unable to retain or attract key
employees whose knowledge is essential to the development of our products;
that unforeseen scientific difficulties develop with our process; that our
patents are not sufficient to protect essential aspects of our technology;
that competitors may invent better technology; that our products may not
work as well as hoped or worse, that our products may harm recipients; and
that we may not be able to raise sufficient funds for development or
working capital when we require it. As well, our products may never develop
into useful products and even if they do, they may not be approved for sale
to the public. We caution readers not to place undue reliance on any such
forward-looking statements, which speak only as of the date they were made.
Certain of these risks, uncertainties, and other factors are described in
greater detail in our filings from time to time with the Securities and
Exchange Commission ("SEC"), which we strongly urge you to read and
consider, including our Registration Statement on Form S-1, as amended,
that was declared effective on August 7, 2008; and our annual report on
Form 10-K filed with the SEC on October 30, 2008, all of which are
available free of charge on the SEC's web site at http://www.sec.gov.
Subsequent written and oral forward-looking statements attributable to us
or to persons acting on our behalf are expressly qualified in their
entirety by the cautionary statements set forth in our reports filed with
the SEC. We expressly disclaim any intent or obligation to update any
forward-looking statements.
Raptor Pharmaceuticals Corp.
http://www.raptorpharma.com
Raptor Pharmaceuticals Corp Announces pozitive Faza IIa studiu clinic Rezultate pentru Convivia (TM) Program - Raptor Pharmaceuticals Corp. Announces Positive Phase IIa Clinical Study Results For Convivia(TM) Program - articole medicale engleza - startsanatate