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* After eight weeks of treatment Afinitor halted tumor growth in
55% of advanced gastric cancer patients previously treated with
chemotherapy
* Based on these promising data, Novartis will initiate a Phase III
trial of Afinitor for advanced gastric cancer patients
* Gastric cancer is the second leading cause of cancer death
worldwide, with the majority of new cases occurring in East Asia
Basel, January 13, 2009 - Data released today show Afinitor® (also
known as RAD001, everolimus) halted tumor growth in 55% of patients
with advanced gastric cancer, a condition for which there are limited
treatment options. In addition, 45% of patients in the study
demonstrated some tumor shrinkage[1].
The data will be presented at the American Society of Clinical
Oncology's 2009 Gastrointestinal Cancers Symposium on January 15.
The open label, single arm, multi-center Phase II study of 54
patients conducted in Japan, is designed to assess the efficacy and
safety of Afinitor in patients with advanced gastric cancer whose
disease progressed despite prior treatment. Patients enrolled in the
trial were heavily pre-treated. All trial participants were from
Japan and of Asian descent[1].
"There are very limited treatment options for patients who progressed
despite the standard treatment for this aggressive cancer," said
Atsushi Ohtsu, MD, PhD, Director, Research Center for Innovative
Oncology, National Cancer Center Hospital East, Chiba, Japan. "The
results from this study demonstrate that Afinitor has the potential
to provide an effective new option for these patients."
A global Phase III clinical trial program to evaluate the efficacy
and safety of Afinitor monotherapy in approximately 500 advanced
gastric cancer patients will begin enrollment this year.
"Most advanced gastric cancer patients eventually stop responding to
current therapies, demonstrating a considerable need for new
treatment options," said Alessandro Riva, MD, Executive Vice
President & Global Head of Development, Novartis Oncology. "Early
data show Afinitor may benefit these patients and provides the
rationale for additional studies. Novartis is committed to further
exploring the potential of Afinitor for this hard-to-treat cancer, as
well as studying its role in treating other tumor types."
Gastric cancer, commonly referred to as stomach cancer, is
responsible for more than 865,000 deaths each year, making it the
second leading cause of cancer death worldwide[2].This cancer is
highly prevalent among people of Asian descent, with more than half
of all new cases occurring in East Asia[3]. It is believed that the
incidence is high among this population due in part to Helicobacter
pylori infection and a diet high in smoked, salted or pickled
foods[4].
Study details
The proof-of-concept, Phase II study is designed to assess the
efficacy and safety of Afinitor 10 mg daily in patients with advanced
gastric cancer (inoperable, recurrent or metastatic gastric cancer)
whose disease progressed despite prior treatment. The primary
endpoint of the study is to assess disease control rate (DCR).
Secondary endpoints included assessment of objective response rate
(ORR), progression-free survival (PFS) and overall survival (OS), and
to describe the safety profile of Afinitor.
The average duration of therapy was 57 days. There was a DCR
(complete response/partial response/stable disease) of 55% at eight
weeks (95% Confidence Interval: 40.4 - 68.4%). Of the 53 patients
evaluated for the study's primary endpoint, 29 patients (55%) had
stable disease, 22 (41%) had progressive disease and 2 (4%) had an
unknown response. The ORR was zero. The median PFS was 83 days (95%
Confidence Interval: 50 - 91 days), with 29.6% of patients estimated
to still be progression-free at four months. Median overall survival
was not attained at the time of evaluation.
The most commonly reported adverse events (all grades; >10% patients)
in the study included stomatitis, anorexia, fatigue, rash, nausea,
edema peripheral, thrombocytopenia, diarrhea, pruritus, anemia,
dysgeusia, vomiting, pyrexia, pneumonitis, constipation and insomnia.
Serious adverse events (grade 3 or 4; >3% of patients) included
anemia, hyponatremia, raised liver function, fatigue, stomatitis,
anorexia, hyperglycemia, hypophosphatemia, ileus and lymphopenia.
About Afinitor
Afinitor, an oral once-daily inhibitor of mTOR, is an investigational
drug being studied in multiple tumor types. In cancer cells, Afinitor
provides daily inhibition of mTOR, a protein that acts as a central
regulator of tumor cell division, cell metabolism and blood vessel
growth.
Afinitor is being studied in multiple cancer types including advanced
kidney, breast and neuroendocrine tumors and lymphoma. Currently,
Afinitor is under regulatory review in the US and Europe for the
treatment of advanced renal cell carcinoma.
The safety and efficacy profile of Afinitor has not yet been
established in oncology and there is no guarantee that Afinitor will
become commercially available for oncology indications. The active
ingredient in Afinitor is everolimus, which is available in different
dosage strengths under the trade name Certican® for the prevention of
organ rejection in heart and kidney transplant recipients. Certican
was first approved in the EU in 2003.
Disclaimer
The foregoing release contains forward-looking statements that can be
identified by terminology such as "promising," "will," "potential,"
"may," "committed," "exploring," "believed," "estimated,"
"anticipated," or similar expressions, or by express or implied
discussions regarding potential regulatory filings or marketing
approvals for Afinitor or regarding potential future revenues from
Afinitor. You should not place undue reliance on these statements.
Such forward-looking statements reflect the current views of
management regarding future events, and involve known and unknown
risks, uncertainties and other factors that may cause actual results
with Afinitor to be materially different from any future results,
performance or achievements expressed or implied by such statements.
There can be no guarantee that Afinitor will be approved for sale for
any oncology indication in any market. Nor can there be any guarantee
that Afinitor will achieve any particular levels of revenue in the
future. In particular, management's expectations regarding Afinitor a
could be affected by, among other things, unexpected regulatory
actions or delays or government regulation generally; unexpected
clinical trial results, including unexpected new clinical data and
unexpected additional analysis of existing clinical data; the
company's ability to obtain or maintain patent or other proprietary
intellectual property protection; competition in general; government,
industry and general public pricing pressures; the impact that the
foregoing factors could have on the values attributed to the Novartis
Group's assets and liabilities as recorded in the Group's
consolidated balance sheet, and other risks and factors referred to
in Novartis AG's current Form 20-F on file with the US Securities and
Exchange Commission. Should one or more of these risks or
uncertainties materialize, or should underlying assumptions prove
incorrect, actual results may vary materially from those anticipated,
believed, estimated or expected. Novartis is providing the
information in this press release as of this date and does not
undertake any obligation to update any forward-looking statements
contained in this press release as a result of new information,
future events or otherwise.
About Novartis
Novartis AG provides healthcare solutions that address the evolving
needs of patients and societies. Focused solely on healthcare,
Novartis offers a diversified portfolio to best meet these needs:
innovative medicines, cost-saving generic pharmaceuticals, preventive
vaccines, diagnostic tools and consumer health products. Novartis is
the only company with leading positions in these areas. In 2007, the
Group's continuing operations (excluding divestments in 2007)
achieved net sales of USD 38.1 billion and net income of USD 6.5
billion. Approximately USD 6.4 billion was invested in R&D activities
throughout the Group. Headquartered in Basel, Switzerland, Novartis
Group companies employ approximately 97,000 full-time associates and
operate in over 140 countries around the world. For more information,
please visit http://www.novartis.com.
References
[1] Ohtsu, A et al. Multicenter phase II study of RAD001 for
previously treated metastatic gastric cancer. Presented at the
American Society of Clinical Oncology's 2009 Gastrointestinal Cancers
Symposium, January 15, 2008.
[2] World Health Organization. Cancer.
http://www.who.int/mediacentre/factsheets/fs297/en/. Accessed on
December 23, 2008.
[3] Ohtsu, A. Chemotherapy for metastatic gastric cancer: past,
present, and future. J Gastroenterol 2008; 43:256-264.
[4] American Cancer Society. Overview: Stomach Cancer. Available at:
http://www.cancer.org/docroot/CRI/content/CRI_2_2_2X_What_causes_stomach_cancer_40.asp?sitearea=.
Accessed on December 23, 2008.
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