Published: September 13, 2008
RAD001 Combined with Sandostatin LAR(R) Depot and as Monotherapy Controls Growth of Rare Pancreatic Neuroendocrine Tumors
EAST HANOVER, N.J., Sept. 13 /PRNewswire-FirstCall/ -- New data show that
combination treatment with RAD001 (everolimus) and Sandostatin LAR(R) Depot
(octreotide acetate for injectable suspension) and RAD001 given alone control
tumor growth in patients with pancreatic neuroendocrine tumors (NET), a rare
and difficult-to-treat form of cancer.
These results, from the RADIANT-1 (RAD001 In Advanced Neuroendocrine
Tumors) study, were presented today at the 33rd European Society for Medical
Oncology (ESMO) Congress inStockholm, Sweden.
In the trial, patients with pancreatic NET who became resistant to
chemotherapy were given either daily RAD001 combined with monthly Sandostatin
LAR Depot or daily RAD001 alone. The results showed that 82% of patients
receiving combination therapy and 77% receiving monotherapy had tumors that
either decreased in size or remained stable.
"Pancreatic neuroendocrine tumors cause debilitating symptoms related to
hormone production and typically claim the lives of patients within five years
despite treatment with chemotherapy, which is the current standard of care,"
said James Yao, MD, Associate Professor of Medicine at The University of Texas
M. D. Anderson Cancer Center. "Results from this trial show the promise of
RAD001, with or without Sandostatin LAR Depot, to provide tumor shrinkage or
stability and to extend time without disease progression in patients who
currently have limited treatment options."
The study explores the potential of mTOR inhibition for patients with
pancreatic NET by examining RAD001 alone or in combination with standard of
care treatment, Sandostatin LAR Depot. RAD001 is a once-daily oral therapy
that continuously inhibits the mTOR protein, a central regulator of cell
division and tumor blood vessel growth.
"These findings begin to establish the role of RAD001 as a promising new
option for patients with a rare and deadly form of cancer that historically
has not responded well to any treatment," said David Epstein, President and
CEO of Novartis Oncology. "The combination of RAD001 and Sandostatin LAR Depot
may offer a novel treatment approach for disease and symptom control in
patients with pancreatic neuroendocrine tumors who are resistant to
chemotherapy."
Two Phase III trials investigating the use of RAD001 and Sandostatin LAR
Depot are underway in patients with pancreatic NET and carcinoid tumors. The
endpoints will be progression-free survival and overall survival.
RADIANT-1 results
RADIANT-1 is a Phase II international, multi-center, open label,
stratified study of RAD001 in 160 patients with advanced pancreatic NET, who
became resistant to prior treatment with cytotoxic chemotherapy. In the
monotherapy treatment group, 115 patients received RAD001 alone. In the
combination treatment group, 45 patients whose tumors progressed during
treatment with Sandostatin LAR Depot continued treatment with the addition of
RAD001.
The primary endpoint of RADIANT-1 was objective response rate (complete
response and partial response) in the monotherapy group. The secondary
endpoints included response rate in the combination treatment group, as well
as response duration, safety and tolerability, progression-free survival (PFS)
and overall survival, changes in plasma chromogranin A and pharmacokinetics in
both groups.
Monotherapy treatment group results
Clinical benefit (overall response rate plus stable disease rate) was seen
in 77% of patients. The overall response rate for patients who received RAD001
alone was 8% (CI= 3.6-14.3). All confirmed responses were partial responses;
there were no complete responses. In addition, 69% of patients experienced
stable disease, 14% of patients experienced progressive disease and 10% of
patients had an unknown response. Responses were maintained for a median of
10.6 months (8.3-N/A). Further, the results demonstrate PFS of 9.3 months.
Median overall survival had not been reached at the time of data evaluation.
The most frequent adverse events in patients taking RAD001 alone were
stomatitis (44%), rash (40%), diarrhea (37%), fatigue (29%), nausea (26%),
vomiting (17%), asthenia (16%), anemia (12%) and weight decrease (11%).
Combination treatment group results
Clinical benefit (overall response rate plus stable disease rate) was seen
in 82% of patients. The overall response rate for patients who received RAD001
in combination with Sandostatin LAR Depot was 4% (CI= 0.5-15.1). All confirmed
responses were partial responses; there were no complete responses. The data
show that 78% of patients experienced stable disease, 2% of patients
experienced progressive disease and 16% of patients had an unknown response.
Further, the results demonstrate PFS of 12.9 months. Median overall survival
had not been reached at the time of data evaluation.
The most frequent adverse events in patients taking RAD001 with
Sandostatin LAR Depot were stomatitis (49%), rash (40%), diarrhea (29%),
fatigue (33%), nausea (33%), vomiting (13%), asthenia (11%), anemia (18%) and
weight decrease (16%).
About NET
The term "neuroendocrine tumor" or "NET," as defined by the World Health
Organization, refers to a diverse mixture of tumors that include pancreatic
NET and carcinoid tumors. The development of NET is not completely understood.
In some cases, NET can be part of inherited syndromes that affect the
endocrine system. Since they are relatively rare among cancers, there is no
routine screening. Like many other diseases, lifestyle factors, most notably
smoking, may increase risk for NET.
Pancreatic NET are diagnosed in approximately five per million patient
cases. Only 55% of people with pancreatic NET will survive for five years.
Pancreatic NET are most commonly found in men and women between the ages of 40
and 60 years of age.
About RAD001
RAD001, an oral once daily inhibitor of mTOR, is an investigational drug
being studied in multiple tumor types. The safety and efficacy profile of
RAD001 has not yet been established in oncology and there is no guarantee that
RAD001 will become commercially available for oncology indications. The active
ingredient in RAD001 is everolimus, which is available in different dosage
strengths under the trade name Certican(R) for the prevention of organ
rejection in heart and kidney transplant recipients. Certican was first
approved in the European Union in 2003.
RAD001 is being studied in two large Phase III studies in advanced NETs
(pancreatic NET and carcinoid). In addition to pancreatic NET, RAD001 is being
evaluated as a single agent or in combination with existing therapies in renal
cell carcinoma, lymphoma, breast, gastric, lung and other cancers, as well as
tuberous sclerosis.
About Sandostatin LAR Depot
Sandostatin LAR(R) Depot (octreotide acetate for injectable suspension) is
a long-acting, injectable depot formulation of octreotide acetate, a
somatostatin analogue that exerts similar pharmacologic effects on the human
body as the natural hormone somatostatin. However, octreotide is even more
potent than somatostatin at inhibiting growth hormone, glucagon and insulin.
Based on these attributes, octreotide has been used to treat the diarrhea and
flushing associated with carcinoid syndrome.
The active ingredient in Sandostatin LAR Depot, octreotide acetate, was
approved inthe United States in October 1988. In November 1998, the FDA
approved the long-acting formulation of octreotide acetate which Novartis
markets as Sandostatin LAR Depot. Through more than a decade, and 600,000
patient years of experience, Sandostatin LAR Depot has achieved a
long-standing track record of sustained efficacy and a well-established safety
profile.
Sandostatin LAR Depot important safety information
Adverse reactions identified in clinical studies include nausea, abdominal
pain, gas, constipation, vomiting, pain on injection, high or low blood sugar
levels and slow or irregular heart rate. Many patients developed gallstones,
although few patients required treatment.
Disclaimer
The foregoing release contains forward-looking statements that can be
identified by terminology such as "potential", "to confirm", "promise",
"proposed", "promising", "may", "will", or similar expressions, or by express
or implied discussions regarding potential marketing approvals for RAD001 or
regarding potential future revenues from RAD001. You should not place undue
reliance on these statements. Such forward-looking statements reflect the
current views of the Company regarding future events, and involve known and
unknown risks, uncertainties and other factors that may cause actual results
with RAD001 to be materially different from any future results, performance or
achievements expressed or implied by such statements. There can be no
guarantee that RAD001 will be approved for sale in any market. Nor can there
be any guarantee that RAD001 will achieve any particular levels of revenue in
the future. In particular, management's expectations regarding RAD001 could be
affected by, among other things, unexpected clinical trial results, including
unexpected new clinical data and unexpected additional analysis of existing
clinical data; unexpected regulatory actions or delays or government
regulation generally; 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 Pharmaceuticals Corporation researches, develops, manufactures
and markets leading innovative prescription drugs used to treat a number of
diseases and conditions, including those in the cardiovascular, metabolic,
cancer, organ transplantation, central nervous system, dermatological, GI and
respiratory areas. The company's mission is to improve people's lives by
pioneering novel healthcare solutions.
Located inEast Hanover, New Jersey, Novartis Pharmaceuticals Corporation
is an affiliate of Novartis AG (NYSE: NVS), which provides healthcare
solutions that address the evolving needs of patients and societies. Focused
solely on growth areas in healthcare, Novartis offers a diversified portfolio
to best meet these needs: innovative medicines, cost-saving generic
pharmaceuticals, preventive vaccines and 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 inBasel, Switzerland, Novartis Group companies employ
approximately 98,000 full-time associates and operate in over 140 countries
around the world. For more information, please visit http://www.novartis.com.
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