Phase III Study Shows Novartis Drug AfinitorÂ® More Than Doubles Time Without Tumor Growth in Advanced Pancreatic NET Patients
EAST HANOVER, N.J., July 1 /PRNewswire/ — Novartis Pharmaceuticals Corporation (“Novartis”) announced today that results of a Phase III study show AfinitorÃ‚® (everolimus) tablets plus best supportive care (BSC) more than doubled progression-free survival, or time without tumor growth, versus placebo plus BSC in patients with advanced pancreatic neuroendocrine tumors (NET). The study, RADIANT-3 (RAD001 In Advanced Neuroendocrine Tumors), was presented at the 12th World Congress on Gastrointestinal Cancer and is part of the largest clinical trial program in patients with advanced NET(1).
Afinitor is approved for the treatment of patients with advanced renal cell carcinoma (RCC) after failure of treatment with sunitinib or sorafenib(4).
Findings from the RADIANT-3 study demonstrated that everolimus extended the median time without tumor growth from 4.6 to 11.0 months when compared with placebo. Additionally, the data showed everolimus reduced the risk of cancer progression by 65% (hazard ratio=0.35 [95% confidence interval, 0.27 to 0.45]; p<0.0001)(1).
“It’s encouraging to see that by targeting the mTOR pathway, treatment with everolimus can provide a significant progression-free survival advantage over placebo in patients with advanced pancreatic NET,” said James Yao, MD, Associate Professor of Medicine, The University of Texas MD Anderson Cancer Center. “These results further validate earlier trials and demonstrate the potential benefit everolimus can provide to these patients.”
Pancreatic NET can grow aggressively and at time of diagnosis nearly 60% of all patients have advanced disease, meaning the cancer has spread to other parts of the body and has become more difficult to treat(2,3). The median overall survival for patients with advanced pancreatic NET is 24 months(5). Currently, surgery and chemotherapy are the only available treatment options for patients with advanced pancreatic NET(2).
“Our commitment to patients with advanced NET continues with the RADIANT trial program, which is the largest in patients with advanced NET,” said Herve Hoppenot, President, Novartis Oncology. “With this study, Novartis continues to make progress towards our goal of providing patients with treatment options for this rare and hard to treat cancer.”
RADIANT-3 is a Phase III prospective, double-blind, randomized, parallel group, placebo-controlled, multicenter study. The trial examined the efficacy and safety of everolimus plus BSC versus placebo plus BSC in 410 patients with advanced pancreatic NET, also known as islet cell tumors. Patients who met the study entry criteria were randomized 1:1 to receive either daily everolimus (10 mg) or daily placebo orally(1).
The primary endpoint of RADIANT-3 is progression-free survival. Secondary endpoints include safety, objective response rate and overall survival. Additional study findings will be submitted for presentation at the 35th European Society for Medical Oncology Congress (ESMO) in Milan, Italy later this year.
In the study, everolimus had a safety profile consistent with previous studies of this drug. Adverse events observed (>20%) in the everolimus arm included stomatitis (53.9%), rash (52.5%), diarrhea (46.6%), fatigue (43.6%), edema peripheral (35.8%), nausea (31.9%), headache (29.9%), pyrexia (29.4%), decreased appetite (28.9%), vomiting (28.4%), weight loss (27.9%), abdominal pain (23.5%), anemia (22.1%), cough (21.6%) and epistaxis (21.1%)(1).
About neuroendocrine tumors (NET)
Neuroendocrine tumors arise from cells that can produce and secrete a variety of hormones that regulate bodily functions. There are many types of NET that can occur throughout the body; however, most are found in the gastrointestinal tract, pancreas and lungs(5). Because NET are relatively rare, there is no routine screening and patients often experience delays of five to seven years before receiving an accurate diagnosis(5,6). As a result of this, patients with NET often have advanced disease when diagnosed(6). Although considered a rare cancer, the incidence of NET is increasing dramatically, having quadrupled in the past 30 years(5).
In the US, everolimus is approved under the trade name AfinitorÃ‚® (everolimus) tablets for the treatment of patients with advanced renal cell carcinoma (RCC) after failure of treatment with sunitinib or sorafenib. In the European Union (EU), Afinitor is approved for the treatment of patients with advanced RCC whose disease has progressed on or after treatment with vascular endothelial growth factor (VEGF)-targeted therapy.
In the US, everolimus is available in different dosage strengths under the trade name ZortressÃ‚® for the prophylaxis of organ rejection in adult patients at low-moderate immunologic risk receiving a kidney transplant. In the EU, everolimus is available in different dosage strengths under the trade name CerticanÃ‚® for the prevention of organ rejection in heart and kidney transplant recipients.
As an investigational compound, the safety and efficacy profile of everolimus has not yet been established in NET. Access to everolimus for NET has been carefully controlled and monitored in clinical trials designed to better understand the potential benefits and risks of the compound. Because of the uncertainty of clinical trials, there is no guarantee that everolimus will become commercially available for NET anywhere in the world.
Afinitor (everolimus) tablets important safety information
Afinitor is contraindicated in patients with hypersensitivity to everolimus, to other rapamycin derivatives or to any of the excipients. Potentially serious adverse reactions to Afinitor include non-infectious pneumonitis and infections, for which patients should be monitored carefully and treated as needed. In addition, non-infectious pneumonitis may require temporary dose reduction and/or interruption or discontinuation. Patients with systemic invasive fungal infections should not receive Afinitor. Oral ulceration is a common side effect of Afinitor. Renal function, blood glucose, lipids and hematological parameters should be evaluated prior to the start of therapy with Afinitor and periodically thereafter. Strong or moderate CYP3A4 or P-glycoprotein inhibitors should be avoided. An increase in the dose of Afinitor is recommended when co-administered with a strong CYP3A4 inducer. Live vaccinations and close contact with those who have received live vaccines should be avoided by patients taking Afinitor. Afinitor should not be used in patients with severe hepatic impairment. Afinitor may cause fetal harm in pregnant women.
The most common adverse reactions, irrespective of causality (incidence greater than or equal to 30%), were stomatitis (44%), infections (37%), asthenia (33%), fatigue (31%), cough (30%) and diarrhea (30%). The most common grade 3/4 adverse reactions, irrespective of causality (incidence greater than or equal to 3%), were infections (9%), dyspnea (8%), fatigue (5%), stomatitis (4%), dehydration (4%), pneumonitis (4%), abdominal pain (3%) and asthenia (3%). The most common laboratory abnormalities (incidence greater than or equal to 50%) were anemia (92%), hypercholesterolemia (77%), hypertriglyceridemia (73%), hyperglycemia (57%), lymphopenia (51%) and increased creatinine (50%). The most common grade 3/4 laboratory abnormalities (incidence greater than or equal to 3%) were lymphopenia (18%), hyperglycemia (16%), anemia (13%), hypophosphatemia (6%) and hypercholesterolemia (4%). Deaths due to acute respiratory failure (0.7%), infection (0.7%) and acute renal failure (0.4%) were observed in patients receiving Afinitor.
The foregoing release contains forward-looking statements that can be identified by terminology such as “risk,” “planned,” “encouraging,” “can,” “potential,” “commitment,” “goal,” “will,” or similar expressions, or by express or implied discussions regarding potential new indications or labeling 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 submitted or approved for any additional indications or labeling 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 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.
Located in East Hanover, New Jersey, Novartis Pharmaceuticals Corporation is an affiliate of Novartis AG, which 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 2009, the Group’s continuing operations achieved net sales of USD 44.3 billion, while approximately USD 7.5 billion was invested in R&D activities throughout the Group. Headquartered in Basel, Switzerland, Novartis Group companies employ approximately 100,000 full-time-equivalent associates and operate in more than 140 countries around the world. For more information, please visit http://www.us.novartis.com.
- Yao, et al. Everolimus versus placebo in patients with advanced pancreatic neuroendocrine tumors (pNET) (RADIANT-3). 12th World Congress on Gastrointestinal Cancer, Barcelona. July 1, 2010.
- National Library of Medicine and the National Institutes of Health. Pancreatic islet cell tumor. Available at http://www.nlm.nih.gov/medlineplus/ency/article/000393.htm. Accessed May 2010.
- Halfdanarson, et al. Pancreatic neuroendocrine tumors (PNETs): incidence, prognosis and recent trend toward improved survival. Annals of Onc 19: 1727-1733, 2008.
- AfinitorÃ‚® (everolimus) tablets EU summary of product characteristics. Basel, Switzerland: Novartis International AG; August 2009.
- Yao, et al. One Hundred Years After “Carcinoid:” Epidemiology of and Prognostic Factors for Neuroendocrine Tumors in 35,825 Cases in the United States. Journal of Clinical Oncology. June 20 2009; vol. 26, number 18.
- Modlin, et al. Priorities for Improving the Management of Gasteroenteropancreatic Neuroendocrine Tumors. J Natl Cancer Inst 2008;100:1282-1289.
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