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News Release - March 17, 2010
ABRAXANE Meets Primary Endpoint in Phase 3 Trial for Advanced Non-Small Cell Lung CancerABRAXANE, Carboplatin Combination Demonstrated Superiority to Taxol, Carboplatin in 1st Line Non-Small Cell Lung Cancer
LOS ANGELES--(HSMN NewsFeed)--Abraxis BioScience, Inc. (NASDAQ:ABII ) today announced that its randomized registrational Phase 3 clinical trial comparing ABRAXANE® (protein-bound paclitaxel) with Taxol® (paclitaxel) injection, both in combination with carboplatin, met the study’s primary endpoint by demonstrating that ABRAXANE showed a significant improvement in overall response rate as compared to Taxol, in the first-line treatment of patients with advanced non-small cell lung cancer (NSCLC), as assessed by independent radiologist review.
The Phase 3 trial completed enrollment of 1,052 patients in July 2009 at 102 sites globally and was led by principal investigator Mark Socinski, M.D., at the University of North Carolina Lineberger Comprehensive Cancer Center. It is one of the largest NSCLC clinical studies to be conducted. “This is exciting news for lung cancer patients and has important implications not only in late stage cancer but also in earlier stages of the disease,” Socinski said. The data will be submitted for consideration as a late breaking presentation at the upcoming American Society of Clinical Oncology (ASCO) meeting.
This trial is the subject of a special protocol assessment (SPA) with the FDA, which means that the design, clinical endpoints and statistical analyses of the trial have been previously agreed upon by the FDA. Specifically, the FDA agreed that the demonstration of a statistically superior response rate of the ABRAXANE and carboplatin combination over the Taxol and carboplatin combination would be sufficient to submit a supplemental new drug application (sNDA)(as a 505(b)(2) submission) for approval of ABRAXANE in combination with carboplatin for first line NSCLC.
“NSCLC is the most common form of lung cancer and is very difficult to treat. We are extremely pleased with the data from this Phase 3 combination study that demonstrated superiority of ABRAXANE over Taxol as we seek to bring new treatment options to these patients,” said Patrick Soon-Shiong, M.D., Executive Chairman and founder of Abraxis BioScience. “We anticipate filing an sNDA to the FDA during 2011 for what will be the second indication for ABRAXANE in the U.S.”
NSCLC accounts for approximately 85% of all lung cancer cases. The American Cancer Society (ACS) estimates that approximately 219,440 people will be diagnosed with lung cancer in the United States in 2009, and that approximately 159,000 deaths occur each year due to this cancer.i
ABRAXANE is a solvent-free chemotherapy treatment option for metastatic breast cancer which was developed using Abraxis BioScience's proprietary nab® technology platform. This protein-bound chemotherapy agent combines paclitaxel with albumin, a naturally-occurring human protein. By wrapping the albumin around the active drug, ABRAXANE can be administered to patients at higher doses, delivering higher concentrations of paclitaxel to the tumor site than solvent-based paclitaxel. ABRAXANE is currently in various stages of investigation for the treatment of the following cancers: expanded applications for metastatic breast, non-small cell lung, malignant melanoma, pancreatic and gastric.
The U.S. Food and Drug Administration approved ABRAXANE for Injectable Suspension (paclitaxel protein-bound particles for injectable suspension) (albumin-bound) in January 2005 for the treatment of breast cancer after failure of combination chemotherapy for metastatic disease or relapse within six months of adjuvant chemotherapy. Prior therapy should have included an anthracycline unless clinically contraindicated. For the full prescribing information for ABRAXANE please visit www.abraxane.com.
IMPORTANT SAFETY INFORMATION
The use of ABRAXANE has not been studied in patients with hepatic or renal dysfunction. In the randomized controlled trial, patients were excluded for baseline serum bilirubin >1.5 mg/dL or baseline serum creatinine >2 mg/dL.
ABRAXANE can cause fetal harm when administered to a pregnant woman. Women of childbearing potential should be advised to avoid becoming pregnant while receiving treatment with ABRAXANE.
Men should be advised to not father a child while receiving treatment with ABRAXANE. It is recommended that nursing be discontinued when receiving ABRAXANE therapy. ABRAXANE contains albumin (human), a derivative of human blood.
Caution should be exercised when administering ABRAXANE concomitantly with known substrates or inhibitors of CYP2C8 and CYP3A4.
ABRAXANE therapy should not be administered to patients with metastatic breast cancer who have baseline neutrophil counts of less than 1,500 cells/mm3. It is recommended that frequent peripheral blood cell counts be performed on all patients receiving ABRAXANE. Patients should not be retreated with subsequent cycles of ABRAXANE until neutrophils recover to a level >1,500 cells/mm3 and platelets recover to a level >100,000 cells/mm3 In the case of severe neutropenia (<500 cells/mm3 for 7 days or more) during a course of ABRAXANE therapy, a dose reduction for subsequent courses is recommended. Sensory neuropathy occurs frequently with ABRAXANE.
If grade 3 sensory neuropathy develops, treatment should be withheld until resolution to grade 1 or 2 followed by a dose reduction for all subsequent courses of ABRAXANE. Severe cardiovascular events possibly related to single-agent ABRAXANE occurred in approximately 3% of patients in the randomized trial. These events included chest pain, cardiac arrest, supraventricular tachycardia, edema, thrombosis, pulmonary thromboembolism, pulmonary embolism, and hypertension.
In the randomized metastatic breast cancer study, the most important adverse events included alopecia (90%), neutropenia (all cases 80%; severe 9%), sensory neuropathy (any symptoms 71%; severe 10%), asthenia (any 47%; severe 8%), myalgia/arthralgia (any 44%; severe 8%), anemia (all 33%; severe 1%), infections (24%), nausea (any 30%; severe 3%), vomiting (any 18%; severe 4%), diarrhea (any 27%; severe <1%), and mucositis (any 7%; severe <1%).
Other adverse reactions have included ocular/visual disturbances (any 13%; severe 1%), fluid retention (any 10%; severe 0%), hepatic dysfunction (elevations in bilirubin 7%, alkaline phosphatase 36%, AST [SGOT] 39%), renal dysfunction (any 11%; severe 1%), thrombocytopenia (any 2%; severe <1%), hypersensitivity reactions (any 4%; severe 0%), cardiovascular reactions (severe 3%), and injection site reactions (<1%). During postmarketing surveillance, rare occurrences of severe hypersensitivity reactions have been reported with ABRAXANE.
About Abraxis BioScience, Inc.
Abraxis BioScience is a fully integrated global biotechnology company dedicated to the discovery, development and delivery of next-generation therapeutics and core technologies that offer patients safer and more effective treatments for cancer and other critical illnesses. The company's portfolio includes chemotherapeutic compound (ABRAXANE®), which is based on the company's proprietary tumor targeting technology known as the nab® platform. The first FDA approved product to use this nab platform, ABRAXANE, was launched in 2005 for the treatment of metastatic breast cancer and is now approved in 39 countries. The company continues to expand the nab platform through a robust clinical program and deep product pipeline. Abraxis trades on the NASDAQ Global Market under the symbol ABII. For more information about the company and its products, please visit www.abraxisbio.com.
The statements contained in this press release that are not purely historical are forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended. Forward-looking statements in this press release include statements regarding our expectations, beliefs, hopes, goals, intentions, initiatives or strategies, including statements regarding the clinical development plan, and the timing and scope of clinical studies and trials, for ABRAXANE and the global commercialization of ABRAXANE. Because these forward-looking statements involve risks and uncertainties, there are important factors that could cause actual results to differ materially from those in the forward-looking statements. These factors include, without limitation, the fact that results from pre-clinical studies may not be predictive of results to be obtained in other pre-clinical studies or future clinical trials; delays in commencement and completion of clinical studies or trials, including slower than anticipated patient enrollment and adverse events occurring during the clinical trials; decisions by regulatory authorities regarding whether and when to approve ABRAXANE or product candidates for various indications as well as their decisions regarding labeling and other matters that could affect the availability or commercial potential of ABRAXANE and other products and product candidates; unexpected safety, efficacy or manufacturing issues with respect to ABRAXANE or product candidates; the need for additional data or clinical studies for ABRAXANE or product candidates; regulatory developments (domestic or foreign) involving the company’s manufacturing facilities; the market adoption and demand of ABRAXANE and other products, the costs associated with the ongoing launch of ABRAXANE; research and development associated with the nab® technology platform; the impact of pharmaceutical industry regulation; the impact of competitive products and pricing; the availability and pricing of ingredients used in the manufacture of pharmaceutical products; the ability to successfully manufacture products in a time-sensitive and cost effective manner; the acceptance and demand of new pharmaceutical products; and the impact of patents and other proprietary rights held by competitors and other third parties. Additional relevant information concerning risks can be found in the company’s Annual Report on Form 10-K for the year ended December 31, 2009 and in other documents it has filed with the Securities and Exchange Commission.
The information contained in this press release is as of the date of this release. Abraxis assumes no obligations to update any forward-looking statements contained in this press release as the result of new information or future events or developments.
TAXOL® is a registered trademark of Bristol-Myers Squibb Company.
i Cancer Facts & Figures 2008. American Cancer Society publication. http://www.cancer.org/downloads/STT/500809web.pdf. Pg. 15,
Source: Abraxis BioScience
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