Erbitux
Generic name: cetuximab
Treatment for: Colorectal Cancer, Head and Neck Cancer
Erbitux sBLA Submitted for Advanced Non-Small Cell Lung Cancer
Erbitux Supplemental Biologics License Application for Advanced Non-Small Cell Lung Cancer Submitted to U.S. Food and Drug Administration
NEW YORK--(BUSINESS WIRE)--Dec 8, 2008 - ImClone Systems, a wholly-owned subsidiary of Eli Lilly and Company, and Bristol-Myers Squibb Company today announced that they have submitted an application to the U.S. Food and Drug Administration (FDA) to broaden the use of Erbitux (cetuximab) to include first-line treatment of patients with advanced non-small cell lung cancer (NSCLC) in combination with platinum-based chemotherapy (cisplatin/vinorelbine). Bristol-Myers Squibb is ImClone's partner for Erbitux in North America. The FDA will notify ImClone whether it has accepted the submission for review in February 2009.
"This submission reflects our continued efforts to maximize the potential of Erbitux by broadening its approved uses to include new indications such as non-small cell lung cancer, a disease for which there are few impactful treatments and for which less than one in five advanced-stage patients currently receive biologic-based combination therapy in the first-line setting," said Eric K. Rowinsky, M.D., Executive Vice President and Chief Medical Officer of ImClone.
"Lung cancer is the leading cause of cancer mortality for both men and women in the U.S., and there is a great unmet medical need in treating this disease," said Maurizio Voi, M.D., Executive Director, Oncology Global Medical Affairs, Bristol-Myers Squibb. "The submission of the NSCLC application to the FDA further demonstrates the companies' commitment to bringing innovative oncology treatments to people with cancer."
The submission is based primarily on data from the pivotal, multinational FLEX (First-line in Lung cancer with ErbituX) Phase 3 study which demonstrated that the addition of Erbitux to cisplatin/vinorelbine significantly increased overall survival in the first-line treatment of patients with advanced NSCLC when compared with cisplatin/vinorelbine alone. This improvement in overall survival, the study's primary endpoint, was observed across all histological subtypes, patient performance status (a measure of well-being), age, previous smoking history, and gender groups.
The FLEX study, conducted by Merck KGaA, Darmstadt, Germany, ImClone's Erbitux partner outside of North America, enrolled more than 1,100 patients with Stage IIIB with malignant pleural effusion or Stage IV NSCLC who had not previously received chemotherapy.
For patients receiving Erbitux in combination with cisplatin/vinorelbine, median overall survival was prolonged by 1.2 months when compared to cisplatin/vinorelbine alone (11.3 months vs. 10.1 months) with a hazard ratio (HR) of 0.871 [95% Confidence Interval (CI) = 0.762-0.996], p=0.044.
Grade 3/4 adverse events were reported in 91 percent of patients in the Erbitux plus cisplatin/vinorelbine arm compared with 86 percent of patients in the cisplatin/vinorelbine alone arm. Grade 3/4 adverse events reported in patients in the Erbitux plus cisplatin/vinorelbine versus cisplatin/vinorelbine alone arms included: neutropenia (53 percent vs 51 percent), febrile neutropenia (22 percent vs 15 percent), anemia (14 percent vs 17 percent), grade 3 acne-like rash (10 percent vs <1 percent), diarrhea (5 percent vs 2 percent), and infusion-related reactions (4 percent vs <1 percent). Findings from the FLEX study were presented at the American Society of Clinical Oncology (ASCO) meeting in June 2008.
Also, as previously announced, Merck KGaA submitted an application to the European Medicines Agency (EMEA) in September 2008 to broaden the use of Erbitux to include first-line treatment of patients with NSCLC.
About Lung Cancer
The American Cancer Society estimates that in the United States, more than 215,000 people will be diagnosed with lung cancer in 2008, which accounts for about 15 percent of all cancer diagnoses. Approximately 87 percent of these patients will be diagnosed with NSCLC, with many being diagnosed with locally advanced or metastatic disease. More than 161,000 deaths from lung cancer are expected to occur in 2008 – accounting for about 29 percent of all cancer deaths.
Erbitux (cetuximab) is a monoclonal antibody (IgG1 Mab) designed to inhibit the function of a molecular structure expressed on the surface of normal and tumor cells called the epidermal growth factor receptor (EGFR, HER1, c-ErbB-1). In vitro assays and in vivo animal studies have shown that binding of Erbitux to the EGFR blocks phosphorylation and activation of receptor-associated kinases, resulting in inhibition of cell growth, induction of apoptosis, and decreased matrix metalloproteinase and vascular endothelial growth factor production. In vitro, Erbitux can mediate antibody-dependent cellular cytotoxicity (ADCC) against certain human tumor types. In vitro assays and in vivo animal studies have shown that Erbitux inhibits the growth and survival of tumor cells that express the EGFR. No anti-tumor effects of Erbitux were observed in human tumor xenografts lacking EGFR expression.
Squamous Cell Carcinoma of the Head and Neck (SCCHN)
Erbitux, in combination with radiation therapy, is indicated for the initial treatment of locally or regionally advanced squamous cell carcinoma of the head and neck. Erbitux, as a single agent, is indicated for the treatment of patients with recurrent or metastatic squamous cell carcinoma of the head and neck for whom prior platinum-based therapy has failed.
IMPORTANT SAFETY INFORMATION
Infusion Reactions
- Grade 3/4 infusion reactions occurred in approximately 3% of patients receiving Erbitux® (cetuximab) in clinical trials, with fatal outcome reported in less than 1 in 1000
- Serious infusion reactions, requiring medical intervention and immediate, permanent discontinuation of Erbitux, included rapid onset of airway obstruction (bronchospasm, stridor, hoarseness), hypotension, shock, loss of consciousness, myocardial infarction, and/or cardiac arrest
- Most (90%) of the severe infusion reactions were associated with the first infusion of Erbitux despite premedication with antihistamines
- Caution must be exercised with every Erbitux infusion, as there were patients who experienced their first severe infusion reaction during later infusions
- Monitor patients for 1 hour following Erbitux infusions in a setting with resuscitation equipment and other agents necessary to treat anaphylaxis (e.g., epinephrine, corticosteroids, intravenous antihistamines, bronchodilators, and oxygen). Longer observation periods may be required in patients who require treatment for infusion reactions
Cardiopulmonary Arrest
- Cardiopulmonary arrest and/or sudden death occurred in 4 (2%) of 208 patients with squamous cell carcinoma of the head and neck treated with radiation therapy and Erbitux, as compared to none of 212 patients treated with radiation therapy alone. Fatal events occurred within 1 to 43 days after the last Erbitux treatment
- Carefully consider the use of Erbitux in combination with radiation therapy in head and neck cancer patients with a history of coronary artery disease, congestive heart failure or arrhythmias in light of these risks
- Closely monitor serum electrolytes including serum magnesium, potassium, and calcium during and after Erbitux therapy
Pulmonary Toxicity
- Interstitial lung disease (ILD), which was fatal in one case, occurred in 4 of 1570 (<0.5%) patients receiving Erbitux in clinical trials. Interrupt Erbitux for acute onset or worsening of pulmonary symptoms. Permanently discontinue Erbitux where ILD is confirmed
Dermatologic Toxicities
- In clinical studies of Erbitux, dermatologic toxicities, including acneform rash, skin drying and fissuring, paronychial inflammation, infectious sequelae (eg, S. aureus sepsis, abscess formation, cellulitis, blepharitis, conjunctivitis, keratitis, cheilitis), and hypertrichosis, occurred in patients receiving Erbitux therapy. Acneform rash occurred in 76-88% of 1373 patients receiving Erbitux in clinical trials. Severe acneform rash occurred in 1-17% of patients
- Acneform rash usually developed within the first two weeks of therapy and resolved in a majority of the patients after cessation of treatment, although in nearly half, the event continued beyond 28 days
- Monitor patients receiving Erbitux for dermatologic toxicities and infectious sequelae
- Sun exposure may exacerbate these effects
Erbitux Plus Radiation Therapy and Cisplatin
- The safety of Erbitux in combination with radiation therapy and cisplatin has not been established
- Death and serious cardiotoxicity were observed in a single-arm trial with Erbitux, radiation therapy, and cisplatin (100 mg/m2) in patients with locally advanced squamous cell carcinoma of the head and neck
- Two of 21 patients died, one as a result of pneumonia and one of an unknown cause
- Four patients discontinued treatment due to adverse events. Two of these discontinuations were due to cardiac events
Electrolyte Depletion
- Hypomagnesemia occurred in 55% (199/365) of patients receiving Erbitux and was severe (NCI CTC grades 3 & 4) in 6-17%. The onset of hypomagnesemia and accompanying electrolyte abnormalities occurred days to months after initiation of Erbitux therapy
- Monitor patients periodically for hypomagnesemia, hypocalcemia and hypokalemia, during, and for at least 8 weeks following the completion of, Erbitux therapy
- Replete electrolytes as necessary
Late Radiation Toxicities
- The overall incidence of late radiation toxicities (any grade) was higher with Erbitux in combination with radiation therapy compared with radiation therapy alone. The following sites were affected: salivary glands (65%/56%), larynx (52%/36%), subcutaneous tissue (49%/45%), mucous membranes (48%/39%), esophagus (44%/35%), and skin (42%/33%) in the Erbitux and radiation versus radiation alone arms, respectively
- The incidence of grade 3 or 4 late radiation toxicities were similar between the radiation therapy alone and the Erbitux plus radiation therapy arms
Pregnancy
- In women of childbearing potential, appropriate contraceptive measures must be used during treatment with Erbitux and for 6 months following the last dose of Erbitux. Erbitux should only be used during pregnancy if the potential benefit justifies the potential risk to the fetus
Adverse Events
- The most serious adverse reactions associated with Erbitux across all studies were infusion reactions, cardiopulmonary arrest, dermatologic toxicity and radiation dermatitis, sepsis, renal failure, interstitial lung disease, and pulmonary embolus
- The most common adverse reactions associated with Erbitux (incidence (>=)25%) are cutaneous adverse reactions (including rash, pruritus, and nail changes), headache, diarrhea, and infection
- The most frequent adverse events seen in patients with carcinomas of the head and neck receiving Erbitux in combination with radiation therapy (n=208) versus radiation alone (n=212) (incidence ‰¥50%) were acneform rash (87%/10%), radiation dermatitis (86%/90%), weight loss (84%/72%), and asthenia (56%/49%). The most common grade 3/4 adverse events for Erbitux in combination with radiation therapy ((>=)10%) included: radiation dermatitis (23%), acneform rash (17%), and weight loss (11%)
About ImClone Systems
ImClone Systems, a wholly-owned subsidiary of Eli Lilly and Company, is committed to advancing oncology care by developing and commercializing a portfolio of targeted biologic treatments designed to address the medical needs of patients with a variety of cancers. ImClone's research and development programs include growth factor blockers and angiogenesis inhibitors. ImClone's research operations are located in New York City, with additional administration and manufacturing facilities in Branchburg, New Jersey. Additional information about ImClone is available at www.imclone.com.
Lilly, a leading innovation-driven corporation, is developing a growing portfolio of first-in-class and best-in-class pharmaceutical products by applying the latest research from its own worldwide laboratories and from collaborations with eminent scientific organizations. Headquartered in Indianapolis, Ind., Lilly provides answers – through medicines and information – for some of the world's most urgent medical needs. Additional information about Lilly is available at www.lilly.com.
Bristol-Myers Squibb is a global biopharmaceutical company whose mission is to extend and enhance human life. For more information, visit www.bms.com.
This press release contains "forward-looking statements" as that term is defined in the Private Securities Litigation Reform Act of 1995 regarding product development. Such forward-looking statements are based on current expectations and involve inherent risks and uncertainties, including factors that could delay, divert or change any of them, and could cause actual outcomes and results to differ materially from current expectations. Among other risks, there can be no guarantee that the supplemental application will be approved. Forward-looking statements in this press release should be evaluated together with the many uncertainties that affect Bristol-Myers Squibb's and Lilly's businesses, particularly those identified in the cautionary factors discussion in Bristol-Myers Squibb's and Lilly's Annual Reports on Form 10-K for the year ended December 31, 2007, in their Quarterly Reports on Form 10-Q and their Current Reports on Form 8-K. Neither Bristol-Myers Squibb nor Lilly undertakes any obligation to publicly update any forward-looking statement, whether as a result of new information, future events or otherwise.
Contact: ImClone Systems
Tracy Henrikson, 908-243-9945
Tracy.Henrikson@imclone.com
or
Eli Lilly and Company
Christine Van Marter, 317-651-1473
vanmarterch@lilly.com
or
Bristol-Myers Squibb
Media:
Brian Henry, 609-252-3337
Brian.Henry@bms.com
or
Investors:
John Elicker, 609-252-4611
John.Elicker@bms.com
Posted: December 2008
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- FDA Approves Erbitux to Treat Late-stage Head and Neck Cancer - November 7, 2011
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- ImClone Submits Supplemental Biologics License Application for Erbitux in First-Line Head and Neck Cancer - September 3, 2008
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- ImClone Systems Incorporated and Bristol-Myers Squibb File Supplemental Biologics License Application for Erbitux for Treatment of Head and Neck Cancer - August 30, 2005
- FDA Approves Erbitux (cetuximab) to Treat Irinotecan Refractory or Intolerant Metastatic Colorectal Cancer - February 12, 2004
Erbitux (cetuximab) FDA Approval History
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