ERBITUX in Combination with FOLFOX or FOLFIRI Approved as First-Line Therapy for Patients in China with RAS Wild-Type Metastatic Colorectal Cancer

  • Approval is for ERBITUX® in combination with FOLFOX or FOLFIRI for first-line treatment, or in combination with irinotecan in patients who are refractory to irinotecan-based chemotherapy
  • Pivotal Phase III evidence shows significant improvements with  ERBITUX®  in combination with FOLFOX versus FOLFOX alone in response rate, disease progression and survival
  • This marks a meaningful step forward in Merck's commitment as a global specialty innovator - including bringing innovative medicines to markets with high unmet medical needs 

Merck, a leading science and technology company, today announced that ERBITUX® (cetuximab) has been granted approval by the National Medical Products Administration (NMPA) of China for the first-line treatment for patients with RAS wild-type (wt) metastatic colorectal cancer (mCRC) in combination with FOLFOX or FOLFIRI, or in combination with irinotecan in patients who are refractory to irinotecan-based chemotherapy. The pivotal Phase III evidence from the TAILOR study, on which the approval was based, shows significant benefit in overall response rate (ORR), progression-free survival (PFS) and overall survival (OS) for patients treated with ERBITUX® in combination with FOLFOX, compared to FOLFOX alone, in the first-line setting for this challenging type of cancer.1,2

"ERBITUX®, in combination with chemotherapy, has long been a standard of care for the treatment of RAS wild-type mCRC and the TAILOR study further demonstrates the possibilities it can bring in the first-line setting," said Professor Jin Li, Tongji University Shanghai East Hospital, China and principal investigator in the TAILOR study. "This approval marks an important development for patients in China, who now have the benefit of a new and much needed treatment option."

"ERBITUX® is globally recognized as a first-line standard of care for the treatment of RAS wild-type mCRC. We welcome the National Medical Products Administration's decision to make it available to Chinese patients in the first-line setting," said Chris Round, Head of International Operations and Global Core Franchises, Merck. "This approval is a significant step forward in Merck's commitment as a global specialty innovator - including bringing innovative medicines to markets with high unmet medical needs."

As the third most commonly diagnosed cancer, it is estimated that 1.85 million new cases of colorectal cancer (CRC) are diagnosed every year worldwide.3 Based on this statistic, the global burden of CRC is expected to increase by nearly 20% to more than 2.2 million new cases and approximately 1.1 million deaths by 2030.4 In China, CRC has the fifth highest incidence among all cancers in men and the fourth in women.5

The approval is based on the TAILOR study of 393 randomized patients from China with RAS wt mCRC, which found that adding ERBITUX® to FOLFOX as a first-line treatment for mCRC delays the risk of a PFS event (disease progression or death) occurring by 31% (hazard ratio [HR]: 0.69; p=0.004); reduces the risk of death by 24% (HR: 0.76; p=0.02) and achieves an ORR of 61.1% (versus 39.5% with FOLFOX alone; odds ratio [OR]: 2.41; p<0.001). The safety profile of ERBITUX® observed in TAILOR is similar to that seen in prior randomized clinical trials, with no unexpected safety findings.1

TAILOR is the first Phase III trial in the Chinese population to prospectively evaluate an anti-epidermal growth factor receptor (EGFR) antibody in the first-line treatment of patients with RAS wt mCRC and reinforces the value and importance of RAS biomarker testing in clinical practice to provide patients with the right targeted therapy from the start of treatment. The data are consistent with previous international pivotal studies and reaffirm the efficacy of ERBITUX® in combination with FOLFOX as a first-line treatment for patients with RAS wt mCRC.

ERBITUX® has obtained marketing authorization in over 100 countries worldwide for the treatment of RAS wt mCRC and/or squamous cell carcinoma of the head and neck (SCCHN). In the EU, ERBITUX® is indicated as first-line therapy for patients with RAS wt mCRC tumors together with the oxaliplatin-containing regimen FOLFOX, or together with regimens containing irinotecan-based regimens in any line of treatment, or as a single agent in patients who have failed oxaliplatin- and irinotecan-based therapy and who are intolerant to irinotecan.6

About mCRC

Approximately half of patients with mCRC have RAS wild-type tumors and half have RAS mutant tumors.7 Results from studies assessing RAS mutation status in patients with mCRC have shown that anti-epidermal growth factor receptor (EGFR) monoclonal antibody therapies, such as ERBITUX® (cetuximab), can improve outcomes in patients with RAS wild-type mCRC.1-2,6 Colorectal cancer (CRC) is the third most common cancer worldwide, with an estimated incidence of more than 1.85 million new cases annually.3 An estimated 880,000 deaths from CRC occur worldwide every year, accounting for 9.2% of all cancer deaths and making it the second most common cause of death from cancer.3 Almost 55% of CRC cases are diagnosed in developed regions of the world8, and incidence and mortality rates are substantially higher in men than in women.3

About ERBITUX® (cetuximab)

ERBITUX® is a IgG1 monoclonal antibody targeting the epidermal growth factor receptor (EGFR). As a monoclonal antibody, the mode of action of ERBITUX® is distinct from standard non-selective chemotherapy treatments in that it specifically targets and binds to the EGFR. This binding inhibits the activation of the receptor and the subsequent signal-transduction pathway, which results in reducing both the invasion of normal tissues by tumor cells and the spread of tumors to new sites. It is also believed to inhibit the ability of tumor cells to repair the damage caused by chemotherapy and radiotherapy and to inhibit the formation of new blood vessels inside tumors, which appears to lead to an overall suppression of tumor growth. Based on in vitro evidence, ERBITUX® also targets cytotoxic immune effector cells towards EGFR expressing tumor cells (antibody dependent cell-mediated cytotoxicity, ADCC).

Very commonly reported side effects with ERBITUX® include acne-like skin rash, mild to moderate infusion-related reactions and hypomagnesemia.

ERBITUX® has already obtained market authorization in over 100 countries worldwide for the treatment of RAS wild-type metastatic colorectal cancer and for the treatment of squamous cell carcinoma of the head and neck (SCCHN). Merck licensed the right to market ERBITUX®, a registered trademark of ImClone LLC, outside the U.S. and Canada from ImClone LLC, a wholly-owned subsidiary of Eli Lilly and Company, in 1998. 

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References

  1. Qin S, et al. Efficacy and Tolerability of First-Line Cetuximab Plus Leucovorin, Fluorouracil, and Oxaliplatin (FOLFOX-4) Versus FOLFOX-4 in Patients With RAS Wild-Type Metastatic Colorectal Cancer: The Open-Label, Randomized, Phase III TAILOR Trial. Journal of Clinical Oncology, 2018; 36(30): 3031-39
  2. Van Cutsem E, et al. Fluorouracil, leucovorin, and irinotecan plus cetuximab treatment and RAS mutations in colorectal cancer. Journal of Clinical Oncology, 2015; 33: 692-701
  3. Globocan 2018: http://gco.iarc.fr/today/data/factsheets/cancers/10_8_9-Colorectum-fact-sheet.pdf. Last accessed April 2019
  4. Arnold M, et al. Global patterns and trends in colorectal cancer incidence and mortality. Gut, 2017; 66:683-91
  5. ESMO. Cancer in China. 2016. https://www.esmo.org/Oncology-News/Cancer-in-China. Last accessed April 2019
  6. ESMO Clinical Practice Guidelines. Metastatic Colorectal Cancer. 2014https://www.esmo.org/Guidelines/Gastrointestinal-Cancers/Metastatic-Colorectal-Cancer Last accessed April 2019
  7. Vaughn CP et al. Genes Chromosomes Cancer. 2011;50(5):307−12
  8. Navarro M et al. Colorectal cancer population screening programs worldwide in 2016: An update. World J Gastroenterol, 2017; 23 (20): 3632-42

Erbitux-1L-Approval-In-China-mCRC-EN.pdf

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