Amgen Submits Sotorasib Marketing Authorization Application To The European Medicines Agency

Application is for Patients With Previously Treated Non-Small Cell Lung Cancer (NSCLC) With the KRAS G12C Mutation

EU Application Follows Sotorasib New Drug Application Submission to U.S. FDA Announced Last Week

THOUSAND OAKS, California, Dec. 22, 2020 /PRNewswire/ -- Amgen (NASDAQ: AMGN) today announced submission of a Marketing Authorization Application (MAA) to the European Medicines Agency (EMA) for sotorasib, an investigational KRAS^G12C inhibitor, for the treatment of adult patients with previously treated KRAS G12C-mutated locally advanced or metastatic non-small cell lung cancer (NSCLC).

"Just over two years since the first patient was dosed, sotorasib is now on track to potentially be the first approved targeted therapy for patients with previously treated NSCLC harboring the KRAS G12C mutation," said David M. Reese, M.D., executive vice president of Research and Development at Amgen. "With this submission to EMA, Amgen is continuing to rapidly advance the KRAS^G12C inhibitor clinical program to bring this innovative potential therapy to patients globally as quickly as possible."

KRAS G12C is the most common KRAS mutation in NSCLC.¹ Approximately 13% of patients with NSCLC harbor the KRAS G12C mutation and each year approximately 33,000 new patients in the EU-27 are diagnosed with KRAS G12C-mutated NSCLC.^1,2 There is a high unmet need and poor outcomes in the second-line treatment of KRAS G12C-driven NSCLC and, currently, there are no KRAS G12C targeted therapies approved. ^3,4,5

The submission is supported by positive Phase 2 results in patients with locally advanced or metastatic NSCLC with KRAS G12C mutation from the CodeBreaK 100 clinical study, whose cancer had progressed despite prior treatment with chemotherapy and/or immunotherapy. In the Phase 1 study, treatment with sotorasib provided durable anticancer activity with a positive benefit-risk profile.⁶ These results will be presented at the International Association for the Study of Lung Cancer (IASLC) 2020 World Conference on Lung Cancer (WCLC) Presidential Symposium in January 2021.

About Sotorasib
Amgen has taken on one of the toughest challenges of the last 40 years in cancer research by developing sotorasib, an investigational KRAS^G12C inhibitor.⁷ Sotorasib was the first KRAS^G12C inhibitor to enter the clinic and is being studied in the broadest clinical program exploring 10 combinations with global sites spanning four continents. In just over two years, the sotorasib clinical program CodeBreaK has established the deepest clinical data set with more than 600 patients studied across 13 tumor types.

Sotorasib has demonstrated a positive benefit-risk profile with fast, deep and durable anticancer activity in patients with advanced non-small cell lung cancer (NSCLC) harboring the KRAS G12C mutation with a once daily oral formulation. Promising responses have also been observed in multiple other solid tumors.⁷

About CodeBreaK
The CodeBreaK clinical development program for Amgen's investigational drug sotorasib is designed to treat patients with an advanced solid tumor with the KRAS G12C mutation and address the longstanding unmet medical need for these cancers. As the most advanced KRAS G12C clinical development program, CodeBreaK has enrolled more than 600 patients across 13 tumor types since its inception.

CodeBreaK 100, the Phase 1 and 2, first-in-human, open-label multicenter study, enrolled patients with KRAS G12C-mutated solid tumors. Eligible patients must have received a prior line of systemic anticancer therapy, consistent with their tumor type and stage of disease. The primary endpoint for the Phase 2 study was centrally assessed objective response rate. The Phase 2 trial in NSCLC enrolled 126 patients, 123 of whom had centrally evaluable lesions by RECIST at baseline. The Phase 2 trial in colorectal cancer (CRC) is fully enrolled and topline results are expected in 2021.

A global Phase 3 randomized active-controlled study comparing sotorasib to docetaxel in patients with KRAS G12C-mutated NSCLC (CodeBreaK 200) is currently recruiting. Amgen also has several Phase 1b combination studies across various advanced solid tumors (CodeBreaK 101) open for enrollment.

For information, please visit www.codebreaktrials.com.

About Amgen Oncology
Amgen Oncology is searching for and finding answers to incredibly complex questions that will advance care and improve lives for cancer patients and their families. Our research drives us to understand the disease in the context of the patient's life – not just their cancer journey – so they can take control of their lives.

For the last four decades, we have been dedicated to discovering the firsts that matter in oncology and to finding ways to reduce the burden of cancer. Building on our heritage, Amgen continues to advance the largest pipeline in the Company's history, moving with great speed to advance those innovations for the patients who need them.

At Amgen, we are driven by our commitment to transform the lives of cancer patients and keep them at the center of everything we do.

To learn more about Amgen's innovative pipeline with diverse modalities and genetically validated targets, please visit AmgenOncology.com. For more information, follow us on www.twitter.com/amgenoncology.

About Amgen
Amgen is committed to unlocking the potential of biology for patients suffering from serious illnesses by discovering, developing, manufacturing and delivering innovative human therapeutics. This approach begins by using tools like advanced human genetics to unravel the complexities of disease and understand the fundamentals of human biology.

Amgen focuses on areas of high unmet medical need and leverages its expertise to strive for solutions that improve health outcomes and dramatically improve people's lives. A biotechnology pioneer since 1980, Amgen has grown to be one of the world's leading independent biotechnology companies, has reached millions of patients around the world and is developing a pipeline of medicines with breakaway potential.

For more information, visit www.amgen.com and follow us on www.twitter.com/amgen.

Forward-Looking Statements
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CONTACT: Amgen, Thousand Oaks
Trish Rowland, 805-447-5631 (Media)
Jessica Akopyan, 805-447-0974 (Media)
Arvind Sood, 805-447-1060 (Investors)

References

¹ European Cancer Information System. Data explorer. Incidence and mortality 2020. EU-27. Available at: https://ecis.jrc.ec.europa.eu/explorer.php?$0-0$1-AE27$2-All$4-1,2$3-All$6-0,85$5-2008,2008$7-7,8$CEstByCancer$X0_8-3$CEstRelativeCanc$X1_8-3$X1_9-AE27 Accessed December 2020.
² Lung Cancer Europe. Types of lung cancer and staging. Available at: https://www.lungcancereurope.eu/lung-cancer/types-of-lung-cancer-and-staging/ Accessed December 2020.
³ Aggarwal S, et al. Presented at: The European Society for Medical Oncology; September 2020; Virtual Congress. Poster 1339P.
⁴ McCormick F. K-Ras protein as a drug target. J Mol Med (Berl). 2016;94(3):253-258.
⁵ Román M, Baraibar I, López I, et al.  KRAS oncogene in non-small cell lung cancer: clinical perspectives on the treatment of an old target. Mol Cancer. 2018;17(1):33. 
⁶ Hong DS, et al. N Engl J Med. 2020; 383:1207-1217.
⁷ Kim D, et al. Cell. 2020;183 :850-859.

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