New England Journal of Medicine Publishes Primary Analysis of VISION Data for Tepotinib in Advanced NSCLC with METex14 Skipping Alterations

ROCKLAND, Mass., May 29, 2020 /PRNewswire/ -- EMD Serono, the biopharmaceutical business of Merck KGaA, Darmstadt, Germany in the US and Canada, today announced that updated data from the ongoing, single-arm Phase II VISION study evaluating tepotinib* as a single agent in patients with advanced non-small cell lung cancer (NSCLC) with MET exon 14 (METex14) skipping alterations were published in The New England Journal of Medicine (NEJM). Results from the primary analysis of data from 99 patients with at least 9 months of follow-up demonstrate consistent response rate and durable anti-tumor activity across lines of treatment in patients assessed by both liquid biopsy (LBx) and tissue biopsy (TBx). Results from the VISION study were also presented at the American Society of Clinical Oncology (ASCO) ASCO20 Virtual Scientific Program on May 29, including data from the primary analysis (Abstract #9556) and including patient-reported outcomes (PROs) of health-related quality of life (HRQoL) (Abstract #9575). Tepotinib is designed to be a highly selective¹ oral MET inhibitor that is administered once daily and is designed to inhibit the oncogenic MET receptor signaling caused by MET (gene) alterations.

"MET exon 14 skipping is a primary oncogenic driver, but until recently there have been no approved treatment options targeting this genetic alteration in NSCLC," said Paul K. Paik, M.D., primary study investigator, lead author and Clinical Director, Thoracic Oncology Service, Memorial Sloan Kettering Cancer Center. "These new findings highlight the importance of routine next-generation sequencing to identify METex14 skipping alterations and demonstrate tepotinib's durable anti-tumor activity in patients who are typically elderly, and whose cancers are often harder to treat."

This new analysis of data from 99 patients in the fully enrolled Cohort A with at least 9 months of follow-up was published by The New England Journal of Medicine on May 29. Results demonstrate objective response rate (ORR) of 46% (95% CI, 36–57) among patients with METex14 skipping alterations identified by either LBx or TBx as assessed by Independent Review Committee (IRC), and 56% (95% CI, 45–66) as assessed by investigators. The median duration of response (DOR) was 11.1 months (95% CI, 7.2–could not be estimated (NE)) among patients with METex14 skipping alterations identified by either LBx or TBx as assessed by IRC, and 14.0 months (95% CI, 9.7–18.3) as assessed by investigators. Results were consistent across different lines of treatment and in patients assessed by LBx or TBx. Additional endpoints were progression-free survival (PFS) and overall survival (OS).  

Patients with brain metastases at baseline (n=11) benefitted similarly from treatment. In these patients, systemic ORR as assessed by independent review was 55% (95% CI, 23–83), with a median DOR of 9.5 months (95% CI, 6.6–NE) and a median PFS of 10.9 months (95% CI, 8.0–NE).  

Results also include the first patient-reported quality-of-life outcomes in patients with NSCLC with METex14 skipping alterations. Quality of life was maintained over time of treatment with tepotinib, with symptoms of dyspnea remaining stable and cough symptoms improving. The first longitudinal on-treatment biomarker data from LBx samples were also reported, showing high concordance between molecular circulating free DNA response (defined as METex14 depletion) and clinical response based on measurable disease per Response Evaluation Criteria in Solid Tumors (RECIST).

Out of 152 patients evaluable for safety, treatment-related adverse events (TRAEs) of all grades were reported in 135 patients (89%). Grade 3 TRAEs were reported in 38 patients (25%), and 3 patients (2%) experienced Grade 4 TRAEs. One death was considered by the investigator to be treatment-related and occurred in a 79-year-old patient with respiratory failure and dyspnea, secondary to interstitial lung disease. The most common Grade ≥3 TRAE was peripheral edema, which occurred in 11 patients (7%). Serious TRAEs were reported in 23 patients (15%). Permanent tepotinib discontinuations due to TRAEs were reported in 17 patients (11%), and 50 patients (33%) required a dose reduction due to TRAEs. Peripheral edema was the most common TRAE leading to a dose reduction (25 patients, 16%) or dose interruption (28 patients, 18%); permanent discontinuation was uncommon (7 patients, 5%).

"Designed to have a highly selective mechanism of action, tepotinib has the potential to make a difference in the treatment and lives of people living with non-small cell lung cancer harboring METex14 skipping alterations," said Luciano Rossetti, Global Head of Research & Development for EMD Serono. "Following on the recent approval of tepotinib in Japan as the first therapy for the treatment of advanced NSCLC harboring MET gene alterations, the publication of these data underscores our commitment to advancing scientific understanding and potential therapeutic options for this challenging cancer."

The ongoing Phase II VISION (NCT02864992) clinical trial is a single-arm, open-label, multi-cohort study investigating the safety and efficacy of tepotinib as a single agent in patients with advanced or metastatic NSCLC with METex14 skipping alterations identified by LBx and/or TBx. The use of both LBx and TBx to identify patients for the VISION study is intended to support improved patient selection and is consistent with the company's focus on patient-centric drug development.

Lung cancer is the most common type of cancer worldwide, with 2 million cases diagnosed annually.² Alterations of the MET signaling pathway are found in various cancer types, including 3% to 5% of NSCLC cases, and correlate with aggressive tumor behavior and poor clinical prognosis.^3-5 Patients with NSCLC harboring METex14 skipping tend to be older than those with NSCLC harboring other alterations.⁶ In the Phase II VISION study, the patient population is generally characterized as elderly, with a median age of 74.0 years, and as having poor clinical prognosis typical of NSCLC with METex14 skipping alterations.

In March 2020, the Japanese Ministry of Health, Labour and Welfare (MHLW) approved tepotinib for the treatment of patients with unresectable, advanced or recurrent NSCLC with METex14 skipping alterations. In September 2019, the US Food and Drug Administration (FDA) granted Breakthrough Therapy Designation for tepotinib in patients with metastatic NSCLC harboring METex14 skipping alterations who progressed following platinum-based cancer therapy. EMD Serono plans to file tepotinib for regulatory review with the FDA in 2020. Tepotinib is also being investigated in the INSIGHT 2 study (NCT03940703) in combination with the tyrosine kinase inhibitor (TKI) osimertinib in epidermal growth factor receptor (EGFR)-mutated, MET amplified, locally advanced or metastatic NSCLC that has acquired resistance to prior EGFR TKI.

Discovered in-house at Merck KGaA, Darmstadt, Germany, tepotinib is an oral MET inhibitor that is designed to inhibit the oncogenic MET receptor signaling caused by MET (gene) alterations.

^*Tepotinib is currently under clinical investigation and not yet approved in any markets outside of Japan.

Dr. Paik has provided compensated advisory services to EMD Serono.

About Non-Small Cell Lung Cancer
With 2 million cases diagnosed annually, lung cancer (including trachea, bronchus and lung) is the most common type of cancer worldwide and the leading cause of cancer-related death, with 1.7 million mortality cases worldwide.² Alterations of the MET signaling pathway, including MET exon 14 (METex14) skipping alterations and MET amplifications, occur in 3% to 5% of NSCLC cases.^3-5

About Tepotinib
Tepotinib is an oral MET inhibitor that is designed to inhibit the oncogenic MET receptor signaling caused by MET (gene) alterations. Discovered in-house at Merck KGaA, Darmstadt, Germany, it has been designed to have a highly selective mechanism of action, with the potential to improve outcomes in aggressive tumors that have a poor prognosis and harbor these specific alterations. Tepotinib is currently under clinical investigation in NSCLC and not yet approved in any markets outside of Japan. Merck KGaA, Darmstadt, Germany, is actively assessing the potential of investigating tepotinib in combination with novel therapies and in other tumor indications.

References

1. Bladt F, et al. Clin Cancer Res 2013;19:2941-2951.
2. Bray F, et al. Global cancer statistics 2018: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. CA Cancer J Clin 2018;68(6):394-424. https://doi.org/10.3322/caac.21492 PMID:30207593.
3. Reungwetwattana T, et al. Lung Cancer 2017;103:27-37.
4. Mo HN, et al. Chronic Dis Transl Med 2017;3(3):148-153.
5. Lutterbach B, et al. Cancer Res 2007;67:2081-8.
6. Schrock AB et al. J Thorac Oncol 2016;11(9):1493-1502.

All Merck KGaA, Darmstadt, Germany press releases are distributed by e-mail at the same time they become available on the EMD Group Website. In case you are a resident of the USA or Canada please go to www.emdgroup.com/subscribe to register for your online subscription of this service as our geo-targeting requires new links in the email. You may later change your selection or discontinue this service.

About EMD Serono, Inc.
EMD Serono - the biopharmaceutical business of Merck KGaA, Darmstadt, Germany in the U.S. and Canada - is engaged in the discovery, research and development of medicines for patients with difficult to treat diseases. The business is committed to transforming lives by developing and delivering meaningful solutions that help address the therapeutic and support needs of individual patients. Building on a proven legacy and deep expertise in neurology, fertility and endocrinology, EMD Serono is developing potential new oncology and immuno-oncology medicines while continuing to explore potential therapeutic options for diseases such as psoriasis, lupus and MS. Today, the business has approximately 1,500 employees around the country with commercial, clinical and research operations based in the company's home state of Massachusetts. www.emdserono.com.

About Merck KGaA, Darmstadt, Germany
Merck KGaA, Darmstadt, Germany, a leading science and technology company, operates across healthcare, life science and performance materials. Around 57,000 employees work to make a positive difference to millions of people's lives every day by creating more joyful and sustainable ways to live. From advancing gene editing technologies and discovering unique ways to treat the most challenging diseases to enabling the intelligence of devices – the company is everywhere. In 2019, Merck KGaA, Darmstadt, Germany generated sales of € 16.2 billion in 66 countries.

The company holds the global rights to the name and trademark "Merck" internationally. The only exceptions are the United States and Canada, where the business sectors of Merck KGaA, Darmstadt, Germany operate as EMD Serono in healthcare, MilliporeSigma in life science, and EMD Performance Materials. Since its founding in 1668, scientific exploration and responsible entrepreneurship have been key to the company's technological and scientific advances. To this day, the founding family remains the majority owner of the publicly listed company.

SOURCE EMD Serono

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