Tepotinib in Non-Small-Cell Lung Cancer with MET Exon 14 Skipping Mutations.

Paul K. Paik, Enriqueta Felip, Remi Veillon, Hiroshi Sakai, Alexis B. Cortot, Marina C. Garassino, Julien Mazieres, Santiago Viteri, Helene Senellart, Jan Van Meerbeeck, Jo Raskin, Niels Reinmuth, Pierfranco Conte, Dariusz Kowalski, Byoung Chul Cho, Jyoti D. Patel, Leora Horn, Frank Griesinger, Ji-Youn Han, Young-Chul KimGee-Chen Chang, Chen-Liang Tsai, James C.-H. Yang, Yuh-Min Chen, Egbert F. Smit, Anthonie J. van der Wekken, Terufumi Kato, Dilafruz Juraeva, Christopher Stroh, Rolf Bruns, Josef Straub, Andreas Johne, Jürgen Scheele, John V. Heymach, Xiuning Le

Research output: Contribution to journalArticlepeer-review

Abstract

BACKGROUND: A splice-site mutation that results in a loss of transcription of exon 14 in the oncogenic driver MET occurs in 3 to 4small-cell lung cancer (NSCLC). We evaluated the efficacy and safety of tepotinib, a highly selective MET inhibitor, in this patient population. METHODS: In this open-label, phase 2 study, we administered tepotinib (at a dose of 500 mg) once daily in patients with advanced or metastatic NSCLC with a confirmed MET exon 14 skipping mutation. The primary end point was the objective response by independent review among patients who had undergone at least 9 months of follow-up. The response was also analyzed according to whether the presence of a MET exon 14 skipping mutation was detected on liquid biopsy or tissue biopsy. RESULTS: As of January 1, 2020, a total of 152 patients had received tepotinib, and 99 patients had been followed for at least 9 months. The response rate by independent review was 4695CI], 36 to 57), with a median duration of response of 11.1 months (95 7.2 to could not be estimated) in the combined-biopsy group. The response rate was 4895 36 to 61) among 66 patients in the liquid-biopsy group and 5095 37 to 63) among 60 patients in the tissue-biopsy group; 27 patients had positive results according to both methods. The investigator-assessed response rate was 5695 45 to 66) and was similar regardless of the previous therapy received for advanced or metastatic disease. Adverse events of grade 3 or higher that were considered by investigators to be related to tepotinib therapy were reported in 28 including peripheral edema in 71 as measured in circulating free DNA, was observed in 67biopsy samples at baseline and during treatment. CONCLUSIONS: Among patients with advanced NSCLC with a confirmed MET exon 14 skipping mutation, the use of tepotinib was associated with a partial response in approximately half the patients. Peripheral edema was the main toxic effect of grade 3 or higher. (Funded by Merck [Darmstadt, Germany]; VISION ClinicalTrials.gov number, NCT02864992.).
Original languageEnglish
JournalNew England Journal of Medicine
Issue number10
Publication statusPublished - Sep 1 2020

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