Dataset Information

[MET Exon 14 Skipping Mutations in Non-small Cell Lung Cancer].

ABSTRACT: Recently, targeted therapy has achieved great success in the treatment of non-small cell lung cancer (NSCLC) patients. Mesenchymal to epithelial transition factor (MET) is considered to be another important molecular target for NSCLC since epidermal growth factor receptor (EGFR) and anaplastic lymphoma kinase (ALK). Accumulating clinical trials and case reports have confirmed that MET inhibitors exhibited a potential prospect in treating patients with MET 14 exon skipping alterations, suggesting that MET 14 exon skipping mutation might be an effective biomarker for MET inhibitors, which remains to be confirmed by more clinical data. This review summarizes current research about the molecular mechanism, clinicopathological characterization, treatment strategies and drug resistance mechanisms of MET 14 exon skipping alterations in NSCLC.?.

SUBMITTER: Yin L

PROVIDER: S-EPMC6058657 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature

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[MET Exon 14 Skipping Mutations in Non-small Cell Lung Cancer].

Yin Limei L Lu You Y

Zhongguo fei ai za zhi = Chinese journal of lung cancer 20180701 7

Recently, targeted therapy has achieved great success in the treatment of non-small cell lung cancer (NSCLC) patients. Mesenchymal to epithelial transition factor (MET) is considered to be another important molecular target for NSCLC since epidermal growth factor receptor (EGFR) and anaplastic lymphoma kinase (ALK). Accumulating clinical trials and case reports have confirmed that MET inhibitors exhibited a potential prospect in treating patients with MET 14 exon skipping alterations, suggesting ...[more]

PMID: 30037377

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Project description:BackgroundA splice-site mutation that results in a loss of transcription of exon 14 in the oncogenic driver MET occurs in 3 to 4% of patients with non-small-cell lung cancer (NSCLC). We evaluated the efficacy and safety of tepotinib, a highly selective MET inhibitor, in this patient population.MethodsIn 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.ResultsAs 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 46% (95% confidence interval [CI], 36 to 57), with a median duration of response of 11.1 months (95% CI, 7.2 to could not be estimated) in the combined-biopsy group. The response rate was 48% (95% CI, 36 to 61) among 66 patients in the liquid-biopsy group and 50% (95% CI, 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 56% (95% CI, 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% of the patients, including peripheral edema in 7%. Adverse events led to permanent discontinuation of tepotinib in 11% of the patients. A molecular response, as measured in circulating free DNA, was observed in 67% of the patients with matched liquid-biopsy samples at baseline and during treatment.ConclusionsAmong 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.).

Dataset Information

[MET Exon 14 Skipping Mutations in Non-small Cell Lung Cancer].

Publications

[MET Exon 14 Skipping Mutations in Non-small Cell Lung Cancer].

Similar Datasets

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