Yi-Long Wu, Valentina Guarneri, Pei Jye Voon, Boon Khaw Lim, Jin-Ji Yang, Marie Wislez, Cheng Huang, Chong Kin Liam, Julien Mazieres, Lye Mun Tho, Hidetoshi Hayashi, Nguyen Viet Nhung, Puey Ling Chia, Filippo de Marinis, Jo Raskin, Qinghua Zhou, Giovanna Finocchiaro, Anh Tuan Le, Jialei Wang, Christophe Dooms, Terufumi Kato, Ernest Nadal, How Soon Hin, Egbert F Smit, Martin Wermke, Daniel Tan, Masahiro Morise, Aurora O'Brate, Svenja Adrian, Boris M Pfeiffer, Christopher Stroh, Dilafruz Juraeva, Rainer Strotmann, Kosalaram Goteti, Karin Berghoff, Barbara Ellers-Lenz, Niki Karachaliou, Xiuning Le, Tae Min Kim
{"title":"特泊替尼加奥西美替尼治疗一线奥西美替尼治疗进展后MET扩增的表皮生长因子受体突变非小细胞肺癌患者（INSIGHT 2）：一项多中心、开放标签、2期试验。","authors":"Yi-Long Wu, Valentina Guarneri, Pei Jye Voon, Boon Khaw Lim, Jin-Ji Yang, Marie Wislez, Cheng Huang, Chong Kin Liam, Julien Mazieres, Lye Mun Tho, Hidetoshi Hayashi, Nguyen Viet Nhung, Puey Ling Chia, Filippo de Marinis, Jo Raskin, Qinghua Zhou, Giovanna Finocchiaro, Anh Tuan Le, Jialei Wang, Christophe Dooms, Terufumi Kato, Ernest Nadal, How Soon Hin, Egbert F Smit, Martin Wermke, Daniel Tan, Masahiro Morise, Aurora O'Brate, Svenja Adrian, Boris M Pfeiffer, Christopher Stroh, Dilafruz Juraeva, Rainer Strotmann, Kosalaram Goteti, Karin Berghoff, Barbara Ellers-Lenz, Niki Karachaliou, Xiuning Le, Tae Min Kim","doi":"10.1016/S1470-2045(24)00270-5","DOIUrl":null,"url":null,"abstract":"<p><strong>Background: </strong>Patients with EGFR-mutated non-small-cell lung cancer (NSCLC) and MET amplification as a mechanism of resistance to first-line osimertinib have few treatment options. Here, we report the primary analysis of the phase 2 INSIGHT 2 study evaluating tepotinib, a highly selective MET inhibitor, combined with osimertinib in this population.</p><p><strong>Methods: </strong>This open-label, phase 2 study was conducted at 179 academic centres and community clinics in 17 countries. Eligible patients were aged 18 years or older with an Eastern Cooperative Oncology Group performance status of 0 or 1 and advanced or metastatic EGFR-mutated NSCLC of any histology, with MET amplification by tissue biopsy fluorescence in-situ hybridisation (FISH; MET gene copy number of ≥5 or MET-to-CEP7 ratio of ≥2) or liquid biopsy next-generation sequencing (MET plasma gene copy number of ≥2·3), following progression on first-line osimertinib. Patients received oral tepotinib 500 mg plus oral osimertinib 80 mg once daily. The primary endpoint was independently assessed objective response in patients with MET amplification by central FISH treated with tepotinib plus osimertinib with at least 9 months of follow-up. Safety was analysed in patients who received at least one study drug dose. This study is registered with ClinicalTrials.gov, NCT03940703 (enrolment complete).</p><p><strong>Findings: </strong>Between Feb 13, 2020, and Nov 4, 2022, 128 patients (74 [58%] female, 54 [42%] male) were enrolled and initiated tepotinib plus osimertinib. The primary activity analysis population included 98 patients with MET amplification confirmed by central FISH, previous first-line osimertinib and at least 9 months of follow-up (median 12·7 months [IQR 9·9-20·3]). The confirmed objective response rate was 50·0% (95% CI 39·7-60·3; 49 of 98 patients). The most common treatment-related grade 3 or worse adverse events were peripheral oedema (six [5%] of 128 patients), decreased appetite (five [4%]), prolonged electrocardiogram QT interval (five [4%]), and pneumonitis (four [3%]). Serious treatment-related adverse events were reported in 16 (13%) patients. Deaths of four (3%) patients were assessed as potentially related to either trial drug by the investigator due to pneumonitis (two [2%] patients), decreased platelet count (one [1%]), respiratory failure (one [1%]), and dyspnoea (one [1%]); one death was attributed to both pneumonitis and dyspnoea.</p><p><strong>Interpretation: </strong>Tepotinib plus osimertinib showed promising activity and acceptable safety in patients with EGFR-mutated NSCLC and MET amplification as a mechanism of resistance to first-line osimertinib, suggesting a potential chemotherapy-sparing oral targeted therapy option that should be further investigated.</p><p><strong>Funding: </strong>Merck (CrossRef Funder ID: 10.13039/100009945).</p>","PeriodicalId":17942,"journal":{"name":"Lancet Oncology","volume":null,"pages":null},"PeriodicalIF":41.6000,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Tepotinib plus osimertinib in patients with EGFR-mutated non-small-cell lung cancer with MET amplification following progression on first-line osimertinib (INSIGHT 2): a multicentre, open-label, phase 2 trial.\",\"authors\":\"Yi-Long Wu, Valentina Guarneri, Pei Jye Voon, Boon Khaw Lim, Jin-Ji Yang, Marie Wislez, Cheng Huang, Chong Kin Liam, Julien Mazieres, Lye Mun Tho, Hidetoshi Hayashi, Nguyen Viet Nhung, Puey Ling Chia, Filippo de Marinis, Jo Raskin, Qinghua Zhou, Giovanna Finocchiaro, Anh Tuan Le, Jialei Wang, Christophe Dooms, Terufumi Kato, Ernest Nadal, How Soon Hin, Egbert F Smit, Martin Wermke, Daniel Tan, Masahiro Morise, Aurora O'Brate, Svenja Adrian, Boris M Pfeiffer, Christopher Stroh, Dilafruz Juraeva, Rainer Strotmann, Kosalaram Goteti, Karin Berghoff, Barbara Ellers-Lenz, Niki Karachaliou, Xiuning Le, Tae Min Kim\",\"doi\":\"10.1016/S1470-2045(24)00270-5\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Background: </strong>Patients with EGFR-mutated non-small-cell lung cancer (NSCLC) and MET amplification as a mechanism of resistance to first-line osimertinib have few treatment options. 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The primary endpoint was independently assessed objective response in patients with MET amplification by central FISH treated with tepotinib plus osimertinib with at least 9 months of follow-up. Safety was analysed in patients who received at least one study drug dose. This study is registered with ClinicalTrials.gov, NCT03940703 (enrolment complete).</p><p><strong>Findings: </strong>Between Feb 13, 2020, and Nov 4, 2022, 128 patients (74 [58%] female, 54 [42%] male) were enrolled and initiated tepotinib plus osimertinib. The primary activity analysis population included 98 patients with MET amplification confirmed by central FISH, previous first-line osimertinib and at least 9 months of follow-up (median 12·7 months [IQR 9·9-20·3]). The confirmed objective response rate was 50·0% (95% CI 39·7-60·3; 49 of 98 patients). 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Tepotinib plus osimertinib in patients with EGFR-mutated non-small-cell lung cancer with MET amplification following progression on first-line osimertinib (INSIGHT 2): a multicentre, open-label, phase 2 trial.
Background: Patients with EGFR-mutated non-small-cell lung cancer (NSCLC) and MET amplification as a mechanism of resistance to first-line osimertinib have few treatment options. Here, we report the primary analysis of the phase 2 INSIGHT 2 study evaluating tepotinib, a highly selective MET inhibitor, combined with osimertinib in this population.
Methods: This open-label, phase 2 study was conducted at 179 academic centres and community clinics in 17 countries. Eligible patients were aged 18 years or older with an Eastern Cooperative Oncology Group performance status of 0 or 1 and advanced or metastatic EGFR-mutated NSCLC of any histology, with MET amplification by tissue biopsy fluorescence in-situ hybridisation (FISH; MET gene copy number of ≥5 or MET-to-CEP7 ratio of ≥2) or liquid biopsy next-generation sequencing (MET plasma gene copy number of ≥2·3), following progression on first-line osimertinib. Patients received oral tepotinib 500 mg plus oral osimertinib 80 mg once daily. The primary endpoint was independently assessed objective response in patients with MET amplification by central FISH treated with tepotinib plus osimertinib with at least 9 months of follow-up. Safety was analysed in patients who received at least one study drug dose. This study is registered with ClinicalTrials.gov, NCT03940703 (enrolment complete).
Findings: Between Feb 13, 2020, and Nov 4, 2022, 128 patients (74 [58%] female, 54 [42%] male) were enrolled and initiated tepotinib plus osimertinib. The primary activity analysis population included 98 patients with MET amplification confirmed by central FISH, previous first-line osimertinib and at least 9 months of follow-up (median 12·7 months [IQR 9·9-20·3]). The confirmed objective response rate was 50·0% (95% CI 39·7-60·3; 49 of 98 patients). The most common treatment-related grade 3 or worse adverse events were peripheral oedema (six [5%] of 128 patients), decreased appetite (five [4%]), prolonged electrocardiogram QT interval (five [4%]), and pneumonitis (four [3%]). Serious treatment-related adverse events were reported in 16 (13%) patients. Deaths of four (3%) patients were assessed as potentially related to either trial drug by the investigator due to pneumonitis (two [2%] patients), decreased platelet count (one [1%]), respiratory failure (one [1%]), and dyspnoea (one [1%]); one death was attributed to both pneumonitis and dyspnoea.
Interpretation: Tepotinib plus osimertinib showed promising activity and acceptable safety in patients with EGFR-mutated NSCLC and MET amplification as a mechanism of resistance to first-line osimertinib, suggesting a potential chemotherapy-sparing oral targeted therapy option that should be further investigated.
期刊介绍：
The Lancet Oncology is a trusted international journal that addresses various topics in clinical practice, health policy, and global oncology. It covers a wide range of cancer types, including breast, endocrine system, gastrointestinal, genitourinary, gynaecological, haematological, head and neck, neurooncology, paediatric, thoracic, sarcoma, and skin cancers. Additionally, it includes articles on epidemiology, cancer prevention and control, supportive care, imaging, and health-care systems.
The journal has an Impact Factor of 51.1, making it the leading clinical oncology research journal worldwide. It publishes different types of articles, such as Articles, Reviews, Policy Reviews, Personal Views, Clinical Pictures, Comments, Correspondence, News, and Perspectives. The Lancet Oncology also collaborates with societies, governments, NGOs, and academic centers to publish Series and Commissions that aim to drive positive changes in clinical practice and health policy in areas of global oncology that require attention.
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