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A phase 1b study of the MET inhibitor capmatinib combined with cetuximab in patients with MET-positive colorectal cancer who had progressed following anti-EGFR monoclonal antibody treatment

Delord, Jean-Pierre and Argilés, Guillem and Fayette, Jerôme and Wirth, Lori and Kasper, Stefan and Siena, Salvatore and Mesia, Ricard and Berardi, Rossana and Cervantes, Andrés and Dekervel, Jeroen and Zhao, Sylvia and Sun, Yongjian and Hao, Lu and Tiedt, Ralph and Vicente Gabarda, Sergio and Myers, Andrea and Siu, Lillian L (2020) A phase 1b study of the MET inhibitor capmatinib combined with cetuximab in patients with MET-positive colorectal cancer who had progressed following anti-EGFR monoclonal antibody treatment. Investigational New Drugs. ISSN 15730646

Abstract

Background Overcoming resistance to anti-epidermal growth factor receptor (EGFR) monoclonal antibodies (mAbs) in patients with KRAS wildtype (WT) metastatic colorectal cancer (mCRC) could help meet the needs of patients with limited treatment options. Methods In this phase 1b study, patients with N/KRAS WT, MET-positive mCRC who had progressed following anti-EGFR mAb treatment received escalating oral doses of capmatinib (150, 300, and 400 mg) twice daily plus weekly intravenous cetuximab (at the approved dose). The primary objective was to establish a recommended dose for expansion (RDE) of capmatinib in combination with cetuximab. Safety, preliminary activity, pharmacokinetics, and pharmacodynamics were also explored. Results Thirteen patients were enrolled. No patients experienced a dose-limiting toxicity at investigated doses; the RDE was established as capmatinib 400 mg twice daily plus cetuximab. All patients experienced adverse events (AEs) suspected to be related to the study treatment. Five patients (38.5%) reported study-drug–related AEs of grade 3/4 in severity. No patients achieved a complete or partial response according to RECIST v1.1; however, tumor shrinkage of 29–44% was observed in 4 patients. Conclusions Capmatinib plus cetuximab was well tolerated. Preliminary signs of activity were observed. Further investigation is warranted to obtain efficacy data and refine predictive biomarkers of response. Clinical trial registration NCT02205398.

Item Type: Article
Keywords: Capmatinib Cetuximab Colorectal cancer MET positive Phase I
Date Deposited: 16 Jun 2020 00:45
Last Modified: 16 Jun 2020 00:45
URI: https://oak.novartis.com/id/eprint/39064

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