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Ref Type Journal Article
PMID (29149761)
Authors Schöffski P, Wozniak A, Escudier B, Rutkowski P, Anthoney A, Bauer S, Sufliarsky J, van Herpen C, Lindner LH, Grünwald V, Zakotnik B, Lerut E, Debiec-Rychter M, Marréaud S, Lia M, Raveloarivahy T, Collette S, Albiges L
Title Crizotinib achieves long-lasting disease control in advanced papillary renal-cell carcinoma type 1 patients with MET mutations or amplification. EORTC 90101 CREATE trial.
URL
Abstract Text Papillary renal-cell carcinoma type 1 (PRCC1) is associated with MET gene alterations. Our phase II trial prospectively assessed the efficacy and safety of crizotinib in patients with advanced/metastatic PRCC1 with or without MET mutations (MET+ and MET-).Eligible patients with reference pathology-confirmed PRCC1 received 250 mg oral crizotinib twice daily. Patients were attributed to MET+/MET- sub-cohorts by the sequencing of exons 16-19 of the MET gene in tumour tissue. The primary end-point was objective response rate (ORR). If at least two of the first 12 eligible and evaluable MET+ patients achieved a confirmed partial response (PR) or complete response (CR) (in accordance with the Response Evaluation Criteria in Solid Tumours, version 1.1), a maximum of 35 patients were enrolled. Secondary end-points included duration of response (DOR), disease control rate (DCR), progression-free survival (PFS), PFS rate (PFSR), overall survival (OS) and safety.Forty-one patients provided consent, of whom 23 were eligible, treated and evaluable. In four MET+ patients, two achieved PR and one had stable disease (SD) (ORR 50%; 95% confidence interval [CI]: 6.8-93.2), DOR was 21.8 and 37.3 months, 1-year PFSR: 75.0% (95% CI: 12.8-96.1) and 1-year OS: 75.0% (95% CI: 12.8-96.1). Among 16 MET- patients, one achieved a PR lasting more than 9.9 months and 11 had SD (ORR: 6.3%; 95% CI: 0.2-30.2), 1-year PFSR: 27.3% (95% CI: 8.5-50.4) and 1-year OS: 71.8% (95% CI: 41.1-88.4). Among three patients with unknown MET status (MET?) due to technical failure, one achieved PR lasting more than 6.9 months, and one had SD (ORR 33.3%, 95% CI: 0.8-90.6), 1-year PFSR: 66.7% (95% CI: 5.4-94.5) and 1-year OS: 100%. MET amplification was found post hoc in one MET+ patient (PR, DOR: 37.3 months), and one MET- case who had SD. Common treatment-related adverse events were oedema (47.8%), fatigue (47.8%), nausea (39.1%), diarrhoea (39.1%) and blurred vision (34.8%).Crizotinib is active and well tolerated in advanced, metastatic PRCC1, achieving objective responses and long-lasting disease control in patients with MET mutations or amplification. Sporadic, durable responses are also seen in MET- and MET? cases, suggesting the presence of other alterations of MET or alternative pathways.

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Molecular Profile Treatment Approach
Gene Name Source Synonyms Protein Domains Gene Description Gene Role
Therapy Name Drugs Efficacy Evidence Clinical Trials
Drug Name Trade Name Synonyms Drug Classes Drug Description
Gene Variant Impact Protein Effect Variant Description Associated with drug Resistance
Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References