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  • Title: Phase 3 study of ceritinib vs chemotherapy in ALK-rearranged NSCLC patients previously treated with chemotherapy and crizotinib (ASCEND-5): Japanese subset.
    Author: Kiura K, Imamura F, Kagamu H, Matsumoto S, Hida T, Nakagawa K, Satouchi M, Okamoto I, Takenoyama M, Fujisaka Y, Kurata T, Ito M, Tokushige K, Hatano B, Nishio M.
    Journal: Jpn J Clin Oncol; 2018 Apr 01; 48(4):367-375. PubMed ID: 29474558.
    Abstract:
    BACKGROUND: In the global, Phase 3, ASCEND-5 study, ceritinib improved progression-free survival (PFS) vs chemotherapy in patients with anaplastic lymphoma kinase (ALK)-rearranged non-small cell lung cancer (NSCLC) who had previously progressed on crizotinib and platinum-based chemotherapy. Here, we report efficacy and safety in a subset of Japanese patients from the ASCEND-5 study. METHODS: Patients with advanced ALK-rearranged NSCLC received oral ceritinib 750 mg/day or chemotherapy (intravenous pemetrexed 500 mg/m2 or docetaxel 75 mg/m2 [investigator's choice], every 21 days). RESULTS: Among the 231 patients, 29 were Japanese, of which, 11 were treated with ceritinib and 18 were treated with chemotherapy (5 with pemetrexed and 13 with docetaxel). All the patients received prior crizotinib and one or two lines of prior chemotherapy for advanced disease. Median follow-up time was 16.6 months for ceritinib arm and 16.4 months for chemotherapy arm in the overall population. The median PFS by blinded independent review committee was 9.8 months (95% CI, 4.3-14.0) in ceritinib arm vs 1.6 months (95% CI, 1.4-3.0) in chemotherapy arm. Grade 3 or 4 adverse events, suspected to be study drug related, were reported in 36.4% of ceritinib arm and 72.2% of chemotherapy arm, respectively. No Grade 3 or 4 events of diarrhea, nausea and vomiting were reported in both the treatment arms. Adverse events leading to study drug discontinuation were reported in one patient in each arm: Grade 3 central-nervous system metastases in ceritinib-treated patient and Grade 3 febrile neutropenia in chemotherapy-treated patient. CONCLUSIONS: Consistent with overall population, ceritinib demonstrated better efficacy compared with the standard second-line chemotherapy in Japanese patients with crizotinib-resistant ALK+ NSCLC. CLINICALTRIALS.GOV IDENTIFIER: NCT01828112.
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