Ceritinib shows a promising efficacy in patients with anaplastic lymphoma kinase (ALK)-rearrangement non-small-cell lung cancer (NSCLC). The present systematic review determined the whole body and intracranial effectiveness and safety of ceritinib in crizotinib-naive versus crizotinib-pretreated regimens in ALK-rearrangement NSCLC. A comprehensive search of databases, including PubMed, EMBASE, Ovid, Web of Science, and COCHRANE, was performed to identify clinical trials in English-language journals. We estimated the pooled progression-free survival (PFS) and overall response rate (ORR) for ceritinib in whole body and intracranial responses to find differences between crizotinib-naive and crizotinib-pretreated regimens. The intracranial disease control rate in both crizotinib-naive and crizotinib-pretreated regimens was also estimated. The pooled efficacy parameters were as follows: ORR, 56.9% (95% confidence interval [CI], 53.6%-60.1%); PFS, 8.26 months (95% CI, 6.18-11.07 months); intracranial ORR, 41.3% (95% CI, 35.3%-47.6%); and intracranial disease control rate, 79.8% (95% CI, 73.8%-84.7%). The pooled ceritinib for crizotinib-naive showed a trend toward greater ORR and longer PFS compared with ceritinib for crizotinib-pretreated (68.9% and 14.62 months vs. 48.2% and 6.32 months, respectively). The intracranial ORR for ceritinib as the initial regimen was 50.6% compared with 33.6% for crizotinib-pretreated. The discontinuation and dose reduction rates were 3.1% and 38.4%, respectively. The most common grade 3/4 adverse effects were increased alanine aminotransferase (25.5%), increased g-glutamyltransferase (12.6%), and increased aspartate aminotransferase (11.1%). Ceritinib is an effective agent for both crizotinib-naive and crizotinib-pretreated patients with locally advanced or metastatic ALK-rearranged NSCLC. Ceritinib has significant activity in crizotinib-naive patients with brain metastases. (C) 2018 Elsevier Inc. All rights reserved.