… NEJ009 study is the first randomized Phase III trial that compared gefitinib plus chemotherapy
with gefitinib in patients with … This study compared the efficacy of chemotherapy alone and …

… In this study, we assessed whether gefitinib improved the survival of adenocarcinoma patients
… We also examined whether the benefit of gefitinib, when present, was limited to a certain …

… However, scarce evidence showing the superiority of gefitinib … a retrospective study to assess
the efficacy of adjuvant gefitinib … Gefitinib was associated with fewer grade 3/4 toxic effects …

… This retrospective cohort study was conducted using data from real-world settings. Patients
with stage IIIB and IV NSCLC and first received gefitinib, erlotinib, or afatinib between 2011 …

… large retrospective cohort study used NHIRD to compare the outcome of two first-generation
EGFR-TKIs, erlotinib and gefitinib… Thus, gefitinib could achieve the maximal anticancer effect …

… A large cohort study based on the Taiwan Cancer Registry, conducted in 2011–2015,
compared the efficacy of three different TKIs—gefitinib, erlotinib, and afatinin. The results showed …

… survival in an unbalanced retrospective cohort study. To solve this … retrospective study,
although it was performed based on a protocol. Third, it is difficult to analyze the effects of gefitinib …

… According to the PICO principle, the following eligibility criteria were established: i) Research
includes a randomized controlled trial, case-control study or cohort study; ii) subjects are …

… cohort. In patients with brain metastasis, erlotinib showed superior results compared with
gefitinib … The favorable effect of osimertinib might have been attenuated if more patients would …

… gefitinib administration seems to be a reasonable choice for the treatment of local progression
or metastasis in such patients if these results are validated in future, larger cohort studies …