A randomized, phase II study of vandetanib maintenance for advanced or metastatic non-small-cell lung cancer following first-line platinum-doublet chemotherapy
- Authors
- Ahn, Jin Seok; Lee, Ki Hyeong; Sun, Jong-Mu; Park, Keunchil; Kang, Eun-Suk; Cho, Eun Kyung; Lee, Dae Ho; Kim, Sang-We; Lee, Gyeong-Won; Kang, Jin-Hyoung; Lee, Jong-Seok; Lee, Jae-Won; Ahn, Myung-Ju
- Issue Date
- Dec-2013
- Publisher
- ELSEVIER IRELAND LTD
- Keywords
- Vandetanib; Maintenance; Chemotherapy; Lung cancer; Progression-free survival; Target therapy
- Citation
- LUNG CANCER, v.82, no.3, pp.455 - 460
- Journal Title
- LUNG CANCER
- Volume
- 82
- Number
- 3
- Start Page
- 455
- End Page
- 460
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/14069
- DOI
- 10.1016/j.lungcan.2013.08.027
- ISSN
- 0169-5002
- Abstract
- Background: This randomized, phase II study investigated whether benefit could be obtained by giving vandetanib, an oral inhibitor of vascular endothelial and epithelial growth factor receptor, as a maintenance treatment in non-small cell lung cancer (NSCLC). Methods: Patients were randomly assigned to either vandetanib or placebo after completion of 4 cycles of first-line chemotherapy. A progression-free survival (PFS) rate at 3 months was selected as the primary endpoint. We set a maximum PFS rate at 3 months to 30% (null hypothesis), and a minimum PFS rate at 3 months to 50% (alternative hypothesis). Results: At the interim analysis, 9 of 24 patients in the vandetanib arm were progression-free at 3 months, whereas 7 of 24 in the placebo arm were progression-free. The placebo arm was closed at the first stage. The vandetanib arm proceeded to the second stage, and recruited a total of 75 patients. At the second stage, 28 out of 63 evaluable patients receiving vandetanib achieved PFS at 3 months. The alternative hypothesis that the PFS rate at 3 months is at least 50% was accepted. The median PFS was 2.7 months (95% CI, 1.9-4.4 months) in the vandetanib arm and 1.7 months (95% CI, 0.9-2.6 months) in the placebo arm. The most common adverse events in patients receiving vandetanib were rash (77.3%) and diarrhea (60.0%). Conclusions: Maintenance therapy with vandetanib for patients with NSCLC after standard platinum doublet chemotherapy is well tolerated and may prolong PFS compared with placebo, and needs additional investigation. (C) 2013 Elsevier Ireland Ltd. All rights reserved.
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