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Ref Type Journal Article
PMID (19332730)
Authors Natale RB, Bodkin D, Govindan R, Sleckman BG, Rizvi NA, Capó A, Germonpré P, Eberhardt WE, Stockman PK, Kennedy SJ, Ranson M
Title Vandetanib versus gefitinib in patients with advanced non-small-cell lung cancer: results from a two-part, double-blind, randomized phase ii study.
Journal Journal of clinical oncology : official journal of the American Society of Clinical Oncology
Vol 27
Issue 15
Date 2009 May 20
Abstract Text Vandetanib is a once-daily oral inhibitor of vascular endothelial growth factor receptor (VEGFR) and epidermal growth factor receptor (EGFR) signaling. In this two-part phase II study, the efficacy and safety of vandetanib was compared with that of gefitinib, an inhibitor of EGFR signaling.Patients (N = 168) with locally advanced or metastatic (stage IIIB/IV) non-small-cell lung cancer (NSCLC), after failure of first-line with or without second-line platinum-based chemotherapy, received once-daily vandetanib 300 mg (n = 83) or gefitinib 250 mg (n = 85) until disease progression or evidence of toxicity (part A). After a 4-week washout period, eligible patients had the option to switch to the alternative treatment (part B). Progression-free survival (PFS) was the primary efficacy assessment in part A, which was designed to have a higher than 75% power to detect a 33% prolongation of PFS at a one-sided significance level of .2.In part A, vandetanib prolonged PFS compared with gefitinib (hazard ratio = 0.69; 95% CI, 0.50 to 0.96; one-sided P = .013). Patients receiving vandetanib experienced adverse events that were manageable and generally consistent with inhibition of EGFR and VEGFR signaling, including diarrhea, rash, and hypertension. There were no unexpected safety findings with gefitinib. Overall survival, a secondary assessment, was not significantly different between patients initially randomly assigned to either vandetanib or gefitinib.The primary efficacy objective was achieved, with vandetanib demonstrating a significant prolongation of PFS versus gefitinib. Vandetanib 300 mg/d is currently being evaluated as a monotherapy in two randomized phase III studies in advanced NSCLC.


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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
Unknown unknown lung non-small cell carcinoma not applicable Vandetanib Phase II Actionable In a Phase II trial, treatment with Caprelsa (vandetanib) increased progression-free survival in NSCLC patients, compared to Iressa (gefitinib) (PMID: 19332730). 19332730