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Erlotinib in advanced non-small-cell lung cancer after gefitinib failure. | LitMetric

Erlotinib in advanced non-small-cell lung cancer after gefitinib failure.

Cancer Chemother Pharmacol

Oncology Department, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China.

Published: November 2009

AI Article Synopsis

Article Abstract

Purpose: To evaluate the efficacy and safety of erlotinib in advanced non-small-cell lung cancer after failure of gefitinib treatment.

Patients And Methods: Patients with advanced or metastatic NSCLC, who had progressed after gefitinib treatment, were included in this study; patients received erlotinib 150 mg/day until disease progression or intolerable toxicity.

Results: Twenty-one patients were included in this study. Among them, 14 (66.7%) were male and 7 (33.3%) were female; median age was 63 years; 10 (47.6%) patients were smokers; 9 (42.9%)patients had squamous cell carcinoma subtype; 8 (38.1%) patients had adenocarcinoma subtype and 4 (19%) patients had the other NSCLC subtype. Out of 21 patients, 2 (9.5%) had PR and 4 (19.0%) had SD, giving an overall response rate of 9.5% and a disease control rate of 28.5%. The median TTP were 55 days, the median OS were 135 days. Two patients with PR to erlotinib treatment were female never smokers with adenocarcinoma histology and both had partial response to prior gefitinib treatment. Three of four patients with a SD to erlotinib treatment also had SD from prior gefitinib therapy. Smoking history, histology and response to erlotinib were significantly correlated with survival. The most common toxic effects were skin rash.

Conclusions: Erlotinib may be an option for a more highly selected subset of patients, especially those who had already benefited from prior gefitinib treatment.

Download full-text PDF

Source
http://dx.doi.org/10.1007/s00280-009-0973-1DOI Listing

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