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Published in: Cancer Chemotherapy and Pharmacology 4/2015

01-10-2015 | Original Article

First-line gefitinib treatment in elderly patients (aged ≥75 years) with non-small cell lung cancer harboring EGFR mutations

Authors: Tomohito Kuwako, Hisao Imai, Tomomi Masuda, Yosuke Miura, Kaori Seki, Reiko Yoshino, Kyoichi Kaira, Mitsuyoshi Utsugi, Kimihiro Shimizu, Noriaki Sunaga, Yoshio Tomizawa, Shinichi Ishihara, Takao Ishizuka, Akira Mogi, Takeshi Hisada, Koichi Minato, Atsushi Takise, Ryusei Saito, Masanobu Yamada

Published in: Cancer Chemotherapy and Pharmacology | Issue 4/2015

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Abstract

Purpose

The efficacy of gefitinib [an epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor] in elderly patients with non-small cell lung cancer (NSCLC) and EGFR mutation has not been elucidated. Therefore, the objective of this study was to investigate the efficacy and feasibility of gefitinib in elderly chemotherapy-naive patients with NSCLC harboring sensitive EGFR mutations.

Methods

We retrospectively evaluated the clinical effects of gefitinib as a first-line treatment for elderly (≥75 years) NSCLC patients with EGFR mutations (exon 19 deletion or exon 21 L858R mutation). All patients were initially treated with gefitinib (250 mg/day) at seven institutions.

Results

Between January 2006 and December 2012, 62 patients (17 men, 45 women) with a median age of 80 years (range, 75–89 years) were included in our analysis. The overall response and disease control rates were 61.2 and 83.8 %, respectively, and the median progression-free survival and overall survival were 13.2 and 19.0 months, respectively. Common adverse events included rash, diarrhea, and liver dysfunction. Major grade 3 or 4 toxicities included skin rash (3.2 %) and increased levels of aspartate aminotransferase or alanine aminotransferase (21.0 %). Gefitinib treatment was discontinued owing to adverse events of liver dysfunction in 3 patients, drug-induced pneumonitis in 2, and diarrhea in 1.

Conclusion

First-line gefitinib could be a preferable standard treatment in elderly patients with advanced NSCLC harboring sensitive EGFR mutations.
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Metadata
Title
First-line gefitinib treatment in elderly patients (aged ≥75 years) with non-small cell lung cancer harboring EGFR mutations
Authors
Tomohito Kuwako
Hisao Imai
Tomomi Masuda
Yosuke Miura
Kaori Seki
Reiko Yoshino
Kyoichi Kaira
Mitsuyoshi Utsugi
Kimihiro Shimizu
Noriaki Sunaga
Yoshio Tomizawa
Shinichi Ishihara
Takao Ishizuka
Akira Mogi
Takeshi Hisada
Koichi Minato
Atsushi Takise
Ryusei Saito
Masanobu Yamada
Publication date
01-10-2015
Publisher
Springer Berlin Heidelberg
Published in
Cancer Chemotherapy and Pharmacology / Issue 4/2015
Print ISSN: 0344-5704
Electronic ISSN: 1432-0843
DOI
https://doi.org/10.1007/s00280-015-2841-5

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