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Combination of chemotherapy and gefitinib as first‐line treatment for patients with advanced lung adenocarcinoma and sensitive EGFR mutations: A randomized controlled trial
Author(s) -
Han Baohui,
Jin Bo,
Chu Tianqing,
Niu Yanjie,
Dong Yu,
Xu Jianlin,
Gu Aiqing,
Zhong Hua,
Wang Huimin,
Zhang Xueyan,
Shi Chunlei,
Zhang Yanwei,
Zhang Wei,
Lou Yuqing,
Zhu Lei,
Pei Jun
Publication year - 2017
Publication title -
international journal of cancer
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.475
H-Index - 234
eISSN - 1097-0215
pISSN - 0020-7136
DOI - 10.1002/ijc.30806
Subject(s) - gefitinib , adenocarcinoma , chemotherapy , medicine , oncology , lung cancer , randomized controlled trial , adenocarcinoma of the lung , lung , epidermal growth factor receptor , cancer
To explore the optimal treatment strategy for patients who harbor sensitive EGFR mutations, a head‐to‐head study was performed to compare chemotherapy and gefitinib in combination or with either agent alone as first‐line therapy, in terms of efficacy and safety. A total of 121 untreated patients with advanced lung adenocarcinoma who harbored sensitive EGFR mutations were randomly assigned to receive gefitinib combined with pemetrexed and carboplatin, pemetrexed plus carboplatin or gefitinib alone. The progression‐free survival (PFS) of patients in the combination group (17.5 months, 95% CI, 15.3–19.7) was longer than that of patients in the chemotherapy group (5.7 months, 95% CI, 5.2–6.3) or gefitinib (11.9 months, 95% CI, 9.1–14.6) group. The (hazard ratios) HRs of PFS for the combination group vs . chemotherapy and gefitinib groups were 0.16 (95% CI, 0.09–0.29, p < 0.001) and 0.48 (95% CI, 0.29–0.78, p = 0.003), respectively. The overall response rate (ORR) in the combination therapy group, chemotherapy group and the gefitinib group was 82.5%, 32.5% and 65.9%, respectively. The combinational strategy resulted in longer overall survival (OS) than chemotherapy (HR = 0.46, p = 0.016) or gefitinib (HR = 0.36, p = 0.001) alone. Our finding suggested that treatment with pemetrexed plus carboplatin combined with gefitinib could provide better survival benefits for patients with lung adenocarcinoma harboring sensitive EGFR mutations.