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A phase I trial of gefitinib and nimotuzumab in patients with advanced non-small cell lung cancer (NSCLC)

 Se Hyun Kim ; Hyo Sup Shim ; Byoung Chul Cho ; Crombet Tania ; Joo Hang Kim ; Hyun Chang ; Hye Ryun Kim ; Sang-Jun Ha ; Ji Hee Sung ; Yun Kyoung Hong ; Sun Mi Kim ; Jae Heon Jeong ; Jaeho Cho 
 Lung Cancer, Vol.79(3) : 270~275, 2013 
Journal Title
 Lung Cancer 
Issue Date
BACKGROUND: Nimotuzumab (TheraCIM®) is a humanized anti-epidermal growth factor receptor (EGFR) monoclonal antibody (mAb) with minimal skin toxicity. Combining a different class of anti-EGFR drug with gefitinib is a new strategy to overcome intrinsic and acquired resistance to gefitinib. The aim of this phase I trial was to determine recommended phase II dose (RPIID) and the safety of gefitinib and nimotuzumab combination treatment. METHODS: Patients with advanced/metastatic NSCLC were treated with escalating doses of weekly nimotuzumab (100mg or 200mg, IV) and fixed doses of daily gefitinib (250 mg/day, PO) until disease progression or unacceptable toxicity. We planned to enroll 10 additional patients at RPIID to ascertain the safety of treatment. EGFR mutations and KRAS mutations were analyzed from available tumor samples. RESULTS: A total of 16 patients were enrolled (3 in 100mg cohort, 13 in 200mg cohort). Six patients (37.5%) were female, and 5 (31.3%) were never smokers. Adenocarcinoma was the major histologic type (13 patients, 81.3%). Treatment was well-tolerated without dose-limiting toxicity (DLT). Four patients (25.0%) experienced grade 2 skin toxicity (1 in 100mg cohorts, 3 in 200mg cohort). Other common grade 1/2 toxicities were fatigue (37.5%) and diarrhea (25.0%). Among 16 evaluable patients, four patients (25.0%) achieved partial response and 7 patients (43.8%) had stable disease. Two of 4 responders had EGFR mutation (exon 19 deletion). CONCLUSIONS: Dual agent molecular targeting of EGFR with nimotuzumab and gefitinib in patients with advanced NSCLC is well-tolerated. The RPIID for nimotuzumab is 200mg weekly IV and for gefitinib 250 mg/day PO. Based upon this phase I trial, we are planning to conduct a randomized phase II trial comparing gefitinib and nimotuzumab with gefitinib alone in patients with advanced NSCLC.
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Yonsei Biomedical Research Center
1. 연구논문 > 1. College of Medicine > Dept. of Internal Medicine
1. 연구논문 > 1. College of Medicine > Dept. of Pathology
1. 연구논문 > 1. College of Medicine > Dept. of Radiation Oncology
Yonsei Authors
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