Phase 2 Study of Nimotuzumab in Combination With Concurrent Chemoradiotherapy in Patients With Locally Advanced Non–Small-Cell Lung Cancer

Nobuyuki Yamamoto, Hideyuki Harada, Isamu Okamoto, Noriyuki Masuda, Kazushige Hayakawa, Miyako Satouchi, Toshinori Soejima, Makoto Nishio, Takuyo Kozuka, Koji Takeda, Masahiro Tanaka, Takashi Seto, Tomonari Sasaki, Hiroshi Tsubouchi, Yasuyuki Kakurai, Yasumasa Nishimura, Kazuhiko Nakagawa

研究成果: Contribution to journalArticle査読

抄録

Background: We evaluated the tolerability and efficacy of nimotuzumab, a humanized IgG1 monoclonal anti–epidermal growth factor receptor antibody, with concurrent chemoradiotherapy in patients with unresectable locally advanced non–small-cell lung cancer. Patients and Methods: In this multicenter, single-arm, open-label, phase 2 trial conducted in Japan (JapicCTI-090825), patients received thoracic radiotherapy (60 Gy, 2 Gy per fraction, 6 weeks) and four 4-week cycles of chemotherapy (day 1, cisplatin 80 mg/m2; days 1 and 8, vinorelbine 20 mg/m2). Nimotuzumab 200 mg was administrated weekly for 16 weeks. The primary endpoint was treatment completion rate, defined as the percentage of patients completing 60 Gy of radiotherapy within 8 weeks, 2 cycles of chemotherapy, and at least 75% of the required nimotuzumab dose during the initial 2-cycle concurrent chemoradiotherapy period. Results: Of 40 patients enrolled, 39 received the study treatment, which was well tolerated, with a completion rate of 87.2%. Thirty-eight patients completed 60 Gy of radiotherapy within 8 weeks. Infusion reaction, grade 3 or higher rash, grade 3 or higher radiation pneumonitis, or grade 4 or higher nonhematologic toxicity were not observed. The objective response rate was 69.2%. The median progression-free survival (PFS) and 5-year PFS rate were 508 days and 29.0%, respectively. The 5-year PFS rate in patients with non–squamous cell carcinoma (n = 23) was 13.7% and in patients with squamous cell carcinoma (n = 16) was 50.0%. The 5-year overall survival rate was 58.4%. Conclusion: Addition of nimotuzumab to the concurrent chemoradiotherapy regimen was well tolerated and showed potential for treating patients with locally advanced non–small-cell lung cancer, particularly squamous cell carcinoma.

本文言語英語
ページ(範囲)134-141
ページ数8
ジャーナルClinical Lung Cancer
22
2
DOI
出版ステータス出版済み - 3 2021
外部発表はい

All Science Journal Classification (ASJC) codes

  • Oncology
  • Pulmonary and Respiratory Medicine
  • Cancer Research

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