Tsukasa Hasegawa1, Noriko Yanagitani1, Fumiyoshi Ohyanagi1,2, Keita Kudo1,3, Atsushi Horiike1,4, Yuichi Tambo1,5, Shingo Nishikawa1,5, Ryo Ariyasu1, Ken Uchibori1, Satoru Kitazono1, Makoto Nishio6. 1. Department of Thoracic Medical Oncology, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo, 135-8550, Japan. 2. Division of Pulmonary Medicine, Clinical Department of Internal Medicine, Jichi Medical University Saitama Medical Center, Saitama, Japan. 3. Department of Medical Oncology and Respiratory Medicine, National Hospital Organization Osaka Minami Medical Center, Osaka, Japan. 4. Division of Medical Oncology, Department of Medicine, Showa University School of Medicine, Tokyo, Japan. 5. Department of Respiratory Medicine, Kanazawa University Hospital, Kanazawa, Japan. 6. Department of Thoracic Medical Oncology, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo, 135-8550, Japan. mnishio@jfcr.or.jp.
Abstract
BACKGROUND: We assessed the efficacy and safety of bevacizumab and S-1 chemotherapy for patients with previously treated advanced non-squamous non-small-cell lung cancer (NSCLC). METHODS: This was a prospective single-arm study, including patients with non-squamous NSCLC who had received at least one chemotherapy regimen along with a platinum-based regimen. Bevacizumab 15 mg/kg was intravenously administered every 3 weeks, and S-1 40 mg/m2 was orally administered twice daily from day 1 (evening) through day 15 (morning). The treatment continued for 3 weeks/cycle until disease progression or until unacceptable toxicities occurred. During the lead-in part, six patients were evaluated for dose-limiting toxicity (DLT) rate. In phase II, the primary endpoint was objective response rate (ORR). Secondary endpoints were progression-free survival (PFS), overall survival (OS), and safety. RESULTS: In the lead-in part, we evaluated the safety in the first six patients and observed no DLT. In phase II, a total of 46 patients were enrolled from September 2012 to December 2018. The median follow-up duration was 13.7 months [95% confidence interval (CI) 1.4-72.0]. The ORR was 28.3%. The median PFS and OS were 4.3 (95% CI 2.9-5.9) and 15.0 months (95% CI 9.8-30.3), respectively. The most common adverse events were hypertension (65.2%), diarrhea (47.8%), mucositis oral (45.7%), and proteinuria (43.5%), and the most common grade 3 adverse events were hypertension (23.9%) and proteinuria (6.5%). Grade 4/5 adverse events were not observed. CONCLUSION: Bevacizumab and S-1 combination chemotherapy showed high activity and were well tolerated in patients with previously treated advanced non-squamous NSCLC.
BACKGROUND: We assessed the efficacy and safety of bevacizumab and S-1 chemotherapy for patients with previously treated advanced non-squamous non-small-cell lung cancer (NSCLC). METHODS: This was a prospective single-arm study, including patients with non-squamous NSCLC who had received at least one chemotherapy regimen along with a platinum-based regimen. Bevacizumab 15 mg/kg was intravenously administered every 3 weeks, and S-1 40 mg/m2 was orally administered twice daily from day 1 (evening) through day 15 (morning). The treatment continued for 3 weeks/cycle until disease progression or until unacceptable toxicities occurred. During the lead-in part, six patients were evaluated for dose-limiting toxicity (DLT) rate. In phase II, the primary endpoint was objective response rate (ORR). Secondary endpoints were progression-free survival (PFS), overall survival (OS), and safety. RESULTS: In the lead-in part, we evaluated the safety in the first six patients and observed no DLT. In phase II, a total of 46 patients were enrolled from September 2012 to December 2018. The median follow-up duration was 13.7 months [95% confidence interval (CI) 1.4-72.0]. The ORR was 28.3%. The median PFS and OS were 4.3 (95% CI 2.9-5.9) and 15.0 months (95% CI 9.8-30.3), respectively. The most common adverse events were hypertension (65.2%), diarrhea (47.8%), mucositis oral (45.7%), and proteinuria (43.5%), and the most common grade 3 adverse events were hypertension (23.9%) and proteinuria (6.5%). Grade 4/5 adverse events were not observed. CONCLUSION:Bevacizumab and S-1 combination chemotherapy showed high activity and were well tolerated in patients with previously treated advanced non-squamous NSCLC.
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