June 17, 2026 · JAMA · DOI: 10.1001/jama.2026.7745

Bispecific Antibody Ivonescimab Added to Chemotherapy in EGFR-Variant Non-Small Cell Lung Cancer: The HARMONi-A Randomized Clinical Trial

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The study aimed to determine whether adding the bispecific antibody ivonescimab to chemotherapy improves overall survival in patients with EGFR-variant non-small cell lung cancer (NSCLC) who have progressed after prior EGFR tyrosine kinase inhibitor therapy. Results showed that ivonescimab combined with chemotherapy significantly increased median overall survival to 16.8 months compared to 14.1 months with chemotherapy alone, indicating a clinically meaningful benefit despite a higher incidence of treatment-emergent adverse events.

HARMONi-A Study Investigators, Wenfeng Fang, Yuanyuan Zhao, Yongzhong Luo, Runxiang Yang, Yan Huang, Zhiyong He, Hui Zhao, Mingjun Li, Kai Li, Qibin Song, Xiaobo Du, Yulan Sun, Wei Li, Longhua Sun, Zhiyu Wang, Kunning Yang, Yun Fan, Baogang Liu, Hongyun Zhao, Ying Hu, Li Jia, Shen Xu, Tienan Yi, Dongqing Lv, Haitao Lan, Mengxia Li, Wenhua Liang, Yongsheng Wang, Hui Yang, Yuming Jia, Yuan Chen, Junguo Lu, Meiqi Shi, Chunling Liu, Ming Zhou, Jianya Zhou, Xianling Liu, Ningning Zhou, Ming He, Xiaorong Dong, Hualin Chen, Yongxing Chen, Haichuan Su, Xiaoling Li, Zhihong Zhang, Lei Yang, Ying Liu, Likun Chen, Xue Hou, Yu Zhang, Jun Guo, Ruiqiang Ma, Hong Lu, Di Wu, Weineng Feng, Wen Li, Jianan Huang, Yan Wang, Xia Song, Jiewen Peng, Laiyu Liu, Yubiao Guo, Wenting Li, Mengying Xia, Dongmei Lu, Mingxiu Hu, Zhongmin Maxwell Wang, Baiyong Li, Michelle Y Xia, Li Zhang

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