
本钻研是一项多中心的II期临床钻研,旨在评估HLX22结合德曲妥珠单抗医治经尺度医治后疾病进展或不成耐受毒性反映的,HER2低表白HR阳性的部门晚期或转移性乳腺癌患者的疗效和安全性。切合前提的受试者将接受HLX22结合德曲妥珠单抗医治。该钻研的重要终点为独立影像评估委员会(IRRC)基于RECIST v1.1评估的客观缓解率(ORR)和无进展生计期(PFS);次要终点蕴含钻研者评估的客观缓解率(ORR)和无进展生计期(PFS),总生计期(OS),独立影像评估委员会(IRRC)或钻研者评估的缓解持续功夫(DOR)、安全性、药代动力学、免疫原性和生物标志物。
References
[1] Bray F, Laversanne M, Sung H, et al. CA Cancer J Clin. 2024: 1-35.
[2] Tarantino, P., et al. (2021). HER2-Low Breast Cancer: Pathological and Clinical Perspectives. Journal of Clinical Oncology, 39(15), 3205-3214.
[3] Gennari, A., et al. (2022). HER2-Low Breast Cancer: A New Entity with Therapeutic Implications. Nature Reviews Clinical Oncology, 19(6), 325-336.
[4] Modi, S., et al. (2022). Trastuzumab Deruxtecan in Previously Treated HER2-Low Advanced Breast Cancer. New England Journal of Medicine, 387(1), 9-20.
[5] Jin Li et al., HLX22 plus HLX02 and XELOX for first-line treatment of HER2-positive locally advanced or metastatic gastric/gastroesophageal junction cancer: A randomized, double-blind, multicenter phase 2 study.. JCO 42, 354-354(2024).
[6] J. Li et al., 422P HLX22 plus HLX02 and XELOX as first-line therapy for HER2-positive advanced gastric/gastroesophageal junction cancer: Updated results from a randomized, double-blind phase II study, Annals of Oncology, Annals of Oncology (2024) 35 (suppl_1): S162-S204.
[7] Li N, et al. A randomized phase 2 study of HLX22 plus trastuzumab biosimilar HLX02 and XELOX as first-line therapy for HER2-positive advanced gastric cancer. Med. 2024;5(10):1255-1265.e2.
