中国上海和美国新泽西,2024年9月30日,复宏汉霖(2696.HK)与Organon(NYSE: OGN)共同宣布,在研帕妥珠单抗(PERJETA®)生物类似药HLX11的临床III期对照研究达到了主要研究终点。复宏汉霖已于2022年与Organon达成授权许可和供应合作,授予其对包括HLX11在内的两款产品在除中国以外的全球区域进行独家商业化的权益。
NCT05346224是一项多中心、随机、双盲、平行对照的III期临床试验,旨在比较HLX11与原研帕妥珠单抗用于HER2阳性、HR阴性的早期或局部晚期乳腺癌患者新辅助治疗的疗效和安全性。合格的受试者按1:1的比例随机分为两组,分别接受HLX11或原研帕妥珠单抗联合曲妥珠单抗和多西他赛的治疗,每三周一次,共四个周期。研究的主要终点为由独立评审委员会(IRC)评估的总体病理完全缓解(tpCR)率。此次分析的次要终点包括由研究者评估的tpCR率、乳腺组织病理完全缓解(bpCR)率、客观缓解率(ORR)、无事件生存期(EFS)、无病生存期(DFS)、安全性、药代动力学和免疫原性。本研究达到了主要研究终点。
目前帕妥珠单抗已在多个国家和地区获批联合曲妥珠单抗和化疗用于HER2阳性乳腺癌的一线、新辅助和辅助治疗等一系列适应症。
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Phase 3 Comparative Clinical Study of Perjeta® (pertuzumab) Biosimilar Candidate HLX11
Shanghai, China & JERSEY CITY, N.J. – September 30, 2024 – Shanghai Henlius Biotech, Inc. (2696.HK) and Organon (NYSE: OGN) announced that the phase 3 comparative clinical trial for the investigational Perjeta® (pertuzumab) biosimilar HLX11 met the primary endpoint. In 2022, Henlius entered into a license and supply agreement with Organon for the exclusive commercialization rights to two biosimilar candidates, including HLX11. The agreement licenses the global commercialization rights for the product, except for China, to Organon.
The multicenter, randomized, double-blind, parallel-controlled phase 3 clinical study (NCT05346224) aimed to compare the efficacy and safety of HLX11 with reference Perjeta® (pertuzumab) as a neoadjuvant therapy in patients with HER2-positive, HR-negative early, or locally advanced breast cancer as part of a complete treatment regimen. Eligible patients were randomized 1:1 to receive either HLX11 or reference Perjeta (pertuzumab) in combination with trastuzumab and docetaxel every three weeks for four cycles. The primary endpoint of this study was the total pathological complete response (tpCR) rate assessed by Independent Review Committee (IRC). The secondary endpoints currently being analyzed included tpCR rate assessed by investigators, breast pathologic complete response (bpCR) rate, objective response rate (ORR), event-free survival (EFS), disease-free survival (DFS), safety, pharmacokinetics, and immunogenicity. The primary endpoint of this study was met.
Pertuzumab has been approved in various countries and regions in combination with trastuzumab and chemotherapy for the neoadjuvant, first-line, and adjuvant treatment for certain advanced HER2-positive breast cancer.
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投资者:IR@Henlius.com
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