复宏汉霖(02696)发布公告，近日，HLX22(重组人源化抗HER2单克隆抗体注射液)(HLX22)联合注射用 HLX87(靶向HER2抗体偶联药物)(HLX87)一线治疗HER2阳性复发或转移性乳腺癌(BC)患者的2/3期临床 研究于中国境内(不包括中国港澳台地区，下同)完成首例患者给药。 本研究是一项评估HLX22联合HLX87一线治疗HER2阳性复发或转移性乳腺癌患者的开放、随机、多中 心的2/3期临床研究。研究包括两个阶段，第一阶段是一项开放、多中心、随机、平行对照的2期临床研 究，合格受试者将按照2:2:1:1的比例随机分配接受HLX22联合HLX87、帕妥珠单抗联合HLX87、帕妥珠 单抗联合德曲妥珠单抗或帕妥珠单抗联合曲妥珠单抗及多西他赛治疗。第一阶段的主要终点是独立影像 评估委员会(BICR)评估的客观缓解率(ORR)及无进展生存期(PFS)。第二阶段是一项开放、多中心、随 机、平行对照的3期临床研究，合格受试者将按照1:1的比例随机分配接受HLX22联合HLX87或帕妥珠单 抗联合曲妥珠单抗及多西他赛治疗。第二阶段的主要终点是BICR评估的PFS。本次研究的主要目的是 评估HLX22联合H ...

本研究是一项评估HLX22联合HLX87一线治疗HER2阳性复发或转移性乳腺癌患者的开放、随机、多中 心的2/3期临床研究。研究包括两个阶段，第一阶段是一项开放、多中心、随机、平行对照的2期临床研 究，合格受试者将按照 2:2:1:1的比例随机分配接受HLX22联合HLX87、帕妥珠单抗联合HLX87、帕妥 珠单抗联合德曲妥珠单抗或帕妥珠单抗联合曲妥珠单抗及多西他赛治疗。第一阶段的主要终点是独立影 像评估委员会(BICR)评估的客观缓解率(ORR)及无进展生存期(PFS)。第二阶段是一项开放、多中心、 随机、平行对照的3期临床研究，合格受试者将按照1:1的比例随机分配接受HLX22联合HLX87或帕妥珠 单抗联合曲妥珠单抗及多西他赛治疗。第二阶段的主要终点是BICR评估的PFS。本次研究的主要目的 是评估HLX22联合HLX87一线治疗HER2阳性复发或转移性乳腺癌的临床疗效，次要目的包括评估 HLX22联合HLX87的安全性、耐受性、药代动力学(PK)特征及免疫原性，探索潜在的预测性或耐药性 生物标志物。 智通财经APP讯，复宏汉霖(02696)发布公告，近日，HLX22(重组人源化抗HER2单克隆抗体注射 ...

Core Viewpoint - The research team from East China University of Science and Technology has developed a non-natural oxidase toolbox for the selective oxidation of taxanes, which lays a solid foundation for the efficient synthesis of paclitaxel and its analogs [2][4]. Summary by Sections Research Development - The study published in Nature Communications focuses on designing an oxidase toolbox that enables site-directed oxidation at multiple positions (C-4, C-6, C-10, C-11, C-12, and C-13) of the taxane skeleton, resulting in the efficient synthesis of 11 new taxane structures [2][4]. - The research addresses the bottleneck in the biosynthesis of paclitaxel, which has been hindered by the low catalytic efficiency and poor expression of natural P450 enzymes responsible for multi-site oxidation [4][5]. Methodology - The team screened 29 types of fungal peroxidases and found that the non-specific peroxygenase TteUPO from Thielavia terrestris exhibited the highest oxidation activity towards taxadiene [4][5]. - The crystal structure of TteUPO was analyzed, leading to the redesign of the enzyme's substrate channel, which improved catalytic efficiency and expanded oxidation sites [5]. Outcomes - A toolbox containing seven key mutants was constructed, allowing for high regio- and stereoselective oxidation at six different sites on the taxane skeleton [5]. - This toolbox not only shows excellent catalytic performance for taxadiene but also for various higher oxidation state taxane derivatives, providing a rich set of enzymatic tools for the green biosynthesis of complex natural products like paclitaxel [5].

Core Viewpoint - Company subsidiary, Liaoning Hisun Pharmaceutical Co., Ltd., has received a "Notice of Acceptance" from the National Medical Products Administration for the clinical trial application of drug "HSK46575" in combination with Olaparib or Docetaxel and Prednisone for the treatment of prostate cancer [1] Group 1: Drug Development - HSK46575 is a self-developed oral, potent, and highly selective small molecule inhibitor intended for prostate cancer treatment [1] - Preclinical research results indicate that the drug has a clear target, definite efficacy, and good safety profile, showcasing significant development potential [1] - The drug is expected to become an effective treatment for prostate cancer, addressing the current shortage of clinical treatment options [1] Group 2: Regulatory Classification - According to the National Medical Products Administration's announcement on the classification and application requirements for chemical drug registration, HSK46575 is classified as a Class 1 chemical drug [1]

Core Viewpoint - The announcement indicates that the company's subsidiary, Liaoning Hisun Pharmaceutical Co., Ltd., has received a "Notice of Acceptance" from the National Medical Products Administration for the clinical trial application of the drug "HSK46575" in combination with Olaparib or Docetaxel and Prednisone for the treatment of prostate cancer [1] Group 1: Drug Development - HSK46575 is a self-developed oral, potent, and highly selective small molecule inhibitor intended for the treatment of prostate cancer [1] - Preclinical research results show that the drug has a clear target, definite efficacy, and good safety profile, indicating high development potential [1] - The drug is expected to become an effective treatment for prostate cancer, addressing the current shortage of clinical treatment options [1] Group 2: Regulatory Classification - According to the National Medical Products Administration's announcement regarding the classification and application requirements for chemical drug registration, HSK46575 is classified as a Class 1 chemical drug [1]

Core Viewpoint - The announcement indicates that the company's subsidiary, Liaoning Hisun Pharmaceutical Co., Ltd., has received a clinical trial application acceptance notice from the National Medical Products Administration for HSK46575 tablets in combination with Olaparib or Docetaxel and Prednisone for the treatment of prostate cancer [1] Group 1 - HSK46575 is a self-developed oral, potent, and highly selective small molecule inhibitor intended for prostate cancer treatment [1] - Preclinical research results show that HSK46575 has a clear target, definite efficacy, and good safety, indicating a broad clinical application prospect [1]

Investment Rating - The report does not explicitly state an investment rating for the oncology drug industry in China, particularly focusing on ovarian cancer treatments. Core Insights - Ovarian cancer is one of the most common malignant tumors in the female reproductive system in China, ranking third in incidence among gynecological malignancies and first in mortality [6] - The early symptoms of ovarian cancer are often non-specific, leading to late-stage diagnosis and low five-year survival rates, hence it is referred to as the "silent killer" [6] - The report highlights the importance of identifying early symptoms such as abdominal discomfort, loss of appetite, and urinary changes [6] Summary by Sections Ovarian Cancer Overview - Ovarian cancer is a significant health threat to women, with a high mortality rate among gynecological cancers [6] - The most common type is epithelial ovarian cancer, which is prevalent in postmenopausal women [6][11] Treatment Pathways - The standard treatment for ovarian cancer includes surgical intervention and chemotherapy, with specific protocols based on FIGO staging [10][11] - Initial treatment options vary from comprehensive staging surgery to neoadjuvant chemotherapy, depending on the cancer stage [11] Key Drugs in Ovarian Cancer Treatment - The report lists several key drugs used in the treatment of ovarian cancer, including Carboplatin, Paclitaxel, and Bevacizumab, with varying insurance coverage and price ranges [15] - The market for first-line chemotherapy drugs is mature, while alternative treatment options still show growth potential [20] Market Dynamics - As of June 2025, the report indicates that Paclitaxel has the highest market presence among approved ovarian cancer drugs in China, followed closely by Bevacizumab [20] - The report notes that while some drugs have saturated the market, others like liposomal doxorubicin are gradually penetrating due to safety advantages [20] Genetic Risk and Prevention - For high-risk populations, genetic counseling and regular screenings are recommended, particularly for those with a family history of ovarian cancer [24][26] - The report emphasizes the importance of identifying high-risk individuals for early intervention and management [26]