本期看点
1. Assembly Biosciences公司公布了两款抗病毒疗法的积极早期临床数据,分别用于治疗复发性生殖器疱疹和慢性丁型肝炎病毒(cHDV)感染。
2. 两款针对DNA修复缺陷开发的小分子疗法获美国FDA批准开展临床试验,用于治疗胶质母细胞瘤(GBM)。
ABI-5366:公布1期临床试验的中期数据
Assembly Biosciences公司公布了一种用于治疗复发性生殖器疱疹的长效解旋酶-引物酶抑制剂ABI-5366的1b期临床试验数据。该候选疗法通过靶向病毒解旋酶-引物酶复合体发挥作用。这是一种在HSV-1和HSV-2中都保守的重要病毒酶复合体,并且宿主细胞中没有类似的酶复合体。在短期临床研究中,HSV解旋酶-引物酶抑制剂显示出比核苷类似物更佳的疗效潜力。
在具有统计效力的主要抗病毒终点——HSV-2病毒脱落率方面,接受每周350 mg剂量的队列在29天的评估期内,病毒脱落率较安慰剂组显著降低了94%(p<0.01),显示出强效的抗病毒活性。这一降幅超过了Assembly Biosciences公司为本研究设定的80%-85%的降低目标。在一项次要临床终点——生殖器病变发生率方面,相比于安慰剂组,每周350 mg剂量组的发生率降低94%(p<0.01)。此外,在评估ABI-5366每周口服剂量的前两个队列中,观察到了良好的安全性和耐受性特征。
ABI-6250:公布1a期临床试验的中期数据
Assembly Biosciences公司公布了其正在开展的ABI-6250的1a期临床试验中多个队列的中期数据结果。ABI-6250是该公司研发的一种口服小分子HDV进入抑制剂。截至目前已评估的队列数据显示,口服给药后,ABI-6250的平均半衰期为4天,支持其每日一次的口服给药目标。此外,在单次和多次给药队列中均观察到总血清胆汁酸(TBA)呈剂量依赖性升高。这些生物标志物数据表明,ABI-6250能够强效作用于钠-牛磺胆酸共转运多肽(NTCP,HDV用于感染肝细胞的受体),同时也为后续在cHDV感染患者中评估抗病毒活性的潜在剂量范围提供了依据。
GLIX1:IND申请获得FDA许可
Hemispherian公司宣布,其针对胶质母细胞瘤及其他实体瘤DNA修复缺陷的小分子药物GLIX1的IND申请已获得美国FDA批准。公司将启动GLIX1的首次人体1期临床试验,旨在评估该药物在复发性胶质母细胞瘤患者中的安全性、耐受性、药代动力学及初步疗效。GLIX1基于公司专有的GLIX技术平台开发,能够选择性清除癌细胞,同时最大程度减少对健康组织的影响。在临床前研究中,GLIX1能在经过验证的动物模型中清除肿瘤且副作用有限,具有治疗胶质瘤及其他侵袭性癌症的潜力。
STAR-001(LP-184):IND申请获得FDA许可
Lantern Pharma旗下全资子公司Starlight Therapeutics宣布,其针对胶质母细胞瘤首次进展后患者开展的1b/2a期临床试验已获美国FDA批准。该试验将评估STAR-001(LP-184)联合螺内酯(spironolactone)的疗效。STAR-001是一种可穿透血脑屏障的小分子药物,通过“合成致死”机制靶向DNA损伤修复(DDR)缺陷肿瘤,尤其对高表达PTGR1的肿瘤细胞具有选择性杀伤作用——约60%的GBM细胞具备足够水平的PTGR1来激活STAR-001。而螺内酯作为一种已获批的药物,可通过降解核苷酸切除修复(NER)通路中的关键蛋白ERCC3,诱导NER缺陷(NERD),从而显著增强STAR-001的疗效,使GBM细胞更难以修复药物造成的DNA损伤。这一联合策略具有科学合理性,尤其为在复发阶段已产生耐药的GBM患者带来了新的治疗希望。
参考资料:
[1] 큐로셀, 'CD19 CAR-T' 루푸스 국내 1/2상 "IND 승인". Retrieved Agugst 8, 2025, from https://www.biospectator.com/news/view/25924
[2] Energenesis Biomedical Announces Positive Phase I Results for ENERGI-F705PD, a Potential Disease-Modifying Treatment for Parkinson's Disease. Retrieved Agugst 8, 2025, from https://www.prnewswire.com/news-releases/energenesis-biomedical-announces-positive-phase-i-results-for-energi-f705pd-a-potential-disease-modifying-treatment-for-parkinsons-disease-302519474.html
[3] Nuvectis Pharma Provides Final Clinical Data Update from the NXP800 Phase 1b Study in Ovarian Cancer and Reports Completion of the NXP900 Phase 1a Dose Escalation Study. Retrieved Agugst 8, 2025, from https://nuvectis.com/press-release-view/?i=151930
[4] Hemispherian Receives FDA IND Clearance for First-in-Class Glioblastoma Therapeutic, GLIX1. Retrieved Agugst 8, 2025, from https://www.prnewswire.com/news-releases/hemispherian-receives-fda-ind-clearance-for-first-in-class-glioblastoma-therapeutic-glix1-302520810.html
[5] Cocrystal Pharma Presents Phase 1 Results for Pan-Viral Inhibitor CDI-988 at Department of Defense Medical Conference. Retrieved Agugst 8, 2025, from https://www.globenewswire.com/news-release/2025/08/05/3127312/0/en/Cocrystal-Pharma-Presents-Phase-1-Results-for-Pan-Viral-Inhibitor-CDI-988-at-Department-of-Defense-Medical-Conference.html
[6] Quantum Biopharma Announces Positive Results of the Clinical Study Report (CSR) for the Phase 1 Multiple Ascending Dose (MAD) Clinical Trial of Experimental Multiple Sclerosis Drug Lucid-21-302 (Lucid-MS). Retrieved Agugst 8, 2025, from https://www.globenewswire.com/news-release/2025/08/05/3127241/0/en/Quantum-Biopharma-Announces-Positive-Results-of-the-Clinical-Study-Report-CSR-for-the-Phase-1-Multiple-Ascending-Dose-MAD-Clinical-Trial-of-Experimental-Multiple-Sclerosis-Drug-Luc.html
[7] Assembly Biosciences Reports Interim Phase 1a Data from Clinical Study of Oral Entry Inhibitor Candidate ABI-6250 for Hepatitis Delta Virus. Retrieved Agugst 8, 2025, from https://www.globenewswire.com/news-release/2025/08/06/3128674/16259/en/Assembly-Biosciences-Reports-Interim-Phase-1a-Data-from-Clinical-Study-of-Oral-Entry-Inhibitor-Candidate-ABI-6250-for-Hepatitis-Delta-Virus.html
[8] 바스테라, '경구 효소모방체' PAH "美1상 IND 승인". Retrieved Agugst 8, 2025, from https://www.biospectator.com/news/view/25968
[9] Lantern Pharma’s Subsidiary, Starlight Therapeutics, Announces U.S. Food and Drug Administration Clearance of IND for Phase Ib/2a Glioblastoma Multiforme (GBM) Trial. Retrieved Agugst 8, 2025, from https://www.businesswire.com/news/home/20250806962549/en/Lantern-Pharmas-Subsidiary-Starlight-Therapeutics-Announces-U.S.-Food-and-Drug-Administration-Clearance-of-IND-for-Phase-Ib2a-Glioblastoma-Multiforme-GBM-Trial
[10] K36 Therapeutics Receives FDA Clearance of Investigational New Drug (IND) Application for KTX-2001 in Metastatic Castration-Resistant Prostate Cancer (mCRPC) and Announces Clinical Trial Collaboration with Bayer for Supply of Darolutamide. Retrieved Agugst 8, 2025, from https://www.prnewswire.com/news-releases/k36-therapeutics-receives-fda-clearance-of-investigational-new-drug-ind-application-for-ktx-2001-in-metastatic-castration-resistant-prostate-cancer-mcrpc-and-announces-clinical-trial-collaboration-with-bayer-for-supply-of-daro-302523702.html
[11] AbCellera Reports Q2 2025 Business Results & First Participants Dosed in a Phase 1 Clinical Trial of ABCL635 for Vasomotor Symptoms. Retrieved Agugst 8, 2025, from https://www.biospace.com/press-releases/abcellera-reports-q2-2025-business-results-first-participants-dosed-in-a-phase-1-clinical-trial-of-abcl635-for-vasomotor-symptoms
[12] AbCellera Reports Q2 2025 Business Results & First Participants Dosed in a Phase 1 Clinical Trial of ABCL635 for Vasomotor Symptoms. Retrieved Agugst 8, 2025, from https://investors.abcellera.com/news/news-releases/2025/AbCellera-Reports-Q2-2025-Business-Results--First-Participants-Dosed-in-a-Phase-1-Clinical-Trial-of-ABCL635-for-Vasomotor-Symptoms/default.aspx
[13] Assembly Biosciences Reports Positive Interim Results from Phase 1b Clinical Study of Long-Acting Helicase-Primase Inhibitor Candidate ABI-5366 Showing Reductions in Viral Shedding Rate and Genital Lesion Rate in Recurrent Genital Herpes. Retrieved Agugst 8, 2025, from https://www.globenewswire.com/news-release/2025/08/08/3130113/16259/en/Assembly-Biosciences-Reports-Positive-Interim-Results-from-Phase-1b-Clinical-Study-of-Long-Acting-Helicase-Primase-Inhibitor-Candidate-ABI-5366-Showing-Reductions-in-Viral-Shedding.html
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