This is a randomized, phase 1b study to assess the safety, tolerability, pharmacokinetics (PK), and efficacy of sovilnesib at different dose levels to establish the Recommended Phase 2 Dose (RP2D) of sovilnesib in subjects with high grade serous ovarian cancer (HGSOC).

开始日期2024-04-04

申办/合作机构

Volastra Therapeutics, Inc.初创企业

NCT05902988 / Recruiting临床1/2期

A Phase I/II Study of VLS-1488 (an Oral KIF18A Inhibitor) in Subjects with Advanced Cancer

This is a first-in-human phase I/II study to examine the safety, tolerability and preliminary efficacy of VLS-1488 in subjects with advanced cancers.

开始日期2023-10-18

申办/合作机构

Volastra Therapeutics, Inc.初创企业

NCT04293094 / Completed临床1期

A Phase 1, Multicenter, Open-label, Dose-Exploration and Dose-Expansion Study Evaluating the Safety, Tolerability, Pharmacokinetics, and Efficacy of AMG 650 in Subjects With Advanced Solid Tumors

To evaluate the safety and tolerability of AMG 650 in adult participants and to determine the maximum tolerated dose (MTD) and/or recommended phase 2 dose (RP2D).

开始日期2020-03-11

申办/合作机构

Volastra Therapeutics, Inc.初创企业

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项与 Volastra Therapeutics, Inc. 相关的文献（医药）

2023-08-01·Nature

Non-cell-autonomous cancer progression from chromosomal instability.

Article

作者: Izar, Benjamin ; Tavora, Bernardo ; Laughney, Ashley M ; Wen, Hannah ; Earlie, Ethan M ; Havel, Jonathan J ; Varela, Austin A ; Bettigole, Sarah ; Hubisz, Melissa J ; Kamiya, Erina ; Amin, Amit Dipak ; Deyell, Matthew ; Garris, Christopher ; Powell, Simon ; Lettera, Emanuele ; Cavallo, Julie-Ann ; Duran, Mercedes A ; Budre, Karolina ; Phyu, Su M ; Reis-Filho, Jorge S ; Bakhoum, Samuel F ; Khan, Atif J ; Parkes, Eileen E ; Li, Jun ; Hong, Christy

Chromosomal instability (CIN) is a driver of cancer metastasis^1-4, yet the extent to which this effect depends on the immune system remains unknown. Using ContactTracing-a newly developed, validated and benchmarked tool to infer the nature and conditional dependence of cell-cell interactions from single-cell transcriptomic data-we show that CIN-induced chronic activation of the cGAS-STING pathway promotes downstream signal re-wiring in cancer cells, leading to a pro-metastatic tumour microenvironment. This re-wiring is manifested by type I interferon tachyphylaxis selectively downstream of STING and a corresponding increase in cancer cell-derived endoplasmic reticulum (ER) stress response. Reversal of CIN, depletion of cancer cell STING or inhibition of ER stress response signalling abrogates CIN-dependent effects on the tumour microenvironment and suppresses metastasis in immune competent, but not severely immune compromised, settings. Treatment with STING inhibitors reduces CIN-driven metastasis in melanoma, breast and colorectal cancers in a manner dependent on tumour cell-intrinsic STING. Finally, we show that CIN and pervasive cGAS activation in micronuclei are associated with ER stress signalling, immune suppression and metastasis in human triple-negative breast cancer, highlighting a viable strategy to identify and therapeutically intervene in tumours spurred by CIN-induced inflammation.

2021-10-01·Drug metabolism and disposition: the biological fate of chemicals

Preclinical Drug Metabolism, Pharmacokinetic, and Pharmacodynamic Profiles of Ivosidenib, an Inhibitor of Mutant Isocitrate Dehydrogenase 1 for Treatment of Isocitrate Dehydrogenase 1-Mutant Malignancies

Article

作者: Yang, Hua ; Nagaraja, Nelamangala V ; Yan, Liping ; Utley, Luke ; Chen, Yue ; Lemieux, Rene M ; Su, Shin-San M ; Popovici-Muller, Janeta ; Kim, Hyeryun ; Dang, Lenny ; Fan, Bin ; Biller, Scott A

Point mutations in isocitrate dehydrogenase 1 (IDH1) result in conversion of α-ketoglutarate to the oncometabolite, d-2-hydroxyglutarate (2-HG). Ivosidenib is a once daily (QD), orally available, potent, mutant isocitrate dehydrogenase 1 (mIDH1) inhibitor approved for the treatment of patients with relapsed or refractory acute myeloid leukemia (AML) and intensive chemotherapy-ineligible newly diagnosed AML, with a susceptible IDH1 mutation. We characterized the protein binding, metabolism, metabolites, cell permeability, and drug-drug interaction potential of ivosidenib in humans, monkeys, dogs, rats, and/or mice in in vitro experiments. In vivo pharmacokinetic (PK) profiling and assessment of drug distribution and excretion was undertaken in rats, dogs, and monkeys administered single-dose ivosidenib. The PK/pharmacodynamic (PD) relationship between ivosidenib and 2-HG was analyzed in an mIDH1 xenograft mouse model. Ivosidenib was well absorbed, showed low clearance, and moderate to long terminal half-life (5.3-18.5 hours) in rats, dogs, and monkeys. Brain to plasma exposure ratio was low (2.3%), plasma protein binding was high, and oxidative metabolism was the major elimination pathway. Ivosidenib had high cell permeability and was identified as a substrate for P-glycoprotein. There was moderate induction of cytochrome P450 (P450) enzymes CYP3A4 and CYP2B6 but minimal P450 inhibition or autoinduction. Tumor 2-HG reduction appeared to be dose- and drug-exposure-dependent. Ivosidenib showed a favorable PK profile in several animal species, along with a clear PK/PD relationship demonstrating 2-HG inhibition that translated well to patients with AML. SIGNIFICANCE STATEMENT: Ivosidenib is a mutant IDH1 (mIDH1) inhibitor approved for the treatment of certain patients with mIDH1 acute myeloid leukemia. In Sprague-Dawley rats, beagle dogs, and cynomolgus monkeys, ivosidenib demonstrated a favorable pharmacokinetic profile, and in female BALB/c mice showed clear dose- and exposure-dependent inhibition of the oncometabolite, d-2-hydroxyglutarate, which is present at abnormal levels in mIDH1 tumors. These findings led to the further development of ivosidenib and are consistent with data from patients with mIDH1 cancers and healthy participants.

2021-05-01·Cancer discovery1区 · 医学

Metastasis and Immune Evasion from Extracellular cGAMP Hydrolysis

1区 · 医学

Article

作者: Litchfield, Kevin ; Bettigole, Sarah E. ; Martin, Maria Laura ; Pauli, Chantal ; Izar, Benjamin ; Cavallo, Julie-Ann ; Humphries, Matthew P. ; Parkes, Eileen E. ; Melms, Johannes C. ; Biswas, Dhruva ; Vallabhaneni, Sreeram ; Hollmann, Travis J. ; Merghoub, Taha ; Dhanota, Ninjit ; Hanna, Matthew G. ; Elemento, Olivier ; Salto-Tellez, Manuel ; Riaz, Nadeem ; Usaite, Ieva ; Vasan, Neil ; Gottesdiener, Lee ; Reis-Filho, Jorge S. ; Shoushtari, Alexander N. ; Powell, Simon N. ; Swanton, Charles ; Kwon, John ; Bareja, Rohan ; Duran, Mercedes A. ; Chatila, Walid K. ; James, Jacqueline A. ; Sriram, Roshan K. ; Wolchok, Jedd D. ; Dorsaint, Princesca ; Su, Shin-San Michael ; Kalbasi, Anusha ; Bakhoum, Samuel F. ; DiPardo, Benjamin J. ; Li, Jun ; Wen, Hannah Y. ; Li, Hao Wei ; Li, Peng

Abstract:

Cytosolic DNA is characteristic of chromosomally unstable metastatic cancer cells, resulting in constitutive activation of the cGAS–STING innate immune pathway. How tumors co-opt inflammatory signaling while evading immune surveillance remains unknown. Here, we show that the ectonucleotidase ENPP1 promotes metastasis by selectively degrading extracellular cGAMP, an immune-stimulatory metabolite whose breakdown products include the immune suppressor adenosine. ENPP1 loss suppresses metastasis, restores tumor immune infiltration, and potentiates response to immune checkpoint blockade in a manner dependent on tumor cGAS and host STING. Conversely, overexpression of wild-type ENPP1, but not an enzymatically weakened mutant, promotes migration and metastasis, in part through the generation of extracellular adenosine, and renders otherwise sensitive tumors completely resistant to immunotherapy. In human cancers, ENPP1 expression correlates with reduced immune cell infiltration, increased metastasis, and resistance to anti–PD-1/PD-L1 treatment. Thus, cGAMP hydrolysis by ENPP1 enables chromosomally unstable tumors to transmute cGAS activation into an immune-suppressive pathway.

Significance::

Chromosomal instability promotes metastasis by generating chronic tumor inflammation. ENPP1 facilitates metastasis and enables tumor cells to tolerate inflammation by hydrolyzing the immunotransmitter cGAMP, preventing its transfer from cancer cells to immune cells.This article is highlighted in the In This Issue feature, p. 995

项与 Volastra Therapeutics, Inc. 相关的新闻（医药）

2024-11-20

·Business Wire

Seaport Therapeutics Adds Sandi Peterson to its Board of Directors

BOSTON--( BUSINESS WIRE )-- Seaport Therapeutics (“Seaport” or the “Company”), a clinical-stage biopharmaceutical company that is advancing novel neuropsychiatric medicines with a proven strategy and team, today announced that Sandra (Sandi) Peterson has been appointed to its Board of Directors. Ms. Peterson is a prominent and seasoned business leader with extensive experience driving innovation and operational excellence across leading global life sciences and consumer organizations. Ms. Peterson has held a series of high-profile leadership roles over the course of her career. Currently, she is an Operating Partner at Clayton, Dubilier & Rice, (CD&R), a private investment firm, where she invests in life sciences and consumer companies and oversees technology initiatives to enhance performance of the firm’s portfolio companies. Prior to joining CD&R in 2019, Ms. Peterson was Group Worldwide Chair for Johnson & Johnson (J&J), where she led the company’s consumer and medical devices businesses and was responsible for global operating infrastructure, technology, supply chain, quality and key strategic initiatives. “Sandi has garnered a wealth of experience over the course of her impressive career that will be a tremendous asset to Seaport as we advance novel neuropsychiatric medicines for patients and their families,” said Daphne Zohar, Founder and Chief Executive Officer of Seaport Therapeutics. “We are fortunate to have excellent individuals on our Board of Directors who each contribute unique expertise, and Sandi’s proven ability to drive innovation and scale global businesses will be particularly meaningful as we accelerate development of our pipeline.” Previously, Ms. Peterson served as Chairman & CEO of Bayer CropScience AG, CEO of Bayer Medical Care, and President of Bayer HealthCare AG’s Diabetes Care Division. She held executive positions at Medco Health Solutions (formerly known as Merck-Medco), Nabisco, Whirlpool and McKinsey. In addition to her Board position at Seaport, Ms. Peterson serves on the Microsoft Board of Directors as the lead independent director; Executive Chairwoman of Volastra Therapeutics; Board Chair of the American Academy in Berlin and Executive Committee Member of the Institute for Advanced Study. “Seaport’s innovative approach to developing new medicines for neuropsychiatric conditions has the potential to radically transform the treatment landscape for patients, particularly for those suffering from depression and anxiety,” said Ms. Peterson. “I look forward to working with Seaport’s excellent leadership team and Board to drive forward our commitment to improve patient outcomes through science and innovation.” Ms. Peterson has appeared on Fortune Magazine’s list of Most Powerful Women in Business numerous times and was featured on the magazine’s inaugural list of Leaders Who Are Changing Healthcare. She received her B.A. from Cornell University and her M.P.A. from Princeton University. About Seaport Therapeutics Seaport Therapeutics is a clinical-stage biopharmaceutical company advancing the development of novel neuropsychiatric medicines in areas of high unmet patient needs. The Company has a proven strategy of advancing clinically validated mechanisms previously held back by limitations that are overcome with its proprietary Glyph technology platform. All the therapeutic candidates in its pipeline of first and best-in-class medicines are based on the Glyph platform, which is uniquely designed to enable oral bioavailability, bypass first-pass metabolism and reduce liver enzyme elevations or hepatotoxicity and other side effects. Seaport is led by an experienced team that invented and advanced important neuropsychiatric medicines and are guided by an extensive network of renowned scientists, clinicians and key opinion leaders. For more information, please visit www.seaporttx.com .

高管变更

2024-10-16

·药渡Daily

【药渡药闻报告-创新药篇】-2024年第39期/总第160期

全球药物批准/研发动态 01 全球新药批准情况根据药渡数据统计分析，本次统计周期（2024.09.28-10.04）全球（不含中国）共有5个新药获批上市。其中，NDA批准2个，BLA批准1个，新组合疗法批准1个，新适应症批准1个。与上个统计周期相比，本次减少8个批准新药。 9月27日，GE HealthCare宣布FDA批准Flyrcado（Flurpiridaz F 18）注射液用于已知或疑似冠状动脉疾病（CAD）的成年患者在休息或应激（药物或运动）下的正电子发射断层扫描（PET）心肌灌注成像（MPI），以评估心肌缺血和梗死。Flyrcado具有更高的诊断效力，半衰期为109分钟，无需现场生产和发生器维护，并能够分销到广泛的医院和成像中心网络。 9月30日，Fresenius Kabi宣布，FDA已批准了引用Stelara®（Ustekinumab）的乌司奴单抗生物仿制药的Otulfi™（Ustekinumab-aauz），用于治疗克罗恩病、溃疡性结肠炎、中度至重度斑块状银屑病和活动性银屑病关节炎。Otulfi™在中度至重度寻常型银屑病（斑块状银屑病）患者中显示出与参比药物Stelara®相当的疗效、安全性、药代动力学和免疫原性。Otulfi™被批准用于皮下和静脉制剂。Otulfi™禁用于对Ustekinumab或任何赋形剂有显著超敏反应的患者。全球（不含中国）新药批准情况（部分） 02 全球新药申报进展根据药渡数据统计分析，本次统计周期（2024.09.28-10.04）全球（不含中国）共有8个新药申报上市。其中，NDA申报4个，BLA申报4个。与上次统计周期相比，本次增加2个NDA/BLA申报。 10月3日，AstraZeneca针对Calquence（Acalabrutinib）的补充新药上市申请已在美国被接受并授予优先审评，用于治疗既往未经治疗的套细胞淋巴瘤成人患者。将Calquence联合疗法患者的中位无进展生存期增加了近1.5年，其中mPFS为66.4个月，而SoC组为49.6个月。 NDA/BLA申报（部分）根据药渡数据统计分析，本次统计周期（2024.09.28-10.04）全球（不含中国）共有5个药物获监管机构特殊资格认定。其中，化学药4个，生物药1个。本次获监管机构特殊资格认定的药物数量与上次统计周期相同。 10月1日，Papillon Therapeutics宣布FDA已授予PPL-002孤儿药资格认定，这是一种实验性基因修饰的CD34+造血干细胞和祖细胞（HSPC）疗法，用于治疗Danon病。这种疗法旨在表达功能性Lamp-2蛋白，该蛋白在Danon病患者中严重缺乏。在临床前研究中，PPL-002已被证明可以改善受影响组织的疾病表型。PPL-002的治疗方法涉及同时靶向患者的多个器官系统，具有改变和逆转疾病进展的潜力。 10月2日，Volastra Therapeutics宣布FDA已授予KIF18A抑制剂VLS-1488快速通道资格，用于治疗铂类耐药高级别浆液性卵巢癌（HGSOC）。VLS-1488的I/II期试验正在评估晚期肿瘤（包括HGSOC）患者的安全性、耐受性和初步疗效。Volastra的两种KIF18A抑制剂VLS-1488和Sovilnesib中的每一种都具有独特的特征，并且都在招募患者进行早期研究。特殊资格认定情况（部分） 03 全球新药研发进展根据药渡数据统计分析，本次统计周期（2024.09.28-10.04）全球（不含中国）新药临床研发状态更新共计55条，涉及肿瘤、血液和淋巴疾病、遗传代谢病、神经疾病以及免疫系统疾病等共计14个领域。其中，肿瘤领域临床进展更新居各领域之首，为17条：涉及化学药7条，生物药10条。 9月27日，科伦博泰在2024年CSCO学术年会上发表了TROP2 ADC芦康沙妥珠单抗（sac-TMT)治疗转移性三阴性乳腺癌（TNBC）的多项临床研究成果及进展。结果显示，芦康沙妥珠单抗组中位PFS为6.7个月，疾病进展或死亡的风险降低68%；OS期中分析显示化疗组的中位OS为9.4个月；HR为0.53，sac-TMT相比化疗发生死亡的风险降低47%。 10月3日，映恩生物在Clinicaltrial.gov网站上注册了DB-2304的I期临床试验。DB-2304为一款BDCA2 ADC新药，采用激素类似物作为paylaod，DAR值为4。BDCA2主要在pDC上表达，DB-2304结合后内吞并释放激素类似物到细胞中，促进抑制促炎细胞因子分泌的糖皮质激素反应基因的转录，抗体的结合本身也会抑制pDC活化和干扰素的产生，两种机制发挥协同效应。临床前研究证明这种协同效应的存在，DB-2304相比于临床上的BDCA2抗体可以更好的抑制炎性细胞因子的释放。全球新药研发进展详情（部分） 04 全球医药交易事件本次统计周期（2024.09.28-10.04）全球（含中国）医药交易时间共计30起，涉及药物权益转让、公司并购等多起交易事件。全球医药交易时间汇总表（部分）国内药物批准/研发动态 01 国内新药批准情况根据药渡数据统计分析，本次统计周期（2024.09.28-10.04）国内共有3个新药获NMPA批准上市。其中，BLA批准2个，新适应症批准1个。本次NMPA批准新药数量与上个统计周期相同。 9月30日，NMPA官网显示，康方生物的PD-1/CTLA-4双特异性抗体开坦尼®（卡度尼利单抗注射液）新适应症上市申请的技术审评建议结论状态更新为：制证完毕-待发批件，该新适应症为：卡度尼利联合含氟尿嘧啶类和铂类药物化疗用于局部晚期不可切除或转移性胃或胃食管结合部（G/GEJ）腺癌患者的一线治疗。COMPASSION-15研究中，PD-L1 CPS＜5和PD-L1 CPS＜1人群占意向治疗人群的比例分别达49.8%和23%。 9月30日，NMPA宣布齐鲁制药1类新药艾帕洛利单抗托沃瑞利单抗注射液上市申请已获得批准，适应症为用于既往接受含铂化疗治疗失败的复发或转移性宫颈癌患者的治疗。II期临床研究结果显示，ORR为33.8%，达预设主要终点，DCR为64.9%，PFS达到5.4个月，70.3%受试者发生了治疗相关不良事件。试验数据表明艾帕洛利托沃瑞利单抗作为复发/转移宫颈癌的后线治疗有效且安全。国内新药批准情况（部分） 02 国内新药临床默示许可进展根据药渡数据统计分析，本次统计周期（2024.09.28-10.04）国内共有17个新药获临床默示许可，涉及20个受理号。其中，化学药6个，治疗用生物制品11个。与上次统计周期相比，本次减少32个临床默示许可获批受理号。本周国内新药临床默示许可进展（部分） 03 国内新药申报进展根据药渡数据统计分析，本次统计周期（2024.09.28-10.04）国内共有7个新药申报上市，涉及8个受理号。其中，化药4个，治疗用生物制品1个，预防用生物制品2个。与上个统计周期相比，本次减少3个新药申报上市受理号。国内新药申报上市情况（部分）根据药渡数据统计分析，本次统计周期（2024.09.28-10.04）国内共有15个新药申报临床，涉及25个受理号。其中，化学药9个，治疗用生物制品5个，预防用生物制品1个。与上次统计周期相比，本次减少79个临床申报受理号。国内新药临床申报情况（部分）根据药渡数据统计分析，本次统计周期（2024.09.28-10.04）国内共有2个药物获NMPA特殊资格认定。其中，化学药2个。与上次统计周期相比，本次减少4个获监管机构特殊资格认定的药物。 10月2日，CDE官网公示，恒瑞医药2.2类改良型新药HR19042胶囊拟纳入突破性治疗品种，针对适应症为活动性自身免疫性肝炎。HR19042是一款口服胶囊剂，能增强内皮细胞、平滑肌细胞和溶酶体膜的稳定性，抑制免疫反应和降低抗体合成，从而使组胺等过敏活性介质的释放减少和活性降低。恒瑞医药正在针对HR19042胶囊开展两项临床研究，分别为一项治疗自身免疫性肝炎的有效性和安全性研究的II期临床研究，以及一项治疗原发性IgA肾病的II/III期临床研究。 10月3日，CDE官网公示，迪哲医药申报的DZD9008片拟纳入突破性治疗品种，针对适应症为未接受过系统性治疗、携带EGFR 20号外显子插入突变的局部进展或转移性非小细胞肺癌（NSCLC）。舒沃替尼单药一线治疗EGFR exon20ins突变型晚期NSCLC的经确认cORR达78.6%，RP2D 300mg组mPFS为12.4个月，再次展现“高效低毒”的治疗潜力。目前III期临床研究WU-KONG28已在中国、欧美等多个国家开展。国内监管机构特殊资格认定药物 04 国内新药研发进展根据药渡数据统计分析，本次统计周期（2024.09.28-10.04）国内新药临床研发状态更新共计5条，涉及免疫系统、血液和淋巴系统疾病和皮肤病共计3个领域。其中，化学药1条，生物药3条，细胞疗法1条。与上次统计周期相比，本次减少2条国内新药临床研发状态更新。 9月29日，驯鹿生物在2024 IMS年会上展示了其全人源靶向BCMA的CAR-T疗法——伊基奥仑赛注射液在治疗复发难治性多发性骨髓瘤（R/R MM)的FUMANBA-1研究中不同淋巴细胞清除方案下的比较研究。研究结果表明足量的淋巴细胞清除预处理能够显著提升患者的缓解深度，延长缓解时间和无进展生存期。标准剂量组的ORR和严格意义上的sCR分别为100%和82.8%，两组在CRS和ICANS的严重程度和发生率上没有显著差异。 10月2日，康方生物的靶向于IL-12/IL-23的全人源单克隆抗体依若奇治疗中、重度斑块型银屑病受试者长期安全性和有效性III期临床研究结果于近日在EADV congress 2024向全球学界领域专家展示。依若奇短长期疗效均优异、长期疗效稳定，在减少银屑病面积和严重程度方面表现出色。患者在AK101-302研究中接受了对照药16周治疗后，第16周切换到依若奇治疗，PASI75应答率在第32周提升至81.4%，sPGA0/1达成率提升至71.1%，并在第52周稳定维持。国内新药研发进展（部分） 05 国内新药研发领域政策法规动态关于公开征求《生物类似药说明书撰写技术指导原则（征求意见稿）》意见的通知自2015年发布《生物类似药研发与评价技术指导原则（试行）》以来，国内已有多家制药企业开展生物类似药研发，部分已获准上市。为规范生物类似药说明书科学撰写，药审中心在已有经验的基础上，结合该类药物的研发特点，组织起草了《生物类似药说明书撰写技术指导原则》，现形成征求意见稿。我们诚挚地欢迎社会各界对征求意见稿提出宝贵意见和建议，并及时反馈给我们，以便后续完善。征求意见时限为自发布之日起1个月。 06 国内新药研发领域热点新闻今日！康方生物双喜临门，两款抗体药物获批 9月30日，从中国国家药监局（NMPA）及康方生物官网公示可知，康方生物PCSK9单抗伊努西单抗注射液（AK102）上市申请已正式获批；PD-1/CTLA-4双特异性抗体卡度尼利单抗注射液新适应症获批。伊努西单抗注射液伊努西单抗适应症为：在控制饮食的基础上，与他汀类药物、或者与他汀类药物及其他降脂疗法联合用药，用于在接受中等剂量或中等以上剂量他汀类药物治疗后，仍无法达到低密度脂蛋白胆固醇（LDL-C）目标的原发性高胆固醇血症（包括杂合子型家族性和非家族性高胆固醇血症）和混合型血脂异常的成人患者。更多资讯，请阅读原文齐鲁制药PD-1/CTLA-4双功能组合抗体获批上市 9月30日，从中国国家药品监督管理局（NMPA）官网公示，齐鲁制药申报的艾帕洛利托沃瑞利单抗注射液（商品名：齐倍安）获附条件批准上市，适应症为既往接受含铂化疗治疗失败的复发或转移性宫颈癌患者的治疗。艾帕洛利托沃瑞利单抗注射液（艾托组合抗体，研发代号QL1706）是全球首个获批上市的PD-1/CTLA-4双功能组合抗体，由IgG4型PD-1抗体和IgG1型CTLA-4抗体按照特定的比例组成。CTLA-4和PD-1通路均能负向调节T细胞免疫功能，艾托组合抗体能同时靶向和阻断这两条免疫检查点信号通路，激活抗肿瘤免疫反应。更多资讯，请阅读原文咨询、合作请联系作者小D有话说为方便读者阅读及保存，我们将周报原文整理成了PDF版本，如需获取全文，可点击最上方蓝字，在药渡Daily公众号后台回复“1016创新药周报”，即可下载。

孤儿药上市批准优先审批突破性疗法

2024-10-16

·医药观澜

“合成致死”机制！金赛药业癌症1类新药在美国获批临床

▎药明康德内容团队报道 10月15日，长春高新发布公告称，其子公司金赛药业GenSci122片项目获得美国FDA新药临床试验默示许可。GenSci122是由金赛药业自主研发的一种具有新型结构的小分子KIF18A抑制剂，也是一款基于“合成致死”机制的抗肿瘤新药。在中国，GenSci122以注册分类1类申报的临床研究申请已经于今年9月底获得NMPA药品审评中心（CDE）受理。公开资料显示，KIF18A是一个“合成致死”靶点。KIF18A抑制剂与染色体不稳定（CIN）及全基因组加倍（WGD）+构成合成致死。染色体不稳定性（CIN）是癌症的一个标志性特征，为有丝分裂期间染色体分离错误高发，这导致了染色体的结构和数量变化，推动了遗传异质性和癌症的进化。WGD则是人类癌症中的一个周期性事件，它会促进非整倍体的形成和CIN，进而促进肿瘤发生。公开资料显示，KIF18A是一种有丝分裂运动蛋白，在细胞有丝分裂APC动力学发挥重要作用，确保两极染色体排列正确以及纺锤体张力适当，从而实现细胞分裂的正常进展。与正常二倍体细胞相比，KIF18A在CIN肿瘤细胞中高表达，表明有丝分裂过程中对该驱动蛋白的需求增加。因此具有CIN特性的肿瘤细胞对KIF18A具有依赖性。靶向抑制KIF18A可作为肿瘤的潜在治疗策略，同时不会显著影响正常二倍体细胞的增殖。据长春高新公告介绍，GenSci122片是一种有效的选择性KIF18A抑制剂，具有显著区别于其他细胞周期和抗有丝分裂药物靶点的抗肿瘤特征。根据相关法规要求，金赛药业将有序开展后续人体临床试验工作。通过公开渠道查询，全球范围内有十几款KIF18A抑制剂新药正在研发，其中大部分处于临床前阶段，只有少数几款进入了临床研究阶段，其中：勤浩医药研发的GH2616于今年1月在中国获批临床，拟开发治疗晚期实体瘤； Volastra Therapeutics公司正在研发两款KIF18A抑制剂，它们均处于1期临床研究阶段，包括一款从安进（Amgen）引进的sovilnesib（以前称AMG650），该产品治疗铂耐药高级别浆液性卵巢癌已经获得FDA快速通道资格。另一款产品VLS-1488的1/2期首次人体临床研究还入选了今年5月举行的美国临床肿瘤学会（ASCO）年会。参考资料： [1]关于子公司GenSci122片项目获得美国食品药品监督管理局新药临床试验申请默示许可的公告. Retrieved Oct 15， 2024, from http://www.cninfo.com.cn/new/disclosure/detail?stockCode=000661&announcementId=1221384891&orgId=gssz0000661&announcementTime=2024-10-15 [2] A phase I/II, first-in-human study of VLS-1488, an oral KIF18A inhibitor, in patients with advanced cancer. Retrieved May 29 2024, from https://ascopubs-org.libproxy1.nus.edu.sg/doi/10.1200/JCO.2024.42.16_suppl.TPS3181 [3]Volastra Therapeutics官网. Fromhttps://www.volastratx.com/pipeline/ 本文来自药明康德内容团队，欢迎个人转发至朋友圈，谢绝媒体或机构未经授权以任何形式转载至其他平台。转载授权及其他合作需求，请联系wuxi_media@wuxiapptec.com。免责声明：药明康德内容团队专注介绍全球生物医药健康研究进展。本文仅作信息交流之目的，文中观点不代表药明康德立场，亦不代表药明康德支持或反对文中观点。本文也不是治疗方案推荐。如需获得治疗方案指导，请前往正规医院就诊。

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