本期看點(diǎn):
1. BioNTech和映恩生物(DualityBio)宣布,接受其在研HER2靶向抗體偶聯(lián)藥物(ADC)trastuzumab pamirtecan治療的晚期子宮內(nèi)膜癌患者的確認(rèn)客觀緩解率(ORR)近50%。
2. Bold Therapeutics宣布其潛在“first-in-class”小分子BOLD-100聯(lián)合化療方案FOLFOX治療的胃腸癌患者,其oxaliplatin誘導(dǎo)的周圍神經(jīng)病變(OIPN)發(fā)生率顯著低于歷史對照水平。
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Trastuzumab pamirtecan:1/2a期試驗(yàn)結(jié)果公布
BioNTech和映恩生物(DualityBio)近日公布了其在研HER2靶向ADC療法trastuzumab pamirtecan(BNT323/DB-1303)的一項(xiàng)2期隊(duì)列主要分析結(jié)果。該研究納入HER2表達(dá)陽性的晚期子宮內(nèi)膜癌患者,這些患者在一線化療后(部分患者曾接受免疫檢查點(diǎn)抑制劑治療)疾病仍出現(xiàn)進(jìn)展。該隊(duì)列屬于一項(xiàng)全球1/2a期臨床試驗(yàn)的一部分,旨在評估trastuzumab pamirtecan在多種實(shí)體瘤中的治療潛力。研究結(jié)果顯示,該藥物單藥治療在不同HER2免疫組化表達(dá)水平(IHC1+、IHC2+、IHC3+)患者中均表現(xiàn)具有明確臨床意義的療效。
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本次2期隊(duì)列分析共納入145例HER2表達(dá)陽性的晚期或轉(zhuǎn)移性子宮內(nèi)膜癌患者,其中經(jīng)中心實(shí)驗(yàn)室確認(rèn)HER2狀態(tài)且曾接受免疫檢查點(diǎn)抑制劑治療的73例患者達(dá)到主要終點(diǎn),ORR為49.3%(95% CI:37.4–61.3)。在所有經(jīng)中心檢測的患者(n=96)中,確認(rèn)ORR為47.9%,中位無進(jìn)展生存期為8.1個月。按當(dāng)?shù)貦z測HER2狀態(tài)評估的143例可評估患者中,確認(rèn)ORR為44.1%,不同HER2表達(dá)水平患者均觀察到抗腫瘤活性,其中IHC1+、IHC2+和IHC3+患者的ORR分別為33.9%、40.4%和73.1%,中位緩解持續(xù)時間為10.3個月。安全性方面,該療法的不良反應(yīng)總體與HER2靶向ADC已知特征一致,常見治療相關(guān)不良事件包括輕度惡心、貧血、血小板減少和疲勞。
BOLD-100:2期試驗(yàn)結(jié)果公布
Bold Therapeutics近日公布了其核心在研藥物BOLD-100的最新數(shù)據(jù),顯示該藥物在減輕化療相關(guān)周圍神經(jīng)病變方面具有潛在保護(hù)作用。BOLD-100是基于釕基的潛在“first-in-class”小分子藥物,其能(1)通過選擇性抑制GRP78蛋白以改變未折疊蛋白質(zhì)反應(yīng)(UPR);以及(2)誘導(dǎo)活性氧(ROS)引起的DNA損傷和細(xì)胞周期停滯。這些效果可共同導(dǎo)致對藥物敏感和具耐藥性的癌細(xì)胞死亡,使得BOLD-100在與其他抗癌療法組合時(包含傳統(tǒng)化療、靶向療法和免疫腫瘤療法),具潛在改善各種實(shí)體和液體腫瘤預(yù)后的效果。
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FOLFOX雖為胃腸道腫瘤的一線標(biāo)準(zhǔn)化療方案,但其臨床應(yīng)用常受到急性及慢性周圍神經(jīng)病變的限制,大多數(shù)患者在治療過程中會出現(xiàn)不同程度的不良反應(yīng)。在正在進(jìn)行的2期研究中,接受BOLD-100聯(lián)合FOLFOX治療的患者,其oxaliplatin誘導(dǎo)的周圍神經(jīng)病變發(fā)生率顯著低于歷史對照水平。具體來看,在結(jié)直腸癌患者中,任意級別神經(jīng)病變發(fā)生率為14%,明顯低于53%的歷史基準(zhǔn);在膽道腫瘤患者中為35%,低于58%;在胃癌患者中為19%,顯著低于63%。Bold Therapeutics公司將在正在舉行的美國癌癥研究協(xié)會(AACR)年會上分享BOLD-100神經(jīng)保護(hù)功能的臨床前研究結(jié)果和潛在作用機(jī)制。
STC-15:2期試驗(yàn)首例患者給藥
日前,STORM Therapeutics宣布完成5600萬美元C輪融資,融資所得資金將主要用于推進(jìn)其在研候選藥物STC-15的臨床開發(fā)。目前,公司已啟動STC-15在特定肉瘤適應(yīng)癥中的2期單藥臨床研究,并已成功完成首例患者給藥。肉瘤是一類發(fā)生于骨或軟組織的惡性腫瘤,可累及肌肉、脂肪、軟骨、血管以及其他結(jié)締或支持性組織。本項(xiàng)研究旨在為STC-15探索潛在的加速審批路徑提供支持,并為未來在更多腫瘤適應(yīng)癥中的臨床開發(fā)奠定基礎(chǔ)。
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STC-15是一種潛在“first-in-class”口服小分子METTL3抑制劑。STC-15通過抑制RNA修飾酶METTL3發(fā)揮作用。該酶參與調(diào)控癌癥干細(xì)胞分化過程,而這一過程在肉瘤及多種惡性腫瘤的發(fā)生發(fā)展中具有關(guān)鍵作用。在此前開展的1期單藥臨床研究中,STC-15在多種肉瘤亞型患者中顯示出持久的腫瘤緩解效果,提示該療法有望通過靶向并重編程可轉(zhuǎn)化為癌細(xì)胞的祖細(xì)胞發(fā)揮抗腫瘤作用。
參考資料:
[1] BioNTech and DualityBio’s Antibody-Drug Conjugate Trastuzumab Pamirtecan Demonstrated Clinically Meaningful Efficacy in Patients with HER2-Expressing, Recurrent Endometrial Cancer. Retrieved April 13, 2026 from https://www.globenewswire.com/news-release/2026/04/11/3272109/0/en/BioNTech-and-DualityBio-s-Antibody-Drug-Conjugate-Trastuzumab-Pamirtecan-Demonstrated-Clinically-Meaningful-Efficacy-in-Patients-with-HER2-Expressing-Recurrent-Endometrial-Cancer.html
[2] STORM Therapeutics Secures $56 Million Series C Financing and Doses First Patient in Phase 2 Sarcoma Trial of STC?15. Retrieved April 17, 2026 from https://www.globenewswire.com/news-release/2026/04/16/3275048/0/en/STORM-Therapeutics-Secures-56-Million-Series-C-Financing-and-Doses-First-Patient-in-Phase-2-Sarcoma-Trial-of-STC-15.html
[3] TME Pharma Announces Publication of NOX-A12 “Triple Therapy” Phase 1/2 Expansion Arm A Findings from GLORIA trial in Nature Communications. Retrieved April 17, 2026 from https://www.globenewswire.com/news-release/2026/04/16/3275041/0/en/TME-Pharma-Announces-Publication-of-NOX-A12-Triple-Therapy-Phase-1-2-Expansion-Arm-A-Findings-from-GLORIA-trial-in-Nature-Communications.html
[4] Hinge Bio Announces First Subject Dosed in Phase 1 Trial of HB2198, a Novel B cell Depleting Agent, for Treating Autoimmune Disease. Retrieved April 17, 2026 from https://www.globenewswire.com/news-release/2026/04/14/3273253/0/en/Hinge-Bio-Announces-First-Subject-Dosed-in-Phase-1-Trial-of-HB2198-a-Novel-B-cell-Depleting-Agent-for-Treating-Autoimmune-Disease.html
[5] Oragenics Doses First Patient in Phase IIa Clinical Trial of ONP-002 for Mild Traumatic Brain Injury. Retrieved April 17, 2026 from https://www.globenewswire.com/news-release/2026/04/13/3272489/0/en/Oragenics-Doses-First-Patient-in-Phase-IIa-Clinical-Trial-of-ONP-002-for-Mild-Traumatic-Brain-Injury.html
[6] ImPact Biotech Presents Preliminary Data from Phase 1 Study of Padeliporfin VTP in LA-PDAC at SIR 2026 and Provides Strategic Business Update. Retrieved April 17, 2026 from https://www.globenewswire.com/news-release/2026/04/13/3272459/0/en/ImPact-Biotech-Presents-Preliminary-Data-from-Phase-1-Study-of-Padeliporfin-VTP-in-LA-PDAC-at-SIR-2026-and-Provides-Strategic-Business-Update.html
[7] MetaVia Doses the First Patient in Higher-Dose Phase 1 Study of DA-1726, Its GLP-1 and Glucagon Dual Agonist for the Treatment of Obesity. Retrieved April 17, 2026 from https://www.prnewswire.com/news-releases/metavia-doses-the-first-patient-in-higher-dose-phase-1-study-of-da-1726-its-glp-1-and-glucagon-dual-agonist-for-the-treatment-of-obesity-302738622.html
[8] Bold Therapeutics' Clinical-Stage Anticancer Agent BOLD-100 Demonstrates Protective Effects Against Chemotherapy-Induced Peripheral Neuropathy. Retrieved April 17, 2026 from https://www.prnewswire.com/news-releases/bold-therapeutics-clinical-stage-anticancer-agent-bold-100-demonstrates-protective-effects-against-chemotherapy-induced-peripheral-neuropathy-302744025.html
[9] Cellectar Enrolls First Patient in CLR 125 Auger-Emitting Radioconjugate Phase 1b Clinical Trial Targeting Refractory Triple Negative Breast Cancer (TNBC). Retrieved April 17, 2026 from https://www.globenewswire.com/news-release/2026/04/14/3273404/29076/en/Cellectar-Enrolls-First-Patient-in-CLR-125-Auger-Emitting-Radioconjugate-Phase-1b-Clinical-Trial-Targeting-Refractory-Triple-Negative-Breast-Cancer-TNBC.html
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