Yaqrit HE候選藥物進入3期試驗階段




Yaqrit 的 HE 候选药物进入 3 期试验阶段并在 EASL 上展示了相关支持数据

2025年5月7日,伦敦(GLOBE NEWSWIRE)—— Yaqrit 是一家專注於臨床後期的公司,致力於開發治療晚期肝病的救命療法。該公司於5月7日至10日在阿姆斯特丹舉行的歐洲肝臟研究協會(EASL)大會上,披露了其用於治療肝性腦病(HE)的3期和2b/3期候選藥物YAQ006(靜脈注射)和YAQ007(口服)的臨床試驗進展數據。這些數據加深了對作用機制的理解,確定了HE患者群體中的治療起始和終點,並界定了用於預防明顯HE復發的YAQ007(氨清除劑口服製劑)的劑量。

“隨著我們對YAQ006和YAQ007的臨床研究進入後期階段,2025年EASL為Yaqrit提供了一個與肝病領域的臨床醫生和研究人員分享數據的絕佳機會。”**Yaqrit首席執行官Troels Jordansen**表示,“晚期肝病領域顯然存在未滿足的醫療需求:EASL的報告表明,Yaqrit正在為在合適的時間向合適的患者以正確的劑量提供正確的藥物而努力。”

YAQ006和YAQ007分別是強效氨清除劑L-鳥氨酸苯乙酸鹽(L-OPA)的靜脈注射劑和口服製劑。Yaqrit正在準備啟動一項針對YAQ006的3期試驗,用於治療顯性HE(失代償期肝硬化的致命並發症)的住院患者;同時,還計劃開展一項針對YAQ007的2b/3期試驗,用於門診患者以預防顯性HE的復發。

EASL披露的一則重要信息是開發了患者分期方案——mHEST(改良肝性腦病分期工具)。美國食品藥品監督管理局(FDA)已批准使用mHEST評估YAQ006針對顯性HE患者的3期試驗中“具有臨床意義的改善”這一主要終點。在mHEST中,評級者間和評級者內的高度一致性將減少對主觀評估和解讀的依賴,幫助各中心的臨床研究人員在整個試驗過程中對患者選擇和終點達成一致。

在EASL的第二場報告中介紹了YAQ007(口服L-OPA製劑)的劑量設定臨床研究。研究顯示,每日接受兩次4克YAQ007的患者血漿氨下降幅度是接受利福昔明(每日兩次,每次550毫克)患者的6倍,利福昔明是目前用於肝性腦病標準治療的抗生素。二者在不良事件方面並無顯著差異。

HE小鼠模型中的轉錄和代謝分析提供的證據表明,L-OPA的作用方式可能與YAQ005(一種TLR4拮抗劑)在治療高氨血症方面互補。這為未來改進治療策略帶來了可能性。

“在治療和預防有多種複雜因素影響的晚期肝病時,無論是在控制臨床試驗變量,還是理解藥物作用機制方面,知識理解都無可替代。”**Yaqrit創始人兼首席醫療官Rajiv Jalan教授**表示,“這些令人印象深刻的數據堅定了對Yaqrit管線資產臨床途徑的信心。”

Yaqrit在2025年EASL上所作八場報告的詳細信息,可訪問Yaqrit網站的最新消息。

評論

Yaqrit的最新進展顯示出其在肝性腦病治療領域的潛力,尤其是YAQ006和YAQ007的臨床數據提供了強有力的支持。這不僅是對現有治療方法的挑戰,也可能改變未來的治療標準。肝性腦病的復發率高達50%,而Yaqrit的研究能否成功將直接影響數以萬計患者的生活質量。更值得注意的是,mHEST的開發將在臨床試驗中提供更為客觀的評估標準,這對於未來的藥物開發至關重要。隨著這些新療法的推進,期待Yaqrit能在這個急需創新解決方案的領域中取得突破。

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