PulseSight獲得A輪融資 推進乾性AMD新療法PST-611開發




PulseSight Therapeutics 宣布其 A 輪融資的首次完成,以資助 PST-611 在乾性老年黃斑變性中的臨床發展

巴黎,2025年2月13日(GLOBE NEWSWIRE)—— PulseSight Therapeutics SAS,一家專注於眼科的生物技術公司,致力於開發具顛覆性的非病毒載體療法及微創給藥技術,今日宣布其 A 輪融資的首次完成,現有投資者 Pureos BioVentures 承諾提供新資金,以支持 PST-611 的第一期研究並為第二期臨床試驗的準備工作提供資助。

PST-611 是一種首創的非病毒載體療法,用於治療乾性年齡相關性黃斑變性(AMD)/地理性萎縮(GA),其表達人類轉鐵蛋白,這是一種強效的鐵調節劑。轉鐵蛋白能恢復正常的鐵穩態,已在臨床前模型中顯示出強大的有益效果,能減少氧化壓力和炎症,並保護視網膜色素上皮的完整性,有潛力防止視網膜退化和視力喪失。

AMD 是老年人中央視力喪失的主要原因,全球有 2 億人受影響。AMD 的發病機制複雜,涉及鐵穩態的失調,導致自由鐵的過剩,進而引發炎症、氧化壓力和細胞死亡。

PulseSight 已經在其創新的技術中展示了良好的安全性,以及在非感染性葡萄膜炎的先前臨床計劃中證實的生物活性。

計劃中的 PST-611-CT1 臨床試驗主要旨在確認 PST-611 給藥的良好安全性,預計將於 2025 年第二季度啟動,具體時間取決於監管機構的批准,結果預計在 2025 年底或 2026 年初公布。

A 輪融資仍然對新投資者開放,以提供資金支持 PST-611 第二期臨床試驗的準備和實施,以及 PulseSight 更廣泛的非病毒載體療法組合的開發,包括 PST-809,這是一種潛在的首創療法,用於濕性 AMD,包含編碼強效抗 VEGF 的雙基因質粒,以及 decorin,一種抗血管生成和抗纖維化的天然蛋白。濕性 AMD 是一種複雜的疾病,涉及多條病理途徑,導致進一步的視力喪失,市場上仍然存在著顯著的未滿足需求。

PulseSight 的董事會成員及 Pureos Bioventures 合夥人 Dominik Escher 表示:“Pureos 很高興能繼續支持 PulseSight,幫助其推進我們相信能為視力喪失患者帶來真正改變的治療方案。PST-611 是在 GA 這一在歐洲尚未有批准治療的失明疾病中開發的。PST-611 擁有全新的作用機制,有潛力阻止疾病的進展,這是一個真正的高未滿足醫療需求。PulseSight 擁有創新能力和專業知識,有潛力成為眼科非病毒基因療法領域的一家高價值公司。”

PulseSight Therapeutics 的首席執行官 Judith Greciet 表示:“我們很高興能獲得資金來推進我們的主導計劃 PST-611,我們相信這將成為乾性 AMD/GA 患者的一個主要新治療選擇。這筆融資使我們能夠實現確認我們藥物候選者安全性的目標,然後迅速進入第二期概念驗證研究,以展示轉鐵蛋白保護視網膜細胞和保持視力的能力。”

PulseSight Therapeutics 的董事會主席 Dirk Sauer 表示:“我祝賀 Judith 和團隊在 2024 年迅速推進 PST-611,並歡迎 Pureos BioVentures 繼續支持我們的主導候選者。對於非病毒方法仍然存在未解決的需求,這將釋放基因療法的全部潛力。我對 PulseSight 的方法及其療法背後的數據感到鼓舞,期待著其他投資者加入我們的聯盟,以進一步通過臨床研究驗證 PulseSight 的顛覆潛力。”

關於年齡相關性黃斑變性(AMD)

AMD 隨著年齡增長而發展,是一種導致中央視力逐漸、無痛喪失的疾病,對患者的日常生活造成重大負擔,影響他們閱讀、識別面孔和看見物體的能力,最終導致不可逆的中央視力喪失。乾性 AMD 是最常見的 AMD 形式,經過多個階段進展至晚期乾性 AMD,也稱為地理性萎縮(GA)。濕性 AMD 是較少見的晚期 AMD 類型,導致更快的視力喪失。任何階段的乾性 AMD 都可能轉變為濕性 AMD。在所有形式中,AMD 代表著對更有效和持久治療選擇的迫切需求,市場規模龐大且不斷增長,預計到 2031 年將達到 275 億美元。

關於 PulseSight Therapeutics

PulseSight 是一家臨床階段的生物技術公司,致力於開發具顛覆性的非病毒載體療法,並採用微創給藥技術,旨在保護和改善患有視網膜疾病的患者的視力,特別是針對年齡相關性黃斑變性(AMD),包括濕性 AMD 和因乾性 AMD 而引起的地理性萎縮(GA)。

PulseSight 的技術平台已在臨床上證實其安全性和持續活性,能將編碼治療蛋白的 DNA 質粒通過電轉染系統送入睫狀肌。睫狀肌細胞作為生物工廠,表達的治療蛋白能高效分佈到視網膜,為主要眼病提供安全且持久的治療。

在這篇報導中,我們可以看到 PulseSight Therapeutics 在眼科領域的創新努力,尤其是在乾性 AMD 的治療上。這不僅是對患者的福音,也顯示了生物技術公司在解決未滿足醫療需求方面的潛力。隨著對視網膜疾病的研究不斷深入,未來可能會出現更多具突破性的療法,這對於提高患者的生活質量至關重要。這也提醒我們,持續的資金支持和創新是推動醫療進步的關鍵因素。

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