吸入式Mosliciguat藥物研究新進展:肺部藥代動力學數據發表

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Pulmovant宣布發表吸入型Mosliciguat的藥物動力學及肺部沉積數據

2025年6月16日 07:00 ET | 來源:Pulmovant, Inc.

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_三項第一階段研究支持每日一次吸入Mosliciguat,且未見嚴重系統性副作用的證據_

_結果為正在進行的第二階段PHocus研究提供信息,該研究針對與間質性肺病相關的肺動脈高壓(PH-ILD)進行Mosliciguat的治療_

美國馬薩諸塞州沃爾瑟姆,2025年6月16日(GLOBE NEWSWIRE)—— Pulmovant是一家臨床階段的生物技術公司,專注於開發創新療法,以改變成人肺部疾病的治療模式,並且是Roivant(納斯達克代碼:ROIV)旗下的公司。今天,Pulmovant宣布發表了健康男性志願者在接受Mosliciguat治療後的第一階段藥物動力學(PK)研究結果。Mosliciguat是一種潛在的首創吸入型可溶性鳥苷酸酰化酶(sGC)激活劑,具有針對性肺部給藥和每日一次的給藥設計,旨在為肺動脈高壓(PH)患者提供治療選擇。這篇經過同行評審的手稿題為《吸入型Mosliciguat(BAY 1237592)給藥後的藥物動力學及肺部沉積:健康男性隨機第一階段研究的結果》,已發表在科學期刊《臨床藥物動力學》上。這些數據顯示,吸入型Mosliciguat的半衰期較口服和靜脈給藥長,支持每日一次給藥的進一步評估,並且在給藥時可能具有有限的系統性副作用。

Pulmovant的臨床開發高級副總裁Ubaldo Martin醫生表示:“我們非常高興能在《臨床藥物動力學》上發表第一階段的PK數據,這些數據支持吸入型Mosliciguat的每日一次給藥及其在肺動脈高壓患者中的持續發展。Mosliciguat是首個設計用於乾粉吸入的sGC激活劑,這些已完成研究的PK結果表明,Mosliciguat通過吸入達到可測量的有效系統性暴露,且迄今為止未報告嚴重副作用。我們正在我們的第二階段PHocus研究中評估這一潛在的首創治療,該研究針對與間質性肺病相關的肺動脈高壓(PH-ILD)患者,這是一種具有高發病率和死亡率且治療選擇有限的嚴重疾病。”

目前,Mosliciguat在成人PH-ILD患者中的安全性和有效性正在第二階段PHocus研究(NCT06635850)中進行評估。Mosliciguat針對sGC,這是一種在一氧化氮(NO)/環鳥苷酸(cGMP)信號通路中起關鍵作用的酶,催化cGMP的產生,導致血管擴張增加、炎症和細胞凋亡減少、血管重塑逆轉及抗纖維化效果。與需要降低血紅素和NO才能發揮作用的sGC刺激劑不同,Mosliciguat是一種獨立於血紅素和NO的sGC激活劑。

已發表的手稿概述了三項在健康男性志願者中進行的第一階段研究,這些研究描述了Mosliciguat在低阻力設備中以乳糖載體基礎的乾粉配方吸入後的藥物動力學特徵。在所有三項研究中,Mosliciguat的耐受性良好,未對心率或血壓產生重大系統性影響。數據還表明,Mosliciguat在肺部的滯留時間較長,並且以緩慢、持續的方式釋放進入系統循環。這些數據提供了證據,表明Mosliciguat在測試劑量下適合進一步評估作為吸入療法。

關於肺動脈高壓和間質性肺病

肺動脈高壓(PH)是一種進展性和衰弱的疾病,其特徵是肺部血管的高血壓。這種升高的壓力迫使心臟更努力地工作以將血液泵送通過肺部,導致呼吸急促、疲勞、胸痛和頭暈等症狀。世界衛生組織將PH分為五個組別,根據其潛在原因、症狀和治療方法進行分類。第3組PH是由肺部疾病引起的PH亞型,例如間質性肺病(ILD)。ILD描述了一大類導致肺部逐漸損傷的疾病,使患者呼吸困難。美國和歐洲約有20萬名患者患有PH-ILD,這是第3組PH的子集,且其可獲得的治療選擇有限或沒有。

關於Pulmovant

Pulmovant是一家臨床階段的生物技術公司,致力於開發創新療法,以改變成人肺部疾病的治療模式。Pulmovant的首個項目Mosliciguat旨在為肺動脈高壓患者提供有效的每日一次吸入治療選擇。Mosliciguat是一種新型的潛在首創sGC激活劑,其機制與目前在PH-ILD的全球第二階段試驗中進行調查的機制有所不同。

這項研究的發展不僅是對肺動脈高壓治療的一次突破,也反映了生物技術領域對於新療法的持續探索。隨著Mosliciguat的研究進展,未來可能會為這些患者帶來新的希望和選擇,尤其是在目前治療選擇有限的情況下。這樣的創新不僅能改善患者的生活質量,還可能減少因病情惡化而導致的醫療資源耗費,對整個醫療系統而言都是一個積極的影響。

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