新研究顯示Ibalizumab對抗多重耐藥HIV有效

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Theratechnologies發佈PROMISE-US試驗中Ibalizumab的鼓舞人心的病毒抑制數據

2025年3月12日 07:30 ET | 來源:Theratechnologies

結果顯示,使用含Ibalizumab療法的患者與對照組相比,病毒檢測不到的比例相似,儘管HIV的基線嚴重程度更高。

Ibalizumab在多重耐藥HIV的重度治療經驗者中,作為組合抗逆轉錄病毒療法的一部分,持續顯示出長期的療效和安全性。

蒙特利爾,2025年3月12日(GLOBE NEWSWIRE)——Theratechnologies Inc.(“Theratechnologies”或“公司”)(TSX: TH)(NASDAQ: THTX)是一家商業階段的生物製藥公司,今天在2025年逆轉錄病毒和機會性感染會議(CROI)上發佈了來自一項現實世界觀察性登記研究的數據,顯示Ibalizumab在重度治療經驗者中有效降低HIV RNA至檢測不到的水平。

在加利福尼亞州舊金山的會議海報環節中,來自“美國多重耐藥患者結果的前瞻性觀察研究:Ibalizumab的影響”(PROMISE-US)的研究人員報告稱,接受含Ibalizumab療法的患者,其HIV病毒載量達到檢測不到的水平的比例與接受非Ibalizumab療法的患者相似,儘管他們在基線時顯示出更嚴重的HIV病徵。

“長期注射療法的可用性並未消除多重耐藥現象,重度治療經驗者應該獲得完全抑制的抗逆轉錄病毒療法,以幫助他們建立和維持病毒學控制,”發表數據的作者、密歇根州亨利·福特醫院的傳染病專家Smitha Gudipati醫生表示。“因此,我們對於看到這樣顯著的病毒量減少感到鼓舞,儘管這些患者的CD4計數較低,病毒載量較高。”

Theratechnologies此前已公布PROMISE-US的研究設計和參與者的基線特徵(ClinicalTrials.gov識別碼:NCT05388474),這是一項第四期、多中心、回顧性和前瞻性、觀察性、非干預性登記研究。該試驗旨在評估重度治療經驗者的HIV患者的風險因素和病毒學及免疫學反應的預測因子。其主要目標是通過比較接受Ibalizumab(第二組)與未接受Ibalizumab(第一組)的患者的臨床結果,評估Ibalizumab的長期療效和持久性,Ibalizumab是一種CD4導向的後附著抑制劑。

在CROI會議上,PROMISE-US的研究人員展示了一項包含112名參與者的中期非匹配亞組分析,其中70名參加者被納入第一組,42名參加者被納入第二組。在基線時,第一組中有27名參與者和第二組中有25名參與者為病毒血症,定義為病毒載量超過50 RNA拷貝/mL(分別為39%和57%;p=0.0279)。在第一組中,74%的基線病毒血症參與者的CD4 T細胞計數超過200細胞/mm3,而第二組中僅有44%的基線病毒血症參與者達到此標準(p=0.0376)。

在基線病毒血症的參與者中,第一組的50%和第二組的47%在六個月的治療後達到檢測不到的病毒載量(≤50 RNA拷貝/mL)(p=0.873)。在12個月後,第一組中53%的參與者和第二組中42%的參與者的病毒載量達到檢測不到(p=0.0524)。Ibalizumab的耐受性良好,未報告輸注反應,第二組的參與者也未因治療引發的不良事件而中止治療。

“PROMISE-US試驗是首個在現實世界環境中捕捉高度治療經驗者的多重耐藥HIV患者的長期臨床結果的登記研究,特別是在美國,”Theratechnologies的高級副總裁兼首席醫療官Christian Marsolais博士評論道。“今天發佈的數據表明,Ibalizumab可以成為現代抗逆轉錄病毒時代治療方案中的關鍵組成部分。我們期待在繼續招募和監測參與者的過程中驗證這些中期發現。”

對Theratechnologies的簡介

Theratechnologies(TSX: TH)(NASDAQ: THTX)是一家專注於商業化創新療法的專業生物製藥公司,這些療法有潛力重新定義護理標準。關於Theratechnologies的更多信息可在公司的網站上獲得,或在SEDAR+和EDGAR上查閱。

前瞻性信息

本新聞稿包含前瞻性聲明和前瞻性信息(統稱為“前瞻性聲明”),根據適用的證券法,這些聲明基於我們管理層的信念和假設,以及目前可用的信息。您可以通過“可能”、“將”、“應該”、“可以”、“有希望”、“會”、“展望”、“相信”、“計劃”、“設想”、“預期”、“期望”和“估計”等術語或這些術語的否定形式或變體來識別前瞻性聲明。本新聞稿中包含的前瞻性聲明包括但不限於有關Ibalizumab的長期安全性和療效、Ibalizumab對病毒血症減少的影響以及Ibalizumab作為現代抗逆轉錄病毒時代治療方案組成部分的使用。前瞻性聲明涉及多種假設、風險和不確定性。其中一些假設包括但不限於接受Ibalizumab的患者將達到檢測不到的HIV病毒載量水平。公司建議當前和潛在投資者參閱其在SEDAR+和EDGAR上提交的年度信息表中的“風險因素”部分,以了解與Theratechnologies業務相關的風險。讀者應仔細考慮這些及其他風險和不確定性,並不應過度依賴前瞻性聲明。前瞻性聲明反映了對未來事件的當前預期,僅在本新聞稿發布之日有效,並代表公司在該日期的預期。

公司無義務更新或修訂本新聞稿中包含的信息,無論是因為新信息、未來事件或情況還是其他原因,除非法律要求。

媒體查詢:
Julie Schneiderman
高級總監,傳播及企業事務
communications@theratech.com
1-514-336-7800

投資者查詢:
Joanne Choi
高級總監,投資者關係
jchoi@theratech.com
1-551-261-0401

這篇報導展示了Ibalizumab在多重耐藥HIV患者中的潛力,特別是在重度治療經驗者中,這是一個長期以來面臨挑戰的群體。研究表明,即使在基線時HIV病情較嚴重的情況下,這種療法依然能達到良好的病毒抑制效果,這對於未來的治療策略具有重要的啟示。這不僅是對Ibalizumab的支持,也強調了在抗逆轉錄病毒治療中,個性化和靈活性的重要性。隨著對多重耐藥HIV的認識加深,未來可能會出現更多針對這類患者的創新療法,這對於改善患者的生活質量和健康預後至關重要。

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