Aptose 2024年業績報告:新療法進展及合作亮點




Aptose公佈2024年年終財務結果及企業亮點

2025年3月28日,聖地牙哥和多倫多 – Aptose Biosciences Inc.(“Aptose”或“公司”)(NASDAQ: APTO, TSX: APS)是一家臨床階段的精準腫瘤學公司,正在開發基於tuspetinib(TUS)的三藥前線療法,旨在治療新診斷的急性髓性白血病(AML)患者。今天,Aptose公佈截至2024年12月31日的財務結果,並提供企業更新。

企業亮點

Aptose的首席執行官William G. Rice博士表示:“在2024年及2025年,我們將繼續推進我們的主要研究藥物tuspetinib,與venetoclax(VEN)和azacitidine(AZA)聯合使用,作為新診斷的急性髓性白血病(AML)的前線治療。”他指出,tuspetinib在AML的基因亞型中展現出良好的安全性和廣泛的活性,並在我們正在進行的TUSCANY試驗中,已在難以治療和服務不足的TP53突變/CK AML及FLT3野生型AML患者中實現完全緩解(CR)。我們期待隨著試驗的進展分享更多數據。

Tuspetinib三藥療法進展順利

Tuspetinib的Phase 1/2 TUSCANY試驗正在進行中,並已觀察到療效。該試驗的目標是為新診斷的AML患者創造一種改進的前線療法,該療法能在多種AML人群中發揮作用,包括FLT3野生型AML。2025年1月,Aptose宣布開始第一個TUSCANY試驗隊列的給藥,起始劑量為40毫克TUS,與標準治療劑量的VEN+AZA聯合使用。在40毫克TUS的劑量下,該三藥療法在難以治療的TP53突變AML和FLT3野生型AML患者中實現了完全緩解,包括可測量的殘餘病(MRD)陰性緩解。隨著早期結果的鼓舞人心和患者的良好安全性,TUSCANY試驗的隊列安全審查委員會(CSRC)於2025年2月批准將劑量提升至80毫克TUS。現在,受試者已開始在80毫克TUS劑量下接受三藥療法治療,並正在進行進一步招募。目前尚未報告任何重大安全問題,包括緩解患者的骨髓抑制持續時間過長的情況。

融資活動

在2024年,Aptose完成了幾項融資,總額約3700萬美元,以支持基於TUS的TUS+VEN+HMA三藥療法的開發。其中包括與Hanmi Pharmaceutical Co. Ltd.簽署的1000萬美元貸款協議。隨後在2025年3月,Hanmi和Aptose簽署了一項債務轉換協議,將部分債務轉換為股權,條件是Hanmi持有的Aptose已發行及流通普通股不超過19.99%。截至目前,150萬美元已轉換為409,063股普通股。除了1000萬美元的貸款外,Aptose和Hanmi正在協商一項新的tuspetinib共同開發合作協議,旨在提供額外資金以加速tuspetinib的臨床開發。

Aptose與NCI簽署CRADA

在12月,Aptose宣布與國家癌症研究所(NCI)簽署了一項合作研究與開發協議(CRADA)。根據該協議,NCI和Aptose將在NCI癌症療法評估計劃(CTEP)贊助的myeloMATCH試驗中合作,這些試驗將使用針對性療法的組合來治療分子定義的AML和骨髓增生異常綜合症(MDS)人群。

Aptose符合納斯達克最低出價要求

本月早些時候,Aptose宣布收到納斯達克上市資格部的書面通知,通知公司符合納斯達克的最低出價要求。2025年3月14日,納斯達克確認,該公司普通股的收盤出價在連續十個交易日內均達到或超過每股1.00美元。因此,公司已重新獲得符合上市規則5550(a)(2)的資格。

2024年成就及2025年計劃

在2024年,Aptose完成了多項重要里程碑,包括與Hanmi的1000萬美元貸款、800萬美元的S-1融資、與NCI的CRADA簽署,以及在TUSCANY試驗中啟動新診斷AML患者的TUS+VEN+AZA三藥療法給藥。

展望2025年,Aptose計劃在上半年報告TUS+VEN+AZA三藥療法的CR/MRD/安全性數據,並預期在EHA2025大會上報告該療法的成熟數據。

財務結果

截至2024年12月31日,Aptose的淨虧損為2543萬美元,較2023年的5120萬美元減少了2580萬美元。研究與開發支出從2023年的3676萬美元減少至2024年的1510萬美元,主要是因為APTIVATE臨床試驗活動減少及製造成本降低。

關於Aptose

Aptose Biosciences是一家臨床階段的生物技術公司,致力於開發精準醫療以解決腫瘤學中的未滿足醫療需求,初步專注於血液學。公司的小分子癌症治療管道包括旨在提供單藥療效和增強其他抗癌療法的產品,而不會產生重疊的毒性。

這些結果顯示,Aptose在新診斷AML的治療上正朝著正確的方向邁進,tuspetinib的潛力值得關注。隨著臨床試驗的推進和數據的逐步披露,Aptose可能在未來的抗癌藥物市場中佔據重要地位。然而,市場競爭激烈,Aptose需持續保持創新和資金的穩定流入,以確保其長期發展。

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