Vanda新藥申FDA股價急升!




Vanda Pharmaceuticals股價上升 因向FDA提交治療全身性膿皰性乾癬申請

美國時間2025年12月15日,Vanda Pharmaceuticals Inc(納斯達克代碼:VNDA)股價周一上漲5.1%,原因是該公司宣布已向美國食品藥品監督管理局(FDA)提交生物製劑許可申請(BLA),用於其新藥imsidolimab,該藥用於治療罕見且嚴重的自體炎症性皮膚病——全身性膿皰性乾癬(GPP)。

Vanda表示,這款IL-36受體拮抗劑的申請基於其全球三期臨床試驗GEMINI-1和GEMINI-2的正面結果。研究顯示,單次靜脈注射imsidolimab能迅速清除皮膚病變,且在隨後約兩年的維持療程中,每月給藥均能保持療效穩定。

GPP是一種罕見、慢性且危及生命的自體炎症性皮膚疾病,特徵是突然爆發的廣泛膿皰、紅斑及全身症狀。此病在全球的患病率估計介乎每百萬人2至124例,顯示其醫療需求尚未被充分滿足。

在45名患者參與的GEMINI-1三期試驗中,接受任一劑量imsidolimab的患者中,有53%在第4周達到皮膚清潔或接近清潔的狀態,而對照組僅有13%。繼續參與GEMINI-2維持研究的患者,在接受每月imsidolimab治療時,均保持皮膚清潔且無病情復發。

Vanda已申請優先審核資格,若獲批准,FDA將在六個月內完成審核,意味該藥有望於2026年中獲得批准上市。

該公司指出,imsidolimab的開發延續了其在罕見孤兒病及抗炎藥物領域的專業積累,目前旗下產品Ponvory已獲批用於多發性硬化症,且正開發用於乾癬及潰瘍性結腸炎。

評論與深度觀察

Vanda Pharmaceuticals此次向FDA提交全身性膿皰性乾癬新藥imsidolimab的申請,反映出公司在罕見疾病治療領域的戰略聚焦。GPP作為一種極為罕見且病情嚴重的自體炎症疾病,患者長期缺乏有效治療方案,市場空間雖小但醫療需求迫切,這類孤兒藥物通常能獲得較高的定價權和政策支持。

從臨床數據看,GEMINI系列三期試驗結果顯示imsidolimab療效顯著且持久,尤其是在維持期無復發的表現,對於患者生活質量提升具實質意義。FDA若授予優先審核,將大幅縮短審批時間,為公司帶來提前商業化的契機。

同時,Vanda藉此鞏固其在抗炎及罕見疾病領域的產品線,與旗下已上市的Ponvory形成協同效應,有助於打造多元化的藥物組合,提升公司在生物製藥領域的競爭力。

然而,罕見疾病市場雖具吸引力,但患者基數有限,未來公司需在藥物上市後積極推廣並探索其他適應症,以擴大市場規模。另外,監管審批的不確定性、藥物安全性長期監測及競爭對手的研發進展,仍是公司需密切關注的風險點。

總括而言,Vanda此次申請標誌著公司在罕見病藥物研發上的重要一步,成功獲批將不僅惠及GPP患者,也有望提升公司整體估值和市場地位。對於投資者來說,該股短期內因利好消息獲得提振,但仍應平衡風險與機遇,持續關注後續臨床及審批進展。

以上文章由特價GPT API KEY所翻譯及撰寫。

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