
丹麥生技公司Genmab旗下petosemtamab、Rina-S與Epkinly相繼傳出正面臨床結果,執行長指合併療法有潛力建立新治療標準
丹麥生技公司Genmab旗下三款癌症藥物petosemtamab、Rina-S與Epkinly相繼在第3期臨床試驗取得正面結果,其中petosemtamab與Keytruda合併使用將頭頸癌患者死亡風險降低50%,帶動公司股價短短三個月翻倍,上週單週大漲48%。
AI-generated summary
Genmab是丹麥生技公司,業務核心建立在抗體藥物之上,包括雙特異性抗體。過去主要透過授權合作及藥物權利金獲利,例如嬌生旗下多發性骨髓瘤藥物Darzalex,Genmab最高可取得20%權利金。公司近年積極轉型,希望掌握更多自行開發藥物的所有權,如2025年以80億美元收購Merus取得petosemtamab,2024年以18億美元收購ProfoundBio取得Rina-S。Genmab預計於11月5日公布第3季財報。
丹麥生技公司 Genmab 癌症新藥研發傳出重大突破!旗下3款癌症治療藥物接連在第3期臨床試驗取得正面成果,其中一款頭頸癌新藥與默沙東(Merck & Co.)旗下 Keytruda 合併使用,更將患者死亡風險降低50%,帶動公司股價短短3個月翻倍,上週單週大漲48%,成為市場焦點。
《CNBC》報導,Genmab 於10月28日公布,旗下實驗性頭頸癌療法 petosemtamab,在針對復發性或轉移性頭頸癌患者的第3期臨床試驗中,與 Keytruda 合併使用,相較於單獨使用 Keytruda,患者死亡風險降低50%,腫瘤反應率也大幅提升,且沒有出現新的安全性疑慮。
這項結果引發市場熱烈反應,Genmab 股價當天大漲29%,執行長范德溫克爾(Jan van de Winkel)表示,這項合併療法有潛力為相關癌症治療建立全新的標準。
除了頭頸癌藥物,Genmab 旗下另外2款癌症療法也在10月傳出好消息。
第一款是卵巢癌治療藥物 Rina-S,在第3期臨床試驗中,相較於化療,患者疾病惡化或死亡風險降低71%,死亡風險也降低57%。巴克萊(Barclays)分析師認為,這款藥物有機會為不適合使用艾伯維(AbbVie)旗下競爭性療法 Elahere,或使用後病情仍惡化的患者,提供另一種治療選擇。
第二款則是與艾伯維共同開發的 Epkinly,針對先前未接受治療的瀰漫性大型B細胞淋巴瘤患者,與標準化療合併使用後,疾病惡化或死亡風險降低51%。
短短一個月內,3款藥物接連取得第3期臨床試驗正面成果,也讓投資人重新評估 Genmab 的市場價值。
分析師特別看好 petosemtamab 的市場潛力。傑富瑞(Jefferies)估計,若用於治療復發性或轉移性頭頸癌,這款藥物全球年銷售額高峰可能達35億美元;若未來進一步擴大至局部晚期疾病,還可能額外創造35億美元的年銷售額機會。
Genmab 的業務核心建立在抗體藥物之上,其中包括所謂的雙特異性抗體,例如 petosemtamab。這類藥物能夠同時與癌細胞上的兩種不同標靶結合。petosemtamab 的標靶是 EGFR 和 LGR5 兩種蛋白質,其設計目的不僅是阻斷幫助癌細胞生長的訊號,也能促使免疫系統攻擊腫瘤。
過去,Genmab主要透過授權合作及藥物權利金獲利,例如嬌生(Johnson & Johnson)旗下多發性骨髓瘤藥物 Darzalex,嬌生預計今年 Darzalex 的銷售額將達165億至169億美元,而Genmab 最高可取得20%的權利金。不過,公司近年積極轉型,希望掌握更多自行開發藥物的所有權,藉此保留更大比例的藥品銷售收益。
范德溫克爾表示,Genmab 在抗體及其與免疫系統互動方面的專業知識,也有助於公司辨識其他業者開發的潛力藥物。如Genmab 於2025年以80億美元收購 Merus,取得 petosemtamab;2024年則以18億美元收購 ProfoundBio,取得 Rina-S。目前公司旗下3款主要候選藥物合計已有15項第3期臨床試驗正在進行,這些收購案也成為 Genmab 商業模式轉型的核心。
Genmab 完全擁有 petosemtamab 和 Rina-S 的所有權,而 Epkinly 則與艾伯維平均分享商業收益。相較於過去與嬌生及諾華合作的模式,這些藥物讓 Genmab 能保留更大比例的收益。
Genmab 預計於11月5日公布第3季財報。
AI outlook — possibilities, not facts
Genmab將於11月5日公布第3季財報
Very likely · Within days

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