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77777788888免費(fèi)四肖或77777888管家婆四肖四碼和留心誤導(dǎo)的假宣傳單,全面釋義、專(zhuān)家解讀解釋與落實(shí)

77777788888免費(fèi)四肖或77777888管家婆四肖四碼和留心誤導(dǎo)的假宣傳單,全面釋義、專(zhuān)家解讀解釋與落實(shí)

luhan 2025-06-02 熱點(diǎn)追蹤 6591 次瀏覽 0個(gè)評(píng)論

界面新聞?dòng)浾?| 李科文

界面新聞編輯 | 謝欣

522據(jù)國(guó)家藥品監(jiān)督管理局(NMPA)官網(wǎng),由加科思艾力斯聯(lián)合開(kāi)發(fā)的的1類(lèi)創(chuàng)新藥KRAS G12C抑制劑枸櫞酸戈來(lái)雷塞片(glecirasib,商品名艾瑞凱,下簡(jiǎn)稱(chēng)戈來(lái)雷塞片)獲批上市。該藥適用于至少接受過(guò)一種系統(tǒng)性治療的鼠類(lèi)肉瘤病毒癌基因(KRAS)G12C 突變型的晚期非小細(xì)胞肺癌(NSCLC)成人患者。

這是國(guó)內(nèi)第三款上市的KRAS G12C抑制劑。對(duì)于加科思而言,這一節(jié)點(diǎn)意義非凡——在成立十年、港股上市五年之后,終于迎來(lái)了首款真正走向市場(chǎng)的商業(yè)化產(chǎn)品。

不過(guò)這款藥物的商業(yè)化工作并不由加科思推動(dòng),而是交由A股上市公司艾力斯負(fù)責(zé)。

2024年8月,艾力斯與加科思簽署戰(zhàn)略合作協(xié)議,艾力斯獲得在中國(guó)(包括中國(guó)大陸、香港、澳門(mén)和臺(tái)灣地區(qū))研究、開(kāi)發(fā)、生產(chǎn)、注冊(cè)以及商業(yè)化KRAS G12C抑制劑戈來(lái)雷塞和SHP2抑制劑JAB-3312的獨(dú)占許可。加科思保留戈來(lái)雷塞及JAB-3312在該地區(qū)以外的所有權(quán)利,可以繼續(xù)進(jìn)行該兩項(xiàng)藥物的研發(fā)工作。

根據(jù)協(xié)議條款,艾力斯將就此項(xiàng)授權(quán)向加科思支付1.5億元首付款,最高達(dá)7.0億元的開(kāi)發(fā)及銷(xiāo)售里程碑付款,以及兩位數(shù)比例的銷(xiāo)售提成,上述金額為含增值稅金額。

77777788888免費(fèi)四肖或77777888管家婆四肖四碼和留心誤導(dǎo)的假宣傳單,全面釋義、專(zhuān)家解讀解釋與落實(shí)

KRAS是最常見(jiàn)的致癌突變基因之一,近90%胰腺癌、30%40%結(jié)腸癌、15%20%的肺癌患者體內(nèi)均出現(xiàn)KRAS基因突變。其中又以G12C突變最為常見(jiàn)。而在安進(jìn)的Sotorasib(AMG-510)研發(fā)成功之前,這一靶點(diǎn)一直被認(rèn)為是“不可成藥”靶點(diǎn)。

據(jù)弗若斯特沙利文數(shù)據(jù),2016至2020年,中國(guó)主要KRAS G12C突變癌種的發(fā)病人數(shù)從3.8萬(wàn)人增長(zhǎng)至4.3萬(wàn)人,預(yù)計(jì)2030年將達(dá)到5.8萬(wàn)人。

非小細(xì)胞肺癌是這一突變最主要的靶向適應(yīng)癥。據(jù)IQVIA艾昆緯,KRAS G12C整體的突變率約為12%。

其中需要特別指出的是,KRAS G12C突變存在種族差異。在中國(guó)人群中,KRAS G12C 的突變率顯著低于歐美國(guó)家。據(jù)醫(yī)藥魔方引援的數(shù)據(jù),中國(guó)患者攜帶KRAS G12C突變的比例約3-4%,國(guó)外為10-13%。

而即便在突變率更高、支付能力更強(qiáng)的美國(guó)市場(chǎng),KRAS G12C 抑制劑的商業(yè)表現(xiàn)也遠(yuǎn)不如預(yù)期。

安進(jìn)的Sotorasib和百時(shí)美施貴寶收購(gòu) Mirati公司后獲得的 Adagrasib,是目前在美獲批上市的兩?KRAS G12C抑制劑,適應(yīng)癥均為二線及以上局部晚期或轉(zhuǎn)移性 NSCLC。這兩款藥如今的商業(yè)表現(xiàn),一定程度上預(yù)示了國(guó)內(nèi)KRAS G12C抑制劑未來(lái)的市場(chǎng)規(guī)模大小。

Sotorasib20215月在美國(guó)獲批上市據(jù)安進(jìn)年報(bào),Sotorasib在2021年、2022年、2023年2024銷(xiāo)售額分別僅有0.9億美元、2.85億美元、2.80億美元3.5億美元約合25.2億元人民幣)。

Sotorasib于2021年5月獲批。據(jù)Mirati公司,在2023年前三季度,Adagrasib銷(xiāo)售額為3610萬(wàn)美元(約合2.59億元人民幣)。在Mirati被百時(shí)美施貴寶收購(gòu)后,雙方均未再披露Adagrasib的銷(xiāo)售額數(shù)據(jù)。

因此在患者基礎(chǔ)更小的中國(guó)市場(chǎng),KRAS G12C抑制劑增長(zhǎng)空間得更為有限。

據(jù)中郵證券研究所預(yù)測(cè),中國(guó)非小細(xì)胞肺癌KRAS G12C突變年新發(fā)患者數(shù)量2.53萬(wàn)人假設(shè)70%患者接受1線治療后進(jìn)展,KRAS G12C抑制劑的年費(fèi)用為12萬(wàn)元,滲透率90%,可計(jì)算出中國(guó)KRAS G12C突變的非小細(xì)胞肺癌潛在市場(chǎng)19.12億元

體到戈來(lái)雷塞,華泰證券預(yù)測(cè)其銷(xiāo)售峰值或可突破10億元,并為加科思帶來(lái)兩位數(shù)比例的銷(xiāo)售分成。但考慮到美國(guó)市場(chǎng)的前車(chē)之鑒想要達(dá)到該銷(xiāo)售峰值,艾力斯在商業(yè)化上或要付出不少努力。

特別是本就不大的中國(guó)市場(chǎng),競(jìng)爭(zhēng)更為激烈不同于美國(guó)市場(chǎng)僅是兩強(qiáng)爭(zhēng)霸,在國(guó)內(nèi),KRAS G12C抑制劑已處于“三國(guó)殺”階段。

加科思的戈來(lái)雷塞片、信達(dá)生物的氟澤雷塞片和正大天晴的格索雷塞片,在首發(fā)適應(yīng)癥上面,都不約而同地選擇了相同路徑——二線KRAS G12C突變的非小細(xì)胞肺癌治療。這一適應(yīng)癥相對(duì)穩(wěn)妥,靶點(diǎn)明確,是新藥落地的習(xí)慣性首站。

特別是,三者獲批時(shí)間相近,臨床數(shù)據(jù)也接近,再加上“雷同”的適應(yīng)癥,也意味著三者將在商業(yè)化層面直接正面交鋒。

從獲批時(shí)間來(lái),三者相差時(shí)間不足一年信達(dá)生物的氟澤雷塞片最早,2024年8月21日獲批。正大天晴的格索雷塞片第二在2024年11月8日獲批。加科思的戈來(lái)雷塞片為第三,2025522。

從臨床數(shù)據(jù)看,三者表現(xiàn)也頗為接近。氟澤雷塞片客觀緩解率(ORR)49.1%,疾病控制率(DCR)90.5%,中位無(wú)進(jìn)展生存期(mPFS)9.7個(gè)月;格索雷塞片客觀緩解率(ORR)52.0%,疾病控制率(DCR)88.6%,中位無(wú)進(jìn)展生存期(mPFS)9.1個(gè)月,中位總生存期(mOS)14.1個(gè)月;戈來(lái)雷塞片客觀緩解率(ORR)為47.9%,其中包括4例患者實(shí)現(xiàn)完全緩解(CR),36例患者腫瘤縮小超過(guò)50%,疾病控制率86.3%。中位無(wú)進(jìn)展生存期(mPFS)8.2個(gè)月,中位總生存期(mOS)13.6個(gè)月。

在療效拉不開(kāi)差距,時(shí)間領(lǐng)先也不明顯的背景下,最終決定市場(chǎng)格局的,是各家的商業(yè)化執(zhí)行力。誰(shuí)能更快觸達(dá)患者、滲透醫(yī)院端、建立醫(yī)生信任,誰(shuí)能在有限的存量中拿下更多份額。

醫(yī)保將是三方的關(guān)鍵性的中期戰(zhàn)場(chǎng)。

就在半個(gè)月前,5月6日,據(jù)江蘇省公共資源交易中心,信達(dá)生物的氟澤雷塞片已從24900元一瓶降至18600元,降幅達(dá)25.3%。據(jù)行業(yè)媒體健識(shí)局,信達(dá)生物回應(yīng)表示,氟澤雷塞片會(huì)參與今年的國(guó)家醫(yī)保目錄調(diào)整。

522,艾力斯也在官方新聞稿中表示,已組建了專(zhuān)業(yè)化的營(yíng)銷(xiāo)團(tuán)隊(duì),將發(fā)揮戈來(lái)雷塞的臨床治療優(yōu)勢(shì),擴(kuò)大適應(yīng)癥的患者覆蓋,并積極推動(dòng)盡快納入國(guó)家醫(yī)保目錄,惠及更多肺癌患者。

正大天晴并未向媒體公開(kāi)表態(tài),但絕大概率也不會(huì)缺席。

醫(yī)保談判壓價(jià)之后,KRAS G12C突變的非小細(xì)胞肺癌(NSCLC)二線治療市場(chǎng),難支撐起此前藥企設(shè)定的商業(yè)化預(yù)期。如何更快、更有效地打開(kāi)新的增量市場(chǎng)的難題,面前。

三者再次不約而同地選擇了相似路徑:一是將治療策略前移,向更大體量的一線人群拓展;二是拓寬到肺癌以外的其他實(shí)體瘤。

戈來(lái)雷塞正在推進(jìn)聯(lián)合SHP2抑制劑用于一線非小細(xì)胞肺癌治療的中國(guó)III期臨床,并同步規(guī)劃其與西妥昔單抗聯(lián)合治療KRAS G12C突變晚期或轉(zhuǎn)移性結(jié)直腸癌(CRC)的I期與II期研究。

氟澤雷塞選擇聯(lián)合西妥昔單抗,一線用于治療KRAS G12C突變的晚期非小細(xì)胞肺癌,目前已進(jìn)入II期臨床階段。

格索雷塞開(kāi)發(fā)策略同樣覆蓋一線非小細(xì)胞肺癌、胰腺癌與結(jié)直腸癌等多個(gè)瘤種,其中已啟動(dòng)聯(lián)合西妥昔單抗的研究,面向經(jīng)過(guò)標(biāo)準(zhǔn)二線治療失敗后、KRAS G12C突變陽(yáng)性的局部晚期或轉(zhuǎn)移性結(jié)直腸癌患者。

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