TW201609141A - 活化人類cd40之抗體及抗人類pd-l1之抗體之組合療法 - Google Patents
活化人類cd40之抗體及抗人類pd-l1之抗體之組合療法 Download PDFInfo
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Abstract
本發明係關於一種治療增生性疾病之醫藥產品,其包含以下各物之組合:特異性結合於人類CD40之抗體或其抗原結合部分;及PD-L1抗體;及視情況存在之第3組分,其包含細胞激素抑制劑作為活性成分。
Description
本發明係關於結合人類CD40至特異性抗體與結合人類PD-L1之特異性抗體之組合療法。此等組合尤其適用於癌症治療領域。
免疫調節抗體提供一種治療方法且可用以直接增強抗腫瘤免疫反應或用作抗癌疫苗之佐劑(Melero,I.等人Nat Rev Cancer 7,2007,95-106)。促效抗CD40抗體構成此等試劑之一個最有效類別。CD40為表現於抗原呈遞細胞(APC)(諸如樹突狀細胞、B細胞及巨噬細胞)上之腫瘤壞死因子超家族之細胞表面成員。抗CD40促效劑之臨床前研究表明在抗原呈遞細胞(APC)上用交聯抗體觸發CD40可以替代通常經由CD40配位體提供之CD4T細胞幫助,且有助於CD8效應T細胞之活化以及擴增(Li,F.等人,Science 333,2011,1030-1034)。另外,CD40活化巨噬細胞亦可發揮直接腫瘤破壞功能(Beatty,G.L.等人,Science 331,2011,1612-1616;Vonderheide,R.H.等人,Oncoimmunology 2,2013,e23033)。CD40促效劑揭示於WO 2003/040170中。
近來,已發現T細胞功能障礙或因應性缺失與抑制受體(漸進式死亡1多肽(PD-1))之經誘導及持久表現同時發生。因此,對治療性靶向PD-1及經由與PD-1相互作用傳導信號之其他分子(諸如漸進式死亡配位體1(PD-L1)及漸進式死亡配位體2(PD-L2))極度關注。已提出抑制
PD-L1信號傳導作為促進T細胞免疫以治療癌症(例如腫瘤免疫)及感染(包括急性與慢性(例如持續性)感染)之手段。抗PD-L1抗體描述例如於WO 2010/077634中。
用兩種不同信號共刺激T細胞或向T細胞提供兩種不同信號為普遍接受之由抗原呈現細胞(APC)使靜息T淋巴細胞活化之淋巴細胞活化模型。Lafferty等人,Aust.J.Exp.Biol.Med.Sci. 53:27-42(1975)。共刺激機制具有治療意義,因為已證實操縱共刺激信號可提供促進或終止基於細胞之免疫反應的手段。然而,作為最佳療法,共靶向CD40及PD-L1已商品化,但仍存在明顯未得到滿足的醫學需要。
本發明包含結合於人類CD40之抗體與結合於人類PD-L1之抗體之組合療法,其係用於治療增生性疾病,尤其癌症。
本發明進一步包含醫藥產品,其包含A)第一組分,其包含特異性結合於且活化人類CD40之抗體或其抗原結合部分作為活性成分;及B)第二組分,其包含PD-L1抗體作為活性成分;該醫藥產品係用於組合、依序或同步治療增生性疾病,尤其癌症。
本發明進一步包含特異性結合於且活化人類CD40之抗體或其抗原結合部分;及PD-L1抗體之用途;其係用於製造用於組合、依序或同步治療增生性疾病,諸如癌症,較佳為實體腫瘤之藥劑。
本發明進一步包含含如上文所定義之醫藥產品之套組。
本發明進一步包含治療患增生性疾病、尤其癌症之患者的方法,該方法包含組合、同步或依序投與抗CD40及PD-L1抗體。
SEQ ID NO 1:人類CD40
SEQ ID NO 2:人類PD-L1
SEQ ID NO 3:本發明之CD40抗體之輕鏈可變域(VL)。
SEQ ID NO 4:本發明之CD40抗體之重鏈可變域(VH)。
SEQ ID NO:5重鏈可變域VH變體1,抗PD-L1 243.55
SEQ ID NO:6重鏈可變域VH變體2,抗PD-L1 243.55
SEQ ID NO:7重鏈可變域VH變體3,抗PD-L1 243.55
SEQ ID NO:8輕鏈可變域VH變體1,抗PD-L1 243.55
SEQ ID NO:9輕鏈可變域VH變體2,抗PD-L1 243.55
SEQ ID NO:10輕鏈可變域VH變體3,抗PD-L1 243.55
SEQ ID NO:11輕鏈可變域VH變體4,抗PD-L1 243.55
SEQ ID NO:12輕鏈可變域VH變體5,抗PD-L1 243.55
SEQ ID NO:13輕鏈可變域VH變體6,抗PD-L1 243.55
SEQ ID NO:14輕鏈可變域VH變體7,抗PD-L1 243.55
SEQ ID NO:15輕鏈可變域VH變體8,抗PD-L1 243.55
SEQ ID NO:16輕鏈可變域VH變體9,抗PD-L1 243.55
SEQ ID NO:17輕鏈可變域VH變體10,抗PD-L1 243.55
SEQ ID NO:18輕鏈可變域VH變體11,抗PD-L1 243.55
SEQ ID NO:19輕鏈可變域VH變體12,抗PD-L1 243.55
SEQ ID NO:20輕鏈可變域VH變體13,抗PD-L1 243.55
SEQ ID NO:21輕鏈可變域VH變體14,抗PD-L1 243.55
SEQ ID NO:22輕鏈可變域VH變體15,抗PD-L1 243.55
SEQ ID NO:23輕鏈可變域VH變體16,抗PD-L1 243.55
圖1:原位Panc02-H7-Fluc胰腺癌模型中,(a)相對於媒劑及單一療法對照之組合muFGK4.5(抗CD40)及抗PD-L1的腫瘤生長抑制之分析,(b)來自a-CD40+a-PDL1組合組的小鼠之個別腫瘤生長曲線。
圖2:在處理之第22天用組合muFGK4.5及抗PD-L1處理之個別小鼠。
圖3:原位Panc02 H7-Fluc胰腺癌模型中,相對於對照及單一療法組合muFGK4.5及抗PD-L1抗體(「Combo」)之免疫藥效動力學(PD)分析。
圖4:涉及人類抗CD40及抗PD-L1抗體之組合治療的臨床試驗之劑量及給藥時程。PD-L1抗體之劑量固定於1200mg。
圖5:添加抗TNF α作為第3組分防止藉由用抗CD40/抗PD-L1組合處理誘發之小鼠體重減輕。
圖6:添加抗TNF α作為第3組分不會損害抗CD40/抗PD-L1組合治療之抗腫瘤活性。
PD-L1(漸進式死亡配位體1)為結合PD-1(T細胞活化之後表現於T細胞上之抑制受體)之兩種配位體(PD-L1及PD-L2)中之一者,其維持於慢性刺激病況,諸如慢性感染或癌症中(參見例如Blank C等人,Cancer Immunol Immunother,2005,54:307-14;及Keir ME等人,Annual Rev Immunol,2008,26:677-704)。已報導PD-L1於腫瘤細胞上之異常表現使其免疫原性降低(Dong H等人,Nat Med,2002,8:793-800)且妨礙抗腫瘤免疫,從而產生免疫逃避(Blank C等人,Cancer Immunol Immunother,2007,56:739-45)。用單株抗體阻斷PD L1或PD 1產生在若干小鼠腫瘤模型中強且通常快速的抗腫瘤效應(參見例如Iwai Y.等人,Proc Natl Acad Sci USA,2002;99:12293-7;Strome SE等人,Cancer Res 2003;63:6501-5),表明腫瘤特異性T細胞可以不活化或受抑制狀態存在於腫瘤微環境中,且PD 1/PD L1路徑之抑制可再生腫瘤特異性T細胞反應。基於實驗數據,預期PD-L1或PD-1之阻斷會促進對腫瘤抗原之持續免疫反應(Merelli B等人,Crit Rev Oncol Hematol.,2014;89:140-65)。抗PD-L1抗體例如描述例如於WO 2010/077634中。
腫瘤壞死因子受體(TNFR)超家族之成員CD40經由其於包括B淋巴細胞、樹突狀細胞(DC)及單核細胞之抗原呈遞細胞(APC)上之表現為抗腫瘤免疫反應之關鍵調節子(參見例如Grewal IS等人,Ann Rev Immunol,1998;16:111-35;Van Kooten C等人,J Leukoc.Biol,2000;67:2-17;或O'Sullivan B等人,Crit Rev Immunol. 2003;23(1 2):83-107)。CD40刺激之DC會上調抗原加工及呈遞途徑且遷移至淋巴結以活化初始T細胞。展示促效劑CD40抗體會替代能夠清除鼠類模型中現有淋巴瘤之引起細胞毒性T淋巴細胞(CTL)擴增之CD4+淋巴細胞的功能(參見例如Sotomayor EM等人,Nature Medicine,1999;5(7):780-7;Gladue RP等人,Cancer Immunol Immunother,2011;60(7):1009-17)。CD40促效劑藉由活化宿主APC觸發免疫刺激,接著針對腫瘤驅動T細胞反應(參見例如Vonderheide RH,Clin Cancer Res,2007;13:1083-8)。
CD40促效劑及PD-L1抑制劑之組合因此可以經由CD40促效活性觸發第二淋巴器官中抗腫瘤T細胞之激活及擴增,且同時移除PD 1/PD-L1介導之抗腫瘤T細胞免疫抑制。然而,免疫療法,且更特定言之T細胞介導之免疫反應亦可產生嚴重不良事件(AE's),諸如輸注相關之反應、細胞激素釋放(CRS,「細胞激素風暴」或「高細胞介質症」、及免疫相關毒性。
根據本發明,目前已發現組合、依序或同步施用CD40促效劑及PD-L1抑制劑使得更為累加(亦即協同)地抑制腫瘤生長且甚至在活體內緩解個別腫瘤。在一較佳實施例中,依序投與兩種組分,亦即CD40促效劑及PD-L1抑制劑。
因此,在一個實施例中,本發明提供一種包含CD40促效劑及PD-L1抑制劑之協同組合。
在另一實施例中,本發明提供用於人類中該CD40促效劑及PD-L1抑制劑之可接受(亦即可耐受)之應用的劑量及給藥方案。此等劑量
及給藥方案會降低或消除免疫相關毒性之風險且改良本發明組合治療之安全概況及耐受性。
人類CD40抗原為50kDa細胞表面糖蛋白,其屬於腫瘤壞死因子受體(TNF-R)家族(Stamenkovic等人,EMBO J.8:1403-10(1989))。其亦稱為「腫瘤壞死因子受體超家族成員5」。替代名稱包括B細胞表面抗原40、Bp50、CD40L受體、CDw40、CDW40、MGC9013、p50或TNFRSF5。其例如以UniProt登記號P25942登記。在一個實施例中,人類CD40抗原具有根據SEQ ID NO:1之序列(參見表1)。
人類PD-L1(或PDL1)抗原又稱為「漸進式細胞死亡1配位體1」或CD274分子。替代名稱包含B7-H、B7H1、B7-H1、B7同源物1、MGC142294、MGC142296、PDCD1L1、PDCD1LG1、PDCD1配位體1、PDL1、PD-L1、漸進式死亡配位體1。在一個實施例中,人類PD-L1抗原具有SEQ ID NO:2之序列(表2),如例如以UniProt登記號Q9NZQ7登記。
根據本發明,「抗CD40抗體」(或「CD40抗體」、「A-CD40抗體」)為結合或特異性結合於且活化人類CD40之抗體。在一個實施例中,人類CD40具有根據SEQ ID NO:1之序列。如本文所用,「結合於人類CD40」或「特異性結合於人類CD40」或「其結合於人類CD40」或「抗CD40抗體」係指以1.0×10-8mol/l或小於1.0×10-8mol/l之KD值,在一個實施例中,以1.0×10-9mol/l或小於1.0×10-9mol/l之KD值之結合親和力特異性結合於人類CD40抗原之抗體。結合親和力由標準結合分析,諸如表面電漿子共振技術(BIAcore®,GE-Healthcare Uppsala,Sweden)確定。因此,如本文所用,「結合於且活化人類CD40抗體」係指以1.0×10-8mol/l或小於1.0×10-8mol/l(在一個實施例中1.0×10-8mol/l-1.0×10-13mol/l)之KD,在一個實施例中以1.0×10-9mol/l或小於1.0×10-9mol/l(在一個實施例中1.0×10-9mol/l-1.0×10-13mol/l)之KD之結合親和力特異性結合於人類CD40抗原之抗體。在另一實施例中,本發明之抗CD40抗體以4×10-10M或小於4×10-10M之KD結合於人類CD40。
在本發明之一個實施例中,結合於人類CD40之抗體為促效劑(「CD40促效劑」)。「促效劑」與細胞上之受體組合且引發與藉由受體之天然配位體引發之反應或活性類似或相同之反應或活性。「CD40促效劑」誘導以下反應中之任一者或所有(但不限於):B細胞增殖及/或分化;經由如ICAM-1、E-選擇素、VC AM及其類似物之此類分子上調細胞間黏著力;分泌促炎性細胞激素,諸如IL-1、IL-6、IL-8、IL-12、TNF及其類似物;藉由如TRAF(例如TRAF2及/或TRAF3)、MAP激酶(諸如NIK(NF-kB誘導激酶))、I-κB激酶(IKK/.β.)、轉錄因子NF-kB、Ras及MEK/ERK路徑、PI3K AKT路徑、P38 MAPK路徑及其
類似物之此類路徑實現經由CD40受體之信號轉導;藉由如XIAP、mcl-1、bcl-x及其類似物之此類分子實現抗凋亡信號之轉導;B及/或T細胞記憶體產生;B細胞抗體產生;B細胞同型切換、MHC第II型及CD80/86之細胞表面表現上調及類似物。
藉由促效劑活性預期,促效劑活性大於由陰性對照誘導之促效劑活性至少30%、10 35%、40%、45%、50%、60%、70%、75%、80%、85%、90%、95%或100%,如B細胞反應分析中所量測。
在另一實施例中,CD40促效劑之促效劑活性比由陰性對照誘導之促效劑活性大至少2倍或大至少3倍,如B細胞反應分析中所量測。
因此,例如,在所關注之B細胞反應為B細胞增殖之情況下,促效劑活性將誘導一定程度之B細胞增殖,該B細胞增殖程度比由陰性對照誘導之B細胞增殖程度大至少2倍或大至少3倍。
如本文所用,「CD40促效劑」包括促效CD40/CD40L相互作用之任何部分。典型地,此等部分將為促效CD40抗體或促效CD40L多肽。此等抗體包括例如人類抗體、嵌合抗體、人類化抗體、雙特異性抗體、scFvs及特異性促效CD40/CD40L結合相互作用之抗體片段。在一個實施例中,促效CD40抗體將包含嵌合、全人類或人類化CD40抗體。在另一較佳實施例中,促效CD40抗體將包含嵌合、全人類或人類化CD40抗體。
在一個實施例中,該CD40抗體為IgG2子類之全人類抗體。在又一實施例中,該抗體為如WO2003/040170中所特定揭示之抗CD40抗體中之任一者。在另一實施例中,本發明之CD40促效劑選自根據WO2003/040170之名為3.1.1、7.1.2、10.8.3、15.1.1、21.4.1、21.2.1、22.1.1、23.5.1、23.25.1、23.29.1及24.2.1之抗體之群。分泌彼等抗體之融合瘤已根據布達佩斯條約(Budapest Treaty)加以寄存。寄存編號可見於WO2003/040170之段落[0250]中。在另一實施例中,
本發明之CD40抗體包含抗體21.4.1(ATCC寄存編號PTA-3605)之重鏈及輕鏈可變域胺基酸序列。在又一實施例中,本發明之CD40抗體由抗體21.4.1(ATCC寄存編號PTA-3605)之重鏈及輕鏈胺基酸序列組成。
在一個實施例中,本發明之人類抗CD40抗體包含胺基酸SEQ ID NO:3之輕鏈可變域及胺基酸SEQ ID NO:4之重鏈可變域(表3)。
根據本發明,「PD-L1抗體」為結合於或特異性結合於人類PD-L1之抗體。在一個實施例中,人類PD-L1具有根據SEQ ID NO:2之序列。如本文所用,「結合於人類PD-L1」或「特異性結合於人類PD-L1」或「其結合於人類PD-L1」或「抗PD-L1抗體」係指以1.0×10-8mol/l或小於1.0×10-8mol/l之KD值,在一個實施例中,以1.0×10-9mol/l或小於1.0×10-9mol/l之KD值之結合親和力特異性結合於人類PD-L1抗原之抗體。結合親和力由標準結合分析,諸如表面電漿子共振技術(BIAcore®,GE-Healthcare Uppsala,Sweden)確定。因此,如本文所用,「結合於人類PD-L1之抗體」係指以1.0×10-8mol/l或小於1.0×10-8mol/l(在一個實施例中1.0×10-8mol/l-1.0×10-13mol/l)之KD,在一個實施例中以1.0×10-9mol/l或小於1.0×10-9mol/l(在一個實施例中1.0×10-9mol/l-1.0×10-13mol/l)之KD之結合親和力特異性結合於人類PD-L1抗原之抗體。
在一個實施例中,用於本文所述之組合療法之結合於人類PD-L1之抗體選自由以下組成之群:243.55.S70、243.55.H1、243.55.H12、243.55.H37、243.55.H70、243.55.H89、243.55.S1、243.55.5、243.55.8、243.55.30、243.55.34、243.55.S37、243.55.49、243.55.51、243.55.62及243.55.84。
此等抗體描述於WO 2010/77634中(序列顯示於WO 2010/77634之圖11中),且其特徵為包含以下重鏈可變域(VH)及輕鏈可變域(VL)序列(表4):
因此,根據本發明,結合於人類PD-L1之抗體(亦即組分B之抗體)之特徵在於:a)SEQ ID NO:5之重鏈可變域VH及SEQ ID NO:8之輕鏈可變域VL,或b)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:9之輕鏈可變域VL,或c)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:10之輕鏈可變域VL,或d)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:11之輕鏈可變域VL,或e)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:12之輕鏈可變域VL,或
f)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:13之輕鏈可變域VL,或g)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:14之輕鏈可變域VL,或h)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:15之輕鏈可變域VL,或i)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:16之輕鏈可變域VL,或j)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:17之輕鏈可變域VL,或k)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:18之輕鏈可變域VL,或l)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:19之輕鏈可變域VL,或m)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:20之輕鏈可變域VL,或n)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:21之輕鏈可變域VL,或o)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:22之輕鏈可變域VL,或p)SEQ ID NO:7之重鏈可變域VH及SEQ ID NO:23之輕鏈可變域VL。
因此,在一個實施例中,本發明提供一種醫藥產品,其包含A)第一組分,其包含特異性結合於且活化人類CD40之抗體或其抗原結合部分作為活性成分;及B)第二組分,其包含PD-L1抗體作為活性成分;該醫藥產品係用於組合、依序或同步治療增生性疾病,尤其癌
症。
在此實施例內,A)中之抗體為以4×10-10M或小於4×10-10M之KD結合於人類CD40之IgG2子類之全人類抗體;或包含SEQ ID NO:3之VL及SEQ ID NO:4之VH的抗體;或包含抗體21.4.1(ATCC寄存編號PTA-3605)之重鏈及輕鏈可變域胺基酸序列之抗體;或包含抗體21.4.1(ATCC寄存編號PTA-3605)之重鏈及輕鏈胺基酸序列之抗體;及B)中之抗體為上文a)至p)中提及之PD-L1抗體中之任一者。
在又一實施例中,本發明提供一種醫藥產品,其包含A)第一組分,其包含以4×10-10M或小於4×10-10M之KD結合於人類CD40之IgG2子類之全人類抗體作為活性成分;及B)第二組分,其包含PD-L1抗體作為活性成分,該PD-L1抗體選自包含以下之抗體:a)SEQ ID NO:5之重鏈可變域VH及SEQ ID NO:8之輕鏈可變域VL,或b)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:9之輕鏈可變域VL,或c)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:10之輕鏈可變域VL,或d)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:11之輕鏈可變域VL,或e)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:12之輕鏈可變域VL,或f)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:13之輕鏈可變域VL,或g)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:14之輕鏈可變域
VL,或h)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:15之輕鏈可變域VL,或i)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:16之輕鏈可變域VL,或j)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:17之輕鏈可變域VL,或k)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:18之輕鏈可變域VL,或l)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:19之輕鏈可變域VL,或m)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:20之輕鏈可變域VL,或n)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:21之輕鏈可變域VL,或o)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:22之輕鏈可變域VL,或p)SEQ ID NO:7之重鏈可變域VH及SEQ ID NO:23之輕鏈可變域VL;該醫藥產品係用於組合、依序或同步治療增生性疾病,尤其癌症。
在又一實施例中,本發明提供一種醫藥產品,其包含A)第一組分,其包含含SEQ ID NO:3之VL及SEQ ID NO:4之VH的抗體作為活性成分;及B)第二組分,其包含PD-L1抗體作為活性成分,該PD-L1抗體選自包含以下之抗體:a)SEQ ID NO:5之重鏈可變域VH及SEQ ID NO:8之輕鏈可變域
VL,或b)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:9之輕鏈可變域VL,或c)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:10之輕鏈可變域VL,或d)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:11之輕鏈可變域VL,或e)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:12之輕鏈可變域VL,或f)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:13之輕鏈可變域VL,或g)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:14之輕鏈可變域VL,或h)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:15之輕鏈可變域VL,或i)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:16之輕鏈可變域VL,或j)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:17之輕鏈可變域VL,或k)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:18之輕鏈可變域VL,或l)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:19之輕鏈可變域VL,或m)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:20之輕鏈可變域VL,或n)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:21之輕鏈可變域
VL,或o)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:22之輕鏈可變域VL,或p)SEQ ID NO:7之重鏈可變域VH及SEQ ID NO:23之輕鏈可變域VL;該醫藥產品係用於組合、依序或同步治療增生性疾病,尤其癌症。
在又一實施例中,本發明提供一種醫藥產品,其包含A)第一組分,其包含含抗體21.4.1(ATCC寄存編號PTA-3605)之重鏈及輕鏈可變域胺基酸序列之抗體作為活性成分;及B)第二組分,其包含PD-L1抗體作為活性成分,該PD-L1抗體選自包含以下之抗體:a)SEQ ID NO:5之重鏈可變域VH及SEQ ID NO:8之輕鏈可變域VL,或b)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:9之輕鏈可變域VL,或c)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:10之輕鏈可變域VL,或d)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:11之輕鏈可變域VL,或e)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:12之輕鏈可變域VL,或f)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:13之輕鏈可變域VL,或g)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:14之輕鏈可變域VL,或h)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:15之輕鏈可變域
VL,或i)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:16之輕鏈可變域VL,或j)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:17之輕鏈可變域VL,或k)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:18之輕鏈可變域VL,或l)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:19之輕鏈可變域VL,或m)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:20之輕鏈可變域VL,或n)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:21之輕鏈可變域VL,或o)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:22之輕鏈可變域VL,或p)SEQ ID NO:7之重鏈可變域VH及SEQ ID NO:23之輕鏈可變域VL;該醫藥產品係用於組合、依序或同步治療增生性疾病,尤其癌症。
在又一實施例中,本發明提供一種醫藥產品,其包含A)第一組分,其包含含抗體21.4.1(ATCC寄存編號PTA-3605)之重鏈及輕鏈胺基酸序列之抗體作為活性成分;及B)第二組分,其包含PD-L1抗體作為活性成分,該PD-L1抗體選自包含以下之抗體:a)SEQ ID NO:5之重鏈可變域VH及SEQ ID NO:8之輕鏈可變域VL,或b)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:9之輕鏈可變域
VL,或c)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:10之輕鏈可變域VL,或d)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:11之輕鏈可變域VL,或e)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:12之輕鏈可變域VL,或f)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:13之輕鏈可變域VL,或g)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:14之輕鏈可變域VL,或h)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:15之輕鏈可變域VL,或i)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:16之輕鏈可變域VL,或j)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:17之輕鏈可變域VL,或k)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:18之輕鏈可變域VL,或l)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:19之輕鏈可變域VL,或m)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:20之輕鏈可變域VL,或n)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:21之輕鏈可變域VL,或o)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:22之輕鏈可變
域VL,或p)SEQ ID NO:7之重鏈可變域VH及SEQ ID NO:23之輕鏈可變域VL;該醫藥產品係用於組合、依序或同步治療增生性疾病,尤其癌症。
在又一實施例中,本發明提供一種醫藥產品,其包含A)第一組分,其包含含SEQ ID NO:3之VL及SEQ ID NO:4之VH的抗體作為活性成分;及B)第二組分,其包含含SEQ ID NO:8之VL及SEQ ID NO:5之VH的抗體作為活性成分;該醫藥產品係用於組合、依序或同步治療增生性疾病,尤其癌症。
在又一實施例中,本發明提供一種醫藥產品,其包含A)第一組分,其包含含抗體21.4.1(ATCC寄存編號PTA-3605)之重鏈及輕鏈可變域胺基酸序列之抗體作為活性成分;及B)第二組分,其包含含抗體243.55.S70之重鏈及輕鏈可變域胺基酸序列之抗體作為活性成分;該醫藥產品係用於組合、依序或同步治療增生性疾病,尤其癌症。
在又一實施例中,本發明提供一種醫藥產品,其包含A)第一組分,其包含含抗體21.4.1(ATCC寄存編號PTA-3605)之重鏈及輕鏈胺基酸序列之抗體作為活性成分;及B)第二組分,其包含含抗體243.55.S70之重鏈及輕鏈胺基酸序列之抗體作為活性成分;該醫藥產品係用於組合、依序或同步治療增生性疾病,尤其癌症。
在一個實施例中,組分A)及B)較佳以1、或2、或3、或4、或5、或6、或7天之時間差分別投與。在另一實施例中,投與組分A)與B)之間的差可為1天與21天之間的任何時間,較佳在1天與14天,或1天與10天,或1天與7天之間。
在另一實施例中,本發明提供特異性結合於且活化人類CD40之抗體或其抗原結合部分;及PD-L1抗體之用途;其係用於製造用以組
合、依序或同步治療增生性疾病,諸如癌症,較佳為實體腫瘤之藥劑。
本發明進一步包含一種治療需要治療之患者之方法,其特徵在於向患者投與治療有效量之本發明抗體。本發明包含本發明抗體之用途,其係用於所述療法。
因此,本發明之一個實施例為本文所述之CD40抗體或其抗原結合部分,其與如本文所述之抗PD-L1抗體組合用於治療癌症。如本文所用,術語「癌症」可為例如肺癌、非小細胞肺(NSCL)癌、細支氣管肺泡細胞肺癌、骨癌、胰臟癌、皮膚癌、頭頸癌、皮膚或眼內黑色素瘤、子宮癌、卵巢癌、直腸癌、肛門區癌、胃癌(stomach cancer)、胃癌(gastric cancer)、結腸癌、乳癌、子宮癌、輸卵管癌、子宮內膜癌、子宮頸癌、陰道癌、外陰癌、霍奇金氏病(Hodgkin's Disease)、食道癌、小腸癌、內分泌系統癌、甲狀腺癌、副甲狀腺癌、腎上腺癌、軟組織肉瘤、尿道癌、陰莖癌、前列腺癌、膀胱癌、腎臟或尿管癌、腎細胞癌、腎盂癌、間皮瘤、肝細胞癌、膽道癌、中樞神經系統(CNS)贅瘤、脊軸腫瘤、腦幹神經膠質瘤、多形性膠質母細胞瘤、星形細胞瘤、神經鞘瘤、室管膜瘤、神經管胚細胞瘤、脊膜瘤、鱗狀細胞癌、垂體腺瘤、淋巴瘤、淋巴球性白血病,其包括以上癌中之任一者之難治性形式或以上癌中之一或多者之組合。在一個較佳實施例中,此類癌症為乳癌、結腸直腸癌、黑色素瘤、頭頸癌、肺癌或前列腺癌。在一個實施例中,此類癌症為選自以下之實體腫瘤:乳癌、肺癌、結腸癌、卵巢癌、黑色素瘤癌、膀胱癌、腎癌、腎臟癌、肝癌、頭頸癌、結腸直腸癌、胰臟癌、胃癌瘤、食道癌、間皮瘤或前列腺癌。在另一實施例中,此類癌症為血液腫瘤,諸如白血病(諸如AML、CLL)、淋巴瘤、骨髓瘤。在另一實施例中,癌症為乳癌、肺癌、結腸癌、結腸直腸癌、胰臟癌、胃癌或前列腺癌。
在一個實施例中,本發明組合療法用於預防或治療癌轉移。
在一個實施例中,本發明組合療法用於治療或延遲免疫相關疾病之進展,諸如腫瘤免疫。
在一個實施例中,本發明組合療法用於刺激免疫反應或功能,諸如T細胞活性。
術語「抗原決定基」表示能夠特異性結合於抗體之人類CD40或PD-L1之蛋白質決定子。抗原決定基通常由分子之化學活性表面基團(諸如胺基酸或糖側鏈)組成且通常抗原決定基具有特定三維結構特徵以及荷質比特徵。構形抗原決定基及非構形抗原決定基之區別在於在變性溶劑存在下與前者(而非後者)之結合消失。
如本文所用,「可變域」(輕鏈可變域VL、重鏈可變域VH)表示直接參與抗體與抗原之結合之輕鏈及重鏈域對中之每一者。可變輕鏈及重鏈域具有相同一般結構且各域包含由三個「高變區」(或互補決定區,CDR)連接之四個構架(FR)區,該等構架區之序列廣泛保守。構架區採用β-片層構形且CDR可形成連接β-片層結構之迴路。各鏈中之CDR藉由構架區保持其三維結構,且與來自其他鏈之CDR一起形成抗原結合位點。抗體之重鏈及輕鏈CDR3區在本發明抗體之結合特異性/親和力中起特別重要的作用且因此提供本發明之另一目標。
術語「抗體之抗原結合部分」當在本文中使用時係指抗體中負責抗原結合之胺基酸殘基。抗體之抗原結合部分包含來自「互補決定區」或「CDR」的胺基酸殘基。“構架”或“FR”區為彼等可變域區而非本文定義之高變區殘基。因此,抗體之輕鏈及重鏈可變域自N末端至C末端包含結構域FR1、CDR1、FR2、CDR2、FR3、CDR3及FR4。特定言之,重鏈之CDR3為對抗原結合貢獻最大且定義抗體特性之區域。CDR及FR區係根據Kabat等人,Sequences of Proteins of Immunological Interest,第5版,公共衛生服務部(Public Health
Service),國立衛生研究院(National Institutes of Health),Bethesda,MD(1991)之標準定義及/或來自「高變環」之彼等殘基來確定。
在本發明之一個實施例中,特異性結合於且活化人類CD40之抗體之「抗原結合部分」包含抗體21.4.1(ATCC寄存編號PTA-3605)之重鏈及輕鏈可變結構域之CDR1、CDR2及CDR3。
如本文所用,術語「核酸」或「核酸分子」欲包括DNA分子及RNA分子。核酸分子可為單鏈或雙鏈,但較佳為雙鏈DNA。
如本申請案內所用,術語「胺基酸」表示天然存在之羧基α-胺基酸之基團,其包含丙胺酸(三字母代碼:ala,一字母代碼:A)、精胺酸(arg,R)、天冬醯胺(asn,N)、天冬胺酸(asp,D)、半胱胺酸(cys,C)、麩醯胺酸(gln,Q)、麩胺酸(glu,E)、甘胺酸(gly,G)、組胺酸(his,H)、異白胺酸(ile,I)、白胺酸(leu,L)、離胺酸(lys,K)、甲硫胺酸(met,M)、苯丙胺酸(phe,F)、脯胺酸(pro,P)、絲胺酸(ser,S)、蘇胺酸(thr,T)、色胺酸(trp,W)、酪胺酸(tyr,Y)及纈胺酸(val,V)。
抗體之「Fc部分」不直接參與抗體與抗原之結合,但展現各種效應功能。「抗體之Fc部分」為熟習此項技術者所熟知之術語且其係基於抗體之番木瓜蛋白酶裂解來定義。視其重鏈恆定區之胺基酸序列而定,將抗體或免疫球蛋白分成以下各類別:IgA、IgD、IgE、IgG以及IgM,且其中若干類別可進一步分成子類(同型),例如IgG1、IgG2、IgG3及IgG4、IgA1及IgA2。根據重鏈恆定區,不同類別之免疫球蛋白分別稱為α、δ、ε、γ及μ。抗體之Fc部分直接參與基於補體活化、C1q結合及Fc受體結合之ADCC(抗體依賴性細胞介導之細胞毒性)及CDC(補體依賴性細胞毒性)。補體活化(CDC)藉由補體因子C1q與多數IgG抗體子類之Fc部分的結合起始。雖然抗體對補體系統之影響視某些條件而定,但與C1q之結合係藉由在Fc部分中界定結合位點
而引起。此類結合位點在目前先進技術中已知且由以下描述:例如Boackle,R.J.等人,Nature 282(1979)742-743;Lukas,T.J.等人,J.Immunol.127(1981)2555-2560;Brunhouse,R.及Cebra,J.J.,Mol.Immunol.16(1979)907-917;Burton,D.R.等人,Nature 288(1980)338-344;Thommesen,J.E.等人,Mol.Immunol.37(2000)995-1004;Idusogie,E.E.等人,J.Immunol.164(2000)4178-4184;Hezareh,M.等人,J.Virology 75(2001)12161-12168;Morgan,A.等人,Immunology 86(1995)319-324;EP 0 307 434。此類結合位點為例如L234、L235、D270、N297、E318、K320、K322、P331及P329(根據Kabat,E.A.之EU索引編號,參見下文)。子類IgG1、IgG2及IgG3之抗體通常顯示補體活化作用及C1q及C3結合,而IgG4不活化補體系統且不結合C1q及C3。
在一個實施例中,本發明之抗體可包含源自人類來源之Fc部分,且較佳為人類恆定區之所有其他部分。如本文所用,術語「源自人類來源之Fc部分」表示如下Fc部分:子類IgG1或IgG2或IgG3或IgG4之人類抗體之Fc部分、較佳為來自人類IgG1或IgG2子類之Fc部分、來自人類IgG1或IgG2子類之突變Fc部分(在一個實施例中,具有L234A+L235A上之突變)、來自人類IgG4子類之Fc部分或來自人類IgG4子類之突變Fc部分,在一個更特定實施例中,具有S228P上之突變。在另一實施例中,該抗體可具有降低或最低效應功能。在一個實施例中,最低效應功能可由無效應Fc突變產生。在一個實施例中,無效應Fc突變為L234A/L235A或L234A/L235A/P329G或N297A或D265A/N297A。在一個實施例中,各抗體之無效應Fc突變可彼此獨立地選自包含以下之群:L234A/L235A、L234A/L235A/P329G、N297A及D265A/N297A。
在一個實施例中,本發明之抗體為單株抗體。在另一實施例
中,本發明之抗體屬於人類IgG類別(亦即屬於IgG1或IgG2或IgG3或IgG4子類)。在又一實施例中,一種抗體較佳屬於IgG2子類且另一種屬於IgG1或IgG4子類。
在一個實施例中,本文所述之抗體之特徵在於恆定鏈屬於人類來源。此類恆定鏈在目前先進技術中已熟知且例如藉由Kabat,E.A.描述(參見例如Johnson,G.及Wu,T.T.,Nucleic Acids Res.28(2000)214-218)。
本文中所述之技術較佳藉由重組方式產生。此類方法在目前先進技術中廣泛已知且包含原核及真核細胞中之蛋白質表現,及隨後抗體多肽之分離及通常純化至醫藥學上可接受之純度。為表現蛋白質,藉由標準方法將編碼輕鏈及重鏈或其片段之核酸插入表現載體中。表現在適當原核或真核宿主細胞中進行,諸如CHO細胞、NS0細胞、SP2/0細胞、HEK293細胞、COS細胞、酵母或大腸桿菌細胞,且自該等細胞(自上清液或細胞溶解後)回收抗體。
重組產生抗體在目前先進技術中熟知且描述例如於Makrides,S.C.,Protein Expr.Purif.17(1999)183-202;Geisse,S.等人,Protein Expr.Purif.8(1996)271-282;Kaufman,R.J.,Mol.Biotechnol.16(2000)151-161;Werner,R.G.,Drug Res.48(1998)870-880之文獻綜述中。
該等抗體可存在於完整細胞中、細胞溶胞物中或以部分純化或實質上純的形式存在。進行純化以藉由標準技術消除其他細胞組分或其他污染物,例如其他細胞核酸或蛋白質,該等標準技術包括鹼性/SDS處理、CsCl結合、管柱層析、瓊脂糖凝膠電泳及此項技術中熟知的其他技術。參見Ausubel,F.等人編Current Protocols in Molecular Biology,Greene Publishing and Wiley Interscience,New York(1987)。
NS0細胞中之表現藉由例如Barnes,L.M.等人,Cytotechnology 32
(2000)109-123;Barnes,L.M.等人,Biotech.Bioeng.73(2001)261-270描述。短暫表現藉由例如Durocher,Y.等人,Nucl.Acids.Res.30(2002)E9描述。可變結構域之選殖藉由Orlandi,R.等人,Proc.Natl.Acad.Sci.USA 86(1989)3833-3837;Carter,P.等人,Proc.Natl.Acad.Sci.USA 89(1992)4285-4289;Norderhaug,L.等人,J.Immunol.Methods 204(1997)77-87描述。較佳短暫表現系統(HEK 293)藉由Schlaeger,E.-J.及Christensen,K.,於Cytotechnology 30(1999)71-83中且藉由Schlaeger,E.-J.,於J.Immunol.Methods 194(1996)191-199中描述。
將本發明之重鏈及輕鏈可變域與啟動子序列、轉譯起始序列、恆定區序列、3'非轉譯區序列、聚腺苷酸化序列及轉錄終止序列組合以形成表現載體構築體。可將重鏈及輕鏈表現構造組合至單載體中,將其共轉染、連續轉染或分別轉染至宿主細胞中,接著將該等宿主細胞融合以形成表現全部兩鏈之單宿主細胞。
適於原核生物之控制序列例如包括啟動子、視情況選用之操縱子序列(operator sequence)及核糖體結合位點。已知真核細胞利用啟動子、增強子及聚腺苷醯作用(polyadenylation)信號。
當核酸與另一核酸序列呈功能關係置放時,核酸與另一核酸序列「可操作地連接」。舉例而言,若前序列或分泌性前導序列之DNA表現為參與多肽分泌之前體蛋白,則其與該多肽之DNA可操作地連接;若啟動子或增強子影響編碼序列之轉錄,則其與該序列可操作地連接;或若核糖體結合位點經定位以便有助於轉譯,則其與編碼序列可操作地連接。一般而言,「可操作地連接」意謂所連接之DNA序列鄰接且在分泌性前導序列情況下為鄰接的且在閱讀框架中。然而,增強子不必為鄰接的。連接係藉由在適宜限制性位點處連接來實現。若此類位點不存在,則根據慣例使用合成寡核苷酸接附子或連接子。
單株抗體適合藉由習知免疫球蛋白純化程序(諸如,蛋白質A-瓊脂糖、氫氧磷灰石層析法、凝膠電泳、透析或親和力層析法)自培養基分離。編碼單株抗體之DNA及RNA易於使用習知程序進行分離及定序。融合瘤細胞可充當該DNA及RNA之來源。一旦經分離,則可將DNA插入表現載體中,接著可將其轉染至宿主細胞(諸如並不另外產生免疫球蛋白的HEK 293細胞、CHO細胞、或骨髓瘤細胞)中以獲得在宿主細胞中合成重組單株抗體。
如本文所用,表述「細胞」、「細胞株」及「細胞培養物」可互換使用且所有此類名稱均包括子代。因此,詞語「轉形體」及「經轉形之細胞」包括初級宿主細胞及自其衍生而不考慮轉移數量之培養物。亦瞭解所有後代可能由於有意或無意的突變而在DNA含量上不精確一致。本發明包括具有與針對原始經轉形之細胞所篩選的相同功能或生物活性的變異體後代。
產生根據本發明使用之特異性抗體的方法亦揭示於WO2003/040170(對於抗CD40抗體)及WO2010/77634(對於PD-L1抗體)中。
在另一態樣中,本發明提供含有本發明之單株抗體或其抗原結合部分中之一者或其組合與醫藥學上可接受之載劑調配在一起的組合物,例如醫藥組合物。
如本文所用,「醫藥學上可接受之載劑」包括生理學上相容之任何及全部溶劑、分散介質、塗料、抗細菌劑及抗真菌劑、等張劑及吸收/再吸收延遲劑及類似物。該載劑較佳適於注射或輸注。
本發明組合物可藉由此項技術中已知之各種方法投與。如熟習此項技術者所瞭解,投與途徑及/或模式將視所要結果而變化。
醫藥學上可接受之載劑包括無菌水溶液或分散液及用於製備無菌可注射溶液或分散液之無菌散劑。此類介質及藥劑用於醫藥活性物
質之用途在此項技術中熟知。水以外,載劑可以為,例如等張緩衝鹽水溶液。
不管選擇何種投藥途徑,藉由熟習此項技術者已知之習知方法將本發明化合物(其可以適合水合形式使用)及/或本發明之醫藥組合物調配成醫藥學上可接受之劑型。
根據本發明使用之特異性抗體之醫藥組合物可為熟習此項技術者已知之標準製劑,且例如揭示於WO2003/040170(對於抗CD40抗體)及WO2010/77634(對於PD-L1抗體)中。
本發明之醫藥組合物中活性成分之實際劑量濃度可變化以獲得有效達成特定患者、組合物及投藥模式之所要治療反應,而對患者無毒的活性成分之量(有效量)。所選劑量濃度將視多種藥物動力學因素而定,該等因素包括所採用之本發明之特定組合物、或其酯、鹽或醯胺之活性;投藥途徑;投藥時間;待採用之特定化合物之排泄速率;與所採用特定組合物組合之其它藥物、化合物及/或材料;待治療患者之年齡、性別、體重、病狀、一般健康狀況及先前病史;及醫學技術中熟知之類似因素。
術語「治療方法」或其等效物在用以例如癌症時係指經設計以降低或消除患者中癌細胞之數量或緩解癌症症狀之作用之程序或過程。癌症或其他增生性病症之「治療方法」未必意謂將實際上消除癌細胞或其他病症,實際上減少細胞數目或減輕病症,或實際上減輕癌症或其他病症之症狀。通常,即使成功的可能性較低,但考慮到病患之病史及估計存活期,仍將進行治療癌症之方法,然而其被認為會誘發總體有利的作用療程。
術語「與組合投與」或「共同投與(co-administration/co-administering)」、「組合療法」或「組合治療」係指例如以分開之調配物/應用(或以一種單一調配物/應用)投與如本文所述之抗CD40及抗
PD-L1抗體。共同投與可為同步的或按任一次序依序的,其中較佳兩種(或所有)活性劑同步發揮其生物活性時存在一時間段。在一個實施例中,如本文所用之組分A及B中之任一者可以其自身之分離之醫藥製劑使用靜脈內途徑(i.v.),例如經由連續輸注或皮下途徑(s.c)投與。在一個實施例中,組分A及B分別藉由靜脈內途徑/製劑共同投與。在另一實施例中,組分A及B分別藉由皮下途徑/製劑共同投與。在另一實施例中,組分A及B一者藉由皮下途徑/製劑且另一者藉由靜脈內途徑/製劑分別共同投與。
不言而喻,以「治療有效量」(或簡單地「有效量」)向病患投與抗體,該量為將引發研究人員、獸醫、醫學醫生或其他臨床醫師所探尋之組織、系統、動物或人類之生物或醫學反應的各別化合物或組合之量。
共同投與中各組分之劑量及共同投與之時機將視進行治療之患者之類型(種族、性別、年齡、體重等)及病狀及進行治療之疾病或病狀之嚴重程度而定。詳言之,基於免疫系統活化之治療一般可承擔壓倒性免疫反應之風險,有時稱為細胞激素釋放特徵群(CRS)或抗藥物抗體(ADA)反應。發現,涉及CD40促效劑之治療性臨床相關治療方案,亦即可耐受且有效的劑量及給藥時程,構成目前未得到滿足的醫學需要。
因此,在一個實施例中,組分(A及B)依序共同投與,其中各單一組分劑量在同一天以分開投藥(靜脈內或皮下)投與或一種組分在第1天投與且另一組分在第2天與第42天之間、或在第2天與第21天之間、或在第2天與第14天之間、或在第2天與第7天之間的任一天共同投與。在另一實施例中,第二組分在在投與第一組分後之第2天、或第7天、或第14天、或第21天共同投與。在另一實施例中,第二組分在投與第一組分後之第2天或第21天共同投與。
在另一實施例中,第一投與組分為組分A,亦即如本文所定義之抗CD40抗體。在此實施例內,組分A以4mg與16mg之間、較佳以4mg、或8mg、或16mg的固定劑量投與。
在另一實施例中,組分A在第1天以16mg之劑量投與一次,隨後在第42天給藥組分B,且進一步維持每3週,或每14天或7天給藥組分B。
在另一實施例中,組分A在第1天以16mg之劑量投與一次,隨後在第21天第一次給藥組分B,且進一步維持每3週,或每14天或7天給藥組分B。
在另一實施例中,組分A在第1天以4mg之劑量投與一次,隨後在第21天第一次給藥組分B,且進一步維持每3週,或每14天或7天給藥組分B。
在另一實施例中,組分A在第1天以4mg之劑量投與一次,隨後在第14天第一次給藥組分B,且進一步維持每3週,或每14天或7天給藥組分B。
在另一實施例中,組分A在第1天以4mg之劑量投與一次,隨後在第7天第一次給藥組分B,且進一步維持每3週,或每14天或7天給藥組分B。
在另一實施例中,組分A在第1天以16mg之劑量投與一次,隨後在第14天第一次給藥組分B,且進一步維持每3週,或每14天或7天給藥組分B。
在另一實施例中,組分A在第1天以16mg之劑量投與一次,隨後在第7天第一次給藥組分B,且進一步維持每3週,或每14天或7天給藥組分B。
在另一實施例中,組分B在第1天投與,隨後在第2天以4mg與16mg之間的固定劑量單次投與組分A;且進一步隨後維持每3週,或每
14天或7天給藥組分B。在此實施例內,組分A之固定劑量較佳選自4mg、8mg、14mg、15mg或16mg。
在又一實施例中,組分B在治療之第1天投與,隨後進一步每3週(21天)投與,且組分A在治療之第2天投與,隨後再投藥3次,各在6週之距離(42天)內。在此實施例內,組分A以4mg與16mg之間、較佳以4mg、8mg、14mg、15mg或16mg之固定劑量投與。
在又一實施例中,組分B在治療之第1天投與,隨後進一步每3週(21天)投與,且組分A在治療之第2天投與,隨後再投藥3次,各在3週之距離(21天)內。在此實施例內,組分A以4mg與16mg之間、較佳以4mg、8mg、14mg、15mg或16mg之固定劑量投與。
在所有以上關於投與/給藥流程之實施例內,組分B(亦即抗PD-L1抗體)以1200mg之固定劑量投與。持續用組分B治療或「維持劑量」之組分B直至疾病進展。
在又一實施例中,本發明提供涉及抗CD40抗體及抗PD-L1抗體之組合療法之給藥時程中之任一者,如圖4中所示。
因此,在一個實施例中,本發明提供一種醫藥產品,其包含如上文所定義之組分A及B,其中組分A)及B)分別投與。
在另一實施例中,本發明提供該醫藥產品,其中組分A及/或B靜脈內(i.v.)或皮下(s.c.)投與。
在又一實施例中,本發明提供該醫藥產品,其中組分A以4與16mg之間的固定劑量投與,且組分B以1200mg之固定劑量投與。
在另一實施例中,本發明提供該醫藥產品,其中組分A及B之投與隔開1至42天,較佳1、或7、或14、或21、或42天。
在另一實施例中,本發明提供該醫藥產品,其中投與組分A以及組分B 1至4次,且隨後治療僅在組分B下持續直至疾病進展。
在另一更特定實施例中,本發明提供以上給藥時程中之任一
者,其中組分A為包含含SEQ ID NO:3之VL及SEQ ID NO:4之VH的抗體作為活性成分之組分;且組分B為包含含SEQ ID NO:8之VL及SEQ ID NO:5之VH的抗體作為活性成分之組分。
在另一實施例中,本發明提供特異性結合於且活化人類CD40之抗體或其抗原結合部分;及PD-L1抗體之用途;其係用於製造用以組合、依序或同步治療增生性疾病,諸如癌症,較佳為實體腫瘤之藥劑。
除抗CD40抗體以及抗PD-L1抗體以外,可設想額外治療選項,諸如化學治療劑或放射線療法。
在一個實施例中,可與如本文所述之抗CD40抗體及如本文所述之抗PD-L1抗體一起投與之此類額外化學治療劑包括(但不限於)抗贅生劑包括烷基化劑,包括:氮芥,諸如二氯甲基二乙胺、環磷醯胺、異環磷醯胺、美法侖(melphalan)及苯丁酸氮芥;亞硝基脲,諸如卡莫司汀(carmustine,BCNU)、洛莫司汀(lomustine,CCNU)及司莫司汀(semustine,甲基-CCNU);帝盟多(Temodal,TM)(替莫唑胺(temozolamide))、乙烯亞胺/甲基三聚氰胺,諸如三乙烯三聚氰胺(TEM)、三乙烯、三胺硫磷(噻替派(thiotepa))、六甲基三聚氰胺(hexamethylmelamine,HMM,六甲蜜胺(altretamine));磺酸烷酯,諸如白消安(busulfan);三嗪,諸如達卡巴嗪(dacarbazine,DTIC);抗代謝物,包括葉酸類似物,諸如甲胺喋呤(methotrexate)及曲美沙特(trimetrexate),嘧啶類似物,諸如5-氟尿嘧啶(5FU)、氟去氧尿苷、吉西他濱(gemcitabine)、胞嘧啶阿拉伯糖苷(AraC,阿糖胞苷)、5-氮胞苷、2,2'-二氟去氧胞核,嘌呤類似物,諸如6-巰基嘌呤、6-硫鳥嘌呤、硫唑嘌呤、T-脫氧柯福黴素(噴司他丁(pentostatin))、赤羥基壬基腺嘌呤(erythrohydroxynonyladenine,EHNA)、氟達拉賓磷酸鹽及2-氯去氧腺苷(克拉屈濱(cladribine),2-CdA);天然產品,包括抗有絲分
裂藥物,諸如太平洋紫杉醇(paclitaxel)、長春花生物鹼(vinca alkaloids)(包括長春鹼(vinblastine,VLB)、長春新鹼(vincristine)及長春瑞賓(vinorelbine))、克癌易(taxotere)、雌莫司汀(estramustine)及雌莫司汀磷酸鹽;表鬼臼毒素(pipodophylotoxins),諸如依託泊苷(etoposide)及替尼泊苷(teniposide);抗生素,諸如放線菌素D、柔紅黴素(daunomycin,紅比黴素(rubidomycin))、小紅莓(doxorubicin)、米托蒽醌(mitoxantrone)、伊達比星(idarubicin)、博來黴素(bleomycin)、普卡黴素plicamycin,光神黴素(mithramycin))、絲裂黴素C及放射菌素;酶類,諸如L-天冬醯胺酶;生物反應調節劑,諸如干擾素-α、IL-2、G-CSF及GM-CSF;混雜劑,包括鉑配位錯合物,諸如奧沙利鉑(oxaliplatin)、順鉑(cisplatin)及卡鉑(carboplatin)、蒽二酮(諸如米托蒽醌(mitoxantrone)、經取代之脲(諸如羥基脲)、甲基肼衍生物(包括N-甲基肼(MIH)及丙卡巴肼(procarbazine))、腎上腺皮質抑制劑(諸如米托坦(mitotane,o,p-DDD)及胺魯米特(aminoglutethimide);激素及拮抗劑,包括腎上腺皮質類固醇拮抗劑,諸如強的松(prednisone)及等效物、地塞米松(dexamethasone)及胺魯米特(aminoglutethimide);健擇(Gemzar,TM)(吉西他濱(gemcitabine))、孕激素(諸如羥基孕酮己酸鹽、甲羥孕酮乙酸鹽及甲地孕酮乙酸鹽);雌激素,諸如二乙基己烯雌酚及乙炔基雌二醇等效物;抗雌激素,諸如他莫昔芬(tamoxifen);雄激素,包括睪固酮丙酸酯(testosterone propionate)及氟甲睾酮/等效物;抗雄激素,諸如氟他胺(flutamide)、促性腺激素釋放激素類似物及亮丙立德(leuprolide);及非類固醇抗雄激素,諸如氟他胺。亦可使靶向表觀遺傳機構之療法與抗原結合蛋白組合,該療法包括(但不限於)組蛋白脫乙醯基酶抑制劑、去甲基劑(例如維達紮(Vidaza))及轉錄抑制解除(ATRA)療法。在一個實施例中,化學治療劑選自由以下組成之群:紫杉烷(taxane)(如
太平洋紫杉醇(紫杉醇)、多烯紫杉醇(克癌易)、經改質太平洋紫杉醇(例如阿布拉生(Abraxane)及歐帕西(Opaxio))、小紅莓、舒尼替尼(sunitinib)(舒癌特(Sutent))、索拉非尼(sorafenib)(雷沙瓦(Nexavar))及其他多重激酶抑制劑奧沙利鉑、順鉑及卡鉑、依託泊苷、吉西他濱及長春鹼。在一個實施例中,化學治療劑選自由以下組成之群:紫杉烷(如紫杉醇(太平洋紫杉醇)、多烯紫杉醇(克癌易)、經改質太平洋紫杉醇(例如阿布拉生及歐帕西)。在一個實施例中,額外化學治療劑選自5-氟尿嘧啶(5-FU)、甲醯四氫葉酸(leucovorin)、伊立替康(irinotecan)或奧沙利鉑。在一個實施例中,化學治療劑為5-氟尿嘧啶、甲醯四氫葉酸及伊立替康(FOLFIRI)。在一個實施例中,化學治療劑為5-氟尿嘧啶及奧沙利鉑(FOLFOX)。
與額外化學治療劑之組合療法之特定實例包括例如紫杉烷(例如多烯紫杉醇或太平洋紫杉醇)或經改質太平洋紫杉醇(例如阿布拉生或歐帕西)、小紅莓)、卡培他濱及/或貝伐單抗(阿瓦斯汀)治療乳癌之療法;用卡鉑、奧沙利鉑、順鉑、太平洋紫杉醇、小紅莓(或經改質小紅莓(楷萊(Caelyx)或多希(Doxil)))或拓朴替康(和美新(Hycamtin))治療卵巢癌症,用多重激酶抑制劑、MKI(舒癌特(Sutent)、雷沙瓦(Nexavar)或706)及/或小紅莓治療腎臟癌症之療法;用奧沙利鉑、順鉑及/或輻射治療鱗狀細胞癌之療法;用紫杉醇及/或卡鉑治療肺癌之療法。
本發明進一步提供一種製造藥劑之方法,該藥劑包含有效量之本發明之抗CD40抗體及/或PD-L1抗體以及醫藥學上可接受之載劑。
本發明進一步提供一種包含醫藥產品之套組,該醫藥產品包含A)特異性結合於且活化人類CD40之抗體或其抗原結合部分;及B)PD-L1抗體以及說明書,該等說明書針對例如醫師、腫瘤醫師或其他醫學從業者之熟習此項技術者如何使用該醫藥產品作為藥劑用於組
合、依序或同步治療增生性疾病,諸如癌症,較佳為實體腫瘤。
在另一實施例中,本發明之醫藥產品,亦即包含如本文所揭示之組分A及B之產品可連同第三組分(C)一起投與,其中該第三組分為抗細胞激素(細胞激素抑制劑),諸如抗IL6(a-IL6)及/或抗TNF α(a-TNF α、抗TNF α)。已發現添加該細胞激素抑制劑會改良耐受性,同時維持用如上文所揭示之組分A及B治療之功效(參見實例2)。
因此,在另一實施例中,提供一種醫藥產品,其包含A)第一組分,其包含特異性結合於且活化人類CD40之抗體或其抗原結合部分作為活性成分;及B)第二組分,其包含PD-L1抗體作為活性成分;及C)第三組分,其包含細胞激素抑制劑作為活性成分;該醫藥產品用於組合、依序或同步治療增生性疾病,尤其癌症。
在此實施例內,該細胞激素抑制劑為抑制TNF α之分子。批准多種TNF α抑制劑、小分子及抗體用於人類中之療法。因此,關於其可用醫藥製劑、投藥途徑及劑量之信息為熟習此項技術這所熟知。在本發明之一個特定實施例中,TNF α抑制劑為抗體,較佳為稱為TN3-19.12之抗體之人類類似物。可根據本發明使用之其他TNF α抑制劑包含Remicade®(英利昔單抗(infliximab))、Enbrel®(依那西普(etanercept))、Humira®(阿達木單抗(adalimumab))、Cimzia®(聚乙二醇化賽妥珠單抗(certolizumab pegol))及Simponi®(戈利木單抗(golimumab))。此外,在此實施例內,組分C可與組分A及B同步或分別投與。本文所揭示之投與組分A及B之給藥方案中之任一者亦可用於三重組合。組分C較佳與組分A及/或B以同一或不同醫藥製劑同步投與。如本文所揭示關於組分A及B以及組分C之任何給藥方案形成本發明之另一實施例。在此實施例內,在投與組分A或B時,亦始終投與組分C。
在另一實施例中,在投與組分A及B之前開始投與組分C。根據上
文關於組分A及B所定義之給藥方案,投與組分C較佳在治療之第1天開始,且自第2天給予組分A及B。
在另一實施例中,較佳在治療之第1天、第2天、第3天及第4天投與組分C;在第2天投與組分A;且在第2天投與組分B,隨後每週單獨或與組分C組合投與組分B。
在又一實施例中,較佳在治療之第1天、第2天、第3天及第4天投與組分C;在第2天投與組分A:在第9天投與組分B,隨後每週單獨或與組分C組合投與組分B。
在又一實施例中,較佳在治療之第1天、第2天、第3天及第4天投與組分C;在第2天投與組分A;且在第16天投與組分B,隨後每週單獨或與組分C組合投與組分B。
提供以下實例以有助於理解本發明、隨附申請專利範圍中所闡明之真實範疇。應瞭解,可在不偏離本發明精神之狀況下對所闡述程序進行修正。
此實例表明原位Panc02-Fluc胰腺同系癌症模型中抗鼠類CD40以及抗PDL-1之治療功效。在此研究中,腫瘤生長經由一週生物發光成像兩次來評估。
在滿足終止準則時,將各組之動物處死。在療法起始時使用來自媒劑組之兩隻偵察動物以評估腫瘤負荷。
Panc-02-Fluce細胞純系(人類胰腺癌細胞)最初獲自ATCC(美國菌種保藏中心(American Type Culture Collection))且在擴增之後儲存於Roche-Glycart內部細胞庫中。將Panc-02-Fluc細胞培養於含有10%FCS(Sigma)及1%格魯塔瑪+500μg/ml潮黴素之RPMI培養基中。在37℃下在5% CO2下於水飽和氛圍中培養細胞。在經麻醉C57BL/6小鼠之腹部之左側腹製造小切口。打開腹膜壁且用鑷子小心分離胰腺。將十微升(於RPMI培養基中0.2×106個細胞)細胞懸浮液注射到胰腺尾部。使用5/0可解析縫線閉合腹膜壁及皮膚創傷。
使60隻實驗開始時年齡為8-9週之Black 6雌性小鼠(購自Charles
River,Germany)且根據已提交之準則(GV-Solas;Felasa;TierschG)以12h光/12h暗之日循環維持在無特定病原體之條件下。實驗研究方案加以綜述且由當地政府批准(P 2011-128)。動物到達後,將其維持一週以習慣新環境並進行觀察。在常規基礎上進行連續健康狀況監測。
在研究第0天對小鼠胰腺內注射於RPMI中之2×105個Panc02-Fluc細胞(通道18,存活率為95.9%)。在第7天,對小鼠靜脈內注射媒劑(15隻動物)、10mg/kg a-CD40(15隻動物)、10mg/kg a-PD-L1、10mg/kg a-CD40+10mg/kg a-PD-L1。a-PD-L1及媒劑之時程為一週一次維持3週。a-CD40抗體僅在第7天投與一次。
抗體儲存於4攝氏度下。
所有小鼠靜脈內注射200μL適當溶液。媒劑組中之小鼠注射組胺酸緩衝液且處理組注射抗體。為獲得適當量之抗體,必需時用組胺酸緩衝液稀釋抗體溶液。小鼠之最大治療數為三次。
10mg/kg等於200μg/小鼠:以下計算每小鼠之構築體所需的體積:
每日控制動物之臨床症狀且偵測不良作用。動物之終止準則為臨床疾病、行動不便、毛皮邋遢。
在腫瘤細胞注射之前三天、在第一抗體處理之後24小時及在處死當天收集來自所有經處理動物之血清樣品。樣品儲存於-20℃。
根據終止準則處死小鼠。自所有動物收集脾及肝臟腫瘤以用於隨後組織病理學分析(PFA,冷凍)。
切除胰腺腫瘤且立即固定於福馬林溶液中且隨後加工以進行石蠟包埋(Leica自動組織處理器TP1020,Germany)及薄片切片機4μm剖切(Leica RM2235旋轉薄片切片機,Germany)。使用標準方案進行蘇木精及曙紅染色。使用大鼠抗小鼠CD68(AbD Serotec,Switzerland)根據製造商之說明書偵測鼠類免疫細胞。
在第一抗體處理之後24h(研究第8天)對小鼠抽血且分析血清之人類-IgG濃度。根據方案使用ELISA針對單株抗CD20抗體之定量(Roche Pharma Penzberg;TR-TNA5,Germany)血清中之治療性抗體濃度。試劑mAb<hfcy>IgG-Bi(M-R10Z8E9;Ch.02 GG);mAb<CD20>rH-IgG(RO5072759);mAb<hfcy>IgG-Dig(XOSU-Sux)(M-R10Z8E9;Ch.03)由J.Schleypen,Roche Penzberg好心提供。在連續稀釋液(1:2000;1:20000;1:200000)中分析血清樣品。使用405nm之量測波長及492nm之參考波長量測吸收(VersaMax可調微板讀取器,Molecular
Devices)。
在同系原位Panc02模型中,與媒劑及抗PD-L1相比,muFGK4.5與抗PD-L1抗體組合展示顯著腫瘤生長抑制。此外,muFGK4.5及抗PD-L1抗體一起協同促進活體內效應T細胞之擴增,轉換為完全去除此模型中4/9小鼠之腫瘤(圖1及2)。
免疫藥效動力學(PD)分析表明在小鼠脾及血液以及淋巴結中muFGK4.5使活化T細胞(CD4及CD8)之數量增加大致2倍。有趣的是,在開始治療9天之後,muFGK4.5與抗PD L1抗體之組合使小鼠脾中活化T細胞之數量進一步增加大致6至7倍(圖3)。
此實例表明a-PDL-1及a-CD40與兩種不同抗細胞激素:a-IL6及a-TNFa(單獨或一起)組合之功效。此信息適用作可用於在a-CD40注射之後中和細胞激素釋放之彼等抗體。
Panc-02-Fluc細胞純系H7(人類胰腺癌細胞)最初獲自ATCC(美國菌種保藏中心)且在擴增之後儲存於內部細胞庫中。將Panc-02-Fluc細胞培養於含有10% FCS(Sigma)+1%格魯塔瑪+500μg/ml潮黴素之RPMI培養基中。在37℃下在5% CO2下於水飽和氛圍中培養細胞。
在經麻醉C57BL/6小鼠之腹部之左側腹製造小切口。打開腹膜壁且用鑷子小心分離胰腺。將十微升(於RPMI培養基中0.2×106個細胞)細胞懸浮液注射到胰腺尾部。使用5/0可解析縫線閉合腹膜壁及皮膚創傷。
使60隻實驗開始時年齡為8-9週之C57BL/6雌性小鼠(購自Charles
River,Germany)且根據已提交之準則(GV-Solas;Felasa;TierschG)以12h光/12h暗之日循環維持在無特定病原體之條件下。實驗研究方案加以綜述且由當地政府批准(P 2011-128)。動物到達後,將其維持一週以習慣新環境並進行觀察。之後其在背之右側皮下植入應答器以進行鑑別且維持一週以上以恢復。在常規基礎上進行連續健康狀況監測。
在研究第0天對小鼠胰腺內注射於RPMI中之2×105個Panc02-Fluc細胞(通道16,存活率為90.5%)。
在第6、7、8及9天,對12個小鼠/組腹膜內注射不同化合物。在第7、14及21天,對10個小鼠/組腹膜內注射不同化合物(參見研究組)。
對所有小鼠注射200μL適當溶液。所有抗體均腹膜內注射。媒劑組中之小鼠注射組胺酸緩衝液且處理組注射抗體。為獲得每200μL適當量之抗體,必需時用組胺酸緩衝液稀釋抗體溶液。小鼠之最大治療數為四次。
每日控制動物之臨床症狀且偵測不良作用。動物之終止準則為臨床疾病、行動不便、毛皮邋遢。
在第2、第5及第6抗體處理之後1h自一半經處理之動物收集血清樣品且在第2、第5及第6抗體處理之後24h自另一半收集。在處死當天下對所有動物抽血。樣品儲存於-20℃。
根據終止準則處死小鼠。自四隻小鼠/組收集脾、肝臟及胰腺腫瘤以用於隨後組織病理學分析(4%甲醛,快速冷凍)。
切除胰腺腫瘤、肝臟及脾且立即固定於10%福馬林溶液中且隨後加工以進行石蠟包埋(Leica自動組織處理器TP1020,Germany)及薄片切片機4μm剖切(Leica RM2235旋轉薄片切片機,Germany)。使用標準方案進行蘇木精及曙紅染色。使用大鼠抗小鼠CD68(AbD Serotec,Switzerland)根據製造商之說明書偵測鼠類免疫細胞。
根據方案(Roche-Glycart,Switzerland)使用CD40/Fc嵌合體(R&D,1215-CD-050)ELISA針對抗CD40之定量測試血清中之抗CD40濃度。使用試劑;捕獲蛋白質:6xHis tag生物素(Abcam,ab27025)及CD40/Fc嵌合體(R&D,1215-CD-050);偵測抗體:抗小鼠IgG(HRP)(Abcam,ab98808)。在連續稀釋液(1:300;1:1500;1:7500)中分析血清樣品。使用405nm之量測波長及490nm之參考波長量測吸收(VersaMax可調微板讀取器,Molecular Devices)。
根據方案(Roche-Glycart,Switzerland)使用鼠類PD-L1(R&D,
1019-B7-100)ELISA針對抗PD-L1之定量測試血清中之抗PD-L1濃度。使用試劑;捕獲蛋白質:IgG-FC生物素(Abcam ab98561)及鼠類B7-H1/PD-L1(R&D,1019-B7-100);偵測抗體:抗小鼠IgG(HRP)(Abcam,ab98808)。在連續稀釋液(1:2500;1:12500;1:62500)中分析血清樣品。使用405nm之量測波長及490nm之參考波長量測吸收(VersaMax可調微板讀取器,Molecular Devices)。
細胞激素根據製造商之說明書藉由流式螢光檢測術分析(Bio-PlexPro小鼠細胞激素23-plex分析)量測。
藉由與單獨成對CD40促效劑及PD-L1抑制劑(分別為組分A及B)相比體重損失較小表明,添加抗細胞激素作為第三組分致使耐受性改良。詳言之,如例如監測治療期間之體重損失所表明(參見圖5),添加抗TNFα作為第三組分(組分C)致使耐受性改良。同時,當連同作為第三組分之抗細胞激素一起注射時CD40/PD-L1組合之活性受到保護(參見圖6)。
<110> 瑞士商赫孚孟拉羅股份公司
<120> 活化人類CD40之抗體及抗人類PD-L1之抗體之組合療法
<130> P32260-EP-1
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<170> PatentIn version 3.5
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Claims (14)
- 一種醫藥產品,其包含A)第一組分,其包含特異性結合於且活化人類CD40之抗體或其抗原結合部分作為活性成分;及B)第二組分,其包含PD-L1抗體作為活性成分;該醫藥產品係用於組合、依序或同步治療增生性疾病,尤其癌症。
- 如請求項1之醫藥產品,其包含A)第一組分,其包含含SEQ ID NO:3之VL及SEQ ID NO:4之VH的抗CD40抗體;或包含抗體21.4.1(ATCC寄存編號PTA-3605)之重鏈及輕鏈可變域胺基酸序列之抗體作為活性成分;以及B)第二組分,其包含PD-L1抗體作為活性成分,該PD-L1抗體選自包含以下之抗體a)SEQ ID NO:5之重鏈可變域VH及SEQ ID NO:8之輕鏈可變域VL,或b)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:9之輕鏈可變域VL,或c)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:10之輕鏈可變域VL,或d)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:11之輕鏈可變域VL,或e)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:12之輕鏈可變域VL,或f)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:13之輕鏈可變域VL,或g)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:14之輕鏈 可變域VL,或h)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:15之輕鏈可變域VL,或i)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:16之輕鏈可變域VL,或j)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:17之輕鏈可變域VL,或k)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:18之輕鏈可變域VL,或l)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:19之輕鏈可變域VL,或m)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:20之輕鏈可變域VL,或n)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:21之輕鏈可變域VL,或o)SEQ ID NO:6之重鏈可變域VH及SEQ ID NO:22之輕鏈可變域VL,或p)SEQ ID NO:7之重鏈可變域VH及SEQ ID NO:23之輕鏈可變域VL。
- 如請求項1或2之醫藥產品,其包含A)第一組分,其包含含SEQ ID NO:3之VL及SEQ ID NO:4之VH的抗體作為活性成分;及B)第二組分,其包含含SEQ ID NO:8之VL及SEQ ID NO:5之VH的抗體作為活性成分;該醫藥產品係用於組合、依序或同步治療增生性疾病,尤其癌症。
- 如請求項1或2之醫藥產品,其中組分A)及B)分別投與。
- 如請求項4之醫藥產品,其中組分A及/或B靜脈內(i.v.)或皮下 (s.c.)投與。
- 如請求項5之醫藥產品,其中組分A以4與16mg之間的固定劑量投與,且組分B以1200mg之固定劑量投與。
- 如請求項6之醫藥產品,其中組分A及B之投與隔開1至42天,較佳為1、或7、或14、或21、或42天。
- 如請求項7之醫藥產品,其中投與組分A以及組分B 1至4次,且隨後治療僅在組分B下持續直至疾病進展。
- 如請求項1或2之醫藥產品,其係用於治療癌症,較佳實體腫瘤。
- 一種特異性結合於且活化人類CD40之抗體或其抗原結合部分及PD-L1抗體之用途,其係用於製造用以組合、依序或同步治療增生性疾病,諸如癌症,較佳實體腫瘤之藥劑。
- 如請求項1之醫藥產品,其進一步包含細胞激素抑制劑作為第三組分(C)。
- 如請求項11之醫藥產品,其中該細胞激素抑制劑為抗TNF α抗體。
- 一種套組,其包含如請求項1至9、11及12中任一項之醫藥產品以及如何使用其之說明書。
- 一種如請求項1至9、11及12中任一項之醫藥產品的用途,其係用於製造用以治療患癌症之患者之藥劑。
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|---|---|---|---|
| EP14181067 | 2014-08-14 | ||
| EP15159611.1A EP3070102A1 (en) | 2015-03-18 | 2015-03-18 | Combination therapy of antibodies human cd40 activating antibodies and anti human pld-1 antibodies |
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| CA (1) | CA2949739A1 (zh) |
| IL (1) | IL249189A0 (zh) |
| MX (1) | MX2017001976A (zh) |
| RU (1) | RU2017108173A (zh) |
| SG (1) | SG11201701039PA (zh) |
| TW (1) | TW201609141A (zh) |
| WO (1) | WO2016023875A1 (zh) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4331604B9 (en) | 2008-12-09 | 2025-07-23 | F. Hoffmann-La Roche AG | Anti-pd-l1 antibodies and their use to enhance t-cell function |
| SG11201707383PA (en) | 2015-03-13 | 2017-10-30 | Cytomx Therapeutics Inc | Anti-pdl1 antibodies, activatable anti-pdl1 antibodies, and methods of use thereof |
| US10696745B2 (en) | 2015-06-11 | 2020-06-30 | Wuxi Biologics (Shanghai) Co. Ltd. | Anti-PD-L1 antibodies |
| WO2017020291A1 (en) | 2015-08-06 | 2017-02-09 | Wuxi Biologics (Shanghai) Co. Ltd. | Novel anti-pd-l1 antibodies |
| EP3400246B1 (en) | 2016-01-08 | 2020-10-21 | H. Hoffnabb-La Roche Ag | Methods of treating cea-positive cancers using pd-1 axis binding antagonists and anti-cea/anti-cd3 bispecific antibodies |
| US10918737B2 (en) | 2016-01-28 | 2021-02-16 | INSERM (Institut National de la Santé et de la Recherche Médicale) | Methods and pharmaceutical composition for the treatment of cancer |
| SG11201810509PA (en) | 2016-06-20 | 2018-12-28 | Kymab Ltd | Anti-pd-l1 antibodies |
| EP3606956B1 (en) | 2017-04-04 | 2024-07-31 | F. Hoffmann-La Roche AG | Novel bispecific antigen binding molecules capable of specific binding to cd40 and to fap |
| AU2018250875A1 (en) * | 2017-04-13 | 2019-10-03 | F. Hoffmann-La Roche Ag | An interleukin-2 immunoconjugate, a CD40 agonist, and optionally a PD-1 axis binding antagonist for use in methods of treating cancer |
| LT3630143T (lt) * | 2017-06-01 | 2023-09-25 | Akamis Bio Limited | Onkolitinis virusas ir būdas |
| US11168144B2 (en) | 2017-06-01 | 2021-11-09 | Cytomx Therapeutics, Inc. | Activatable anti-PDL1 antibodies, and methods of use thereof |
| CA3086653A1 (en) * | 2017-12-28 | 2019-07-04 | Julius-Maximilians-Universitat Wurzburg | Tumor necrosis factor (tnf) receptor superfamily (tnfrsf) receptor-activating antibody fusion proteins with fcyr-independent agonistic activity (tnfrsf receptor-activating antibody fusion proteins with fcyr-independ ent agonistic activity; traaffiaa) |
| CA3094500A1 (en) * | 2018-03-23 | 2019-09-26 | The University Of Western Australia | Method for immunotherapy drug treatment |
| US20210147547A1 (en) * | 2018-04-13 | 2021-05-20 | Novartis Ag | Dosage Regimens For Anti-Pd-L1 Antibodies And Uses Thereof |
| US20210251994A1 (en) | 2018-06-15 | 2021-08-19 | Flagship Pioneering Innovations V, Inc. | Increasing immune activity through modulation of postcellular signaling factors |
| BR112021008795A2 (pt) | 2018-11-13 | 2021-08-31 | Compass Therapeutics Llc | Construtos de ligação multiespecíficos contra moléculas de ponto de verificação e seus usos |
| AR117091A1 (es) * | 2018-11-19 | 2021-07-07 | Bristol Myers Squibb Co | Anticuerpos monoclonales antagonistas contra cd40 y sus usos |
| CN113677365A (zh) * | 2019-01-22 | 2021-11-19 | 瑞伟生物科技公司(美国) | 新型抗cd40抗体 |
| MA55805A (fr) | 2019-05-03 | 2022-03-09 | Flagship Pioneering Innovations V Inc | Métodes de modulation de l'activité immunitaire |
| EP4076434A1 (en) | 2019-12-17 | 2022-10-26 | Flagship Pioneering Innovations V, Inc. | Combination anti-cancer therapies with inducers of iron-dependent cellular disassembly |
| CN116096906A (zh) | 2020-06-29 | 2023-05-09 | 旗舰创业创新五公司 | 工程化以促进萨诺传递的病毒及其在治疗癌症中的用途 |
| US20240173442A1 (en) | 2021-01-13 | 2024-05-30 | Hoffmann-La Roche Inc. | Combination therapy |
| JP2024512669A (ja) | 2021-03-31 | 2024-03-19 | フラグシップ パイオニアリング イノベーションズ ブイ,インコーポレーテッド | タノトランスミッションポリペプチド及び癌の処置におけるそれらの使用 |
| CA3224374A1 (en) | 2021-06-29 | 2023-01-05 | Flagship Pioneering Innovations V, Inc. | Immune cells engineered to promote thanotransmission and uses thereof |
| WO2024077191A1 (en) | 2022-10-05 | 2024-04-11 | Flagship Pioneering Innovations V, Inc. | Nucleic acid molecules encoding trif and additionalpolypeptides and their use in treating cancer |
| WO2024151687A1 (en) | 2023-01-09 | 2024-07-18 | Flagship Pioneering Innovations V, Inc. | Genetic switches and their use in treating cancer |
| WO2024213533A1 (en) * | 2023-04-13 | 2024-10-17 | Alligator Bioscience Ab | Combination therapies |
| WO2025185656A1 (zh) * | 2024-03-06 | 2025-09-12 | 信达生物制药(苏州)有限公司 | 抗pd-l1和cd40双特异性抗体及其用途 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO1988007089A1 (en) | 1987-03-18 | 1988-09-22 | Medical Research Council | Altered antibodies |
| AR039067A1 (es) * | 2001-11-09 | 2005-02-09 | Pfizer Prod Inc | Anticuerpos para cd40 |
| MY150740A (en) * | 2002-10-24 | 2014-02-28 | Abbvie Biotechnology Ltd | Low dose methods for treating disorders in which tnf? activity is detrimental |
| CA2691357C (en) * | 2007-06-18 | 2014-09-23 | N.V. Organon | Antibodies to human programmed death receptor pd-1 |
| EP4331604B9 (en) * | 2008-12-09 | 2025-07-23 | F. Hoffmann-La Roche AG | Anti-pd-l1 antibodies and their use to enhance t-cell function |
| KR20190133790A (ko) * | 2011-08-01 | 2019-12-03 | 제넨테크, 인크. | Pd-1 축 결합 길항제 및 mek 억제제를 사용하는 암 치료 방법 |
| AU2013201121A1 (en) * | 2011-09-20 | 2013-04-04 | Vical Incorporated | Synergistic anti-tumor efficacy using alloantigen combination immunotherapy |
| US9682143B2 (en) * | 2012-08-14 | 2017-06-20 | Ibc Pharmaceuticals, Inc. | Combination therapy for inducing immune response to disease |
-
2015
- 2015-08-11 AU AU2015303239A patent/AU2015303239A1/en not_active Abandoned
- 2015-08-11 EP EP15748249.8A patent/EP3180357B1/en not_active Not-in-force
- 2015-08-11 WO PCT/EP2015/068404 patent/WO2016023875A1/en not_active Ceased
- 2015-08-11 CN CN201580036567.7A patent/CN106659780A/zh active Pending
- 2015-08-11 BR BR112016029334A patent/BR112016029334A2/pt not_active Application Discontinuation
- 2015-08-11 CA CA2949739A patent/CA2949739A1/en not_active Abandoned
- 2015-08-11 RU RU2017108173A patent/RU2017108173A/ru not_active Application Discontinuation
- 2015-08-11 JP JP2017507983A patent/JP6586454B2/ja not_active Expired - Fee Related
- 2015-08-11 EP EP19177793.7A patent/EP3626740A1/en not_active Withdrawn
- 2015-08-11 KR KR1020177003938A patent/KR20170035945A/ko not_active Ceased
- 2015-08-11 MX MX2017001976A patent/MX2017001976A/es unknown
- 2015-08-11 SG SG11201701039PA patent/SG11201701039PA/en unknown
- 2015-08-13 TW TW104126436A patent/TW201609141A/zh unknown
- 2015-08-14 US US14/827,044 patent/US20160045597A1/en not_active Abandoned
-
2016
- 2016-11-24 IL IL249189A patent/IL249189A0/en unknown
-
2017
- 2017-10-02 US US15/722,585 patent/US20180051077A1/en not_active Abandoned
-
2019
- 2019-12-11 US US16/710,188 patent/US20200095313A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CA2949739A1 (en) | 2016-02-18 |
| MX2017001976A (es) | 2017-08-02 |
| IL249189A0 (en) | 2017-01-31 |
| EP3180357B1 (en) | 2019-07-03 |
| US20200095313A1 (en) | 2020-03-26 |
| JP6586454B2 (ja) | 2019-10-02 |
| WO2016023875A1 (en) | 2016-02-18 |
| KR20170035945A (ko) | 2017-03-31 |
| EP3180357A1 (en) | 2017-06-21 |
| EP3626740A1 (en) | 2020-03-25 |
| JP2017529327A (ja) | 2017-10-05 |
| SG11201701039PA (en) | 2017-03-30 |
| AU2015303239A1 (en) | 2016-12-15 |
| RU2017108173A3 (zh) | 2019-03-11 |
| RU2017108173A (ru) | 2018-09-17 |
| BR112016029334A2 (pt) | 2018-01-09 |
| US20180051077A1 (en) | 2018-02-22 |
| US20160045597A1 (en) | 2016-02-18 |
| CN106659780A (zh) | 2017-05-10 |
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