JP2020122013A5 - - Google Patents
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- JP2020122013A5 JP2020122013A5 JP2020082524A JP2020082524A JP2020122013A5 JP 2020122013 A5 JP2020122013 A5 JP 2020122013A5 JP 2020082524 A JP2020082524 A JP 2020082524A JP 2020082524 A JP2020082524 A JP 2020082524A JP 2020122013 A5 JP2020122013 A5 JP 2020122013A5
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- 125000003275 alpha amino acid group Chemical group 0.000 claims 17
- 235000001014 amino acid Nutrition 0.000 claims 10
- 239000008194 pharmaceutical composition Substances 0.000 claims 4
- NFGXHKASABOEEW-UHFFFAOYSA-N 1-methylethyl 11-methoxy-3,7,11-trimethyl-2,4-dodecadienoate Chemical compound COC(C)(C)CCCC(C)CC=CC(C)=CC(=O)OC(C)C NFGXHKASABOEEW-UHFFFAOYSA-N 0.000 claims 3
- 125000000539 amino acid group Chemical group 0.000 claims 3
- 210000004027 cell Anatomy 0.000 claims 3
- BGFTWECWAICPDG-UHFFFAOYSA-N 2-[bis(4-chlorophenyl)methyl]-4-n-[3-[bis(4-chlorophenyl)methyl]-4-(dimethylamino)phenyl]-1-n,1-n-dimethylbenzene-1,4-diamine Chemical compound C1=C(C(C=2C=CC(Cl)=CC=2)C=2C=CC(Cl)=CC=2)C(N(C)C)=CC=C1NC(C=1)=CC=C(N(C)C)C=1C(C=1C=CC(Cl)=CC=1)C1=CC=C(Cl)C=C1 BGFTWECWAICPDG-UHFFFAOYSA-N 0.000 claims 2
- 239000004475 Arginine Substances 0.000 claims 2
- 102000006942 B-Cell Maturation Antigen Human genes 0.000 claims 2
- 108010008014 B-Cell Maturation Antigen Proteins 0.000 claims 2
- 101000801255 Homo sapiens Tumor necrosis factor receptor superfamily member 17 Proteins 0.000 claims 2
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 claims 2
- 239000004472 Lysine Substances 0.000 claims 2
- 208000021161 Plasma cell disease Diseases 0.000 claims 2
- ODKSFYDXXFIFQN-UHFFFAOYSA-N arginine Natural products OC(=O)C(N)CCCNC(N)=N ODKSFYDXXFIFQN-UHFFFAOYSA-N 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- HNDVDQJCIGZPNO-UHFFFAOYSA-N histidine Natural products OC(=O)C(N)CC1=CN=CN1 HNDVDQJCIGZPNO-UHFFFAOYSA-N 0.000 claims 2
- 102000046935 human TNFRSF17 Human genes 0.000 claims 2
- 150000007523 nucleic acids Chemical class 0.000 claims 2
- 102000039446 nucleic acids Human genes 0.000 claims 2
- 108020004707 nucleic acids Proteins 0.000 claims 2
- 239000013598 vector Substances 0.000 claims 2
- FWMNVWWHGCHHJJ-SKKKGAJSSA-N 4-amino-1-[(2r)-6-amino-2-[[(2r)-2-[[(2r)-2-[[(2r)-2-amino-3-phenylpropanoyl]amino]-3-phenylpropanoyl]amino]-4-methylpentanoyl]amino]hexanoyl]piperidine-4-carboxylic acid Chemical compound C([C@H](C(=O)N[C@H](CC(C)C)C(=O)N[C@H](CCCCN)C(=O)N1CCC(N)(CC1)C(O)=O)NC(=O)[C@H](N)CC=1C=CC=CC=1)C1=CC=CC=C1 FWMNVWWHGCHHJJ-SKKKGAJSSA-N 0.000 claims 1
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 claims 1
- 102000001706 Immunoglobulin Fab Fragments Human genes 0.000 claims 1
- 108010054477 Immunoglobulin Fab Fragments Proteins 0.000 claims 1
- CKLJMWTZIZZHCS-REOHCLBHSA-N L-aspartic acid Chemical compound OC(=O)[C@@H](N)CC(O)=O CKLJMWTZIZZHCS-REOHCLBHSA-N 0.000 claims 1
- 208000034578 Multiple myelomas Diseases 0.000 claims 1
- 206010035226 Plasma cell myeloma Diseases 0.000 claims 1
- 150000001413 amino acids Chemical class 0.000 claims 1
- 235000003704 aspartic acid Nutrition 0.000 claims 1
- OQFSQFPPLPISGP-UHFFFAOYSA-N beta-carboxyaspartic acid Natural products OC(=O)C(N)C(C(O)=O)C(O)=O OQFSQFPPLPISGP-UHFFFAOYSA-N 0.000 claims 1
- 238000012258 culturing Methods 0.000 claims 1
- 239000003814 drug Substances 0.000 claims 1
- 235000013922 glutamic acid Nutrition 0.000 claims 1
- 239000004220 glutamic acid Substances 0.000 claims 1
- 125000000291 glutamic acid group Chemical group N[C@@H](CCC(O)=O)C(=O)* 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000000546 pharmaceutical excipient Substances 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 201000000596 systemic lupus erythematosus Diseases 0.000 claims 1
- 230000001131 transforming effect Effects 0.000 claims 1
Claims (13)
- ヒトB細胞成熟抗原(「BCMA」)の細胞外ドメイン、およびヒトCD3e(「CD3」)に特異的に結合する二特異性抗体であって、
a)BCMAに特異的に結合する第1のFabであって、前記第1のFabが第1の軽鎖および第1の重鎖を含み、前記第1の軽鎖が可変ドメインVLおよび定常ドメインCLを含み、前記第1の重鎖が可変ドメインVHよび定常ドメインCH1を含む、第1のFabと;
b)CD3に特異的に結合する第2のFabであって、前記第2のFabが第2の軽鎖および第2の重鎖を含み、前記第2の軽鎖が可変ドメインVLおよび定常ドメインCLを含み、前記第2の重鎖が可変ドメインVHおよび定常ドメインCH1を含み、前記第2の軽鎖内の前記可変ドメインVLおよび前記第2の重鎖内の前記可変ドメインVHが、互いに置きかえられている、第2のFab
とを含み;
前記第2の軽鎖の定常ドメインCL内で、124位におけるアミノ酸(KabatによるEUインデックスに従う番号付け)が、リシン(K)、アルギニン(R)、またはヒスチジン(H)により独立に置換されており、前記第2の重鎖の定常ドメインCH1内で、147位におけるアミノ酸および213位におけるアミノ酸(KabatによるEUインデックスに従う番号付け)が、グルタミン酸(E)またはアスパラギン酸(D)により独立に置換されている、
二特異性抗体。 - 前記二特異性抗体がさらに第3のFab断片を含み、前記第3のFabが前記第1のFabと同一である、請求項1に記載の二特異性抗体。
- 前記定常ドメインCL内の124位におけるアミノ酸の置きかえに加えて、123位におけるアミノ酸(KabatによるEUインデックスに従う番号付け)が、リシン(K)、アルギニン(R)、またはヒスチジン(H)により独立に置換されている、請求項1または2に記載の二特異性抗体。
- 前記124位におけるアミノ酸がKであり、前記147位におけるアミノ酸がEであり、前記213位におけるアミノ酸がEであり、前記123位におけるアミノ酸がRである、請求項3に記載の二特異性抗体。
- ヒトBCMAに特異的に結合する前記第1のFabが、
a)配列番号21、配列番号24、および配列番号27のアミノ酸配列を、それぞれ重鎖CDR1、CDR2、およびCDR3として、配列番号30、配列番号33、および配列番号36のアミノ酸配列を、それぞれ軽鎖CDR1、CDR2、およびCDR3として含むか;
b)配列番号22、配列番号25、および配列番号28のアミノ酸配列を、それぞれ重鎖CDR1、CDR2、およびCDR3として、配列番号31、配列番号34、および配列番号37のアミノ酸配列を、それぞれ軽鎖CDR1、CDR2、およびCDR3として含むか;または
c)配列番号23、配列番号26、および配列番号29のアミノ酸配列を、それぞれ重鎖CDR1、CDR2、およびCDR3として、配列番号32、配列番号35、および配列番号38のアミノ酸配列を、それぞれ軽鎖CDR1、CDR2、およびCDR3として含むことを特徴とする、請求項1から4のいずれか一項に記載の二特異性抗体。 - ヒトCD3に特異的に結合する前記第2のFabが、配列番号1、配列番号2、および配列番号3のアミノ酸配列を、それぞれ重鎖CDR1、CDR2、およびCDR3として、配列番号4、配列番号5、および配列番号6のアミノ酸配列を、それぞれ軽鎖CDR1、CDR2、およびCDR3として含む、請求項5に記載の二特異性抗体。
- 前記二特異性抗体がさらにCH3ドメインを含み、一方の重鎖のCH3ドメインおよび他方の重鎖のCH3ドメインの各々が、抗体のCH3ドメインの間の、元の界面を含む界面において向かい合い、前記界面が、前記二特異性抗体の形成を促進するように変更されており、前記変更が、
a)前記二特異性抗体内の前記他方の重鎖のCH3ドメインの前記元の界面と向かい合う、一方の重鎖のCH3ドメインの前記元の界面内で、アミノ酸残基が、より大きい側鎖体積を有するアミノ酸残基で置きかえられ、これにより、一方の重鎖のCH3ドメインの前記界面内に、前記他方の重鎖のCH3ドメインの前記界面内の空洞にはまる突起が作出されるように、一方の重鎖のCH3ドメインが変更されていることと、
b)前記二特異性抗体内の前記第1のCH3ドメインの前記元の界面と向かい合う、前記第2のCH3ドメインの前記元の界面内で、アミノ酸残基が、より小さい側鎖体積を有するアミノ酸残基で置きかえられ、これにより、前記第2のCH3ドメインの前記界面内に、前記第1のCH3ドメインの前記界面内の突起がはまる空洞が作出されるように、前記他方の重鎖のCH3ドメインが変更されていることと
を特徴とする、請求項1から6のいずれか一項に記載の二特異性抗体。 - 請求項1から7のいずれか一項に記載の二特異性抗体の調製のための方法であって、
a)宿主細胞を、請求項1から7のいずれか一項に記載の抗体の軽鎖および重鎖をコードする核酸分子を含む1つまたは複数のベクターで形質転換するステップと、
b)前記宿主細胞を、前記軽鎖および前記重鎖の発現ならびに前記二特異性抗体の合成を可能とする条件下で培養するステップと、
c)前記二特異性抗体を、前記培養物から回収するステップと
を含む方法。 - 請求項1から7のいずれか一項に記載の抗体の軽鎖および重鎖をコードする核酸分子を含むベクターを含む宿主細胞。
- 請求項1から7のいずれか一項に記載の抗体および薬学的に許容される賦形剤を含む医薬組成物。
- 医薬としての使用のための、請求項10に記載の医薬組成物。
- 形質細胞障害の処置における医薬としての使用のための、請求項10に記載の医薬組成物。
- 前記形質細胞障害が多発性骨髄腫または全身性エリテマトーデスである、請求項12に記載の医薬組成物。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14179705.0A EP2982692A1 (en) | 2014-08-04 | 2014-08-04 | Bispecific antibodies against CD3epsilon and BCMA |
| EP14179705.0 | 2014-08-04 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017505793A Division JP6703520B2 (ja) | 2014-08-04 | 2015-08-03 | Cd3イプシロンおよびbcmaに対する二特異性抗体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2020122013A JP2020122013A (ja) | 2020-08-13 |
| JP2020122013A5 true JP2020122013A5 (ja) | 2020-09-24 |
Family
ID=51260770
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017505793A Expired - Fee Related JP6703520B2 (ja) | 2014-08-04 | 2015-08-03 | Cd3イプシロンおよびbcmaに対する二特異性抗体 |
| JP2020082524A Pending JP2020122013A (ja) | 2014-08-04 | 2020-05-08 | Cd3イプシロンおよびbcmaに対する二特異性抗体 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017505793A Expired - Fee Related JP6703520B2 (ja) | 2014-08-04 | 2015-08-03 | Cd3イプシロンおよびbcmaに対する二特異性抗体 |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US10253104B2 (ja) |
| EP (2) | EP2982692A1 (ja) |
| JP (2) | JP6703520B2 (ja) |
| AU (2) | AU2015299101B2 (ja) |
| CA (1) | CA2955685C (ja) |
| CY (1) | CY1118168T1 (ja) |
| DK (1) | DK2982694T3 (ja) |
| ES (1) | ES2602051T3 (ja) |
| HR (1) | HRP20161211T1 (ja) |
| HU (1) | HUE031076T2 (ja) |
| LT (1) | LT2982694T (ja) |
| MA (1) | MA39266B1 (ja) |
| ME (1) | ME02533B (ja) |
| PL (1) | PL2982694T3 (ja) |
| PT (1) | PT2982694T (ja) |
| RS (1) | RS55410B1 (ja) |
| SG (1) | SG11201700551TA (ja) |
| SI (1) | SI2982694T1 (ja) |
| SM (1) | SMT201600392B (ja) |
| WO (1) | WO2016020332A1 (ja) |
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- 2015-08-03 DK DK15179545.7T patent/DK2982694T3/en active
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2016
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