JPWO2020128527A5 - - Google Patents
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- JPWO2020128527A5 JPWO2020128527A5 JP2021536064A JP2021536064A JPWO2020128527A5 JP WO2020128527 A5 JPWO2020128527 A5 JP WO2020128527A5 JP 2021536064 A JP2021536064 A JP 2021536064A JP 2021536064 A JP2021536064 A JP 2021536064A JP WO2020128527 A5 JPWO2020128527 A5 JP WO2020128527A5
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- Prior art keywords
- referred
- seq
- peptide ligand
- ligand according
- sar
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- 230000027455 binding Effects 0.000 description 21
- 239000003446 ligand Substances 0.000 description 21
- 125000000151 cysteine group Chemical group N[C@@H](CS)C(=O)* 0.000 description 9
- 125000003275 alpha amino acid group Chemical group 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 239000011780 sodium chloride Substances 0.000 description 6
- 235000001014 amino acid Nutrition 0.000 description 5
- 150000001413 amino acids Chemical class 0.000 description 5
- 102100007290 CD274 Human genes 0.000 description 4
- 101710012053 CD274 Proteins 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 229940079593 drugs Drugs 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229920001184 polypeptide Polymers 0.000 description 3
- 125000000539 amino acid group Chemical group 0.000 description 2
- 125000002619 bicyclic group Chemical group 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 239000002062 molecular scaffold Substances 0.000 description 2
- 238000000159 protein binding assay Methods 0.000 description 2
- GHITVUOBZBZMND-UHFFFAOYSA-N 1,3,5-tris(bromomethyl)benzene Chemical compound BrCC1=CC(CBr)=CC(CBr)=C1 GHITVUOBZBZMND-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000002254 cytotoxic agent Substances 0.000 description 1
- 231100000599 cytotoxic agent Toxicity 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000001404 mediated Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000546 pharmaceutic aid Substances 0.000 description 1
- 239000008194 pharmaceutical composition Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Description
本発明の以下の選択された二環式ペプチドリガンドを上述のSPR結合アッセイで試験した。結果は、表3に示されている:
表3:本発明の選択された二環式ペプチドリガンドのPD-L1SPR結合アッセイデータ
(態様1)
少なくとも2つのループ配列によって隔てられた少なくとも3つのシステイン残基を含むポリペプチド及び該ポリペプチドのシステイン残基と共有結合を形成する芳香族分子スキャフォールドを含み、その結果、少なくとも2つのポリペプチドループが該分子スキャフォールド上に形成される、PD-L1に特異的なペプチドリガンド。
(態様2)
前記ループ配列が2、3、又は6つのアミノ酸を含む、態様1記載のペプチドリガンド。
(態様3)
(化1)
(ここで、X
1
は、任意のアミノ酸残基を表し、C
i
、C
ii
、及びC
iii
は、それぞれ、第一、第二、及び第三のシステイン残基を表す)
:から選択されるアミノ酸配列、又はその医薬として許容し得る塩を含む、態様1又は態様2記載のペプチドリガンド。
(態様4)
前記ループ配列が、その第一のものが6つのアミノ酸からなり、その第二のものが2つのアミノ酸からなる2つのループ配列によって隔てられた3つのシステイン残基を含み、該ペプチドリガンドが、
(化2)
(ここで、C
i
、C
ii
、及びC
iii
は、それぞれ、第一、第二、及び第三のシステイン残基を表す)
:から選択されるアミノ酸配列、又はその医薬として許容し得る塩を含む、態様1~3のいずれか一項記載のペプチドリガンド。
(態様5)
前記ループ配列が、その第一のものが6つのアミノ酸からなり、その第二のものが3つのアミノ酸からなる2つのループ配列によって隔てられた3つのシステイン残基を含み、該ペプチドリガンドが、
(化3)
(ここで、X
1
は、任意のアミノ酸残基を表し、C
i
、C
ii
、及びC
iii
は、それぞれ、第一、第二、及び第三のシステイン残基を表す)
:から選択されるアミノ酸配列、又はその医薬として許容し得る塩を含む、態様1~3のいずれか一項記載のペプチドリガンド。
(態様6)
前記
(化4)
のペプチドリガンドが、配列番号1~3:
(化5)
(ここで、C
i
、C
ii
、及びC
iii
は、それぞれ、第一、第二、及び第三のシステイン残基を表す)
のいずれか1つから選択されるアミノ酸配列、又はその医薬として許容し得る塩、
例えば:
A-(配列番号1)-A(本明細書において、BCY507と称される);
A-(配列番号1と称される)-A[Sar]
6
(その蛍光化誘導体は、以後、BCY543と称される);
A-(配列番号2と称される)-A(本明細書において、BCY508と称される);
[B-Ala][Sar]
5
A-(配列番号2と称される)-A(その蛍光化誘導体は、以後、BCY544と称される);
A-(配列番号3と称される)-A(本明細書において、BCY509と称される);
[B-Ala][Sar]
5
A-(配列番号3と称される)-A(その蛍光化誘導体は、以後、BCY545と称される);及び
A-(配列番号3と称される)-A[Sar]
6
(その蛍光化誘導体は、以後、BCY546と称される)
:から選択されるアミノ酸配列を含む、態様3又は態様5記載のペプチドリガンド。
(態様7)
前記
(化6)
のペプチドリガンドが、配列番号4~6:
(化7)
(ここで、C
i
、C
ii
、及びC
iii
は、それぞれ、第一、第二、及び第三のシステイン残基を表す)
のいずれか1つから選択されるアミノ酸配列、又はその医薬として許容し得る塩、
例えば:
A-(配列番号4)-A(本明細書において、BCY514と称される);
A-(配列番号4と称される)-A[Sar]
6
(その蛍光化誘導体は、以後、BCY550と称される);
G[Sar]
5
A-(配列番号4と称される)-A(その蛍光化誘導体は、以後、BCY583と称される);
A-(配列番号5と称される)-A(本明細書において、BCY515と称される);
G[Sar]
5
A-(配列番号5と称される)-A(その蛍光化誘導体は、以後、BCY584と称される);
A-(配列番号6と称される)-A(本明細書において、BCY516と称される);及び
G[Sar]
5
A-(配列番号6と称される)-A(その蛍光化誘導体は、以後、BCY585と称される)
:から選択されるアミノ酸配列を含む、態様3又は態様5記載のペプチドリガンド。
(態様8)
前記ペプチドリガンド
(化8)
が、
A-(配列番号9)-A[Sar]
6
(その蛍光化誘導体は、以後、BCY551と称される)
:であるアミノ酸配列を含む、態様3記載のペプチドリガンド。
(態様9)
表1~3のいずれかに掲載されているペプチドである、態様1又は態様2記載のペプチドリガンド。
(態様10)
前記分子スキャフォールドが1,3,5-トリス(ブロモメチル)ベンゼン(TBMB)である、態様1~9のいずれか一項記載のペプチドリガンド。
(態様11)
前記医薬として許容し得る塩が、遊離酸又はナトリウム、カリウム、カルシウム、アンモニウム塩から選択される、態様1~10のいずれか一項記載のペプチドリガンド。
(態様12)
前記PD-L1がヒトPD-L1である、態様1~11のいずれか一項記載のペプチドリガンド。
(態様13)
1以上のエフェクター及び/又は官能基にコンジュゲートされた、態様1~12のいずれか一項記載のペプチドリガンドを含む薬物コンジュゲート。
(態様14)
1以上の細胞毒性剤にコンジュゲートされた、態様1~12のいずれか一項記載のペプチドリガンドを含む薬物コンジュゲート。
(態様15)
態様1~12のいずれか一項記載のペプチドリガンド又は態様13又は態様14記載の1以上の薬物コンジュゲートを医薬として許容し得る賦形剤との組合せで含む医薬組成物。
(態様16)
PD-L1によって媒介される疾患又障害の予防、抑制、又は治療において使用するための、態様1~12のいずれか一項記載のペプチドリガンド又は態様13又は態様14記載の薬物コンジュゲート。
The following selected bicyclic peptide ligands of the invention were tested in the SPR binding assay described above. Results are shown in Table 3:
Table 3: PD-L1SPR binding assay data for selected bicyclic peptide ligands of the invention.
(Aspect 1)
A polypeptide comprising at least three cysteine residues separated by at least two loop sequences and an aromatic molecular scaffold that forms a covalent bond with the cysteine residues of the polypeptide, such that at least two polypeptide loops are formed. A peptide ligand specific for PD-L1 formed on said molecular scaffold.
(Aspect 2)
2. The peptide ligand of embodiment 1, wherein said loop sequence comprises 2, 3, or 6 amino acids.
(Aspect 3)
(Chem. 1)
(where X 1 represents any amino acid residue and C i , C ii , and C iii represent the first, second, and third cysteine residues, respectively)
A peptide ligand according to embodiment 1 or embodiment 2, comprising an amino acid sequence selected from: or a pharmaceutically acceptable salt thereof.
(Aspect 4)
said loop sequence comprising three cysteine residues separated by two loop sequences, the first of which consists of 6 amino acids and the second of which consists of 2 amino acids;
(Chemical 2)
(where C i , C ii and C iii represent the first, second and third cysteine residues respectively)
4. A peptide ligand according to any one of embodiments 1-3, comprising an amino acid sequence selected from: or a pharmaceutically acceptable salt thereof.
(Aspect 5)
said loop sequence comprising three cysteine residues separated by two loop sequences, the first of which consists of 6 amino acids and the second of which consists of 3 amino acids;
(Chemical 3)
(where X 1 represents any amino acid residue and C i , C ii , and C iii represent the first, second, and third cysteine residues, respectively)
4. A peptide ligand according to any one of embodiments 1-3, comprising an amino acid sequence selected from: or a pharmaceutically acceptable salt thereof.
(Aspect 6)
Said
(Chem. 4)
are peptide ligands of SEQ ID NOs: 1-3:
(Chem. 5)
(where C i , C ii and C iii represent the first, second and third cysteine residues respectively)
or a pharmaceutically acceptable salt thereof,
for example:
A-(SEQ ID NO: 1)-A (referred to herein as BCY507);
A-(referred to as SEQ ID NO: 1)-A[Sar] 6 (the fluorescent derivative of which is hereinafter referred to as BCY543);
A-(referred to as SEQ ID NO: 2)-A (referred to herein as BCY508);
[B-Ala][Sar] 5 A-(referred to as SEQ ID NO: 2)-A (the fluorescent derivative of which is hereinafter referred to as BCY544);
A-(referred to as SEQ ID NO: 3)-A (referred to herein as BCY509);
[B-Ala][Sar] 5 A-(referred to as SEQ ID NO: 3)-A (the fluorescent derivative of which is hereinafter referred to as BCY545); and
A-(referred to as SEQ ID NO: 3)-A[Sar] 6 (its fluorescent derivative is hereinafter referred to as BCY546)
A peptide ligand according to embodiment 3 or embodiment 5, comprising an amino acid sequence selected from:
(Aspect 7)
Said
(Chemical 6)
are peptide ligands of SEQ ID NOS: 4-6:
(Chem. 7)
(where C i , C ii and C iii represent the first, second and third cysteine residues respectively)
or a pharmaceutically acceptable salt thereof,
for example:
A-(SEQ ID NO: 4)-A (referred to herein as BCY514);
A-(referred to as SEQ ID NO: 4)-A[Sar] 6 (the fluorescent derivative of which is hereinafter referred to as BCY550);
G[Sar] 5 A-(referred to as SEQ ID NO: 4)-A (the fluorescent derivative of which is hereinafter referred to as BCY583);
A-(referred to as SEQ ID NO: 5)-A (referred to herein as BCY515);
G[Sar] 5 A-(referred to as SEQ ID NO: 5)-A (the fluorescent derivative of which is hereinafter referred to as BCY584);
A-(referred to as SEQ ID NO: 6)-A (referred to herein as BCY516); and
G[Sar] 5 A-(referred to as SEQ ID NO: 6)-A (the fluorescent derivative of which is hereinafter referred to as BCY585)
A peptide ligand according to embodiment 3 or embodiment 5, comprising an amino acid sequence selected from:
(Aspect 8)
said peptide ligand
(Chemical 8)
but,
A-(SEQ ID NO: 9)-A[Sar] 6 (the fluorescent derivative of which is hereafter referred to as BCY551)
A peptide ligand according to embodiment 3, comprising an amino acid sequence of:
(Aspect 9)
A peptide ligand according to embodiment 1 or embodiment 2, which is a peptide listed in any of Tables 1-3.
(Mode 10)
10. The peptide ligand according to any one of embodiments 1-9, wherein said molecular scaffold is 1,3,5-tris(bromomethyl)benzene (TBMB).
(Aspect 11)
11. The peptide ligand according to any one of embodiments 1-10, wherein said pharmaceutically acceptable salt is selected from the free acid or sodium, potassium, calcium, ammonium salts.
(Aspect 12)
12. The peptide ligand according to any one of embodiments 1-11, wherein said PD-L1 is human PD-L1.
(Aspect 13)
A drug conjugate comprising a peptide ligand according to any one of aspects 1-12 conjugated to one or more effector and/or functional groups.
(Aspect 14)
A drug conjugate comprising the peptide ligand of any one of embodiments 1-12 conjugated to one or more cytotoxic agents.
(Aspect 15)
A pharmaceutical composition comprising a peptide ligand according to any one of aspects 1-12 or one or more drug conjugates according to aspect 13 or aspect 14 in combination with a pharmaceutically acceptable excipient.
(Aspect 16)
15. A peptide ligand according to any one of aspects 1-12 or a drug conjugate according to aspect 13 or aspect 14 for use in the prevention, suppression or treatment of a disease or disorder mediated by PD-L1.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB1820969.2A GB201820969D0 (en) | 2018-12-21 | 2018-12-21 | Bicyclic peptide ligands specific for pd-l |
GB1820969.2 | 2018-12-21 | ||
GB1904622.6 | 2019-04-02 | ||
GBGB1904622.6A GB201904622D0 (en) | 2019-04-02 | 2019-04-02 | Bicyclic peptide ligands specific for pd-l1 |
PCT/GB2019/053680 WO2020128527A1 (en) | 2018-12-21 | 2019-12-23 | Bicyclic peptide ligands specific for pd-l1 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022514687A JP2022514687A (en) | 2022-02-14 |
JPWO2020128527A5 true JPWO2020128527A5 (en) | 2022-12-28 |
Family
ID=69104802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021536064A Pending JP2022514687A (en) | 2018-12-21 | 2019-12-23 | Bicyclic peptide ligand specific for PD-L1 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220088207A1 (en) |
EP (1) | EP3897850A1 (en) |
JP (1) | JP2022514687A (en) |
CN (1) | CN113260420A (en) |
WO (1) | WO2020128527A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019025811A1 (en) | 2017-08-04 | 2019-02-07 | Bicycletx Limited | Bicyclic peptide ligands specific for cd137 |
TW202118770A (en) | 2019-07-30 | 2021-05-16 | 英商拜西可泰克斯有限公司 | Heterotandem bicyclic peptide complex |
US20240197897A1 (en) | 2021-01-08 | 2024-06-20 | Bicycle TX Limited | Heterotandem bicyclic peptide complexes |
US20240325554A1 (en) | 2021-01-11 | 2024-10-03 | Bicycle TX Limited | Methods for treating cancer |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1452868A2 (en) | 2003-02-27 | 2004-09-01 | Pepscan Systems B.V. | Method for selecting a candidate drug compound |
CA2595902C (en) | 2005-01-24 | 2017-08-22 | Pepscan Systems B.V. | Binding compounds, immunogenic compounds and peptidomimetics of the beta-3 hairpin loop of cystine-knot growth factors |
ES2383191T3 (en) | 2008-02-05 | 2012-06-19 | Medical Research Council | Methods and compositions |
SI3215518T1 (en) * | 2014-10-29 | 2021-08-31 | Bicyclerd Limited | Bicyclic peptide ligands specific for mt1-mmp |
GB201607827D0 (en) * | 2016-05-04 | 2016-06-15 | Bicycle Therapeutics Ltd | Bicyclic peptide-toxin conjugates specific for MT1-MMP |
EP3572429A4 (en) * | 2017-01-23 | 2021-04-07 | Suzhou Alphamab Co., Ltd | Pd-l1 binding polypeptide or composite |
GB2562721A (en) * | 2017-05-16 | 2018-11-28 | Fastbase Solutions Ltd | Kits, methods and their uses for detecting cell-cell interactions in a sample |
KR20200139236A (en) * | 2018-04-04 | 2020-12-11 | 바이사이클티엑스 리미티드 | Heterotandem Bicyclic Peptide Complex |
-
2019
- 2019-12-23 US US17/416,562 patent/US20220088207A1/en active Pending
- 2019-12-23 JP JP2021536064A patent/JP2022514687A/en active Pending
- 2019-12-23 EP EP19831859.4A patent/EP3897850A1/en active Pending
- 2019-12-23 CN CN201980083299.2A patent/CN113260420A/en active Pending
- 2019-12-23 WO PCT/GB2019/053680 patent/WO2020128527A1/en unknown
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