JP2021516989A5 - - Google Patents

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Publication number
JP2021516989A5
JP2021516989A5 JP2020554837A JP2020554837A JP2021516989A5 JP 2021516989 A5 JP2021516989 A5 JP 2021516989A5 JP 2020554837 A JP2020554837 A JP 2020554837A JP 2020554837 A JP2020554837 A JP 2020554837A JP 2021516989 A5 JP2021516989 A5 JP 2021516989A5
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JP
Japan
Prior art keywords
antibody
chain variable
variable region
sequence
antibody according
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JP2020554837A
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English (en)
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JP2021516989A (ja
JP7104458B2 (ja
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Priority claimed from PCT/CN2019/080847 external-priority patent/WO2019192432A1/zh
Publication of JP2021516989A publication Critical patent/JP2021516989A/ja
Publication of JP2021516989A5 publication Critical patent/JP2021516989A5/ja
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Claims (18)

  1. (a)配列SYGIS(配列88)からなる重鎖可変領域CDR1;
    (b)配列WISAYNGNTNYAQKLQG(配列89)からなる重鎖可変領域CDR2;および
    (c)配列DGWWELLRPDDAFDI(配列90)からなる重鎖可変領域CDR3
    を含む重鎖可変領域と、
    (d)配列SGDKLGDKYAY(配列91)からなる軽鎖可変領域CDR1;
    (e)配列YDSDRPS(配列92)からなる軽鎖可変領域CDR2;および
    (f)配列QVWDSSSDQVV(配列93)からなる軽鎖可変領域CDR3
    を含む軽鎖可変領域とを含む、単離された抗LAG−3抗体。
  2. 重鎖可変領域と軽鎖可変領域とを含み、
    (1)重鎖可変領域はアミノ酸配列41からなり、軽鎖可変領域はアミノ酸配列43からなり、
    (2)重鎖可変領域はアミノ酸配列75からなり、軽鎖可変領域はアミノ酸配列43からなり、および
    (3)重鎖可変領域はアミノ酸配列77からなり、軽鎖可変領域はアミノ酸配列43からなる、
    請求項1に記載の抗体。
  3. モノクローナル抗体、ヒト抗体、ヒト化抗体、またはキメラ抗体である、請求項1に記載の抗体。
  4. LAG−3結合抗体フラグメントである、請求項1に記載の抗体。
  5. 前記抗体フラグメントは、Fab、Fab’−SH、Fv、scFv、または(Fab’)フラグメントである、請求項4に記載の抗体。
  6. 完全長抗体である、請求項1に記載の抗体。
  7. IgG抗体である、請求項1に記載の抗体。
  8. 単一特異性抗体である、請求項1に記載の抗体。
  9. 多重特異性抗体である、請求項1に記載の抗体。
  10. 前記多重特異性抗体は二重特異性抗体である、請求項9に記載の抗体。
  11. 前記二重特異性抗体は、第2の生体分子に結合する第2の結合ドメインを含み、前記第2の生体分子は細胞表面抗原である、請求項10に記載の抗体。
  12. 前記細胞表面抗原は腫瘍抗原である、請求項11に記載の抗体。
  13. 請求項1に記載の抗体および薬学的に許容される担体を含む医薬組成物。
  14. 請求項1に記載の抗体に連結された治療剤を含む免疫複合体。
  15. 前記治療剤は細胞毒性剤である、請求項14に記載の免疫複合体。
  16. 請求項1に記載の抗体をコードする単離された核酸。
  17. 当該抗体はLAG−3結合抗体フラグメントである、請求項16に記載の核酸。
  18. 前記抗体フラグメントは、Fab、Fab’−SH、Fv、scFv、または(Fab’)フラグメントである、請求項17に記載の核酸。

JP2020554837A 2018-04-02 2019-04-01 リンパ球活性化遺伝子-3(lag-3)結合抗体およびその使用 Active JP7104458B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2018081636 2018-04-02
CNPCT/CN2018/081636 2018-04-02
PCT/CN2019/080847 WO2019192432A1 (zh) 2018-04-02 2019-04-01 结合淋巴细胞活化基因-3(lag-3)的抗体及其用途

Publications (3)

Publication Number Publication Date
JP2021516989A JP2021516989A (ja) 2021-07-15
JP2021516989A5 true JP2021516989A5 (ja) 2021-09-02
JP7104458B2 JP7104458B2 (ja) 2022-07-21

Family

ID=68099943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020554837A Active JP7104458B2 (ja) 2018-04-02 2019-04-01 リンパ球活性化遺伝子-3(lag-3)結合抗体およびその使用

Country Status (4)

Country Link
US (1) US11840568B2 (ja)
EP (1) EP3778639A4 (ja)
JP (1) JP7104458B2 (ja)
WO (1) WO2019192432A1 (ja)

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