JP2023535261A - 抗ctla4モノクローナル抗体及びキメラ抗原受容体 - Google Patents
抗ctla4モノクローナル抗体及びキメラ抗原受容体 Download PDFInfo
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Abstract
Description
サイズが110KBであり、ファイル名が102719.0032PCT_REV005_ST25.txtである配列表のASCIIテキストファイルの内容は、2021年6月1日に作成され、本出願と共にEFS-Webを介して電子的に提出され、その全体が参照により援用される。
本発明の分野は、細胞傷害性Tリンパ球関連抗原-4(CTLA-4)に結合する化合物、特に抗体、抗体断片、scFv、及び本明細書に提示されるVH及びVLドメインを含む融合分子の組成物及び方法である。
Claims (25)
- 配列番号1、3、5、7、9、11、13、15、17、19、21、23、25、27、29、31、33、35、36、38、40、42、44、46、48、49、51、54、56、及び58からなる群から選択される第1のアミノ酸配列を含むVHセグメント、並びに/又は配列番号2、4、6、8、10、12、14、16、18、20、22、24、26、28、30、32、34、37、39、41、43、45、47、50、53、55、57、及び59からなる群から選択される第2のアミノ酸配列を含むVLセグメント
を含む、一本鎖可変断片(scFv)ペプチド。 - 前記VHセグメント及びVLセグメントが、リンカーペプチドと共役される、請求項1に記載のペプチド。
- 前記リンカーペプチドが、グリシンに富むペプチドである、請求項2に記載のペプチド。
- 前記ペプチドが、薬理学的に許容可能な担体中に存在する、請求項1~3のいずれか一項に記載のペプチド。
- 前記ペプチドが、前記VHセグメント及びVLセグメントの少なくとも2つの対をさらに含み、前記少なくとも2つの対が連結されて多価のscFvを形成する、請求項1~4のいずれか一項に記載のペプチド。
- 配列番号60、61、62、64、65、66、68、及び70からなる群から選択される第1のアミノ酸配列を含む重鎖、並びに/又は配列番号63、67、69、及び71からなる群から選択される第2のアミノ酸配列を含む軽鎖を含む、抗体。
- 配列番号60、61、62、64、65、66、68、及び70からなる群から選択される前記第1のアミノ酸配列を含む重鎖、及び配列番号63、67、69、及び71からなる群から選択される前記第2のアミノ酸配列を含む軽鎖を含む、請求項6に記載の抗体。
- 配列番号68の第1のアミノ酸配列を含む重鎖と配列番号69の第2のアミノ酸配列を含む軽鎖、又は配列番号70の第1のアミノ酸配列を含む重鎖と配列番号71の第2のアミノ酸配列を含む軽鎖
を含む、抗体。 - 請求項1~5のいずれか一項に記載の一本鎖可変断片(scFv)ペプチド又は請求項6~8のいずれか一項に記載の抗体を含み、
前記一本鎖可変断片(scFv)ペプチド又は前記抗体が、薬理学的に許容可能な担体中に存在する、がんを有する患者を治療するための医薬組成物。 - 請求項1~5のいずれか一項に記載の一本鎖可変断片(scFv)ペプチド又は請求項6~8のいずれか一項に記載の抗体を含み、
前記一本鎖可変断片(scFv)ペプチド又は前記抗体が、検出可能な標識をさらに含む、診断用組成物。 - 配列番号1、3、5、7、9、11、13、15、17、19、21、23、25、27、29、31、33、35、36、38、40、42、44、46、48、49、51、54、56、及び58からなる群から選択される第1のアミノ酸配列をコード化する第1の核酸セグメント、並びに/又は配列番号2、4、6、8、10、12、14、16、18、20、22、24、26、28、30、32、34、37、39、41、43、45、47、50、53、55、57、及び59からなる群から選択される第2のアミノ酸配列を含み、
前記第1及び第2のセグメントが、任意選択的に同一読み枠中に存在する、組換え核酸。 - 配列番号60、61、62、64、65、66、68、及び70からなる群から選択される第1のアミノ酸配列をコード化する第1の核酸セグメント、並びに/又は配列番号63、67、69、及び71からなる群から選択される第2のアミノ酸配列を含み、
前記第1及び第2のセグメントが、任意選択的にバイシストロン配置中にある、組換え核酸。 - 配列番号68の第1のアミノ酸配列をコード化する第1の核酸セグメント及び配列番号69の第2のアミノ酸配列をコード化する第2の核酸セグメント、又は
配列番号70の第1のアミノ酸配列をコード化する第1の核酸セグメント及び配列番号71の第2のアミノ酸配列をコード化する第2の核酸セグメントを含む、組換え核酸。 - キメラ抗原受容体(CAR)の少なくとも一部をコード化するポリペプチドをコード化する第3のセグメントをさらに含み、前記CARが、細胞内で発現されると、前記第1及び/又は第2の核酸セグメントを含む抗原結合細胞外ドメインを有する、請求項11に記載の組換え核酸。
- N-803又はTxMの少なくとも一部をコード化するポリペプチドをコード化する第3のセグメントをさらに含み、前記N-803又はTxMが、細胞内で発現されると、前記第1及び/又は第2の核酸セグメントを含む抗原結合ドメインを有する、請求項11に記載の組換え核酸。
- 請求項11~15のいずれか一項に記載の組換え核酸を含む、組換え細胞。
- 前記細胞が、T細胞、NK細胞、NKT細胞、単球、マクロファージ、又は樹状細胞である、請求項16に記載の組換え細胞。
- 前記細胞が、CHO細胞又はEC7細胞である、請求項16に記載の組換え細胞。
- 細胞又は組織を、細胞又は組織におけるCTALA-4媒介効果を減少させる量の請求項1~5のいずれか一項に記載の一本鎖可変断片(scFv)ペプチド又は請求項6~8のいずれか一項に記載の抗体に接触させるステップを含む、前記細胞又は組織におけるCTLA-4媒介効果を減少させる方法。
- 請求項1~6のいずれか一項に記載の一本鎖可変断片(scFv)ペプチド、又は請求項6~8のいずれか一項に記載の抗体、又は請求項16若しくは17に記載の組換え細胞を含む医薬組成物を、腫瘍を有する患者に投与するステップを含み、
前記医薬組成物が、前記腫瘍を治療するのに有効な用量及びスケジュールで前記患者に投与される、前記患者を治療する方法。 - 請求項1~6のいずれか一項に記載の一本鎖可変断片(scFv)ペプチド、又は請求項6~8のいずれか一項に記載の抗体、又は請求項16若しくは17に記載の組換え細胞を含む医薬組成物を、腫瘍を有する患者に投与するステップを含み、
前記医薬組成物が、腫瘍微小環境における免疫抑制を低減するのに有効な用量及びスケジュールで前記患者に投与される、前記患者の免疫抑制を低減する方法。 - がんを治療するため、及び/又は腫瘍を有する患者の免疫抑制を低減するための、請求項1~5のいずれか一項に記載の一本鎖可変断片(scFv)の使用。
- がんを治療するため、及び/又は腫瘍を有する患者の免疫抑制を低減するための、請求項6~8のいずれか一項に記載の抗体の使用。
- がんを治療するため、及び/又は腫瘍を有する患者の免疫抑制を低減するための、請求項16又は17に記載の組換え細胞の使用。
- 請求項1~6のいずれか一項に記載の一本鎖可変断片(scFv)ペプチド、又は請求項6~8のいずれか一項に記載の抗体、又は請求項16若しくは17に記載の組換え細胞の医薬における使用。
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