JP2019520309A - 炎症性免疫サイトカインおよびキメラ抗原受容体(car)−t細胞を含む併用治療 - Google Patents
炎症性免疫サイトカインおよびキメラ抗原受容体(car)−t細胞を含む併用治療 Download PDFInfo
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Abstract
Description
a)a1)癌関連抗原を特異的に認識する結合タンパク質、および
a2)炎症性サイトカイン
を含む融合タンパク質と、
b)癌関連抗原を認識するキメラ抗原受容体(CAR)−T細胞と
を含む。
・抗体、
・修飾抗体フォーマット、
・標的結合特性を保持する抗体誘導体または断片
・抗体ベースの結合タンパク質、
・オリゴペプチド結合剤、および/または
・抗体模倣物
から選択される群のうちの少なくとも1つを含む。
・所与の病的状態を患っているか、
・所与の病的状態を発症する危険のあるか、および/または
・所与の病的状態について診断されている
ヒトまたは動物対象の処置において使用するための、上記の説明に従う組み合わせが提供される。好ましくは、前記病的状態は腫瘍性疾患である。腫瘍性疾患という用語は、組織または細胞のあらゆる異常成長、特に悪性成長を指す。これには、癌腫、肉腫、黒色腫、リンパ腫、および白血病を含む、原発癌、二次癌および転移が包含される。
本発明は図面および上記の記載において詳細に説明および記載されたが、このような説明および記載は説明的または例示的なものであって、限定的なものではないと考えられるべきであり、本発明は開示される実施形態に限定されない。開示される実施形態に対する他の変形例は、図面、開示、および特許請求の範囲の研究から、特許請求される本発明を実施する際に当業者により理解および達成され得る。請求項において、「含む」という単語は他の要素またはステップを排除せず、不定冠詞「a」または「an」は複数を排除しない。特定の手段が互いに異なる従属クレームで記載されるという単なる事実は、これらの手段の組み合わせを有利に使用できないことを示すものではない。特許請求の範囲におけるいかなる引用符号も、範囲を限定すると解釈されてはならない。
図1:局在化ユーイング肉腫の異種移植片を共標的化するL19−IL2およびCAR−T細胞の抗腫瘍活性を評価するための実験的設計である。以下の治療群を使用した:
1.肉腫異種移植実験
マウス当たり2x106のVH−64ユーイング肉腫細胞をNOD/scidガンマ(NSG)マウスに皮下異種移植することに依存する局在型ユーイング肉腫モデルを生産した。
(1)それぞれ単独で、L19−IL2または14.G2a−BBゼータ、
(2)鶏卵リゾチーム(KSF)に結合するイムノコンジュゲートであり、負の対照の役割を果たすKSF−IL2、
(3)同様に負の対照の役割を果たす非形質導入T細胞
を用いて行った。
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Claims (26)
- 少なくとも、
a)a1)癌関連抗原を特異的に認識する結合タンパク質、および
a2)炎症性サイトカイン
を含む融合タンパク質と、
b)癌関連抗原を認識するキメラ抗原受容体(CAR)−T細胞と
を含む組み合わせ。 - ・前記結合タンパク質によって認識される前記癌関連抗原が癌間質関連性であり、かつ/または
・前記キメラ抗原受容体(CAR)−T細胞が癌細胞関連抗原を認識する、
請求項1に記載の組み合わせ。 - 前記結合タンパク質によって認識される前記癌関連抗原が血管新生マーカーである、請求項1に記載の組み合わせ。
- 前記結合タンパク質によって認識される前記癌関連抗原が、フィブロネクチン、またはそのスプライスアイソフォーム、および/またはそのサブドメインである、請求項1〜3のいずれか一項に記載の組み合わせ。
- 前記結合タンパク質によって認識される前記癌関連抗原がフィブロネクチンのEDBドメインである、請求項1〜4のいずれか一項に記載の組み合わせ。
- 前記炎症性サイトカインが、IL2およびIL15からなる群から選択される一である、請求項1〜5のいずれか一項に記載の組み合わせ。
- 前記CAR−T細胞がジシアロガングリオシドGD2を認識する、請求項1〜6のいずれか一項に記載の組み合わせ。
- 前記結合タンパク質が、
・抗体、
・修飾抗体フォーマット、
・標的結合特性を保持する抗体誘導体または断片
・抗体ベースの結合タンパク質、
・オリゴペプチド結合剤、および/または
・抗体模倣物
から選択される群のうちの少なくとも1つを含む、請求項1〜7のいずれか一項に記載の組み合わせ。 - 前記結合タンパク質がL19抗体の少なくとも1つのCDR配列を含有する、請求項1〜8のいずれか一項に記載の組み合わせ。
- 前記結合タンパク質が配列番号6〜11に記載の配列を含む、請求項1〜9のいずれか一項に記載の組み合わせ。
- 前記結合タンパク質が、配列番号1に記載の少なくとも1つのV重鎖、または配列番号2に記載の少なくとも1つのV軽鎖を含む、請求項1〜10のいずれか一項に記載の組み合わせ。
- 前記重鎖および前記軽鎖がペプチドリンカーによって結合された、請求項1〜11のいずれか一項に記載の組み合わせ。
- 前記ペプチドリンカーが、配列番号3に記載の配列、または配列番号3に記載の配列に対して少なくとも90%の同一性を有する配列を含む、請求項11に記載の組み合わせ。
- 前記IL2または前記IL15が、哺乳類IL2またはIL15、好ましくはヒトIL2またはIL15、またはこれらの機能性変異体である、請求項1〜13のいずれか一項に記載の組み合わせ。
- 前記IL2が、配列番号4に記載の配列またはその機能性変異体を含む、請求項1〜14のいずれか一項に記載の組み合わせ。
- 前記IL15が、配列番号12に記載の配列またはその機能性変異体を含む、請求項1〜13のいずれか一項に記載の組み合わせ。
- 融合タンパク質リンカーが、前記結合タンパク質と前記炎症性サイトカイン部分とを結合している、請求項1〜16のいずれか一項に記載の組み合わせ。
- 前記融合タンパク質リンカーが、1アミノ酸以上及び30アミノ酸以下の長さを有する、請求項16に記載の組み合わせ。
- 前記融合タンパク質リンカーが配列番号5に記載の配列を含む、請求項16または17に記載の組み合わせ。
- 前記融合タンパク質がペグ化されている、請求項1〜19のいずれか一項に記載の組み合わせ。
- 前記T細胞内のキメラ抗原受容体(CAR)が、14.G2a−ゼータ、14.G2a−BBゼータまたは14.G2a−28ゼータを含む、請求項1〜20のいずれか一項に記載の組み合わせ。
- ・所与の病的状態を患っているか、
・所与の病的状態を発症する危険のあるか、および/または
・所与の病的状態について診断されている
ヒトまたは動物対象の処置において使用するための、請求項1〜21のいずれか一項に記載の組み合わせ。 - 前記病的状態が腫瘍性疾患である、請求項22に記載の組み合わせまたはその使用。
- 前記病的状態が、固形腫瘍、特に、リンパ腫、癌腫、肉腫であるか、または白血病である、請求項22又は23に記載の組み合わせまたはその使用。
- 前記融合タンパク質および前記キメラ抗原受容体(CAR)−T細胞が、併用治療および/または補助治療として投与されるものである、請求項1〜24のいずれか一項に記載の組み合わせまたはその使用。
- 前記融合タンパク質および前記キメラ抗原受容体(CAR)−T細胞が、逐次治療として投与されるものである、請求項1〜25のいずれか一項に記載の組み合わせまたはその使用。
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JP2022533702A (ja) | 2019-05-20 | 2022-07-25 | パンディオン・オペレーションズ・インコーポレイテッド | MAdCAM標的化免疫寛容 |
WO2020249757A1 (en) | 2019-06-14 | 2020-12-17 | Philogen S.P.A | Immunoconjugates comprising a single chain diabody and interleukin-15 or interleukin-15 and a sushi domain of interleukin-15 receptor alpha |
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EP3414260B1 (en) | 2019-10-09 |
DK3414260T3 (da) | 2019-10-21 |
AU2017249694B2 (en) | 2019-10-03 |
JP6732041B2 (ja) | 2020-07-29 |
WO2017178562A1 (en) | 2017-10-19 |
ES2764805T3 (es) | 2020-06-04 |
AU2017249694A1 (en) | 2018-11-01 |
CA3044556A1 (en) | 2018-10-19 |
US20190125840A1 (en) | 2019-05-02 |
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