JP7321465B2 - 枯渇性抗cd4モノクローナル抗体を含む抗癌t細胞治療剤補助用組成物及びその用途 - Google Patents
枯渇性抗cd4モノクローナル抗体を含む抗癌t細胞治療剤補助用組成物及びその用途 Download PDFInfo
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Description
ii)癌抗原特異的CD8 T細胞及びIL-2を投与するステップ;及び
iii)持続的免疫欠乏を誘導するステップ;
を含む癌予防又は治療方法を提供することを目的とする。
ii)前記一時的免疫欠乏が誘導された癌患者に枯渇性抗CD4モノクローナル抗体(depleting anti-CD4 monoclonal antibody)を投与するステップ;
を含む免疫欠乏持続方法を提供することである。
ii)癌抗原特異的CD8 T細胞及びIL-2を投与するステップ;及び
iii)持続的免疫欠乏を誘導するステップ;
を含む癌予防又は治療方法を提供することができる。
ii)前記一時的免疫欠乏が誘導された癌患者に枯渇性抗CD4モノクローナル抗体(depleting anti-CD4 monoclonal antibody)を投与するステップ;
を含む免疫欠乏持続方法を提供することができる。
ii)癌抗原特異的CD8 T細胞及びIL-2を投与するステップ;及び
iii)持続的免疫欠乏を誘導するステップ;
を含む癌予防又は治療方法を提供する。
ii)前記一時的免疫欠乏が誘導された癌患者に枯渇性抗CD4モノクローナル抗体(depleting anti-CD4 monoclonal antibody)を投与するステップ;
を含む免疫欠乏持続方法を提供する。
CD8 T細胞単独の抗癌効果の確認
抗癌効果がある他の兔疫細胞を除いて癌抗原特異的CD8 T細胞単独の抗癌効果を評価しようとした。
CD8 T細胞の抗癌効果の確認及び一時的免疫欠乏誘導剤の添加濃度の決定
前記実施例1でaPmel-1単独では癌細胞を完全に除去できないことを確認したので、これを克服するためにはT細胞など他の兔疫細胞の活性が必要であると予想した。したがって、正常的な免疫体系で癌抗原特異的CD8 T細胞の抗癌効果の確認とともに一時的免疫欠乏誘導剤の添加濃度を決定しようとした。
CD4枯渇(depletion)がPmel-1 CD8 T細胞の抗癌効果に及ぼす影響
枯渇性抗CD4モノクローナル抗体(depleting anti-CD4monoclonal antibody)を用いて持続的に部分的な免疫欠乏を誘導する場合、癌抗原特異的CD8 T細胞の抗癌効果に影響を及ぼすか否かを確認しようとした。これと共に、投与したThy1.1+Pmel-1 CD8+T細胞数及び癌患者固有のCD8 T細胞数に変化が発生したか否かを確認しようとした。
Claims (3)
- 癌抗原特異的CD8 T細胞とIL-2と併用投与され、一時的免疫欠乏を誘導するための抗癌剤としてのシクロホスファミドと枯渇性抗CD4モノクローナル抗体(depleting anti-CD4 monoclonal antibody)とを含み、
前記枯渇性抗CD4モノクローナル抗体は、8日間隔で2回以上投与され、10日以上の免疫欠乏持続期間を維持することを特徴とする、抗癌T細胞治療のための免疫欠乏持続用組成物。 - 癌抗原特異的CD8 T細胞とIL-2と併用投与され、一時的免疫欠乏を誘導するための抗癌剤としてのシクロホスファミドと枯渇性抗CD4モノクローナル抗体(depleting anti-CD4 monoclonal antibody)とを含み、
前記枯渇性抗CD4モノクローナル抗体は、8日間隔で2回以上投与され、10日以上の免疫欠乏持続期間を維持することを特徴とする、抗癌T細胞治療剤補助用組成物。 - 前記癌は、肺癌、胃癌、乳癌、大腸癌、肝臓癌、前立腺癌、子宮癌、脳癌及び肉腫からなる群より選択されたいずれか一つであることを特徴とする、請求項2に記載の抗癌T細胞治療剤補助用組成物。
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PCT/KR2019/004349 WO2019203497A1 (ko) | 2018-04-17 | 2019-04-11 | 고갈성 항 cd4 단일클론항체를 포함하는 항암 t 세포치료제 보조용 조성물 및 이의 용도 |
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