IMMUNOSTIMULATORY LIPOPLEX, PHARMACEUTICAL COMPOSITION CONTAINING IMMUNOSTIMULATORY LIPOPLEX, AND USE THEREOF

To provide delivery vehicles that enable the improvement of therapeutic effects of immune checkpoint inhibitors (for example, improvement of treatment response rate, tissue drug exposure, and the like) or increased available indications.SOLUTION: Provided is an immunostimulatory lipoplex containing...

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Hauptverfasser: SHE MENG-PING, CHEN SHIH-TA, FELICE CHENG, LI JHENG-SIAN, WU MING-HSI, CHANG LI-WEN, WANG HSIANGING, YU NENGANG, LIU CHIH-PENG, TU CHIA-MU
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide delivery vehicles that enable the improvement of therapeutic effects of immune checkpoint inhibitors (for example, improvement of treatment response rate, tissue drug exposure, and the like) or increased available indications.SOLUTION: Provided is an immunostimulatory lipoplex containing liposomes and at least one immunostimulatory nucleic acid drug, the immunostimulatory nucleic acid drug and liposome being complexed, and the liposomes containing 40 to 85 mol% of cationic lipid, 10 to 50 mol% of cholesterol, and 0.001 to 20 mol% of modified polyethylene glycol lipid. The present disclosure also provides a pharmaceutical composition containing the immunostimulatory lipoplex.SELECTED DRAWING: Figure 5 【課題】免疫チェックポイント阻害剤の治療効果の改善(例えば、治療奏効率、組織の薬剤暴露量等の向上等)またはその使用できる適応症の増加を可能とする送達ビヒクルを提供する。【解決手段】リポソームおよび少なくとも1つの免疫刺激核酸医薬を含む免疫刺激性リポプレックスであって、免疫刺激核酸医薬とリポソームとが複合化しており、リポソームが、40から85モル%のカチオン性脂質、10から50モル%のコレステロール、および0.001から20モル%の修飾ポリエチレングリコール脂質を含む、免疫刺激性リポプレックスを提供する。本開示はまた、前記免疫刺激性リポプレックスを含む医薬組成物も提供する。【選択図】図5