CN Patent

CN116212044A — 抗人Trop2抗体-喜树碱类药物偶联物及其医药用途

Assigned to Chengdu Bailidote Biological Pharmaceutical Co ltd · Expires 2023-06-06 · 3y expired

What this patent protects

将靶向于人Trop2的抗体与喜树碱类药物进行偶联,形成质量稳定、均一性优良的抗体‑毒素偶联物,其毒素比抗体比例(DAR)为6.0‑8.0。此抗体‑毒素偶联物具有通式Ⅰ所示的结构,其中Ab指的是靶向Trop2的抗体,与连接子‑喜树碱类药物偶联。同时,本发明还披露了此ADC药物的制备、纯化方法,以及在肿瘤治疗的应用。本发明还涉及可与Ab偶联形成抗体‑毒素偶联物的连接子‑药物化合物。

USPTO Abstract

将靶向于人Trop2的抗体与喜树碱类药物进行偶联,形成质量稳定、均一性优良的抗体‑毒素偶联物,其毒素比抗体比例(DAR)为6.0‑8.0。此抗体‑毒素偶联物具有通式Ⅰ所示的结构,其中Ab指的是靶向Trop2的抗体,与连接子‑喜树碱类药物偶联。同时,本发明还披露了此ADC药物的制备、纯化方法,以及在肿瘤治疗的应用。本发明还涉及可与Ab偶联形成抗体‑毒素偶联物的连接子‑药物化合物。

Drugs covered by this patent

Patent Metadata

Patent number
CN116212044A
Jurisdiction
CN
Classification
Expires
2023-06-06
Drug substance claim
No
Drug product claim
No
Assignee
Chengdu Bailidote Biological Pharmaceutical Co ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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