Stable formulation for recombinant Anti-PD-1 monoclonal antibody
A stable formulation for recombinant anti-PD-1 monoclonal antibodies, including a buffer, osmolarity regulator, stabilizer, and surfactant, addresses storage and transport instability, maintaining antibody stability and therapeutic efficacy for extended periods.
Patent Information
- Authority / Receiving Office
- CA · CA
- Patent Type
- Patents
- Current Assignee / Owner
- SINO CELL TECH INC
- Filing Date
- 2021-06-17
- Publication Date
- 2026-07-07
AI Technical Summary
Existing formulations of recombinant anti-PD-1 monoclonal antibodies suffer from instability during storage and transport, leading to reduced potency and increased immunogenicity, which compromises their therapeutic efficacy.
A stable formulation comprising a recombinant anti-PD-1 monoclonal antibody, a buffer, an osmolarity regulator, a stabilizer, and a surfactant, with specific concentration ranges and pH conditions, ensuring physical and chemical stability and biological activity.
The formulation maintains the antibody's stability and therapeutic activity for at least 42 months at 2-8°C and 12 months at 25°C, ensuring its effectiveness upon administration.