PD-1 antibody, antigen-binding fragment thereof, and medical application thereof

摘要

The present invention provides a human PD-1 antibody, an antigen-binding fragment thereof, and a medical application thereof, and further provides a chimeric antibody comprising a complementarity-determining region (CDR) of the antibody, a humanized antibody, a pharmaceutical composition comprising the human PD-1 antibody and the antigen-binding fragment thereof, and a purpose of the antibody in preparing medicine for treating diseases or symptoms.