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In recent years, tumor immunotherapy (Immunology Oncology Therapy, IO) has become one of the important methods for the treatment of malignant tumors
.
Tumor immunotherapy does not directly attack cancer cells, but fights tumors by activating the body's own immune system, which has good safety and tolerance
PD-1/L1 antibody drugs, as a representative drug for tumor immunotherapy, have achieved great success in the treatment of malignant tumors
Since 2014, the world’s first PD-1 inhibitor, Opdivo, has been published.
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