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. 2023 Jul 13;14:1196970. doi: 10.3389/fimmu.2023.1196970

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Copyright © 2023 Li, Wang, Niu, Wang, Zhou, Wu and Yi

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

PMC Copyright notice

The details of approved PD-1/PD-L1 blockades in the United States of America, European Union, People’s Republic of China, and Russian Federation. Triangle symbol indicates that the corresponding indication of the drug has been approved by the United States Food and Drug Administration (FDA); Stellated symbol indicates that the corresponding indication of the drug has been approved by the National Medical Products Administration (NMPA) of People’s Republic of China. Similarly, other symbols represent drug approvals by corresponding regulatory agencies in European Union and Russian Federation. The abscissa represents the time of the approval. The color of the icon represents the approved indication.