AUTHOR=Zhou Hui-Sheng , Su Yong-Feng , Wang Jun , Hu Ya-Lei , Wang An , Xu Lei , Wang Yi-Zhi , Zheng Xuan , Li Yu-Qing , Min Kai-Li , Gao Chun-Ji , Liu Dai-Hong , Gao Xiao-Ning TITLE=Updates from a single-center phase 2 study of PD-1 inhibitor combined with hypomethylating agent plus CAG regimen in patients with relapsed/refractory acute myeloid leukemia JOURNAL=Frontiers in Immunology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1533467 DOI=10.3389/fimmu.2025.1533467 ISSN=1664-3224