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TIM3 blockade with hypomethylating therapy restores NK and cytotoxic CD4+ T cell activity in patients with AML or MDS

2025-11-19 hematology Title + abstract only
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Occasional complete responses to immune checkpoint inhibitor therapies suggest that acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS) are immune-sensitive when appropriately targeted. Here, we analyzed AML/MDS patients treated with anti-TIM3 sabatolimab and decitabine in a phase Ib clinical trial (NCT03066648) using single-cell RNA and T cell receptor (TCR) sequencing and functional co-culture assays. Unlike T cell restricted CTLA4 and PD1, TIM3 was broadly expressed across natural...

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