In cynomolgus monkeys, acute lung inflammation was induced by aldesleukin and non-α-IL-2, but not by STK-012. Exploratory biomarker assessments will include peripheral and tumor measures of immune cell populations and relevant gene/protein expression. Enrollment in STK-012 monotherapy dose escalation has been initiated.
STK-012 selectively induced memory T cell expansion, including CD28+ CD95+ CD8 T cells. In summary, STK-012 avoids IL-2 mediated toxicity and may enable the specific expansion of antigen activated memory T cells in cancer patients, leading to durable tumor response.
5 years ago
PD(L)-1 Biomarker • IO biomarker
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CD8 (cluster of differentiation 8) • CD22 (CD22 Molecule) • IL2 (Interleukin 2) • FAS (Fas cell surface death receptor) • FCGR2A (Fc fragment of IgG receptor IIa) • FCGR2B (Fc Fragment Of IgG Receptor IIb)