Abstract OT2-01-01: Phase 1 study of ST101, a first-in-class peptide antagonist of CCAAT/enhancer-binding protein β (C/EBPβ), in patients with advanced solid tumors, with a phase 2 expansion in patients with hormone receptor positive breast cancer (HR+ BC)
Abstract:Background: CCAAT/Enhancer Binding Protein Beta (C/EBPβ) is a transcription factor that is active during embryofetal development but held in an inactive state in most mature cells. C/EBPβ is upregulated or overactivated in multiple cancers, where it inversely correlates with disease prognosis. In breast cancer, C/EBPβ drives the expression of factors that promote tumor survival, proliferation and inhibit differentiation. ST101 is a cell-penetrating all D amino acid peptide antagonist of C/EBPβ. ST101 exposure … Show more
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