Background: Clinical use of TLR7/8 agonists is currently restricted to topical application of Imiquimod for treatment of superficial basal cell carcinoma since systemic administration is prevented due to dose-limiting toxicity. MBS8 showed significant anti-cancer activity in multiple in vivo solid tumor models when administered either as monotherapy or in combination with ICIs. MBS8 demonstrated a novel mode of action with neutrophils playing a central role as primary effector cells causing a rapid killing of tumors. Further, adaptive immune response was initiated including generation of tumor specific CD8+ cells and establishment of the immune memory.
over 2 years ago
PD(L)-1 Biomarker • IO biomarker
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CD8 (cluster of differentiation 8) • TLR7 (Toll Like Receptor 7)