Drug intelligence / Profile preview

efdelikofusp alfa

Development stage
Unknown
Lead developer
GI Innovation
Modality
Cytokines & Interferons → Recombinant Proteins and Enzymes, Fc-Fusion Proteins → Carrier/Scaffold Proteins → Recombinant Proteins and Enzymes
Administration
Intravenous
01

Overview

Efdelikofusp alfa (GI-101A) is a novel bispecific immunocytokine designed to enhance anti-tumor immunity by simultaneously targeting the CTLA-4 and IL-2 pathways. It consists of the extracellular domain of human CD80 fused to an engineered interleukin-2 variant (IL-2v2) via an IgG4 Fc linker. The CD80 component acts as a checkpoint inhibitor by binding to CTLA-4 on T cells, thereby blocking immune suppression, and also binds to CD28 to provide co-stimulatory signals. The IL-2v2 component is engineered to have reduced affinity for the high-affinity IL-2 receptor alpha (CD25), which preferentially activates and expands CD8+ T cells and natural killer (NK) cells over immunosuppressive regulatory T cells (Tregs). Developed by GI Innovation, efdelikofusp alfa is being evaluated in clinical trials for the treatment of advanced solid tumors, both as a monotherapy and in combination with other immunotherapies like pembrolizumab.

Other names
CD80-IgG4 Fc-IL2v2CD-80-IgG4 Fc-IL2v2CD 80-IgG4 Fc-IL2v2
02

Targets

IL2RG (Interleukin-2 receptor gamma subunit)CD80 (T-lymphocyte activation antigen CD80)IL2RB (IL-2 receptor beta chain)

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