ibalizumab   Click here for help

GtoPdb Ligand ID: 10208

Synonyms: Hu5A8 | ibalizumab-uiyk | TMB-355 | TMB355 | TNX-355 | Trogarzo®
Approved drug Immunopharmacology Ligand
ibalizumab is an approved drug (FDA (2018), EMA (2019))
Compound class: Antibody
Comment: Ibalizumab was originally reported as anti-CD4 monoclonal antibody 5A8 by Burkly et al. (1992 ) [1]. It is a non-immunosuppressive, humanised monoclonal antibody that acts as an HIV entry inhibitor [2,4]. Anti-HIV activity of TNX-355 (later to be assigned the INN ibalizumab) in patients was reported in 2004 [5].
Annotated peptide sequences for this antibody are available from its IMGT/mAb-DB record.
Bioactivity Comments
Burkly et al.'s original analysis of ibalizumab (therein named 5A8) binding to CD4 expressed on CHO cells gives an EC50 of ~1μg/ml [1].
Selectivity at other protein targets
Key to terms and symbols Click column headers to sort
Target Sp. Type Action Value Parameter Concentration range (M) Reference
CD4 Primary target of this compound Hs Antibody Binding - - - 1
[1]