Enzymes for Research, Diagnostic and Industrial Use


Cat No.
AVL-292 is a highly selective, orally active small-molecule inhibitor of Btk with IC50 value of 0.5 nM.
Product Overview
CC-292, formerly known as AVL-292, is an orally active, potent irreversible small molecule inhibitor of BTK with IC50 of 0.5 nM and EC50 of 8 nM. The B cell receptor (BCR) signaling pathway plays an important role in the fate and function of B cells by modulating cellular selection, maturation, proliferation, and production of antibody. BTK, which is a tyrosine kinase member of the Tec kinase family, is a unique therapeutic target among kinases in the pathway BCR signaling. Studies showed that loss of gene function mutations of BTK in humans consequently leads to X-linked agammaglobulinaemia (XLA), characterized by a complete lack of B cells, low concentrations of serum Ig, and recurring infections, which implies that BTK is required in the development and immunoglobulin production of B cells. CC-292 inhibits BTK by the formation of a covalent bond with Cys481 residue. The inhibitory activity of CC-292 has been examined in immunoblot analysis, which showed that CC-292 potently inhibits auto-phosphorylation in human naive primary B cells. Furthermore, CD69 upregulation tested by flow cytometry tracking also exhibited a dose-dependent reduction in CD69 expression with increasing levels of CC-292 in vitro. Covalent probe analysis of human B cells coupled with enzyme linked immunosorbent assay (ELISA) quantification methods illustrated 42% BTK occupancy in a 1h incubation with CC-292 of 10 nM. Studies in vivo for CC-292 has been conducted. CIA model in mice was orally treated with CC-292, which demonstrated a positive correlation between BTK occupancy and inhibition of the disease. In addition, CC-292 was assessed with clinical trials, which showed a T1/2 of 1.9h and suggested efficacy in B-NHL, WM, and CLL patients.
Molecular Weight
Store at -20°C
AVL292; AVL 292
0.5 nM
Molecular Formula
Chemical Name
Soluble in DMSO > 10 mM
Shipping Conditions
Evaluation sample solution: ship with blue ice. All other available size: ship with RT, or blue ice upon request
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