AX-024, is >10,000-fold more potent than the AX-000 hit in terms of inhibition of TCR-triggered T cell proliferation. It is a cytokine release inhibitor which can strongly inhibit the production of interleukin-6 (IL-6), tumor necrosis factor-α (TNFα), interferon-γ (IFN-γ), IL-10 and IL-17A.