A small molecule that binds to cereblon (CRBN) and promotes degradation of Aiolos and Ikaros in DLBCL and T cells in vitro and in vivo; induces degradation of transcription factors Aiolos (IKZF3) and Ikaros (IKZF1) and does not affect CK1α protein levels; inhibits proliferation and induces apoptosis in a broad panel of DLBCL cell lines, and stimulates IL-2 production in primary T cells; reduces tumor growth in xenograft models established from ABC- and GCB-DLBCL cell lines,Blood Cancer Approved(In Vitro):Avadomide inhibits proliferation and induces apoptosis in ABC and GCB DLBCL. In DLBCL cell lines, Avadomide-induced degradation or short hairpin RNA-mediated knockdown of Aiolos and Ikaros correlates with increased transcription of IFN-stimulated genes independent of IFN-α, -β, and -γ production and/or secretion and results in apoptosis in both activated B-cell (ABC) and germinal center B-cell DLBCL.\n(In Vivo):Treatment of female CB-17 SCID mice with Avadomide (CC122) at 3 or 30 mg/kg once daily significantly decreased tumor growth in OCI-LY10 ABC-DLBCL (P = .028 and P < .001, respectively) and WSU-DLCL2 GCB-DLBCL derived xenograft models (P < .01) compared with the vehicle control. In a separate study, we assessed the ability of Avadomide (CC122) to promote degradation of Ikaros and Aiolos in vivo. In the 21-day efficacy study of WSU-DLCL2 xenograft transplanted mice, tumors were excised 1, 6, or 24 hours post final dosing. Aiolos and Ikaros expression was interrogated through immunohistochemistry (IHC) and was found to be decreased 64% and 30%, respectively, compared with vehicle within 1 hour of treatment, with a maximal reduction of 94% and 69%, respectively, observed at 6 hours. Aiolos and Ikaros levels partially recovered 24 hours postdosing with protein level within 20% and 34% of vehicle, respectively. The 24-hour postdose Aiolos and Ikaros expression represents the trough compound level following multiple doses of Avadomide (CC122). When the 1-hour time point is compared with the 24-hour postdose time point, there is a significant reduction in Aiolos but not Ikaros expression; however, at the 6-hour time point, both transcription factors are significantly different from the 24-hour time point. Taken together, these data reveal that Avadomide (CC122) inhibited DLBCL tumor growth in vivo and that this activity was associated with the degradation of Aiolos and Ikaros in both ABC- and GCB-DLBCL xenograft models.
Images & Validation
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Key Properties
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CAS Number
1015474-32-4
MW
286.2859
Purity
>98% (HPLC)
Formula
C14H14N4O3
SMILES
CC1=NC2=CC=CC(=C2C(=O)N1C3CCC(=O)NC3=O)N
Target
E3 Ubiquitin Ligase
Solubility
DMSO: ≥ 33 mg/mL
Bioactivity
−
In Vivo
Treatment of female CB-17 SCID mice with Avadomide (CC122) at 3 or 30 mg/kg once daily significantly decreased tumor growth in OCI-LY10 ABC-DLBCL (P =. 028 and P <. 001, respectively) and WSU-DLCL2 GCB-DLBCL derived xenograft models (P <. 01) compared with the vehicle control. In a separate study, we assessed the ability of Avadomide (CC122) to promote degradation of Ikaros and Aiolos In vivo. In the 21-day efficacy study of WSU-DLCL2 xenograft transplanted mice, tumors were excised 1, 6, or 24 hours post final dosing. Aiolos and Ikaros expression was interrogated through immunohistochemistry (IHC) and was found to be decreased 64% and 30%, respectively, compared with vehicle within 1 hour of treatment, with a maximal reduction of 94% and 69%, respectively, observed at 6 hours. Aiolos and Ikaros levels partially recovered 24 hours postdosing with protein level within 20% and 34% of vehicle, respectively. The 24-hour postdose Aiolos and Ikaros expression represents the trough compound level following multiple doses of Avadomide (CC122). When the 1-hour time point is compared with the 24-hour postdose time point, there is a significant reduction in Aiolos but not Ikaros expression; however, at the 6-hour time point, both transcription factors are significantly different from the 24-hour time point. Taken together, these data reveal that Avadomide (CC122) inhibited DLBCL tumor growth In vivo and that this activity was associated with the degradation of Aiolos and Ikaros in both ABC-and GCB-DLBCL xenograft models.
In Vitro
Avadomide inhibits proliferation and induces apoptosis in ABC and GCB DLBCL. In DLBCL cell lines, Avadomide-induced degradation or short hairpin RNA-mediated knockdown of Aiolos and Ikaros correlates with increased transcription of IFN-stimulated genes independent of IFN-α, -β, and -γ production and/or secretion and results in apoptosis in both activated B-cell (ABC) and germinal center B-cell DLBCL.
1 ml x 10 mM (in DMSO), 200 mg, 100 mg, 10 mg, 25 mg, 50 mg
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