Efprezimod Alfa (CD24Fc, MK-7110) as a Non-antiviral Immunomodulator in COVID-19 Treatment (MK-7110-007)

Summary

This study evaluates the efficacy and safety of efprezimod alfa in hospitalized adult participants who are diagnosed with coronavirus disease 2019 (COVID-19) and receiving oxygen support. The primary hypothesis of the study is clinical improvement in the experimental group versus the control group.

Timeline

Start

2020-04-24

Primary completion

2020-10-20

Completion

2020-10-20

Outcome

Met primary endpoint

registry analysis (other test); CD24Fc vs Placebo; p = 0.0367; Hazard Ratio (HR) 1.398 (95% CI 1.020 to 1.918); Log Rank NCT04317040 ↗

Publications

• Background Chen GY, Brown NK, Zheng P, Liu Y. Siglec-G/10 in self-nonself discrimination of innate and adaptive immunity. Glycobiology. 2014 Sep;24(9):800-6. doi: 10.1093/glycob/cwu068. Epub 2014 Jul 4.
• Background Liu Y, Chen GY, Zheng P. Sialoside-based pattern recognitions discriminating infections from tissue injuries. Curr Opin Immunol. 2011 Feb;23(1):41-5. doi: 10.1016/j.coi.2010.10.004. Epub 2011 Jan 3.
• Background Chen GY, Chen X, King S, Cavassani KA, Cheng J, Zheng X, Cao H, Yu H, Qu J, Fang D, Wu W, Bai XF, Liu JQ, Woodiga SA, Chen C, Sun L, Hogaboam CM, Kunkel SL, Zheng P, Liu Y. Amelioration of sepsis by inhibiting sialidase-mediated disruption of the CD24-SiglecG interaction. Nat Biotechnol. 2011 May;29(5):428-35. doi: 10.1038/nbt.1846. Epub 2011 Apr 10.
• Background Chen GY, Tang J, Zheng P, Liu Y. CD24 and Siglec-10 selectively repress tissue damage-induced immune responses. Science. 2009 Mar 27;323(5922):1722-5. doi: 10.1126/science.1168988. Epub 2009 Mar 5.
• Background Tian RR, Zhang MX, Zhang LT, Zhang P, Ma JP, Liu M, Devenport M, Zheng P, Zhang XL, Lian XD, Ye M, Zheng HY, Pang W, Zhang GH, Zhang LG, Liu Y, Zheng YT. CD24 and Fc fusion protein protects SIVmac239-infected Chinese rhesus macaque against progression to AIDS. Antiviral Res. 2018 Sep;157:9-17. doi: 10.1016/j.antiviral.2018.07.004. Epub 2018 Jul 3.
• Background Tian RR, Zhang MX, Liu M, Fang X, Li D, Zhang L, Zheng P, Zheng YT, Liu Y. CD24Fc protects against viral pneumonia in simian immunodeficiency virus-infected Chinese rhesus monkeys. Cell Mol Immunol. 2020 Aug;17(8):887-888. doi: 10.1038/s41423-020-0452-5. Epub 2020 May 7. No abstract available.
• Welker J, Pulido JD, Catanzaro AT, Malvestutto CD, Li Z, Cohen JB, Whitman ED, Byrne D, Giddings OK, Lake JE, Chua JV, Li E, Chen J, Zhou X, He K, Gates D, Kaur A, Chen J, Chou HY, Devenport M, Touomou R, Kottilil S, Liu Y, Zheng P; SAC-COVID Study Team. Efficacy and safety of CD24Fc in hospitalised patients with COVID-19: a randomised, double-blind, placebo-controlled, phase 3 study. Lancet Infect Dis. 2022 May;22(5):611-621. doi: 10.1016/S1473-3099(22)00058-5. Epub 2022 Mar 11.
• Song NJ, Allen C, Vilgelm AE, Riesenberg BP, Weller KP, Reynolds K, Chakravarthy KB, Kumar A, Khatiwada A, Sun Z, Ma A, Chang Y, Yusuf M, Li A, Zeng C, Evans JP, Bucci D, Gunasena M, Xu M, Liyanage NPM, Bolyard C, Velegraki M, Liu SL, Ma Q, Devenport M, Liu Y, Zheng P, Malvestutto CD, Chung D, Li Z. Treatment with soluble CD24 attenuates COVID-19-associated systemic immunopathology. J Hematol Oncol. 2022 Jan 10;15(1):5. doi: 10.1186/s13045-021-01222-y.

Drugs

Indications