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Posted On: 12/23/2020 10:29:49 AM
Post# of 154090
Any comments on the MOA here...ohm?
"CD24Fc is a biological immunomodulator in Phase II/III clinical trial stage. CD24Fc comprises the nonpolymorphic regions of CD24 attached to the Fc region of human IgG1. We have shown that CD24 is an innate checkpoint against the inflammatory response to tissue injuries or danger-associated molecular patterns (DAMPs). Preclinical and clinical studies have demonstrated that CD24Fc effectively address the major challenges associated with COVID-19. First, a Phase I clinical trial on healthy volunteers not only demonstrated safety of CD24Fc, but also demonstrated its biological activity in suppressing expression of multiple inflammatory cytokines. Second, in Phase II clinical trial in leukemia patients undergoing hematopoietic stem cell transplantation (HCT), three doses of CD24Fc effectively eliminated severe (Grade 3-4) acute graft vs host diseases (GVHD), which is caused by over reacting immune system and transplanted T cells attacking recipient target tissues. Third, in preclinical models of HIV/SIV infections, we have shown that CD24Fc ameliorated production of multiple inflammatory cytokines, reversed the loss of T lymphocytes as well as functional T cell exhaustion and reduced the leukocyte infiltration of multiple organs. It is particularly noteworthy that CD24Fc reduced the rate of pneumonia in SIV-infected Chinese rhesus monkey from 83% to 33%. Therefore, CD24Fc maybe a prime candidate for non-antiviral biological modifier for COVID-19 therapy. The phase III trial will involve 270 patients randomized into blinded placebo and CD24Fc arms, with time to clinical improvement from critical or severe to mild symptom as the primary endpoint."
"CD24Fc is a biological immunomodulator in Phase II/III clinical trial stage. CD24Fc comprises the nonpolymorphic regions of CD24 attached to the Fc region of human IgG1. We have shown that CD24 is an innate checkpoint against the inflammatory response to tissue injuries or danger-associated molecular patterns (DAMPs). Preclinical and clinical studies have demonstrated that CD24Fc effectively address the major challenges associated with COVID-19. First, a Phase I clinical trial on healthy volunteers not only demonstrated safety of CD24Fc, but also demonstrated its biological activity in suppressing expression of multiple inflammatory cytokines. Second, in Phase II clinical trial in leukemia patients undergoing hematopoietic stem cell transplantation (HCT), three doses of CD24Fc effectively eliminated severe (Grade 3-4) acute graft vs host diseases (GVHD), which is caused by over reacting immune system and transplanted T cells attacking recipient target tissues. Third, in preclinical models of HIV/SIV infections, we have shown that CD24Fc ameliorated production of multiple inflammatory cytokines, reversed the loss of T lymphocytes as well as functional T cell exhaustion and reduced the leukocyte infiltration of multiple organs. It is particularly noteworthy that CD24Fc reduced the rate of pneumonia in SIV-infected Chinese rhesus monkey from 83% to 33%. Therefore, CD24Fc maybe a prime candidate for non-antiviral biological modifier for COVID-19 therapy. The phase III trial will involve 270 patients randomized into blinded placebo and CD24Fc arms, with time to clinical improvement from critical or severe to mild symptom as the primary endpoint."
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