HS271 (15-150 mg/kg) displays robust in vivo antiinflammatory efficacy as evaluated in rat models of LPS induced TNFα production collageninduced arthritis.
HS271 exhibits a t1/2 of 3.3 h and Cmax of 2107 ng/mL.
HS271 is stable in liver microsome assays across other species, including rat, mouse, monkey, and human.
HS271 exhibits oral bioavailability of 67.3%, 58.2%, 14.4&% and 49% in mouse, rat, dog and monkey, respectively.
Animal Model: |
A rat model of collagen induced arthritis (CIA). |
Dosage: |
15, 50, 150 mg/kg. |
Administration: |
PO, once daily. |
Result: |
Led to a significant reduction in paw swelling as compared to vehicle control, with a minimum effective dose at 15 mg/kg QD. Notably, at 150 mg/kg QD, HS271 eliminated the paw swelling. |