Leveraging Innovation for Precision Medicine



Strong scientific and clinical rationale for novel small molecule PD-L1 inhibitor


  • PD1/PD-L1 pathway is a critical immune checkpoint in T-cell proliferation
  • In the tumor microenvironment, PD-1 and PD-L1 perform a vital role in tumor progression and survival by protecting tumors from immune surveillance
  • Targeting PD-1/PD-L1 pathway could reactivate cytotoxic T cells to work against cancer cells
  • Anti-PD1/PD-L1 mAbs increase overall survival compared to standard of care in different tumors
  • Autoimmune reactions caused by sustained activation of immune cells by mAb can potentially be overcome with a small molecule
  • Low patient compliance and high cost of mAb therapies can also be overcome with a small molecule


  • Potential use after initial mAb treatment as a lower-cost maintenance therapy
  • Flexibility to combine with other I/O and targeted therapies
  • Combination in non-oncology indications, e.g HBV where small molecule PD-1 oral modality is preferred over IV mAbs

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