Scientists at Jiangsu Hengrui Medicine Co. Ltd. and Shanghai Hengrui Pharmaceutical Co. Ltd. have disclosed poly(ADP-ribose) polymerase 1 (PARP-1; ARTD1) inhibitors reported to be useful for the treatment of cancer.

Idorsia Pharmaceuticals Ltd. has reported the discovery of novel galectin-3 (Gal-3) inhibitors for the potential treatment of fibrotic and inflammatory diseases. Galactins are a family of glycan-binding proteins associated with various biological processes, including apoptosis, inflammation, fibrosis, angiogenesis, immunomodulation or tumor proliferation.

Merck & Co. has revealed the discovery of novel oral SARS-CoV-2 3C-like proteinase (3CLpro; Mpro) inhibitors for the potential treatment and/or prophylaxis of COVID-19. 3CLpro plays a key role in viral life cycle by cleaving viral protein and helps in replication and infection, which make 3CLpro a target for designing drugs to treat COVID-19.