Suzhou Ark Biopharmaceutical Co. Ltd. has synthesized 3C-like proteinase (3CLpro; Mpro; nsp5) (SARS-CoV-2; COVID-19 virus) inhibitors reported to be useful for the treatment of SARS-CoV-2 infection (COVID-19).
Shanghai Curegene Pharmaceutical Co. Ltd. has synthesized macrocyclic compounds acting as 3C-like proteinase (3CLpro; Mpro; nsp5) (SARS-CoV-2; COVID-19 virus) inhibitors reported to be useful for the treatment of SARS-CoV-2 infection (COVID-19).
Research at Pharmablock Sciences (Nanjing) Inc. has led to the development of spirooxindole compounds acting as 3C-like proteinase (3CLpro; Mpro; nsp5) (SARS-CoV-2; COVID-19 virus) inhibitors and thus reported to be useful for the treatment of viral infections.
Enanta Pharmaceuticals Inc. has synthesized spirocyclic compounds acting as 3C-like proteinase (3CLpro; Mpro; nsp5) (SARS-CoV-2; COVID-19 virus) inhibitors reported to be useful for the treatment of coronavirus acute respiratory syndrome.
The Institute for Drug Research has patented pyrrolidine antiviral compounds acting as 3C-like proteinase (3CLpro; Mpro; nsp5) (SARS-CoV-2; COVID-19 virus) inhibitors.
Insilico Medicine IP Ltd. has synthesized 3C-like proteinase (3CLpro; Mpro; nsp5) (SARS-CoV-2; COVID-19 virus) inhibitors reported to be useful for the treatment of SARS-CoV-2 infection (COVID-19).
Global Health Drug Discovery Institute (GHDDI) has presented 3C-like proteinase (3CLpro) (SARS-CoV-2) inhibitors reported to be useful for the treatment of Middle East respiratory syndrome coronavirus (MERS-CoV), severe acute respiratory syndrome coronavirus (SARS-CoV) and SARS-CoV-2 infections (COVID-19).
Insilico Medicine Inc. has received IND clearance from China's National Medical Products Administration (NMPA) for ISM-3312, an orally available 3CLpro inhibitor for the treatment of COVID-19. ISM-3312 has a novel molecular structure and was optimized from compounds designed by Chemistry42, Insilico’s generative chemistry AI platform.
After gaining emergency regulatory approval in Japan for its oral COVID-19 antiviral, 3CL protease inhibitor Xocova (ensitrelvir/S-217622), Shionogi & Co. Ltd. is advancing several global phase III trials across a wide range of COVID-19 patient populations. Branded as Xocova in Japan, ensitrelvir received emergency regulatory approval from Japan’s Ministry of Health, Labour and Welfare in late November 2022 for SARS-CoV-2 infection based on the results from phase II/III trials in non-hospitalized patients in Asia.
