Non-exhaustive list of disclosed C3 targeting therapeutics

Drug nameCompanyModalityHighest clinical stage achievedTarget indications
Pegcetacoplan (APL-2, POT-4)ApellisPEGylated cyclic peptideMarketedGA: marketed, PNH: marketed, C3G: phase 3
AMY-101AmyndasCyclic peptidePhase 2Periodontitis: phase 2, COVID-19: phase 2 ongoing, C3G: phase 2 planned, PNH: phase 2 planned, kidney transplantation: phase 2 planned
ARO-C3ArrowheadsiRNAPhase 1G3G: phase 1/2, IgAN: phase 1/2, development stopped?
ALXN2030Alexion/AstraZeneca/Novo NordisksiRNAPhase 1Chronic active AMR: phase 1
APL-3007ApellisGalNAc conjugated siRNAPhase 1Healthy volunteers: phase 1
CB2782Catalyst BiosciencesPEGylated C3-proteasePreclinicalGA: planned, development stopped?
ALN-CC3AlnylamGalNAc conjugated siRNAPreclinical Development stopped?
SLN-501Silence/Mallinckrodt GalNAc conjugated siRNAPreclinicalNot disclosed
CB-101/501/601/801Cascade BiotechNot disclosedPreclinicalNot disclosed
STP146GSirnaomicsGalNAc conjugated siRNAPreclinicalNot disclosed
KNP-301Kanaph/Samsung BiologicsBi-specific C3b and VEGF mAbPreclinicalRetinal disease
KNP-302KanaphBi-specific C3b and CD59 mAbPreclinicalNot disclosed

GalNAc: N-acetylgalactosamine; aHUS: atypical haemolytic uremic syndrome; AMR: antibody-mediated rejection; C3G: C3  glomerulopathy; COVID-19: coronavirus disease 2019; IgAN: IgA nephropathy; mAb: monoclonal antibody; PNH: paroxysmal nocturnal haemoglobinuria; siRNA: silencing ribonucleic acid; GA: geographic atrophy; VEGF: vascular endothelial growth factor