Zigakibart (BION-1301) is an IgG4-kappa, anti-TNFSF13 (tumor necrosis factor (TNF) superfamily member 13, APRIL, CD256) humanized monoclonal antibody. Zigakibart shows anti-inflammatory activity[1].
[1] International Nonproprietary Names for Pharmaceutical Substances (INN). WHO Drug Information, Vol. 36, No. 2, 2022.