ZB021 — IND submission
2026
Zenas expects to submit an IND and initiate Phase 1 clinical development in 2026.Source filing
catalyst calendar
ZENAS BIOPHARMA INC · Data as of 2026-10-25
2026
Zenas expects to submit an IND and initiate Phase 1 clinical development in 2026.Source filing
2026
Zenas expects to submit an IND and initiate Phase 1 clinical development in 2026.Source filing
H2 2026
Zenas expects to submit a Marketing Authorization Application (MAA) to the European Medicines Agency (EMA) in the second half of 2026.Source filing
by year-end
ZB021 (oral IL-17AA/AF inhibitor) dosing ongoing in Phase 1 trial; initial clinical data expected by year-endSource filing
4Q 2026
Phase 2 SunStone trial in Systemic Lupus Erythematosus (SLE) topline results expected in 4Q 2026.Source filing
May 27
Obexelimab BLA submission for the treatment of IgG4-RD accepted by FDA; PDUFA target action date of May 27, 2027Source filing