catalyst calendar
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IONS biotech catalysts & pipeline

IONIS PHARMACEUTICALS INC · Data as of 2026-10-25

Upcoming catalysts

TRYNGOLZA (olezarsen) — Regulatory decision

Q4 2026

sNDA submission on track for the end of 2025 with approval anticipated in the fourth quarter of 2026
Source filing

ZANVASTRO (zilganersen) — NDA/BLA submission

2027

Ionis is working closely with Recordati on preparing regulatory submissions in Europe and Japan, which are expected in 2027.
Source filing

obudanersen — Clinical data readout

H2 2027

Obudanersen, a potential treatment for Angelman syndrome, completed enrollment in the Phase 3 REVEAL study, with data anticipated in the second half of 2027
Source filing

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