IONS FDA calendar & decision history Ionis · 2 upcoming · 4 past FDA decisions
Upcoming FDA catalysts IONS · Sep 22, 2026 Zilganersen (ION373) — Alexander disease IONS · Oct 26, 2026 FDA decision FDA decision history (4) Jun 24, 2026✓ Approved TRYNGOLZA (olezarsen) - (CORE) Mar 30, 2026✓ Approved SPINRAZA (Nusinersen) - (DEVOT Sep 23, 2025✕ CRL FDA decision Aug 21, 2025✓ Approved FDA decision See the full 2026 PDUFA calendar → This page aggregates IONS's FDA catalysts from pdufa.bio's own calendar and decision archive. Each item links to its source page. Facts and dates only; verify against primary FDA / SEC / company filings.
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