Data updated: Sep 20, 2026
ZANVASTRO (zilganersen sodium) · IONIS PHARMS INC
Approved 2026-09-03
1
Indication
--
Phase 3 Trials
1
Priority Reviews
0
Years on Market
Details
- Status
- Prescription
- First Approved
- 2026-09-03
- PDUFA Date
- September 22, 2026 (2d)
- Routes
- INTRATHECAL
- Dosage Forms
- SOLUTION
ZANVASTRO Approval History
Original
New Indication
New Form
Label Update
1 FDA actions from 2026 to 2026
What ZANVASTRO Treats
1 FDA approvalsOriginally approved for its first indication in 2026 .
- Other (1)
IONIS PHARMS INC's other novel FDA approvals
Other CDER-designated drugs from the same sponsor (2016–2025).
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Trial Timeline
Full development history with FDA approval milestones
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Understanding FDA Approval Types
| Count | Type | What it means |
|---|---|---|
| - | ORIG | Original approval - drug first enters market |
| - | SUPPL - Efficacy | New indication (new disease/condition approved) |
| - | SUPPL - Labeling | Label text changes (warnings, dosing updates) |
| - | SUPPL - Manufacturing | Production changes (new facility) |
| - | SUPPL - Chemistry | Formulation changes (new dosage strength) |
Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.
ZANVASTRO FDA Label Details
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Data Sources
Data sourced from official FDA and NIH databases. Click links to verify on original sources.