Federal Register
Issuance of Priority Review Voucher; Rare Pediatric Disease Product; ZANVASTRO (Zilganersen)- Facts included
- The Food and Drug Administration (FDA) is announcing the issuance of a priority review voucher to the sponsor of a rare pediatric disease product application.
- The Federal Food, Drug, and Cosmetic Act (FD&C Act) authorizes FDA to award priority review vouchers to sponsors of approved rare pediatric disease product applications that meet certain criteria.
- FDA has determined that ZANVASTRO (zilganersen), approved September 3, 2026, manufactured by Ionis Pharmaceuticals, Inc., meets the criteria for a priority review voucher.
- Sourcing
- High – the information comes directly from an official FDA announcement, which is a primary source for regulatory actions.
- Framing
- The text is purely factual reporting of an FDA announcement without editorial commentary or opinion.
- Omissions
- The notice does not explain the specific criteria that ZANVASTRO met to qualify for the voucher, nor does it describe the benefits or implications of receiving a priority review voucher for the sponsor or for future drug development.
- Rhetorical notes (3)
- Neutral language · Authority citation · Specific product identification