Regeneron plans to re-apply to the FDA with a new pre-filled syringe manufacturing filler in January 2026.
The US Food and Drug Administration (FDA) rejected a prefilled syringe version of Regeneron's Eylea HD due to manufacturing issues.
The FDA uncovered problems during an inspection of Novo Nordisk's filling plant, reported by Regeneron in August 2025.
Author's summary: FDA rejects Eylea HD due to manufacturing issues.