Biotech Tracker
MilestoneJun 22, 2026127 days ago

FDA accepts cemdisiran NDA under Priority Review in gMG; PDUFA Nov 2026

FDA accepts cemdisiran NDA under Priority Review in gMG; PDUFA Nov 2026, on Jun 22, 2026. A company milestone for Regeneron (Cemdisiran for Generalized myasthenia gravis (anti-AChR antibody positive)): a step in the program rather than a decision or a data readout.

Plain-English summary generated from this entry’s own fields (drug, condition, stage, date). Glossary

DetailsCompany milestone
Company
Regeneron Pharmaceuticals, Inc. REGN
Drug
Cemdisiran
For
Generalized myasthenia gravis (anti-AChR antibody positive)
Stage
Phase 3 · the last stage before a drug can be approved
When
Jun 22, 2026
Source note
FDA accepted the cemdisiran NDA under Priority Review with a November 2026 target action date, and EMA accepted the EU application, both supported by the Phase 3 NIMBLE trial in anti-AChR antibody-positive generalized myasthenia gravis.
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Regeneron Pharmaceuticals, Inc.
2 upcoming · 5 past catalysts
More from REGN
FDA decisionREGNRegeneronNov 2026

The FDA is expected to decide in Nov 2026 (no exact date yet) whether to approve Regeneron’s cemdisiran (C5 siRNA) for Generalized myasthenia gravis (anti-AChR antibody-positive). Approval clears it for sale in the US; a rejection usually arrives as a letter listing what has to be fixed first.

More details
Entry
PDUFA target action date for cemdisiran in generalized myasthenia gravis · FDA decision due (PDUFA date)
Drug
cemdisiran (C5 siRNA)
For
Generalized myasthenia gravis (anti-AChR antibody-positive)
Stage
Phase 3 · the last stage before a drug can be approved
When
Nov 2026 · the company gave a window, not a day
Source note
FDA accepted the NDA under Priority Review (priority review voucher used) with a target action date in November 2026; announced June 22, 2026. Would be the first siRNA approved in gMG, dosed subcutaneously every 12 weeks.
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Plain-English summary generated from this entry’s own fields (drug, condition, stage, date). Glossary · Open this catalyst’s page