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Prescription medicine

Eteplirsen Brand names: Exondys

Eteplirsen (Exondys) is a prescription medicine with an FDA approval on record since 2016. No generic is listed in FDA's NDC Directory.

  • No generic listed

Check it at the source: the eteplirsen FDA label on DailyMed (effective August 13, 2025, Sarepta Therapeutics, Inc.); the NDA 206488 record on Drugs@FDA; every eteplirsen label on DailyMed.

Highlights of the record

FDA label of August 13, 2025; NDC Directory, Drugs@FDA and Orange Book, October 8, 2026

Used for

From the label: indications and usage

EXONDYS 51 is indicated for the treatment of Duchenne muscular dystrophy (DMD) in patients who have a confirmed mutation of the DMD gene that is amenable to exon 51 skipping.

Forms and strengths

  • 50 mg/ml

Injection.

On the market

Earliest approval on file
September 19, 2016 Exondys 51, Sarepta Theraps Inc; Drugs@FDA’s file, where older or withdrawn approvals can be missing
Generic approvals
No generic approved
Labelers listed (NDC)
1 of which 0 under generic applications, 1 under brand applications, repackagers included
Last listed patent
March 14, 2034 Exondys 51 injection; not a generic launch date

Supply and safety

Pharmacy cost (NADAC)
Not in the survey
Shortage (FDA)
No current entry
Recalls by its makers (FDA)
No recall recorded
FAERS reports
2,391 through July 30, 2026

What is eteplirsen used for?

From the label: indications and usage

EXONDYS 51 is indicated for the treatment of Duchenne muscular dystrophy (DMD) in patients who have a confirmed mutation of the DMD gene that is amenable to exon 51 skipping. This indication is approved under accelerated approval based on an increase in dystrophin in skeletal muscle observed in some patients treated with EXONDYS 51 [see Clinical Studies ( 14 )]. Continued approval for this indication may be contingent upon verification of a clinical benefit in confirmatory trials. EXONDYS 51 is an antisense oligonucleotide indicated for the treatment of Duchenne muscular dystrophy (DMD) in patients who have a confirmed mutation of the DMD gene that is amenable to exon 51 skipping. […]

FDA pharmacologic class: Antisense Oligonucleotide.

Source: FDA drug label (Exondys 51), Sarepta Therapeutics, Inc., effective August 13, 2025 (SPL set 33bff678-7829-479e-9110-b8e33a0bc0aa), via openFDA; the full label on DailyMed

Is there a generic for eteplirsen (Exondys)?

No generic eteplirsen is approved (Drugs@FDA, October 8, 2026).

The Orange Book lists 5 patents for Exondys 51 injection, the last expiring on March 14, 2034. A patent or exclusivity date is not the date a generic goes on sale: court cases and settlements move it either way.

  • 2016 earliest approval on file
  • 2034 last listed patent

Source: Drugs@FDA, FDA NDC Directory and the Orange Book (openFDA bulk files, October 8, 2026)

What do FAERS reports show for eteplirsen?

The FDA Adverse Event Reporting System holds 2,391 reports that list eteplirsen among the medicines taken, through July 30, 2026, each a report of something that happened, not proof the medicine caused it; 66 are coded as a death and 343 as a hospital stay. Counts follow how widely a medicine is used and watched, and they are not a measure of how risky it is.

Reports received each year

The most reported reactions

  • Product Dose Omission Issue (a use or a product term, not a reaction)696
  • No Adverse Event (a use or a product term, not a reaction)550
  • Intentional Dose Omission (a use or a product term, not a reaction)279
  • Poor Venous Access187
  • Device Issue182
  • Pyrexia (named in the label)108
  • Covid-1987
  • Malaise (named in the label)74

Side effects: the label's list and every FAERS reaction

Source: FDA Adverse Event Reporting System (FAERS) via openFDA, reports through July 30, 2026

What next?

Other antisense oligonucleotides
the pharmacologic class, with prices and generics
Eteplirsen side effects
the label's list beside FAERS reports
Check an interaction
what two or more labels say about each other