After re-examining its initial opinion, the European Medicines Agency has confirmed its recommendation to refuse a change to the marketing authorisation for the medicine Translarna (ataluren). The change concerned an extension of indication to add the treatment of patients with Duchenne muscular dystrophy who are no longer able to walk.

The Agency issued its opinion on 17 October 2019, after concluding the re-examination. It had issued its initial opinion on 27 June 2019.

The company that had applied for the change to Translarna’s authorisation is PTC Therapeutics International Limited.

Key facts

Agency product number
International non-proprietary name (INN) or common name
  • ataluren
Active substance
  • Ataluren
Therapeutic area
Muscular Dystrophy, Duchenne
Additional monitoring

This medicine is under additional monitoring, meaning that it is monitored even more intensively than other medicines. For more information, see Medicines under additional monitoring.

Conditional approval

This medicine received a conditional marketing authorisation. This was granted in the interest of public health because the medicine addresses an unmet medical need and the benefit of immediate availability outweighs the risk from less comprehensive data than normally required. For more information, see Conditional marketing authorisation.


This medicine was designated an orphan medicine. This means that it was developed for use against a rare, life-threatening or chronically debilitating condition or, for economic reasons, it would be unlikely to have been developed without incentives. For more information, see Orphan designation.

Date opinion adopted
Company name
PTC Therapeutics International Limited
Application type

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