Myoson and associated names

  • Procedure started
  • Under evaluation
  • CHMP opinion
  • European Commission final decision
Current status:
European Commission final decision


On 23 April 2015, the European Medicines Agency completed two arbitration procedures following a disagreement among Member States of the European Union (EU) regarding the authorisation of the medicines Merisone and Myoson (tolperisone). The Agency's Committee for Medicinal Products for Human Use (CHMP) concluded that the benefits of Merisone and Myoson outweigh their risks, and the marketing authorisation granted in Hungary can be recognised in other Member States of the EU.

Key facts

Approved name
Myoson and associated names
International non-proprietary name (INN) or common name


Reference number
EMEA/H/A-29/1411 EMEA/H/A-29/1412
Article 29(4) referrals

This type of referral is triggered when there is a disagreement between Member States regarding a marketing authorisation application being evaluated in a mutual-recognition or decentralised procedure, on the grounds of a potential serious risk to public health.

European Commission final decision
Opinion date

All documents

Document description

  • Questions and answers (Q&A) - easy-to-understand summary of key issues and Committee conclusions
  • Summary of Opinion - contains the CHMP opinion of the referred medicine(s)
  • List of the medicines affected by the referral (Annex I)
  • Scientific conclusions of the Committee (Annex II)

The following two documents are sometimes available:

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