Duvyzat

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Authorised

This medicine is authorised for use in the European Union

givinostat
Medicine Human Authorised
  • Application under evaluation
  • CHMP opinion
  • European Commission decision

Overview

Duvyzat is a medicine used to treat people aged 6 years and older with Duchenne muscular dystrophy who are able to walk and are already being treated with corticosteroids. Duchenne muscular dystrophy is a genetic disease that gradually causes weakness and loss of muscle function.

Duchenne muscular distrophy is rare, and Duvyzat was designated an ‘orphan medicine’ (a medicine used in rare diseases) on 4 July 2012. Further information on the orphan designation can be found on the EMA website.

Duvyzat contains the active substance givinostat.

Duvyzat can only be obtained with a prescription and should be prescribed by a doctor experienced in treating patients with Duchenne muscular dystrophy.

Duvyzat is available as a liquid to be taken by mouth with food twice a day. Before starting treatment with Duvyzat, doctors will ensure that patients have normal platelet levels (platelets are components that help the blood to clot). During treatment, platelet and triglyceride levels should be monitored regularly and the dose of Duvyzat may need to be adjusted based on the results. In patients who get diarrhoea (more than 4 stools a day) during treatment, the dose of Duvyzat may also need to be adjusted.

For more information about using Duvyzat, see the package leaflet or contact your doctor or pharmacist.

The active substance in Duvyzat, givinostat, blocks the activity of certain enzymes called histone deacetylases (HDAC), which control how genes are read and used to make proteins, including those involved in muscle repair.

It is thought that dystrophic muscle cells have increased HDAC activity, which reduces the production of proteins that repair muscles, leading to inflammation, scarring and thickening, and fat build-up in muscles.

By blocking HDAC activity, givinostat helps restore the production of proteins involved in muscle repair, reducing muscle damage and helping to slow the progression of the disease.

In a main study in boys aged 6 years and older with Duchenne muscular dystrophy who were able to walk and were being treated with corticosteroids, Duvyzat was shown to slow the decline in patients’ ability to walk.

In the study, 81 boys received Duvyzat and 39 received placebo (a dummy treatment), both in addition to corticosteroids. The main measure of effectiveness was the change in patients’ ability to walk, measured by the time needed to climb 4 steps.

After 18 months of treatment, patients taking Duvyzat took an average of 1.25 seconds longer to climb four steps. Those given placebo had a greater increase, taking 3.03 seconds longer on average.

For the full list of side effects and restrictions with Duvyzat, see the package leaflet.

The most common side effects with Duvyzat (which may affect more than 1 in 10 people) include diarrhoea, abdominal (belly) pain, thrombocytopenia (low levels of blood platelets), vomiting and hypertriglyceridaemia (high blood levels of triglycerides, a type of fat).

At the time of authorisation, corticosteroids were the only medicines used for the treatment of Duchenne muscular dystrophy. Based on the study results, Duvyzat is expected to slow the progression of the disease, especially when started early. However, there were uncertainties regarding the magnitude of Duvyzat’s effect and the European Medicines Agency therefore requested that further studies be conducted to confirm the medicine’s effectiveness. The side effects with Duvyzat were mostly mild to moderate and considered manageable. The European Medicines Agency therefore decided that Duvyzat’s benefits are greater than its risks and it can be authorised for use in the EU.

Duvyzat has been given conditional authorisation. This means that it has been authorised on the basis of less comprehensive data than are normally required because it fulfils an unmet medical need. The Agency considers that the benefit of having the medicine available earlier outweighs any risks associated with using it while awaiting further evidence.

The company must provide further data on Duvyzat. It must submit results from two studies to confirm the safety and effectiveness of the medicine, including in the long-term. Every year, the Agency will review any new information that becomes available.

Recommendations and precautions to be followed by healthcare professionals and patients for the safe and effective use of Duvyzat have been included in the summary of product characteristics and the package leaflet.

As for all medicines, data on the use of Duvyzat are continuously monitored. Suspected side effects reported with Duvyzat are carefully evaluated and any necessary action taken to protect patients.

Duvyzat received a conditional marketing authorisation valid throughout the EU on 6 June 2025

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Product information

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Latest procedure affecting product information:VR/0000282569
17/07/2025
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This medicine’s product information is available in all official EU languages.
Select 'available languages' to access the language you need.

 

Product information documents contain:

  • summary of product characteristics (annex I);
  • manufacturing authorisation holder responsible for batch release (annex IIA);
  • conditions of the marketing authorisation (annex IIB);
  • labelling (annex IIIA);
  • package leaflet (annex IIIB).

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Product details

Name of medicine
Duvyzat
Active substance
givinostat hydrochloride monohydrate
International non-proprietary name (INN) or common name
givinostat
Therapeutic area (MeSH)
Muscular Dystrophy, Duchenne
Anatomical therapeutic chemical (ATC) code
M09AX14

Pharmacotherapeutic group

Other drugs for disorders of the musculo-skeletal system

Therapeutic indication

Duvyzat is indicated for the treatment of Duchenne muscular dystrophy (DMD) in ambulant patients, aged 6 years and older, and with concomitant corticosteroid treatment.

Authorisation details

EMA product number
EMEA/H/C/006079

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.

Orphan

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.

Marketing authorisation holder
Italfarmaco S.p.A.

Viale Fulvio Testi 330  
20126 Milan  
Italy

Opinion adopted
25/04/2025
Marketing authorisation issued
06/06/2025
Revision
1

Assessment history

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