Evfraxy

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Authorised

This medicine is authorised for use in the European Union

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

Overview

Evfraxy is a medicine used to treat the following conditions:

  • osteoporosis (a disease that makes bones fragile) in women who have been through the menopause and in men who have an increased risk of fracture (broken bones). In women who have been through the menopause Evfraxy reduces the risk of fractures in the spine and elsewhere in the body, including the hip;
  • bone loss in men receiving treatment for prostate cancer that increases their risk of fracture. Evfraxy reduces the risk of fractures in the spine;
  • bone loss in adults at increased risk of fractures who are treated long term with corticosteroid medicines given by mouth or injection.

Evfraxy contains the active substance denosumab and is a biological medicine. It is a ‘biosimilar medicine’; this means that Evfraxy is highly similar to another biological medicine (the ‘reference medicine’) that is already authorised in the EU. The reference medicine for Evfraxy is Prolia.

Evfraxy can only be obtained with a prescription and is available as a solution for injection in prefilled syringes.

It is given once every 6 months as a 60 mg injection under the skin in the thigh, abdomen (belly) or back of the arm. During treatment with Evfraxy, the doctor should ensure that the patient is receiving calcium and vitamin D supplements. Evfraxy can be given by someone who has been trained in how to give injections appropriately.

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

The active substance in Evfraxy, denosumab, is a monoclonal antibody (a type of protein) that has been designed to recognise and attach to a specific structure in the body called RANKL. RANKL is involved in activating osteoclasts, the cells in the body that are involved in breaking down bone tissue. By attaching to and blocking RANKL, denosumab reduces the formation and activity of the osteoclasts. This reduces the loss of bone and maintains bone strength, making fractures less likely to happen.

Laboratory studies comparing Evfraxy with Prolia have shown that the active substance in Evfraxy is highly similar to that in Prolia in terms of structure, purity and biological activity. Studies have also shown that giving Evfraxy produces similar levels of the active substance in the body to those seen with Prolia.

In addition, a study involving 472 women with osteoporosis who have been through the menopause compared the effectiveness of Evfraxy with that of Prolia. After a year of treatment, bone mineral density in the spine (a measure of how strong the bones are) increased by around 5.5% in women who received Evfraxy and 5.0% in those who received Prolia.

Because Evfraxy is a biosimilar medicine, the studies on the effectiveness carried out with Prolia do not all need to be repeated for Evfraxy.

For the complete list of side effects and restrictions with Evfraxy, see the package leaflet.

The safety of Evfraxy has been evaluated and, on the basis of all the studies carried out, the side effects of the medicine are considered to be comparable to those of the reference medicine Prolia.

The most common side effects with Evfraxy (which may affect more than 1 in 10 people) include pain in the arms or legs, and bone, joint and muscle pain. Uncommon or rare side effects (which may affect up to 1 in 1000 people) include cellulitis (inflammation of deep skin tissue), hypocalcaemia (low blood calcium), hypersensitivity (allergy), osteonecrosis of the jaw (damage to the bones of the jaw, which could lead to pain, sores in the mouth or loosening of teeth) and unusual fractures of the thigh bone.

Evfraxy must not be used in people with hypocalcaemia (low blood calcium levels).

The European Medicines Agency decided that, in accordance with EU requirements for biosimilar medicines, Evfraxy has a highly similar structure, purity and biological activity to Prolia and is distributed in the body in the same way. In addition, a study has shown that Evfraxy and Prolia are equivalent in terms of safety and effectiveness in women with osteoporosis who have been through the menopause.

All these data were considered sufficient to conclude that Evfraxy will have the same effects as Prolia in its authorised uses. Therefore, the Agency’s view was that, as for Prolia, the benefits of Evfraxy outweigh the identified risks and it can be authorised for use in the EU.

The company that markets Evfraxy will provide a card to inform patients about the risk of osteonecrosis of the jaw and to instruct them to contact their doctor if they experience symptoms.

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

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

Evfraxy received a marketing authorisation valid throughout the EU on 30 June 2025.

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Product information

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30/06/2025
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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
Evfraxy
Active substance
denosumab
International non-proprietary name (INN) or common name
denosumab
Therapeutic area (MeSH)
  • Bone Resorption
  • Osteoporosis
  • Osteoporosis, Postmenopausal
Anatomical therapeutic chemical (ATC) code
M05BX04

Pharmacotherapeutic group

Drugs for treatment of bone diseases

Therapeutic indication

Treatment of osteoporosis in postmenopausal women and in men at increased risk of fractures. In postmenopausal women Evfraxy significantly reduces the risk of vertebral, non-vertebral and hip fractures.

Treatment of bone loss associated with hormone ablation in men with prostate cancer at increased risk of fractures (see section 5.1). In men with prostate cancer receiving hormone ablation, Evfraxy significantly reduces the risk of vertebral fractures.

Treatment of bone loss associated with long-term systemic glucocorticoid therapy in adult patients at increased risk of fracture (see section 5.1).

Authorisation details

EMA product number
EMEA/H/C/006526

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.

Biosimilar

This is a biosimilar medicine, which is a biological medicine highly similar to another already approved biological medicine called the ‘reference medicine’. For more information, see Biosimilar medicines.

Marketing authorisation holder
Biosimilar Collaborations Ireland Limited

Unit 35/36
Grange Parade,
Baldoyle Industrial Estate
Dublin 13
DUBLIN
D13 R20R
Ireland

Opinion adopted
25/04/2025
Marketing authorisation issued
30/06/2025

Assessment history

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