Overview

Omlyclo is a medicine used to improve the control of severe persistent asthma caused by an allergy. It is used as an add-on to asthma treatment in patients from 6 years of age when the asthma is caused by an antibody called immunoglobulin E (IgE). Omlyclo should only be used in patients who:

  • have had a positive skin test result for an allergy caused by an allergen (a substance that causes an allergy) in the air, such as house-dust mites, pollen or mould;
  • have frequent symptoms during the day or waking up during the night;
  • have had many severe asthma attacks despite treatment with high doses of inhaled corticosteroids plus a long-acting inhaled beta-2 agonist (other medicines to treat asthma).

In patients aged 12 years or over, Omlyclo should only be used if the patient has reduced lung function (measured as less than 80% of their FEV1, the maximum volume of air they can breathe out in 1 second).

Omlyclo is also used to treat:

  • chronic (long-term) spontaneous urticaria (itchy rash). It is used as an add-on to existing treatment in patients aged 12 years or over in whom treatment with an antihistamine (another medicine to treat urticaria) does not work well enough;
  • severe chronic rhinosinusitis with nasal polyps (inflamed lining of the nose and sinuses with swellings in the nose) in adults. It is used with a corticosteroid given into the nose when the corticosteroid alone does not work well enough.

Omlyclo contains the active substance omalizumab and is a biological medicine. It is a biosimilar medicine; this means that it is highly similar to another biological medicine (the reference medicine) that is already authorised in the EU. The reference medicine for Omlyclo is Xolair. For more information on biosimilar medicines, see here.

Omlyclo can only be obtained with a prescription and treatment should be started by a doctor who is experienced in treating the condition for which it is to be used.

Omlyclo is available as a prefilled syringe containing a solution for injection under the skin. Patients or their caregivers can inject the medicine once they have received training from a healthcare professional and provided that the patient is not at high risk of a severe allergic reaction to the medicine.

The dose of Omlyclo and how often it is given depends on the condition being treated. For allergic asthma and chronic rhinosinusitis with nasal polyps, the dose is calculated based on the patient's weight and levels of IgE in the blood.

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

The active substance in Omlyclo, omalizumab, is an antibody (a type of protein) designed to attach to IgE, which is produced at high levels in people with allergies and triggers an allergic reaction in response to an allergen. By attaching to IgE, omalizumab ‘mops up’ the free IgE in the blood. This means that when the body encounters an allergen, there is less IgE available to trigger an allergic reaction. This helps to reduce the symptoms of allergy, such as asthma attacks.

IgE is also involved in inflammation. By reducing the amount of IgE in the blood, omalizumab helps to reduce inflammation, thereby helping to shrink nasal polyps and improve symptoms.

Although the role of IgE in chronic spontaneous urticaria is less clear, reducing its levels in the blood may reduce inflammation and improve symptoms.

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

In addition, the effects of Omlyclo and Xolair on itch severity were found to be comparable in a study involving 408 people with chronic spontaneous urticaria who did not respond to antihistamine treatment. After 12 weeks of treatment, the weekly itch severity score was reduced by an average of 9.21 points in people who received Omlyclo compared with an average of 9.98 points in those who received Xolair. 

Because Omlyclo is a biosimilar medicine, the studies on effectiveness and safety of omalizumab carried out with Xolair do not all need to be repeated for Omlyclo.

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

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

In adults with allergic asthma, the most common side effects with Omlyclo (which may affect up to 1 in 10 people) include headache and injection site reactions such as pain, swelling, redness and itching. Additional common side effects in people with chronic rhinosinusitis with nasal polyps include upper abdominal (belly) pain, dizziness and joint pain.

In children aged 6 to 12 years with allergic asthma, the most common side effects include headache and fever (which may affect more than 1 in 10 people), and upper abdominal pain (which may affect up to 1 in 10 people).

In people with chronic spontaneous urticaria, the most common side effects include headache, injection site reactions, joint pain, sinusitis and upper respiratory tract infections (nose and throat infections).

The European Medicines Agency decided that, in accordance with EU requirements for biosimilar medicines, Omlyclo has a highly similar structure, purity and biological activity to Xolair and is distributed in the body in the same way. In addition, a study involving patients with chronic spontaneous urticaria has shown that Omlyclo and Xolair are equivalent in terms of safety and effectiveness in this condition.

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

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

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

Omlyclo received a marketing authorisation valid throughout the EU on 16 May 2024.

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This medicine’s product information is available in all official EU languages.
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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
Omlyclo
Active substance
omalizumab
International non-proprietary name (INN) or common name
omalizumab
Therapeutic area (MeSH)
  • Asthma
  • Urticaria
Anatomical therapeutic chemical (ATC) code
R03DX05

Pharmacotherapeutic group

Drugs for obstructive airway diseases

Therapeutic indication

Allergic asthma

Omlyclo is indicated in adults, adolescents and children (6 to <12 years of age). 

Omlyclo treatment should only be considered for patients with convincing IgE (immunoglobulin E) mediated asthma (see section 4.2).

Adults and adolescents (12 years of age and older)

Omlyclo is indicated as add-on therapy to improve asthma control in patients with severe persistent allergic asthma who have a positive skin test or in vitro reactivity to a perennial aeroallergen and who have reduced lung function (FEV1 <80%) as well as frequent daytime symptoms or night-time awakenings and who have had multiple documented severe asthma exacerbations despite daily high-dose inhaled corticosteroids, plus a long-acting inhaled beta2-agonist.

Children (6 to <12 years of age)

Omlyclo is indicated as add-on therapy to improve asthma control in patients with severe persistent allergic asthma who have a positive skin test or in vitro reactivity to a perennial aeroallergen and frequent daytime symptoms or night-time awakenings and who have had multiple documented severe asthma exacerbations despite daily high-dose inhaled corticosteroids, plus a long-acting inhaled beta2-agonist.

Chronic rhinosinusitis with nasal polyps (CRSwNP)

Omlyclo is indicated as an add-on therapy with intranasal corticosteroids (INC) for the treatment of adults (18 years and above) with severe CRSwNP for whom therapy with INC does not provide adequate disease control.

Chronic spontaneous urticaria (CSU)

Omlyclo is indicated as add-on therapy for the treatment of chronic spontaneous urticaria in adult and adolescent (12 years and above) patients with inadequate response to H1 antihistamine treatment.

Authorisation details

EMA product number
EMEA/H/C/005958

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
Celltrion Healthcare Hungary Kft.

Váci út 1-3. West End Office
Building B torony
1062 Budapest
Hungary

Opinion adopted
21/03/2024
Marketing authorisation issued
16/05/2024

Assessment history

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