Overview

Nexviadyme is an enzyme replacement therapy used to treat patients with Pompe disease, a rare inherited disorder caused by the lack of an enzyme called alpha-glucosidase. Patients with Pompe disease have a build-up of glycogen (complex sugars) in body tissues, including the heart, lung and skeletal muscles, causing enlarged heart, breathing difficulties and muscle weakness.

Nexviadyme contains the active substance avalglucosidase alfa.

Nexviadyme treatment should be supervised by a doctor who has experience managing patients with Pompe disease or other inherited diseases of the same type.

Nexviadyme is given as an infusion (drip) into a vein once every two weeks, and the dose depends on the patient’s body weight. A doctor may decide to increase the dose for patients with infantile-onset Pompe disease (Pompe disease that appears at an early age) who do not improve with the regular dose. Patients who have no major side effects with the first few infusions may be able to have their infusions given at home.

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

The active substance in Nexviadyme, avalglucosidase alfa, is a version of the enzyme alpha-glucosidase, which is lacking in people with Pompe disease. Alpha-glucosidase breaks down glycogen into glucose that can be used for energy by the body’s cells. If the enzyme is not present, glycogen builds up in certain tissues, including the heart and diaphragm (the main breathing muscle under the lungs), causing damage to them. By replacing the missing enzyme, avalglucosidase alfa helps break down glycogen and stop it from building up and causing the symptoms of the condition.

One main study involving 100 patients between 16 and 78 years of age with Pompe disease showed that Nexviadyme was at least as effective in improving lung function as another replacement therapy for Pompe disease (alglucosidase alfa). The patients’ lung function was measured as the percentage change in their forced vital capacity (FVC, the maximum amount of air exhaled forcefully in one breath).

In the study, patients receiving Nexviadyme for 49 weeks increased their lung function by 2.9% compared with patients receiving alglucosidase alfa, who increased their lung function by 0.5%.

The most common side effects with Nexviadyme are hypersensitivity (allergic) reactions and infusion-associated reactions, which may affect more than 1 in 4 people; severe allergic reactions (anaphylaxis) have been reported in less than 2 in 100 people. Other frequently reported side effects (in up to 1 in 10 people) are itching, rash, headache, urticaria (itchy rash), tiredness, nausea (feeling sick), and chills. For the full list of side effects and restrictions of Nexviadyme, see the package leaflet.

A main study showed that Nexviadyme improved the lung function of patients with Pompe disease. The most common side effects are allergic and infusion reactions and are comparable to those reported in patients treated with similar medicines.

The European Medicines Agency, therefore, decided that Nexviadyme’s benefits are greater than its risks, and it can be authorised for use in the EU.

The company that markets Nexviadyme will provide educational material for healthcare professionals including guidance on how to monitor patients for risk of infection and how to arrange infusions at home.

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

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

Nexviadyme : EPAR - Medicine overview

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Nexviadyme : EPAR - Risk-management-plan summary

Product information

Nexviadyme : EPAR - Product Information

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Latest procedure affecting product information: II/0008

30/11/2023

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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).

Nexviadyme : EPAR - All Authorised presentations

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Product details

Name of medicine
Nexviadyme
Active substance
Avalglucosidase alfa
International non-proprietary name (INN) or common name
Avalglucosidase alfa
Therapeutic area (MeSH)
Glycogen Storage Disease Type II
Anatomical therapeutic chemical (ATC) code
A16

Pharmacotherapeutic group

Other alimentary tract and metabolism products

Therapeutic indication

Nexviadyme (avalglucosidase alfa) is indicated for long-term enzyme replacement therapy for the treatment of patients with Pompe disease (acid ?-glucosidase deficiency).

Authorisation details

EMA product number
EMEA/H/C/005501

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.

Marketing authorisation holder
Sanofi B.V.

Paasheuvelweg 25
1105 BP Amsterdam
Netherlands

Opinion adopted
11/11/2021
Marketing authorisation issued
24/06/2022
Revision
3

Assessment history

Nexviadyme : EPAR - Procedural steps taken and scientific information after authorisation

Nexviadyme : EPAR - Orphan Maintenance Assessment Report (initial authorisation)

Nexviadyme : EPAR - Public assessment report

CHMP summary of positive opinion for Nexviadyme

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