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On 16 November 2020, orphan designation EU/3/20/2363 was granted by the European Commission to EUDRAC GmbH, Germany, for 3,5-diamino-6-chloro-N-(N-(4-(4-(2-(hexyl((2S,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexyl)amino)ethoxy)phenyl)butyl)-carbamimidoyl)pyrazine-2-carboxamide, sodium chloride solution 4.2% (w/v) (also known as P-1037 Inhalation Solution) for the treatment of primary ciliary dyskinesia.
Primary ciliary dyskinesia is an inherited disease in which the cilia, hair-like structures which can be found in the lining of the airways, are defective. In the airways, cilia are important for sweeping out mucus and microorganisms that can cause infections and disease. Patients with primary ciliary dyskinesia are prone to recurring lung infections.
Although the main symptoms affect the lung and respiratory tract, patients can have problems with other organs including the ear and may also suffer from infertility. In some patients with primary ciliary dyskinesia, organs in the chest and abdomen, such as the heart, are structurally abnormal or in the wrong position.
Primary ciliary dyskinesia is debilitating in the long-term because of the recurring respiratory infections which can damage the lungs, and problems with heart and hearing and with infertility.
At the time of designation, primary ciliary dyskinesia affected approximately 1.1 in 10,000 people in the European Union (EU). This was equivalent to a total of around 57,000 people*, and is below the ceiling for orphan designation, which is 5 people in 10,000. This is based on the information provided by the sponsor and the knowledge of the Committee for Orphan Medicinal Products (COMP).
*For the purpose of the designation, the number of patients affected by the condition is estimated and assessed on the basis of data from the European Union, Iceland, Liechtenstein, Norway and the United Kingdom. This represents a population of 519,200,000 (Eurostat 2020).
At the time of designation, no satisfactory methods were authorised in the EU for the treatment of primary ciliary dyskinesia. Antibiotic treatments were widely used to treat recurring infections.
When given by inhalation, this medicine is expected to block the action of a protein called ‘epithelial sodium channel’ and prevent it carrying sodium ions and water away from the airways. As a result, the mucus becomes more liquid and can be cleared more easily from the airways by the cilia, thereby improving the symptoms of the disease.
The effects of the medicine have been evaluated in experimental models.
At the time of submission of the application for orphan designation, clinical trials with the medicine in patients with primary ciliary dyskinesia were ongoing.
At the time of submission, the medicine was not authorised anywhere in the EU for the treatment of primary ciliary dyskinesia. Orphan designation of the medicine had been granted in the United States for this condition.
In accordance with Regulation (EC) No 141/2000, the COMP adopted a positive opinion on 8 October 2020, recommending the granting of this designation.
Designated orphan medicinal products are products that are still under investigation and are considered for orphan designation on the basis of potential activity. An orphan designation is not a marketing authorisation. As a consequence, demonstration of quality, safety and efficacy is necessary before a product can be granted a marketing authorisation.
QbD Flanders
Groenenborgerlaan 16
2610 Antwerp
Belgium
E-mail: orphan@qbdgroup.com
| Date | Update |
|---|---|
| March 2023 | The sponsorship was transferred from EUDRAC GmbH, Germany to QbD Flanders, Belgium. |
EMA publishes information on orphan medicinal product designation adopted by the Committee for Orphan Medicinal Products (COMP) on the IRIS online platform:
For contact details of patients’ organisations whose activities are targeted at rare diseases, see:
European Organisation for Rare Diseases (EURORDIS), a non-governmental alliance of patient organisations and individuals active in the field of rare diseases.
Orphanet, a database containing information on rare diseases, which includes a directory of patients’ organisations registered in Europe.
The list of medicines that have received an orphan designation in the EU is available on the European Commission's website: