Nucala (mepolizumab) receives positive CHMP opinion for new self-administration options
Issued: London, UK
GlaxoSmithKline (LSE/NYSE: GSK) today announced that the European Medicines Agency’s (EMA) Committee for Medicinal Products for Human Use (CHMP) has issued a positive opinion recommending two new methods for administering Nucala (mepolizumab) to patients with severe eosinophilic asthma: a pre-filled pen and a pre-filled safety syringe, to be taken once every four weeks.
If approved, the two new Nucala options will offer healthcare professionals the choice of prescribing at-home administration for appropriate patients. The original lyophilised powder version remains available for administration in clinic by a healthcare professional.
A CHMP positive opinion is one of the final steps before marketing authorisation is granted by the European Commission.
Data supporting the recommendation
The CHMP opinion is supported by positive experience data from two open-label, single-arm, phase IIIa studies (NCT03099096 & NCT03021304) evaluating the real-world use of Nucala administered via the new options in clinic and at home by patients with severe eosinophilic asthma, or their caregivers. Both studies showed patients were able to successfully self-administer treatment with both the pre-filled pen and pre-filled safety syringe after appropriate training (89-95% and 100% respectively). In addition, the majority of patients preferred at-home administration options compared to in-clinic administration.
A further open-label, parallel-group, single-dose pharmacokinetic and pharmacodynamic study (NCT03014674), confirmed that the profile of Nucala administered via the pre-filled safety syringe or pre-filled pen was comparable to the originally approved lyophilised formulation.
About Nucala (mepolizumab)
First approved in 2015 for severe eosinophilic asthma, mepolizumab is the first-in-class monoclonal antibody that targets IL-5. It is believed to work by preventing IL-5 from binding to its receptor on the surface of eosinophils. Inhibiting IL-5 binding in this way reduces blood eosinophils.
Mepolizumab has been developed for the treatment of diseases that are driven by inflammation caused by eosinophils. It has been studied in over 3,000 patients in 16 clinical trials across a number of eosinophilic indications and has been approved (under the brand name Nucala) in the US, Europe and in over 20 other markets, as an add-on maintenance treatment for patients with severe eosinophilic asthma. It is also the only anti IL-5 biologic therapy approved for paediatric use from ages six to 17 in Europe in severe eosinophilic asthma. In the US, Japan, Canada and a number of other markets, it is also approved as add-on maintenance treatment for patients with eosinophilic granulomatosis with polyangiitis (EGPA). Mepolizumab is currently being investigated for severe hypereosinophilic syndrome, nasal polyposis and COPD.
In Europe, Nucala is indicated as an add-on treatment for severe refractory eosinophilic asthma in adults, adolescents and children aged 6 years and older.
Nucala 100mg solution for injection in pre-filled pen and pre-filled syringe are only appropriate for use by adults and adolescents aged 12 years and over and are not indicated for administration to children aged 6 to 11 years old. This population should be treated with the lyophilised powder for solution for injection.
About severe asthma and eosinophilic inflammation
Severe asthma is defined as asthma which requires treatment with high dose inhaled corticosteroids (ICS) plus a second controller (and/or systemic corticosteroids) to prevent it from becoming ‘uncontrolled’ or which remains ‘uncontrolled’ despite this therapy. Severe asthma patients are also often categorised by long-term use of oral corticosteroids (OCS). In a sub-set of severe asthma patients, the over-production of eosinophils (a type of white blood cell) is known to cause inflammation in the lungs. Interleukin-5 (IL-5) is the main promoter of eosinophil growth, activation and survival and provides an essential signal for the movement of eosinophils from the bone marrow into the lung. Studies suggest that approximately 60% of patients with severe asthma have eosinophilic airway inflammation.
GSK’s commitment to respiratory disease
For 50 years, GSK has led the way in developing medicines that advance the management of asthma and COPD. From introducing the world’s first selective short-acting beta agonist in 1969, to launching six treatments in five years to create today’s industry-leading respiratory portfolio, we continue to innovate so we can reach the right patients, with the right treatment. Working together with the healthcare community, we apply world-class science to discover and understand the molecules that become the medicines of tomorrow. We won’t stand still until the simple act of breathing is made easier for everyone.
Important safety information for Nucala (mepolizumab)
The following Important Safety Information is based on a summary of the European Summary of Product Characteristics and Prescribing Information for Nucala. Please consult the full Summary of Product Characteristics and Prescribing Information for all the safety information for Nucala.
Nucala is contraindicated in patients with hypersensitivity to mepolizumab or to any of the excipients.
Nucala should not be used to treat acute asthma exacerbations.
Asthma-related adverse symptoms or exacerbations may occur during treatment. Patients should be instructed to seek medical advice if their asthma remains uncontrolled or worsens after initiation of treatment.
Abrupt discontinuation of corticosteroids after initiation of Nucala therapy is not recommended. Reduction in corticosteroid doses, if required, should be gradual and performed under the supervision of a physician.
Acute and delayed systemic reactions, including hypersensitivity reactions (e.g. anaphylaxis, urticaria, angioedema, rash, bronchospasm, hypotension), have occurred following administration of Nucala. These reactions generally occur within hours of administration, but in some instances have a delayed onset (i.e., typically within several days). These reactions may occur for the first time after a long duration of treatment.
Eosinophils may be involved in the immunological response to some helminth infections. Patients with pre-existing helminth infections should be treated for the helminth infection before starting therapy with Nucala. If patients become infected whilst receiving treatment with Nucala and do not respond to anti-helminth treatment, temporary discontinuation of therapy should be considered.
In clinical studies in subjects with severe refractory eosinophilic asthma, the most commonly reported adverse reactions during treatment were headache, injection site reactions and back pain. Headache was considered very common, occurring with a frequency of ≥1/10. Common adverse drug reactions (≥1/100 to <1/10) included: lower respiratory tract infection, urinary tract infection, pharyngitis, hypersensitivity reactions (systemic, allergic), nasal congestion, upper abdominal pain, eczema, back pain, administration-related reaction (systemic, non-allergic), local injection site reactions, and pyrexia. Severe allergic reactions (anaphylaxis) is a rare side effect (may affect up to 1 in 1,000 people).
Injection site reactions (e.g., pain, erythema, swelling, itching, and burning sensation) occurred at a rate of 8% in subjects treated with Nucala compared with 3% in subjects treated with placebo.
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Cautionary statement regarding forward-looking statements
GSK cautions investors that any forward-looking statements or projections made by GSK, including those made in this announcement, are subject to risks and uncertainties that may cause actual results to differ materially from those projected. Such factors include, but are not limited to, those described under Item 3.D Principal risks and uncertainties in the company's Annual Report on Form 20-F for 2018.
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