Lupin and Exeltis Announce Reimbursement Approval of NaMuscla® in
Agreement enables sustainable patient access of the only EU-approved treatment for myotonia symptoms
in non-dystrophic myotonic disorders
NDM disorders are a group of rare, inherited neuromuscular disorders with an estimated prevalence of 1 case per 100,000 inhabitants in
“NDM patients in
"We are excited by this decision which will enable us to provide a new, innovative treatment option that addresses the unmet needs of patients with NDM as soon as possible," said Alberto Fábregas Gil, Director General
To date, people in Spain living with NDM have had limited access to a licensed treatment for myotonia that can reduce the daily burden of this disabling, lifelong condition. Limited access leads to inconsistent medication supply, administrative challenges, and associated financial burdens. This, alongside limited clinical experience among healthcare professionals due to the rare nature of the disease, may result in significant harm to patients.
Lupin’s pediatric trial (NCT04624750), part of the pediatric investigation plan for NaMuscla® in children with myotonic disorders, is ongoing and successfully concluded patient enrolment in a first patient cohort group who were offered and rolled over into a 2-year follow-up study (NCT04622553). A post-authorization study to address long-term safety and treatment effects of NaMuscla® on patient-reported outcomes in adults with NDM (NCT04616807) has concluded patient enrollment and will provide 3 years prospective data on NaMuscla® in a real-life setting.
Notes for Editors
About Myotonic Disorders and Non-Dystrophic Myotonias (NDM)
Myotonic disorders are a group of heterogeneous, inherited, neuromuscular disorders characterized by a shared symptom called myotonia4. Myotonia can be described as an inability to relax a contraction of skeletal muscle which originates from a voluntary muscular contraction such as shaking someone’s hand and blinking, or everyday activities such as walking across a street and climbing stairs4.
Non-dystrophic myotonias (NDM) are a sub-set of rare (prevalence of 1:100,0001), inherited, myotonic disorders which are caused by mutations within ion channels in the sarcolemma membrane of skeletal muscles. Non-dystrophic myotonias exhibit both sodium and chloride channelopathies which result in altered membrane excitability5. For patients with NDM, myotonia is the most prominent symptom and demonstrates different phenotypes in subgroups of NDM disorders, and can affect different parts of the body, such as legs, arms, or facial muscles, more severely5.
Myotonia in patients with NDM has an onset in childhood and persists across their lifetime. Patients perceive that myotonia increases in severity over time, impacting daily life. Myotonia is described by patients in a variety of ways (stiffness, cramps, pain, difficulty releasing a fist, or difficulty swallowing or eating) which can contribute to substantial delays in diagnosis and treatment, leading to decreased patient quality-of-life and often significant disability4, 6.
About NaMuscla® (mexiletine)
NaMuscla® is the first and only antimyotonic agent licensed to treat symptomatic myotonia in adults with non-dystrophic myotonic disorders in
About Lupin
Lupin is an innovation-led transnational pharmaceutical company headquartered in
The Company enjoys a leadership position in the cardiovascular, anti-diabetic, and respiratory segments and has a significant presence in the anti-infective, gastro-intestinal (GI), central nervous system (CNS), and women’s health areas. Lupin is the third-largest pharmaceutical company in the
Lupin has 15 manufacturing sites, 7 research centers, more than 20,000 professionals working globally, and has been consistently recognized as a ‘Great Place to Work’ in the Biotechnology & Pharmaceuticals sector.
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About Exeltis
Exeltis is a fast-growing division of the integrated health sciences group Insud Pharma. With a global footprint spanning over 40 countries, Exeltis has a team of more than 4,000 professionals supported by a global manufacturing network. It boasts a leadership position in the Women’s Health segment and in recent years, Exeltis has also diversified into Central Nervous System (CNS) and other therapeutic areas.
References:
- Emery AEH, Neuromuscular Discord 1991;1:19-29
- Vicart S, et al. Neuromuscular Discord 2021;31:1124-1135
- NaMuscla®. Summary of Product Characteristics. EU/1/18/1325/001-004.
18 December 2018 - Stunnenberg, et al. Muscle Nerve 2020;62(4):430-444
- Matthews E, et al. Brain 2010;133:9–22
- Trivedi JR, et al. Brain 2013;136:2189-200
- Matthews E, et al. Pract Neurol 2021;0:1–10
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