Study Status: RECRUITING
Recruit Status: RECRUITING
Study Type: INTERVENTIONAL
Official Title: An Open-label, Non-Comparative Study to Evaluate the Steady-State Pharmacokinetics, Safety, and Efficacy of Mexiletine in Adolescents and Children With Myotonic Disorders
Brief Summary: This is an open-label, multi-centre, single arm, interventional study to describe the steady-state PK, safety, and efficacy of mexiletine in paediatric patients (6 to <18 years of age) with myotonic disorders.