Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Interventional
Official Title: Open Label Trial of Ranolazine in Myotonia Congenita, Paramyotonia Congenita, & Myotonic Dystrophy Type 1
Brief Summary: The purpose of this study is to gather preliminary data to determine if ranolazine is a safe and effective treatment for the symptoms of myotonia congenital, paramyotonia congenita, and myotonic dystrophy type 1. The duration of the study is 5 weeks.