Postsynaptic congenital myasthenic syndrome

This early-stage trial tests a new biologic drug called ARGX-119 in 16 adults with a rare genetic muscle weakness condition called DOK7-congenital myasthenic syndrome (CMS). The study aims to see if the drug is safe and how the body processes it. Participants will receive either …

This study is for people with a rare genetic muscle condition called congenital myasthenic syndrome (CMS). It does not test any new drug or treatment. Instead, researchers will collect information from up to 100 participants over 4 visits to better understand how the disease affe…