The Muscular Dystrophy Association (MDA)’s Kickstart program has announced receipt of both U.S. orphan drug and rare pediatric disease designations in support of work for congenital myasthenic syndrome caused by choline acetyltransferase (CHAT) gene deficiency. The FDA awarded the orphan drug designation to AVCHAT-01X (AAV serotype 9 human choline acetyltransferase).