Congenital myasthenic syndrome 9

MONDO:0014587

Any congenital myasthenic syndrome in which the cause of the disease is a mutation in the MUSK gene.

Also known as: CMS9, MUSK congenital myasthenic syndrome, congenital myasthenic syndrome caused by mutation in MUSK, congenital myasthenic syndrome type 9, myasthenic syndrome, congenital, 9, associated with acetylcholine receptor deficiency

1 clinical trial for this condition and its sub-types, 1 tagged with Congenital myasthenic syndrome 9 itself.

Follow this condition to get notified about new trials

Where it sits in the disease tree

Browse by category →

Part of

↑ Postsynaptic congenital myasthenic syndrome (3)

Including sub-types (1) Tagged with Congenital myasthenic syndrome 9 (1)

Trials to join now! 1

Researchers track rare muscle disease to uncover its secrets

Knowledge-focused Recruiting now

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…

Sponsor: argenx • Aim: Knowledge-focused

Last updated Jul 24, 2026 00:00 UTC

Congenital myasthenic syndrome 9

Where it sits in the disease tree

Researchers track rare muscle disease to uncover its secrets