Neuromuscular

Centronuclear Myopathy

Also known as CNM, myotubular myopathy, X-linked myotubular myopathy

Centronuclear Myopathy is a group of congenital myopathies defined by the abnormal centralisation of nuclei within muscle fibres on biopsy. The most severe form, X-linked myotubular myopathy (XLMTM), is caused by MTM1 mutations and presents

ORPHA:596 ↗Gene MTM1Gene DNM2Gene BIN1Prevalence 1 in 50,000 (X-linked form); overall rarerOnset Congenital (X-linked form) to adult (autosomal forms)X-linked recessive (MTM1), autosomal dominant (DNM2), autosomal recessive (BIN1)

8

studies recruiting now

as of 7 Sept 2026

22

studies registered in total

as of 7 Sept 2026

4

countries with a recruiting site

as of 7 Sept 2026

17 Mar 2026

most recent study posted

among recruiting studies

Recruiting trials

Showing the 5 most recently updated recruiting studies, as recorded 7 Sept 2026. Live status on each study page.

See all 8 recruiting studies

Where recruiting studies are running

Countries with at least one recruiting site among the studies above, 7 Sept 2026. Tap a country to search trials there.

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Support

Patient organisations

Myotubular Trust / Cure CMDPatient association
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Registry: CMDIR / MTM-CNM Registry · Join ↗. Registries connect patients to researchers and often hear about trials first.

About Centronuclear Myopathy

Centronuclear Myopathy is a group of congenital myopathies defined by the abnormal centralisation of nuclei within muscle fibres on biopsy. The most severe form, X-linked myotubular myopathy (XLMTM), is caused by MTM1 mutations and presents with profound neonatal hypotonia and respiratory failure requiring ventilation in nearly all affected males. Autosomal forms due to DNM2 or BIN1 mutations are generally milder and later in onset.

Common clinical features

Profound neonatal hypotonia (XLMTM) or childhood-onset weaknessRespiratory failure requiring mechanical ventilation (XLMTM)Facial weakness and ophthalmoplegiaFeeding difficulties and requirement for nasogastric or gastrostomy feedingSkeletal deformities including scoliosisHepatomegaly (in XLMTM due to MTM1 role in liver)Delayed or absent achievement of motor milestones

From Orphanet’s phenotype annotations (CC BY 4.0). Not a complete list.

Before you apply

Things trial teams commonly ask about for Centronuclear Myopathy. Not eligibility rules; those are set by each study.

  • Gene-specific eligibility is strict — MTM1 (XLMTM) trials are separate from DNM2 and BIN1 trials; confirm your gene and mutation before applying to any trial
  • Ventilator dependency and mode of respiratory support (invasive vs non-invasive) are key eligibility stratifiers — document ventilator settings and hours per day
  • For XLMTM gene therapy trials, prior AAV exposure (pre-existing AAV antibody titres) is a common exclusion criterion; serum AAV neutralising antibody testing should be completed early

Related conditions

Information, not medical advice. Trial listings are shown as recorded on ClinicalTrials.gov; whether any study is right for you is a decision for you and your clinicians, and eligibility is decided by each research team. Disease information from Orphanet (CC BY 4.0).