Disease Directory Weill-Marchesani Syndrome
Connective Tissue

Weill-Marchesani Syndrome

Also known as: spherophakia-brachymorphia syndrome, WMS

Prevalence

1 in 100,000

Onset

Congenital

Type

Genetic — autosomal recessive (ADAMTS10) or autosomal dominant (FBN1)

Gene

ADAMTS10, FBN1

About Weill-Marchesani Syndrome

Weill-Marchesani syndrome is a rare connective tissue disorder characterised by the opposite phenotype to Marfan syndrome: short stature, brachydactyly, joint stiffness, and microspherophakia — an abnormally small, spherical lens. The displaced spherical lens frequently causes secondary glaucoma and severe myopia, representing the most serious complications requiring urgent ophthalmological management. The autosomal dominant form caused by FBN1 mutations overlaps clinically with Marfan syndrome, whereas the autosomal recessive form (ADAMTS10) typically presents with a more severe systemic phenotype.

Common Clinical Features

Microspherophakia (small, spherical ocular lens) Severe myopia (often greater than -10 dioptres) Lens dislocation (ectopia lentis), commonly inferiorly Secondary angle-closure or pupillary-block glaucoma Short stature (below third centile) Brachydactyly with short, broad hands and feet Joint stiffness and limited range of motion

Clinical Trial Eligibility Tips

What to know before applying to Weill-Marchesani Syndrome trials.

Ophthalmological records including slit-lamp examination, lens position documentation, and IOP history are essential baseline documents for any trial involving ocular endpoints.

Height, weight, and hand anthropometry measurements (metacarpal index) may be required to confirm phenotypic diagnosis if genetic confirmation is pending.

Confirm current glaucoma treatment and intraocular pressure control, as uncontrolled IOP may be an exclusion criterion in some trials.

Patient Resources

Patient Organization

Genetic and Rare Diseases Information Center (GARD)

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Orphanet

European reference resource for rare diseases (ORPHA:3449)

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NORD

National Organization for Rare Disorders

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Find recruiting Weill-Marchesani Syndrome trials

Search 500,000+ studies from ClinicalTrials.gov, filtered for Weill-Marchesani Syndrome. Updated daily.

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