Disease & disorder

Yunis-Varon syndrome

MONDO:0008995

Yunis-Varon syndrome is a rare condition that affects many different parts of the body. Signs and symptoms are generally present from birth and may include underdeveloped or absent collarbones (clavicles); large fontanelles; characteristic facial features; hypotonia (reduced muscle tone) and/or abnormalities of the fingers and toes. Affected people may also experience feeding difficulties, breathing problems, brain malformations, heart defects, skeletal abnormalities, developmental delay, and/or intellectual disability. Yunis-Varon syndrome is caused by changes (mutations) in the FIG4 gene and isinherited in an autosomal recessive manner. Treatment is based on the signs and symptoms present in each person.

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Current registry observations. Phase counts may overlap. Study start dates are not registry registration dates. Investigational interventions are not approved-treatment recommendations.

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Background context

Yunis–Varon syndrome

Yunis–Varon syndrome (YVS), also called cleidocranial dysplasia with micrognathia or absent thumbs and distal aphalangia, is an extremely rare autosomal recessive multisystem congenital disorder which affects the skeletal system, ectodermal tissue, heart and respiratory system. It was first described by Emilio Yunis and Humberto Váron from the National University of Colombia.

Background only. Canonical identity remains MONDO; clinical-trial relationships come from ClinicalTrials.gov.

Drugs being studied

Disease identity and terminology: MONDO. Trial relationships: ClinicalTrials.gov.