Genetic Studies of Strabismus, Nystagmus, and Associated Disorders
Boston Children's Hospital
400 participants
Sep 3, 2021
OBSERVATIONAL
Conditions
Summary
Strabismus (misalignment of the eyes) often runs in families. In this study, the investigators are looking for genetic variants associated with strabismus and nystagmus. Three types of subects will be enrolled: (1) Families with at least 3 members with strabismus, (2) individuals with infantile esotropia and their parents and siblings, and (3) individuals with infantile nystagmus and their parents. Whole exome and/or whole genome sequencing will be used to identify genetic variants shared by family members with strabismus and to identify genetic causes of nystagmus.
Eligibility
Inclusion Criteria5
- \- Member of a family with at least 3 biological relatives with strabismus. (Both affected and non-affected family members will be enrolled).
- OR
- \- Member of a family with at least 1 individual with infantile esotropia. (Both affected and non-affected family members will be enrolled).
- OR
- \- Member of a family with at least 1 individual with infantile nystagmus. (Both affected and non-affected family members will be enrolled).
Exclusion Criteria1
- paralytic strabismus in affected family members
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Interventions
Whole genome sequencing or whole exome sequencing will be performed for all enrolled participants.
Locations(1)
View Full Details on ClinicalTrials.gov
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NCT04770519