# Genetic Studies of Strabismus, Congenital Cranial Dysinnervation Disorders (CCDDs), and Their Associated Anomalies

> **NCT03059420** · — · RECRUITING · sponsor: **Boston Children's Hospital** · enrollment: 20000 (estimated)

## Conditions studied

- Congenital Fibrosis of Extraocular Muscles
- Duane Retraction Syndrome
- Duane Radial Ray Syndrome
- Mobius Syndrome
- Brown Syndrome
- Marcus Gunn Syndrome
- Strabismus Congenital
- Horizontal Gaze Palsy
- Horizontal Gaze Palsy With Progressive Scoliosis
- Facial Palsy
- Facial Paresis, Hereditary, Congenital
- Third Nerve Palsy
- Fourth Nerve Palsy
- Sixth Nerve Palsy
- Synkinesis
- Ocular Motility Disorders
- Levator-Medial Rectus Synkinesis
- Athabaskan Brainstem Dysgenesis
- Tongue Paralysis
- Ninth Nerve Disorder
- Fifth Nerve Palsy
- Seventh Nerve Palsy
- Eleventh Nerve Disorder
- Twelfth Nerve Disorder
- Vagus Nerve Paralysis
- Moebius Sequence

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03059420
- **Lead sponsor:** Boston Children's Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2004-02-01
- **Primary completion:** 2030-01
- **Final completion:** 2030-01
- **Target enrollment:** 20000 (ESTIMATED)
- **Last updated:** 2026-02-11

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03059420

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03059420, "Genetic Studies of Strabismus, Congenital Cranial Dysinnervation Disorders (CCDDs), and Their Associated Anomalies". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT03059420. Licensed CC0.

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