# Clinical and Genetic Studies of Families With Congenital or Hereditary Cataracts

> **NCT00056771** · — · COMPLETED · sponsor: **National Eye Institute (NEI)** · enrollment: 3432 (actual)

## Conditions studied

- Cataract

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00056771
- **Lead sponsor:** National Eye Institute (NEI)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2003-03-18
- **Primary completion:** —
- **Final completion:** 2016-05-25
- **Target enrollment:** 3432 (ACTUAL)
- **Last updated:** 2018-04-05


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00056771

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00056771, "Clinical and Genetic Studies of Families With Congenital or Hereditary Cataracts". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT00056771. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
