Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed No phase listed Observational

Family Studies of Eye Traits

ClinicalTrials.gov ID: NCT00342342

Public ClinicalTrials.gov record NCT00342342. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 4:40 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Family Studies of Ocular Traits

Study identification

NCT ID
NCT00342342
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Enrollment
7,370 participants

Conditions and interventions

Interventions

Not listed

Eligibility (public fields only)

Age range
45 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 3, 2002
Primary completion
Apr 16, 2020
Completion
Apr 16, 2020
Last update posted
Apr 20, 2020

2002 – 2020

United States locations

U.S. sites
5
U.S. states
4
U.S. cities
5
Facility City State ZIP Site status
Johns Hopkins University Baltimore Maryland 21205
National Human Genome Research Institute (NHGRI), 9000 Rockville Pike Bethesda Maryland 20892
Boston University Boston Massachusetts 02118-2354
University Hospitals of Cleveland Cleveland Ohio 44106-2602
University of Wisconsin Madison Wisconsin 53792

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00342342, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 20, 2020 · Synced Jul 21, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00342342 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →