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Not listed Not applicable Interventional Accepts healthy volunteers

Down Syndrome - Comparison of Screening Methods in the 1st and 2nd Trimesters

ClinicalTrials.gov ID: NCT00006445

Public ClinicalTrials.gov record NCT00006445. 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 Oct 20, 2026, 5:02 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

First and 2nd Trimester Evaluation of the Risk of Aneuploidy

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Too much or too little genetic information (chromosome material) can cause abnormal development of the fetus or death. Each year approximately 2.5 million pregnant women are screened for Down Syndrome using invasive screening methods (amniocentesis or chorionic villus sampling). This 11 center study of 38,000 women will compare the accuracy of the several non-invasive tests in the first and second trimesters of pregnancy versus amniocentesis or diagnosis at birth to diagnose aneuploidy or Down Syndrome.

Study identification

NCT ID
NCT00006445
Recruitment status
Not listed
Study type
Interventional
Phase
Not applicable
Enrollment
38,000 participants

Conditions and interventions

Interventions

Procedure

Eligibility (public fields only)

Age range
16 Years to 45 Years
Sex
Female
Healthy volunteers
Accepts healthy volunteers

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

Study timeline

Start date
Not listed
Primary completion
Not listed
Completion
Not listed
Last update posted
Feb 22, 2007

United States locations

U.S. sites
10
U.S. states
8
U.S. cities
9
Facility City State ZIP Site status
University of Colorado Health Sciences Center Denver Colorado 80262 —
New England Medical Center Boston Massachusetts 02111 —
William Beaumont Hospital Research Institute Royal Oak Michigan 48073-6769 —
New York University School of Medicine New York New York 10016 —
Mount Sinai Medical Center New York New York 10029 —
Montefiore Medical Center The Bronx New York 10461 —
Women and Infants Hospital Providence Rhode Island 02905 —
University of Texas Medical Branch Galveston Texas 77555-0587 —
University of Utah Salt Lake City Utah 84132 —
Swedish Medical Center Seattle Washington 98104-1377 —

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 NCT00006445, 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 Feb 22, 2007 · Synced Oct 20, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00006445 live on ClinicalTrials.gov.

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