Chromosome 18 Clinical Research Center
Public ClinicalTrials.gov record NCT00227253. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
The Chromosome 18 Clinical Research Center
Study identification
- NCT ID
- NCT00227253
- Recruitment status
- Recruiting
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- The University of Texas Health Science Center at San Antonio
- Other
- Enrollment
- 4,000 participants
Conditions and interventions
Interventions
- Audiological and ear, nose and throat examination Procedure
- Behavior and neuropsychometric evaluations Procedure
- Dental evaluation Procedure
- Determination of growth hormone status Procedure
- Dysmorphology evaluation Procedure
- Gastrointestinal evaluation Procedure
- Magnetic resonance imaging of the brain Procedure
- Measurement of growth, thyroid and sex hormone levels Procedure
- Neurology examination Procedure
- Ophthalmologic evaluation Procedure
- Orthopedic evaluation Procedure
- Psychiatric evaluation Procedure
- Speech pathology evaluation Procedure
Procedure
Eligibility (public fields only)
- Age range
- Not listed
- Sex
- All
- 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
- Aug 31, 1993
- Primary completion
- Nov 30, 2040
- Completion
- Nov 30, 2040
- Last update posted
- Jan 5, 2026
1993 – 2040
United States locations
- U.S. sites
- 2
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University Health Systems Hospital | San Antonio | Texas | 78229 | Recruiting |
| University of Texas Health Science Center at San Antonio | San Antonio | Texas | 78229 | Recruiting |
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 NCT00227253, 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 Jan 5, 2026 · Synced May 5, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00227253 live on ClinicalTrials.gov.