Longitudinal and Biological Study of Childhood Disintegrative Disorder
Public ClinicalTrials.gov record NCT00004458. 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.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
OBJECTIVES: I. Compare the developmental course (language acquisition, diagnostic stability, predictors of outcome, and restricted interests and behaviors) of childhood disintegrative disorder versus autism and non-autistic developmental delays. II. Collect data on molecular genetics of proband and family members.
Study identification
- NCT ID
- NCT00004458
- Recruitment status
- Terminated
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- NIH
- Enrollment
- 220 participants
Conditions and interventions
Conditions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- 2 Years to 9 Years
- 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
- Apr 30, 1997
- Primary completion
- Not listed
- Completion
- Not listed
- Last update posted
- Jun 23, 2005
Started 1997
United States locations
- U.S. sites
- 2
- U.S. states
- 2
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Yale Child Study Center | New Haven | Connecticut | 06520 | — |
| University of Chicago Cancer Research Center | Chicago | Illinois | 60637 | — |
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 NCT00004458, 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 Jun 23, 2005 · Synced Sep 4, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00004458 live on ClinicalTrials.gov.