Study of Families With Twins or Siblings Discordant for Rheumatic Disorders
Public ClinicalTrials.gov record NCT00055055. 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
Pathogenic Studies In Families With Twins Or Siblings Discordant For Systemic Rheumatic Disorders
Study identification
- NCT ID
- NCT00055055
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- National Institute of Environmental Health Sciences (NIEHS)
- NIH
- Enrollment
- 1,056 participants
Conditions and interventions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- 2 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
- Apr 20, 2003
- Primary completion
- Not listed
- Completion
- Not listed
- Last update posted
- May 5, 2026
Started 2003
United States locations
- U.S. sites
- 3
- U.S. states
- 3
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| National Institutes of Health Clinical Center | Bethesda | Maryland | 20892 | — |
| NIEHS Clinical Research Unit (CRU) | Research Triangle Park | North Carolina | — | — |
| 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 NCT00055055, 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 May 5, 2026 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00055055 live on ClinicalTrials.gov.