Twin study seeks clues to rheumatic disease mysteries
NCT ID NCT00055055
First seen Jun 24, 2026 · Last updated Aug 14, 2026 · Updated 12 times
Summary
This study looks at families where one sibling has a rheumatic disease (like rheumatoid arthritis or lupus) and the other does not. Researchers compare their blood, genes, and environmental exposures to find clues about why one got sick. Over 1,000 participants are involved, including siblings, parents, and healthy volunteers. The goal is to understand what causes these diseases, not to test a new treatment.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- What this could lead to
- If successful, this study could help identify genetic or environmental factors that trigger rheumatic diseases, pointing toward future prevention or treatment strategies.
- What could go wrong
- This is an observational study, not a treatment trial. It may not find clear differences, and results may not directly lead to new therapies.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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NIEHS Clinical Research Unit (CRU)
Research Triangle Park, North Carolina, United States
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National Institutes of Health Clinical Center
Bethesda, Maryland, 20892, United States
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University of Wisconsin
Madison, Wisconsin, 53792, United States
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