Massive study aims to decode dental clues in rare diseases
NCT ID NCT02397824
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study looks at mouth and tooth problems in people with rare diseases. Researchers will collect saliva, blood, and medical history from 1300 participants to better understand these issues. The goal is to improve diagnosis and care, 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 could improve diagnosis and care for orodental problems in rare diseases by identifying genetic causes.
- What could go wrong
- This is an observational study, not a treatment trial. It may not directly lead to new therapies, and results depend on participant enrollment and data quality.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 1,300 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2015
- Expected to finish
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Dec 2035
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Routine care hospitalization patient
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patient presenting with a rare disease * New patient or patient already known in the center * Child (in his primary dentition) or adult * Man or woman * Having signed a consent form or accepted to participate to the study * Patient affiliated to social security * Validation of the inclusion by the principal investigator looking at the patient file Exclusion Criteria: * Patient whose clinical diagnostic is not possible * Patient whose clinical file does not contain teeth photos * Patient who has not signed a consent form and accepted to participate to the study * Patient who is not affiliated to social security. * Non validation of the inclusion by the principal investigator looking at the patient file
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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BLOCH-ZUPAN Agnès
RECRUITINGStrasbourg, Alsace, 67091, France