Clinical trial Recruiting at 1 site Observational

Research to identify genetic causes of rare diseases

Official title: Diagnostic Research in Patients With Rare Diseases -Solving the Unsolved Rare Diseases

Run by Centre Hospitalier Universitaire Dijon · NCT04024774 · Data updated 2026-11-12

This study is trying to find the genetic causes of rare diseases in patients by looking closely at their DNA and their family members' DNA to help improve diagnosis.

More Rare Diseases trials

Quick facts

Study typeObservational
SexAll
Enrollment50 (estimated)
SponsorCentre Hospitalier Universitaire Dijon
Academic / other
Locations1 site (Dijon)
StatusRecruiting
StartedNovember 14, 2019
Main results expectedMay 2026
Study endsMay 2026
Registry record updatedApril 2, 2025
Trial IDNCT04024774 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include individuals with rare diseases of unclear genetic origin and their healthy parents for trio analysis.

Probably not a fit

Patients without a suspected genetic cause or those not affiliated with a national health insurance scheme may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study focuses on patients with rare diseases that have unclear molecular causes. It employs advanced algorithms and statistical models to re-analyze existing genetic data, complemented by omics technologies and functional studies using patient-derived cell lines. The study also includes a trio analysis involving healthy family members to enhance the identification of de novo variants. The goal is to improve the diagnosis of hereditary diseases that have previously remained unsolved.

Why it matters

Potential benefit: If successful, this research could lead to more accurate diagnoses for patients with rare genetic diseases.

How similar studies have gone: Other studies utilizing advanced genetic analysis techniques have shown promise in identifying previously undiagnosed rare diseases, indicating potential success for this approach.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Persons or legal guardian who have given their written informed consent
* Unclear molecular cause of the disease corresponding to the list of diseases selected by the Solve-RD data interpretation force (principal investigator part of the team)
* Suspected genetic cause of the disease with negative exome reanalysis
* Healthy parents available for trio analysis

Exclusion Criteria:

* Person not affiliated to a national health insurance scheme

Where it's running

  • CHU de Dijon
    Dijon, France
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.