Research Into the Molecular Bases of a New Phenotype Combining Premature White Hair, Polycystic Kidney Disease, Aortic Dilation/Dissection and Lymphopenia (BCL-2)

August 28, 2018 updated by: Centre Hospitalier Universitaire Dijon

This study involves a single family, including 1 patient, father, mother and sister. The patient presented with a new phenotype associating premature white hair, renal polycystosis, aortic dilation/dissection and lymphopenia. Samples were taken in order to identify the origin of the symptomatology highlighted in the index case.

In addition, it was observed that mice invalidated for bcl-2, normal at birth and indistinguishable from control mice, showed, after one week, a phenotype similar to that observed in this patient.

The overlap between the patient's main clinical signs (lymphopenia, white hair and polycystic renal disease) and the manifestations presented by the invalidated murine model for BCL2 suggests that its phenotype may be secondary to a Bcl-2 expression defect.

Study Overview

Study Type

Observational

Enrollment (Actual)

4

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Dijon, France, 21000
        • Chu Dijon Bourogne

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Hospitalized patient

Description

This study involves a single family, including 1 patient, father, mother and sister.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Family-Based
  • Time Perspectives: Other

Cohorts and Interventions

Group / Cohort
Patient
Patient with a new phenotype combining premature white hair, renal polycystosis, aortic dilation/dissection and lymphopenia
Related parties of the 1st degree
1st degree related family of Group A patient

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Whole genome sequencing of BCL2
Time Frame: Through study completion, an average of 2 years.
Through study completion, an average of 2 years.
Bcl-2-regulating miRNA sequencing
Time Frame: Through study completion, an average of 2 years.
Through study completion, an average of 2 years.
Study of the methylation of the BCL2 promoter
Time Frame: Through study completion, an average of 2 years.
Through study completion, an average of 2 years.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

June 1, 2010

Primary Completion (Actual)

June 1, 2012

Study Completion (Actual)

December 1, 2012

Study Registration Dates

First Submitted

August 27, 2018

First Submitted That Met QC Criteria

August 28, 2018

First Posted (Actual)

August 29, 2018

Study Record Updates

Last Update Posted (Actual)

August 29, 2018

Last Update Submitted That Met QC Criteria

August 28, 2018

Last Verified

August 1, 2018

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

3
Subscribe