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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT02843997
Other study ID # 38RC14.321
Secondary ID
Status Recruiting
Phase N/A
First received July 11, 2016
Last updated July 22, 2016
Start date February 2015
Est. completion date February 2018

Study information

Verified date July 2016
Source University Hospital, Grenoble
Contact Jérôme Holtzmann, Doctor
Phone 04 76 76 54 14
Email jholtzmann@chu-grenoble.fr
Is FDA regulated No
Health authority France: Agence Nationale de Sécurité du Médicament et des produits de santé
Study type Interventional

Clinical Trial Summary

Bipolar disorder is a chronic and frequent mood pathology, that impacts on emotional and socio-professional life of sick subjects, and also increase mortality by suicide. Suicide is considered as a bipolar disorder result.

The main goal of this study is the endophenotype characterization from a clinical and cognitive point of view, of a bipolar spectrum's disorder present in a family, and then highlight a mutation of one of the genes involved is this disorder.


Description:

Heritability of bipolar disorder is now well established, but seems to be multifactorial in most of the cases.

The use of an endophenotype characterized in a family presenting numerous bipolar sufferers enable to reflect the expression of simpler genetic variants than those involved in the disease, and might enable the identification of genes involved in the etiopathogenesis of this endophenotype.


Recruitment information / eligibility

Status Recruiting
Enrollment 29
Est. completion date February 2018
Est. primary completion date February 2018
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Both
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Members of a family adult (more than 18 years)

- Signed informed consents

- Registered to a French social security or possesor of the European Health Insurance Card

Exclusion Criteria:

Clinical part :

- Refusal to sign the participation study consent.

- Organic affection likely to affect cognitive abilities and brain structures or acute decompensation of a bipolar disorder.

Genetic part :

- Refusal to sign the genetic sample consent.

Study Design

Endpoint Classification: Safety Study, Intervention Model: Single Group Assignment, Masking: Open Label


Related Conditions & MeSH terms


Intervention

Genetic:
Endophenotype and sequencing
Draw an endophenotype and genetic study

Locations

Country Name City State
France UniversityHospitalGrenoble La Tronche

Sponsors (1)

Lead Sponsor Collaborator
University Hospital, Grenoble

Country where clinical trial is conducted

France, 

References & Publications (55)

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Edvardsen J, Torgersen S, Røysamb E, Lygren S, Skre I, Onstad S, Oien PA. Heritability of bipolar spectrum disorders. Unity or heterogeneity? J Affect Disord. 2008 Mar;106(3):229-40. Epub 2007 Aug 9. — View Citation

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Frey BN, Andreazza AC, Houenou J, Jamain S, Goldstein BI, Frye MA, Leboyer M, Berk M, Malhi GS, Lopez-Jaramillo C, Taylor VH, Dodd S, Frangou S, Hall GB, Fernandes BS, Kauer-Sant'Anna M, Yatham LN, Kapczinski F, Young LT. Biomarkers in bipolar disorder: a positional paper from the International Society for Bipolar Disorders Biomarkers Task Force. Aust N Z J Psychiatry. 2013 Apr;47(4):321-32. doi: 10.1177/0004867413478217. Epub 2013 Feb 14. Review. — View Citation

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* Note: There are 55 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Neuropsychological evaluations tests Neuropsychological evaluations (about one hour) :
TMT (Trail Making Test) A and B, Stroop VFT (Visual Field Testing), DST (Dyslexia Screening Test) Tower of London test Hayling, CPT (continuous performance task) CVLT (California Verbal Learning Test) tests.
One day No
Primary Eye tracking. The volunteer will follow an instruction according to the color seen on a screen.
This instruction is to look at the side where there is a flashlight and to look at the opopsite if the light is unbroken.
Mistakes will be count.
One hour No
Primary Blood sampling Genetic sample for extraction of DNA. 3 minutes No
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