A Study to Investigate the Genetic Variation of Dopamine Pathway in Patients With Chronic Pain
1 other identifier
interventional
110
2 countries
4
Brief Summary
Patients having completed former trials T1001-01 or T1001-02 will undergo one blood sampling for genotyping purposes. In addition they will compete the personality questionnaires they had completed in the former trial.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable
Started Feb 2017
Shorter than P25 for not_applicable
4 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 5, 2016
CompletedFirst Posted
Study publicly available on registry
December 12, 2016
CompletedStudy Start
First participant enrolled
February 8, 2017
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 5, 2017
CompletedStudy Completion
Last participant's last visit for all outcomes
October 5, 2017
CompletedMay 8, 2019
May 1, 2019
8 months
December 5, 2016
May 6, 2019
Conditions
Keywords
Outcome Measures
Primary Outcomes (5)
Number of participants with Single Nucleotide Polymorphisms (SNPs) variation of catechol-O-methyltransferase
SNPs will be analyzed with Sanger based genotyping or equivalent method
Time zero equals baseline
Number of participants with SNPs variation of monoamine oxidase
SNPs will be analyzed with Sanger based genotyping or equivalent method
Time zero equals baseline
Number of participants with SNPs variation of dopamine B hydroxylase
SNPs will be analyzed with Sanger based genotyping or equivalent method
Time zero equals baseline
Number of participants with SNPs variation of dopamine receptor 3
SNPs will be analyzed with Sanger based genotyping or equivalent method
Time zero equals baseline
Number of participants with SNPs variation of brain-derived neurotropic factor genes
SNPs will be analyzed with Sanger based genotyping or equivalent method
Time zero equals baseline
Secondary Outcomes (7)
Number of participants with SNPs variation of tryptophan hydroxylase-2
Time zero equals baseline
Number of participants with SNPs variation of 5-hydroxytryptamine transporter
Time zero equals baseline
Number of participants with SNPs variation of 5-hydroxytryptamine receptor 2A
Time zero equals baseline
Number of participants with SNPs variation of serotonin transporter gene-linked polymorphic region genes
Time zero equals baseline
Number of participants with SNPs variation of opioid receptor gene
Time zero equals baseline
- +2 more secondary outcomes
Study Arms (1)
Unique study arm
OTHERInterventions
Completion of the following questionnaires: Multidimensional Personality Questionnaire (MPSQ), Interpersonal Reactivity Index (IRI) and Behavioral inhibition system/ Behavioral activation systems (BISBAS) questionnaires
Eligibility Criteria
You may qualify if:
- have completed T1001-01 or T1001-02 study (Visit 5 completed)
- are men or women of at least 18 years of age
- have given written informed consent approved by the relevant Ethics Committee governing the study sites
You may not qualify if:
- have any close relationship with the Investigators or the Sponsor
- are under legal protection, according to the national law
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Tools4Patientlead
Study Sites (4)
ATC SA
Liège, 4000, Belgium
CIC Clermont-Ferrand CHU G. Montpied
Clermont-Ferrand, 63003, France
Eurofins Optimed
Gières, 38610, France
Institut Curie
Paris, 75005, France
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Alvaro Pereira
Tools4Patient
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- BASIC SCIENCE
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 5, 2016
First Posted
December 12, 2016
Study Start
February 8, 2017
Primary Completion
October 5, 2017
Study Completion
October 5, 2017
Last Updated
May 8, 2019
Record last verified: 2019-05