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Research of Biomarkers in Parkinson Disease

Study acronym: Genepark
StatusCompleted
PhaseNot specified
Started
View on ClinicalTrials.gov ↗

Record History

  1. Study Status, Study Design, Arms and Interventions, Outcome Measures, Referencesv6
  2. Trial status: Recruiting to Completed Enrollment target: estimated 1150 to confirmed 219 · Site details revised at 5 of 5 sitesv5 Show all 3 changesShow less
    • Enrollment target: estimated 1150 to confirmed 219
    • Site details revised at 5 of 5 sites
  3. Trial status: Not Yet Recruiting to Recruiting Primary completion date: Jun 2012 · Completion date: Dec 2009 to Jun 2012 · Site details revised at 5 of 5 sitesv4 Show all 4 changesShow less
    • Primary completion date: Jun 2012
    • Completion date: Dec 2009 to Jun 2012
    • Site details revised at 5 of 5 sites
  4. Start date: Jun 2007 to Oct 2007v3
  5. Study description revisedv2 Show moreShow less

    See this version in full on ClinicalTrials.gov ↗

  6. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
The main goal of the GENEPARK consortium is to employ innovative haemogenomic approaches to determine gene expression profiles specific for genetic and idiopathic Parkinson's disease (PD) patients. These gene expression signatures will be utilised clinically as non-invasive diagnostic tests for PD. The sensitivity of the newly developed diagnostic test will be determined by extensive validations on an independent cohort of PD patients, whereas the specificity will be assessed by testing patients with atypical parkinsonisms, including multiple system atrophy, progressive supranuclear palsy and diffuse Lewy body disease. In order to test the specificity of the diagnostic set in other disorders that affect basal ganglia, Huntington's disease and dopa responsive dystonia patients will be analysed. The second objective of the proposal is to determine correlations between gene expression signatures and different stages of PD and thus provide the basis for early diagnosis and monitoring of disease progression. These changes in blood gene expression will be correlated with alterations detected by neuroimaging in the brain of PD patients. Such combinations of molecular and morphological markers of disease may ultimately facilitate the selection and monitoring of neuroprotective therapies for PD. Finally, GENEPARK aims to develop new bioinformatic software tools for selection of genomic biomarkers using microarray data. A set of established computational tools will be applied and novel methods, some of them based on mechanistic modelling of the neurodegenerative diseases, will be developed in order to study the advantages and limitations of the different methodologies. With special emphasis on the careful clinical selection of patients and sufficient power regarding patient numbers, as well as extensive quality control and validation of the data, GENEPARK aims to develop a standardised approach to development and validation of haemogenomic biomarkers of disease.
Trial Details
NCT Number NCT00465790
Lead Sponsor Institut National de la Santé Et de la Recherche Médicale, France
Collaborators: European Union
Conditions Parkinson Disease, Multiple System Atrophy, Progressive Supranuclear Palsy, Huntington Disease, Dystonia, Diffuse Lewy Body Disease
Enrollment 219 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov