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Healthy SubjectsPRECISESADSTNCT02890147

Molecular Reclassification to Find Clinically Useful Biomarkers for Systemic Autoimmune Diseases: Case-control

An observational study of Healthy Subjects, run by Fundación Pública Andaluza Progreso y Salud at 17 sites in 9 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Connective tissue diseases (CTD) or systemic autoimmune diseases (SADs) as they are known today are a group of chronic inflammatory conditions with autoimmune aetiology with few treatment options and difficult diagnosis.Brest team contribute to perform a new classification of the following systemic autoimmune diseases… Read more about this study

Who is it for?
Ages 18 years and olderHealthy volunteers can take part
Conditions the study is for
Healthy Subjects
How many people
649 participants
Where
17 sitesin 9 countries
Study dates
Dec 2014to Oct 2017
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Study population: Healthy Volunteers

Who may be able to join

  • Aged 18 years or older at the time of consent
  • Signed the informed consent form

Who cannot join

  • Individuals on chronic medication.
  • Individuals suffering from any inflammatory, autoimmune, allergic or infectious condition and if possible without a history of autoimmune disease, particularly thyroid disease or other diseases that may modify cellular profiles in blood.
  • Pregnant women.

Trial locations and contacts

17 sites in 9 countries.

17 sites in 9 countries

Spain7 sites
  • Hospital Clinic I Provicia- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)

    Barcelona

  • Hospital Universitario Reina Sofía Andaluz de Salud

    Córdoba

  • Biobanco del Sistema Sanitario Público de Andalucía (SSPA)

    Granada

  • Hospital Universitario San Cecilio Servicio Andaluz de Salud

    Granada

  • Hospital Virgen de las Nieves Granada

    Granada

  • Hospital Regional de Málaga Servicio Andaluz de Salud

    Málaga

  • Hospital Universitario Marqués de Valdecilla, Servicio Cántabro de Salud

    Santander

Other trials in Spain

Germany2 sites
  • Deutsches Rheuma-Forschungszentrum Berlin (DRFZ)

    Berlin

  • Medizinische Hochschule Hannover

    Hanover

Other trials in Germany

Italy2 sites
  • Fondazione IRCCS Ca Granda Ospedale Maggiore Policlinico (IRCCS)

    Milan

  • UNIMI, Istituto Ortopedico Getano Pini

    Milan

Other trials in Italy

Austria1 site
  • Medical University of Vienna

    Vienna

Other trials in Austria

Belgium1 site
  • UZ Leuven - KU Leuven, Department of Rheumatology (KU LEUVEN)

    Leuven

Other trials in Belgium

France1 site
  • CHRU de Brest

    Brest, 29609

Other trials in France

Hungary1 site
  • University of Szeged

    Szeged

Other trials in Hungary

Portugal1 site
  • Centro Hospitalar do Porto

    Porto

Other trials in Portugal

Switzerland1 site
  • Hospitaux Universitaires de Géneve

    Geneva

Other trials in Switzerland

About this study

Connective tissue diseases (CTD) or systemic autoimmune diseases (SADs) as they are known today are a group of chronic inflammatory conditions with autoimmune aetiology with few treatment options and difficult diagnosis.Brest team contribute to perform a new classification of the following systemic autoimmune diseases in a European Union's Seventh Framework Programme. The aim of this research is to constitute a Healthy Volunteers cohort to compare with systemic autoimmune diseases cohort into molecular clusters instead of clinical entities through the determination of molecular profiles using several "Omics" techniques.

Read the detailed description

The main objective of the PRECISESADS project is to reclassify the individuals affected by SADs into molecular clusters instead of clinical entities through the determination of molecular profiles using several "-omics" techniques.

The specific objectives of this cross sectional study and sub-study are:

  1. To identify a systemic taxonomy for patients with SADs by producing the following data in individuals with SADs and controls: genetic, epigenomic, transcriptomic, flow cytometric (from peripheral blood mononuclear and polymorphonuclear cells (PBMCs)), metabolomics and proteomic in plasma and urine, exosome analysis, classical serology (antibodies and autoantibodies), and clinical data.
  2. To better characterize individual SADs at the omics level.
  3. To perform clustering analyses to determine the groups of individuals who, differentially from other groups, share specific molecular features (precision medicine).
  4. To identify gene expression, methylation profiles through deconvolution methods comparing a mixture of cells with subpopulations determined by flow cytometry with separated cells, cytokine profiles and plasma metabolomics using Mass Spectrometry, in a substudy of 288 individuals.

The clustering process will be data-driven with the aim to find the most homogenous and differentiated clusters of diseases that clearly separate individuals on the basis of, serological, genetic, epigenomic, cellular (cell proportions), metabolomic, proteomic (cytokines, autoantibodies) and transcriptome characteristics and differentiate them from controls and other patient clusters.

A total of 2000 patients and 666 controls will be included in the study.

Keywords
SADs, Healthy Volunteers, Molecular profiles, Omics Techniques

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Gene expression in total blood

    Gene expression will be done using commercial gene expression microarrays in total blood from all samples using the RNA Paxgene tube.

    Measured: 2 years

  2. Flow cytometry analysis to determine cell proportions in the total blood mixture in all individuals.

    9 optimized panels of antibodies will be used to determine cell subpopulations in peripheral blood (including very minor cell populations).

    Measured: 24 hours

  3. Genotyping

    Genotyping will be done using a whole genome array.

    Measured: 2 years

  4. Metabolite determination

    Metabolite determination in plasma and urine using Nuclear Magnetic Resonance

    Measured: 2 years

  5. Exosome isolation from plasma and urine

    set up of the methodology for isolating exosomes in these bodily fluids for gene expression analysis

    Measured: 2 years

  6. Cytokine profile determination

    88 different cytokines will be assessed with Luminex

    Measured: 2 years

  7. routine autoantibodies in serum

    set of serum autoantibodies will be determined in a European validated laboratory. Also, they will perform detection of antibodies against small lipid moieties i.e.antiphosphorylcholine), lupus anticoagulant and complement proteins in plasma.

    Measured: 2 years

  8. Gene expression methylation in total blood

    Methylation analysis will be done using the methylome 450k array using the DNA obtained from total blood. MicroRNA gene expression arrays using total blood.

    Measured: 2 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted7 Sep 2016 (estimated)
  2. Study startDec 2014
  3. Primary completionOct 2017
  4. Study completionOct 2017

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
649 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02890147
Sponsor's protocol ID
PRECISESADS-T
Acronym
PRECISESADST
Status last verified
Apr 2018
First submitted
22 Aug 2016
Last updated
23 May 2018
Results posted
No
Data monitoring committee
Yes
Individual data sharing
Undecided

Questions about this trial

What is this clinical trial studying?

An observational study of Healthy Subjects, run by Fundación Pública Andaluza Progreso y Salud at 17 sites in 9 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 23 May 2018. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 17 sites in Spain, Germany, Italy, Austria, Belgium and 4 more countries. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Gene expression in total blood (time frame: 2 years). The study lists 8 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 23 May 2018.

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