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Psoriasis VulgarisTSS1NCT04095130

Tissue Sodium in Patients With Psoriasis

An observational study of Psoriasis Vulgaris and Healthy, run by Charite University, Berlin, Germany at 1 site in Germany.

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

Sodium can be buffered in the skin, which mechanism is altered during aging and in certain diseases such as hypertension. High salt environment can promote autoimmunity by expanding pathogenic IL-17 producing T helper (Th17) cells. Read more about this study

Who is it for?
Ages 18 to 80 years
Conditions the study is for
Psoriasis Vulgaris, Healthy
What is being tested?
23Na Magnetic resonance imaging
How many people
56 participants
Where
1 siteGermany
Study dates
1 Jul 2015to 17 Sep 2019
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 to 80 years
  • All sexes
  • Adult, Older adult

Study population: Healthy patients recruited locally (invitation to volunteer sent to workers of the Charié University Clinic and the Max Delbrück Center for Molecular Medicine). Psoriasis patients are recruited who are treated at the Department of Dermatology, Venerology and Allergology, Charité Medical Faculty, Berlin, Germany, Immanuel Krankenhaus Berlin, Medical Centre for Rheumatology and Clinical Immunology, Berlin, Germany and the Helios Clinic Berlin-Buch, Berlin, Germany.

Who may be able to join

  • Age: 18-80
  • Body mass index (BMI) 18.5- 40 kg/m2
  • Glomerular filtration rate >60 ml/min/1.73m2

Who cannot join

  • Diagnosed or treated hypertension and/or blood pressure above 140/90 at screening
  • Palpable peripheral oedema during phyisical examination at screening
  • Any type of diabetes mellitus and/or HgbA1c>6.5% at screening
  • Subjects with a thyroid-stimulating hormone >4.2 mU/L at screening
  • Psoriasis patients treated with systemic corticosteroids, chemotherapy agent (methothrexate) or with any kind of biologics/biosimilars
  • Subjects with acute disease
Show all 11Show fewer
  • Pregnant or lactating women
  • Metal or medical device implant in the body
  • Tattoo on the lower extremities
  • Subjects with a history of drug or alcohol abuse
  • Subjects who are legal incapacitated or their circumstances do not enable the patient to fully understand the nature, significance and scope of this study.

Trial locations and contacts

1 site in 1 country.

Germany1 site
  • Experimental and Clinical Research Center, Clinical Research Unit

    Berlin, 13125

Other trials in Germany

About this study

Official title: Tissue Sodium Accumulation in Patients With Psoriasis: a Pilot Study

Sodium can be buffered in the skin, which mechanism is altered during aging and in certain diseases such as hypertension. High salt environment can promote autoimmunity by expanding pathogenic IL-17 producing T helper (Th17) cells. Psoriasis is a relapsing and remitting inflammatory autoimmune disease affecting the skin and joints and involves proinflammatory Th17 cells. Here we tested the hypothesis if psoriatic skin has a higher sodium content in humans.

Read the detailed description

The cytokine interleukin-17A (IL-17A) is a crucial player in the pathogenesis of the autoimmune disease of psoriasis. This neutrophil recruiting cytokine is produced by IL-17A producing CD4+ T cells (Th17) and gamma/delta T cells of the skin and evokes an inflammation circuit finally leading to the classical clinical picture of psoriasis with hyper- and parakeratosis, erythema, scaling and neutrophil abscess formation.

Besides genetic factors, lifestyle factors are relevant and decide if an autoimmune disease becomes manifest. It was shown previously that increased salt (sodium chloride, NaCl) concentrations boost the induction of murine and human Th17 cells. However, more - and also clinical - studies are needed to understand the correlation between salt content and IL-17A in autoimmune diseases.

This study investigates the hypothesis if skin sodium content in human psoriasis is increased in order to get further insight into the IL-17A-salt-interplay.

Being tested
23Na Magnetic resonance imaging
Keywords
Psoriasis, Sodium, Skin
Medical subject headings
Psoriasis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • 23Na Magnetic resonance imagingDiagnostic test

    Measurement of skin sodium content by non-invasive 23Na Magnetic resonance imaging.

Study groups in NCT04095130
Study groupRoleWhat they receive
Healthy subjectsthose without a condition
Receives: Diagnostic Test: 23Na Magnetic resonance imaging
Psoriasis patientsthose with a condition
Receives: Diagnostic Test: 23Na Magnetic resonance imaging

What is being measured

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

  1. Non-invasive sodium measurement in the skin

    Sodium measured in the skin by 23Na-MRI is higher in psoriasis patients vs. matched healthy individuals.

    Measured: 4 years

Timeline

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

  1. First posted19 Sep 2019
  2. Study start1 Jul 2015
  3. Primary completion16 Mar 2018
  4. Study completion17 Sep 2019

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
Case-control
Time perspective
Cross-sectional
Enrolment
56 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04095130
Sponsor's protocol ID
ChariteU-ECRC-TSS1
Acronym
TSS1
Status last verified
Sep 2019
First submitted
17 Sep 2019
Last updated
19 Sep 2019
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided: Planned to share all IPD that underlie results in a publication.

Publications

  • Kopp C, Linz P, Dahlmann A, Hammon M, Jantsch J, Muller DN, Schmieder RE, Cavallaro A, Eckardt KU, Uder M, Luft FC, Titze J. 23Na magnetic resonance imaging-determined tissue sodium in healthy subjects and hypertensive patients. Hypertension. 2013 Mar;61(3):635-40. doi: 10.1161/HYPERTENSIONAHA.111.00566. Epub 2013 Jan 21.

    PubMed 23339169
  • Kleinewietfeld M, Manzel A, Titze J, Kvakan H, Yosef N, Linker RA, Muller DN, Hafler DA. Sodium chloride drives autoimmune disease by the induction of pathogenic TH17 cells. Nature. 2013 Apr 25;496(7446):518-22. doi: 10.1038/nature11868. Epub 2013 Mar 6.

    PubMed 23467095

Questions about this trial

What is this clinical trial studying?

An observational study of Psoriasis Vulgaris and Healthy, run by Charite University, Berlin, Germany at 1 site in Germany.

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 3 inclusion and 11 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 19 Sep 2019. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Germany. 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?

Non-invasive sodium measurement in the skin (time frame: 4 years). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT04095130, which also lists 2 linked publications.

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 19 Sep 2019.

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