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AzTrials

ArthritisILANDNCT02498808

Interferon-lambda: Novel Biologics for Controlling Neutrophil-mediated Pathology in Rheumatic Diseases?

An observational study of Arthritis and Vasculitis, run by University of Oxford at 1 site in United Kingdom.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

Neutrophils emerge as key immune cells in the initiation and perpetuation of immune responses in autoimmune diseases. They display marked abnormalities in phenotype and function in various autoimmune diseases, including systemic vasculitis, systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA). Read more about this study

Who is it for?
Ages 18 years and olderHealthy volunteers can take part
Conditions the study is for
Arthritis, Vasculitis
How many people
85 participants
Where
1 siteUnited Kingdom
Study dates
Sep 2015to Dec 2018
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 will be recruited as staff or patients attending secondary care or accompanying patients but who do not have vasculitis or any form of inflammatory arthritis Patients with vasculitis or arthritis who are attending secondary care will be invited to participate if they fulfill eligibility criteria.

Who may be able to join

  • Healthy volunteer or
  • Recent diagnosis of rheumatoid arthritis within 1 month or
  • New diagnosis of giant cell arteritis within 1 month or
  • New diagnosis of anti-neutrophil cytoplasm antibody associated vasculitis within 1 month or
  • Flare of anti-neutrophil cytoplasm antibody associated vasculitis within one month

Who cannot join

  • Unable to provide written informed consent

Trial locations and contacts

1 site in 1 country.

Raashid A Luqmani, DM FRCP contact

01865227971

jana.vaskova@ndorms.ox.ac.uk

United Kingdom1 site, 1 recruiting
  • Oxford University Hospitals NHS Foundation Trust

    Oxford, OX3 7HE

    Jana Vaskova

    Raashid Luqmani, DM FRCP FRCPE

    Recruiting

Other trials in United Kingdom

About this study

Neutrophils emerge as key immune cells in the initiation and perpetuation of immune responses in autoimmune diseases. They display marked abnormalities in phenotype and function in various autoimmune diseases, including systemic vasculitis, systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA).

These neutrophils are characterised by an extended life span, increased capacity to produce reactive oxygen species, active gene expression and release of extracellular traps. Consequently, there is a need for better understanding of neutrophil phenotype and functions in these conditions, as well as for identifying molecules capable of specifically manipulating neutrophil function. The investigators have recently discovered that interferon lambdas (IFN-λs), also known as interleukin 28 (IL28) and interleukin 29 (IL29), class II cytokines with previously studied anti-viral biological functions, specifically suppress neutrophil infiltration and interleukin-1β production and thereby, halt and reverse the development of collagen induced arthritis (CIA). The investigators propose to further investigate the cellular and molecular mechanisms behind this suppression and examine the translational potential of the investigators' finding by examining the IFN-λ receptor expression and function in neutrophils isolated from the blood of healthy donors and rheumatic patients (early rheumatoid arthritis and vasculitis).

Read the detailed description

Expression of Interferon lambda receptor 1 (IFNLR1)/interleukin 28 Receptor Alpha (IL28RA) in human neutrophils.

Neutrophils will be isolated from freshly drawn human blood with subsequent removal of red blood cells with dextran and/or magnetic-activated cell sorting (MACS). The investigators' preliminary results show that neutrophils isolated from the blood of a healthy donor express higher level of IL28RA messenger Ribonucleic Acid (mRNA) compared to Cluster of Differentiation-14 (CD14) negative or CD14 positive lymphocytes. To better understand the relative spread of IL28RA mRNA levels due to human heterogeneity, the investigators will compare the levels of IL28RA expression in neutrophils isolated from blood of 20 healthy donors. The investigators will examine whether treatment of human neutrophils ex vivo with recombinant human IL29 (Bristol- Meyers Squibb, BMS) induces Signal Transducer and Activators of Transcription 1 (STAT1) signalling. The investigators will also test newly generated antibodies to human IL28RA which have shown some specificity in IL28RA detection in cell lines, on neutrophil isolated from blood.

Expression of IFNLR1/IL28RA in neutrophils isolated from blood of rheumatic patients.

The investigators will then compare the levels of IL28RA expression on neutrophils isolated from blood of (1) 15 patients in the early phases of rheumatoid arthritis (RA) and while naïve to biologic therapeutic intervention; (2) 15 vasculitis patients with giant cell arteritis (GCA) (within one week of commencing high dose glucocorticoid) and (3) 15 vasculitis patients with granulomatosis with polyangitis (GPA; Wegener's) at presentation or during a relapse, prior to initiation of immunosuppressive therapy with either cyclophosphamide or rituximab. All patients will undergo standardised assessment of disease activity and damage, i.e. the Birmingham Vasculitis Activity Score version 3.0 (BVAS 3.0) and the Vasculitis Damage Index version 1.0 (VDI) for vasculitis or the disease activity score for 28 joints (DAS-28) for RA. This will allow the investigators to predict whether rheumatic patients are likely to respond to IL29 treatment.

Functional characterisation of human neutrophils treated with IL29.

The investigators will conduct a selective evaluation of the expression of adhesion molecules, the migratory responses and functional properties of human neutrophils treated with IL29 ex vivo. These selected activities will be examined in the IL29 treated neutrophils from blood of healthy donors, with or without stimulation with lipopolysaccharide (LPS), phorbol myristate acetate (PMA) or serum from RA and vasculitis patients. The investigators will assess the impact of IL29 treatment on neutrophils isolated from the blood of patients with RA and vasculitis.

Keywords
Interferon lambda, Interleukin-29, Neutrophil
Medical subject headings
Arthritis, Vasculitis

What participants receive

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

Study groups in NCT02498808
Study groupRoleWhat they receive
Healthy controlsStaff or patients attending hospital or visitors attending with patients. They should not have vasculitis or inflammatory arthritis
Early rheumatoid arthritisNewly diagnosed patients with rheumatoid arthritis attending hospital, prior to use of biologic therapies
New or relapsing ANCA vasculitisNewly diagnosed or flaring patients with anti-neutrophil cytoplasm antibody associated systemic vasculitis attending hospital
Newly diagnosed giant cell arteritisNewly diagnosed patients with giant cell arteritis attending hospital

What is being measured

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

  1. Expression of IFNLR1/IL28Ra in human neutrophils, by laboratory measurement of blood neutrophils

    This will be tested on samples of blood taken from patients

    Measured: Within one month of diagnosis (or flare of vasculitis)

Secondary outcomes (5)
  1. Vasculitis disease activity, based on a scale of disease activity in vasculitis (Birmingham Vasculitis Activity Score version 3.0, BVAS 3.0)

    This will be assessed using the patient using the Birmingham Vasculitis Activity Score (version 3.0), a questionnaire completed by the clinician. A numeric score can be calculated (range 0-63)

    Measured: Within one month of diagnosis (or flare of vasculitis)

  2. Vasculitis damage, based on a scale of disease damage in vasculitis (Vasculitis Damage Index version 1.0, VDI 1.0)

    This will be assessed using the Vasculitis Damage Index (Version 1.0), a questionnaire completed by the clinician. A numeric score can be calculated (0-64)

    Measured: Within one month of diagnosis (or flare of vasculitis)

  3. Disease activity assessment score for arthritis, based on a scale (Disease activity score for 28 joints, DAS-28)

    This will be assessed using a score of the number of painful and tender joints, results of the test of inflammatory markers (usually the C-reactive protein) and a patient's estimate of disease on a visual analogue scale. The data is recorded in a specifically designed calculator, providing a numerical score from 0 to 10

    Measured: Within one month of diagnosis (or flare of vasculitis)

  4. Expression of Toll like receptors, adhesion molecules and chemokine receptors in human neutrophils, by laboratory measurement of blood neutrophils

    This will be tested on samples of blood taken from patients.

    Measured: Within one month of diagnosis (or flare of vasculitis)

  5. STAT1 signalling by neutrophils

    This will be tested on samples of blood taken from patients.

    Measured: Within one month of diagnosis (or flare of vasculitis)

Timeline

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

  1. First posted15 Jul 2015 (estimated)
  2. Study startSep 2015
  3. Primary completionAug 2018 (estimated)
  4. Study completionDec 2018 (estimated)

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
Prospective
Enrolment
85 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02498808
Sponsor's protocol ID
20892
Acronym
ILAND
Status last verified
Aug 2017
First submitted
10 Jul 2015
Last updated
2 Aug 2017
Results posted
No
Data monitoring committee
No

Publications

  • Blazek K, Eames HL, Weiss M, Byrne AJ, Perocheau D, Pease JE, Doyle S, McCann F, Williams RO, Udalova IA. IFN-lambda resolves inflammation via suppression of neutrophil infiltration and IL-1beta production. J Exp Med. 2015 Jun 1;212(6):845-53. doi: 10.1084/jem.20140995. Epub 2015 May 4.

    PubMed 25941255
  • Kotenko SV, Gallagher G, Baurin VV, Lewis-Antes A, Shen M, Shah NK, Langer JA, Sheikh F, Dickensheets H, Donnelly RP. IFN-lambdas mediate antiviral protection through a distinct class II cytokine receptor complex. Nat Immunol. 2003 Jan;4(1):69-77. doi: 10.1038/ni875. Epub 2002 Dec 16.

    PubMed 12483210
  • Sheppard P, Kindsvogel W, Xu W, Henderson K, Schlutsmeyer S, Whitmore TE, Kuestner R, Garrigues U, Birks C, Roraback J, Ostrander C, Dong D, Shin J, Presnell S, Fox B, Haldeman B, Cooper E, Taft D, Gilbert T, Grant FJ, Tackett M, Krivan W, McKnight G, Clegg C, Foster D, Klucher KM. IL-28, IL-29 and their class II cytokine receptor IL-28R. Nat Immunol. 2003 Jan;4(1):63-8. doi: 10.1038/ni873. Epub 2002 Dec 2.

    PubMed 12469119

Questions about this trial

What is this clinical trial studying?

An observational study of Arthritis and Vasculitis, run by University of Oxford at 1 site in United Kingdom.

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 5 inclusion and 1 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: status not confirmed, as of the sponsor's last update on 2 Aug 2017. 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 United Kingdom. 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?

Results are not available in the source record.

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

Contact Raashid A Luqmani, DM FRCP (01865227971, jana.vaskova@ndorms.ox.ac.uk), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Expression of IFNLR1/IL28Ra in human neutrophils, by laboratory measurement of blood neutrophils (time frame: Within one month of diagnosis (or flare of vasculitis)). 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 NCT02498808, which also lists 3 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 2 Aug 2017.

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