NCT05450133

Brief Summary

Axial spondyloarthritis is an inflammatory disease characterized by the involvement of the sacroiliac joints and the spine. Disease activity and structural changes are determined by using physical examination, imaging studies, laboratory parameters, and patient-reported indices. Among laboratory studies, Erythrocyte sedimentation rate (ESR) and c-reactive protein (CRP) are the most commonly utilized parameters. However, the level of ESR and CRP are inadequate in demonstrating disease activity and inflammation compared to other diseases. In this study, the investigators aimed to analyze and compare the systemic inflammatory index (SII), which is a hematologic parameter between subjects with radiographic axial spondyloarthritis, non-radiographic axial spondyloarthritis, and healthy controls. Secondarily, the relationship between disease activity and enthesitis score and SII scores in patients with radiographic and non-radiographic axial spondyloarthritis will be investigated.

Trial Health

33
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Trial recruitment is currently suspended
Enrollment
300

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Jul 2022

Typical duration for all trials

Geographic Reach
1 country

1 active site

Status
suspended

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

July 4, 2022

Completed
4 days until next milestone

First Posted

Study publicly available on registry

July 8, 2022

Completed
7 days until next milestone

Study Start

First participant enrolled

July 15, 2022

Completed
3.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 15, 2026

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 15, 2026

Completed
Last Updated

May 1, 2025

Status Verified

April 1, 2025

Enrollment Period

3.6 years

First QC Date

July 4, 2022

Last Update Submit

April 28, 2025

Conditions

Keywords

Ankylosing SpondylitisDisease activityInflammatory marker

Outcome Measures

Primary Outcomes (1)

  • Systemic inflammatory index

    neutrophils \* platelets/lymphocytes

    Baseline

Secondary Outcomes (4)

  • Bath Ankylosing Spondylitis Disease Activity Index (BASDAI)

    Baseline

  • Ankylosing Spondylitis Disease Activity Score (ASDAS)-ESR

    Baseline

  • Ankylosing Spondylitis Disease Activity Score (ASDAS)-CRP

    Baseline

  • Maastricht Ankylosing Spondylitis Entheses Score (MASES)

    Baseline

Study Arms (3)

R-ax-Spa

Radiographic axial spondyloarthritis

Other: Systemic inflammatory indexOther: BASDAIOther: ASDAS-ESROther: ASDAS-CRPOther: MASES

nR-ax-Spa

Non-radiographic axial spondyloarthritis

Other: Systemic inflammatory indexOther: BASDAIOther: ASDAS-ESROther: ASDAS-CRPOther: MASES

Control

Healthy Controls

Other: Systemic inflammatory index

Interventions

neutrophil count x platelet count/lymphocyte count

ControlR-ax-SpanR-ax-Spa
BASDAIOTHER

Bath Ankylosing Spondylitis Disease Activity Index includes six questions which includes the following six parameters: fatigue, spinal pain, peripheral joint pain, attachment point inflammation, and duration and severity of morning stiffness. A total score, ranging from 0 to 10, was calculated according to the patients' responses to six questions, with a higher score indicating more severe illness.

Also known as: Bath Ankylosing Spondylitis Disease Activity Index
R-ax-SpanR-ax-Spa

The ASDAS-ESR is deduced using formula that is chosen by the ASAS group. ASDAS-ESR is calculated with the answers of spinal, peripheral pain, morning stiffness on BASDAI, the patient global assessment, and erythrocyte sedimentation rate (mm/h).

Also known as: Ankylosing Spondylitis Disease Activity Score-ESR
R-ax-SpanR-ax-Spa

The ASDAS-CRP is deduced using formula that is chosen by the ASAS group. ASDAS-CRP is calculated with the answers of spinal, peripheral pain, morning stiffness on BASDAI, the patient global assessment, and erythrocyte C-reactive protein (mg/dl).

Also known as: Ankylosing Spondylitis Disease Activity Score-CRP
R-ax-SpanR-ax-Spa
MASESOTHER

It is used to evaluate the sensitivity of enthesis points by palpation in patients with ankylosing spondylitis. Scoring is done by giving 1 point for sensitive areas and 0 points if there is no sensitivity on the fifth lumbar spinous process, bilateral first and seventh costochondral joints, iliac crystals, posterior and anterior iliac spines, attachment sites of achilles tendon to the calcaneus.

Also known as: Maastricht Ankylosing Spondylitis Entheses Score
R-ax-SpanR-ax-Spa

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Radiographic and non-radiographic axial spondyloarthritis subjects and healthy volunteers will be invited to the study.

You may qualify if:

  • Diagnosed with axial spondyloarthritis according to the ASAS classification criteria

You may not qualify if:

  • Acute/chronic infections
  • Presence of other autoimmune diseases
  • Diabetes mellitus
  • Coronary arterial disease
  • Hypertension
  • Malignancy
  • Hematological diseases
  • Liver diseases
  • Pregnancy/Lactation
  • Renal diseases

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Izmir Bozyaka Research and Training Hostpital

Izmir, Turkey (Türkiye)

Location

Related Publications (5)

  • Song GG, Lee YH. Red cell distribution width, platelet-to-lymphocyte ratio, and mean platelet volume in ankylosing spondylitis and their correlations with inflammation: A meta-analysis. Mod Rheumatol. 2020 Sep;30(5):894-899. doi: 10.1080/14397595.2019.1645373. Epub 2019 Aug 1.

    PMID: 31313609BACKGROUND
  • Sezgin M, Tecer D, Kanik A, Kekik FS, Yesildal E, Akaslan E, Yildirim G, Sahin G. Serum RDW and MPV in Ankylosing Spondylitis: Can they show the disease activity? Clin Hemorheol Microcirc. 2017;65(1):1-10. doi: 10.3233/CH-162067.

    PMID: 27258203BACKGROUND
  • Malaviya AN, Kalyani A, Rawat R, Gogia SB. Comparison of patients with ankylosing spondylitis (AS) and non-radiographic axial spondyloarthritis (nr-axSpA) from a single rheumatology clinic in New Delhi. Int J Rheum Dis. 2015 Sep;18(7):736-41. doi: 10.1111/1756-185X.12579. Epub 2015 Jul 14.

    PMID: 26172961BACKGROUND
  • Tanacan E, Dincer D, Erdogan FG, Gurler A. A cutoff value for the Systemic Immune-Inflammation Index in determining activity of Behcet disease. Clin Exp Dermatol. 2021 Mar;46(2):286-291. doi: 10.1111/ced.14432. Epub 2020 Oct 10.

    PMID: 32869876BACKGROUND
  • Wu J, Yan L, Chai K. Systemic immune-inflammation index is associated with disease activity in patients with ankylosing spondylitis. J Clin Lab Anal. 2021 Sep;35(9):e23964. doi: 10.1002/jcla.23964. Epub 2021 Aug 21.

    PMID: 34418163BACKGROUND

MeSH Terms

Conditions

Spondylitis, Ankylosing

Condition Hierarchy (Ancestors)

Axial SpondyloarthritisSpondylarthropathiesSpondylarthritisSpondylitisSpinal DiseasesBone DiseasesMusculoskeletal DiseasesAnkylosisJoint DiseasesArthritis

Study Officials

  • Bugra Ince

    University of Health Sciences Izmir Bozyaka Training and Research Hospital

    PRINCIPAL INVESTIGATOR
  • Seniz Akcay

    University of Health Sciences Izmir Bozyaka Training and Research Hospital

    STUDY DIRECTOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
CROSS SECTIONAL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Medical Doctor, Specialist

Study Record Dates

First Submitted

July 4, 2022

First Posted

July 8, 2022

Study Start

July 15, 2022

Primary Completion

February 15, 2026

Study Completion

February 15, 2026

Last Updated

May 1, 2025

Record last verified: 2025-04

Locations