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RECRUITING
NCT07718815
NA

HLA B Leader in Patients With Psoriatic Arthritis

Sponsor: Centre Hospitalier Universitaire, Amiens

View on ClinicalTrials.gov

Summary

Psoriatic arthritis (PsA), a chronic immune-mediated heterogeneous inflammatory disease characterized by musculoskeletal inflammation (arthritis, enthesitis, spondylitis and dactylitis), usually occurs in patients with psoriasis. The spondyloarthritides (SPs) (of which psoriasis is one) are a group of inflammatory diseases that share an association with the HLA-B27 MHC class I molecule. Given this association, these diseases are classically regarded as disorders of adaptive immunity. In bone marrow donation, HLA-B exon 1 dimorphism (HLAB leader) is associated with risk of graft- versus-host disease, relapse and overall survival after unrelated hematopoietic cell transplantation (UHCT), haploidentical UHCT and cord transplantation. In the literature, there are no studies suggesting the involvement of the HLA B leader gene in MS and RPs. The main aim of this study is to compare the presence of the HLA B leader gene between a group of patients with psoriatic arthritis and a healthy group without inflammatory disease.

Key Details

Gender

All

Age Range

18 Years - Any

Study Type

INTERVENTIONAL

Enrollment

658

Start Date

2025-05-06

Completion Date

2026-09

Last Updated

2026-07-22

Healthy Volunteers

No

Interventions

BIOLOGICAL

blood test

Addition of an extra tube for blood tests (a single tube for genetic research), enabling phenotyping of the HLA B27 and HLA B leader genes.

Locations (1)

CHU Amiens Picardie

Amiens, Picardie, France