Natural History and Development of Spondyloarthritis

  • STATUS
    Recruiting
  • participants needed
    2000
  • sponsor
    National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
Updated on 13 October 2021
psoriasis
aspiration
stiffness
arthritis
spondyloarthropathy
joint pain
arthropathy
arthralgia

Summary

Background
  • Spondyloarthritis (SpA) is a group of bone and joint disorders that may cause back and joint pain and stiffness. In some cases, SpA can lead to abnormal bone growth affecting the joints and spine. Some patients have SpA without ever developing these growths, while others develop them after only a few years. Researchers are interested in studying people with SpA and their relatives to determine which people are more likely to develop more severe conditions.
    Objectives
  • To identify symptoms and medical tests that can help determine whether a person with SpA is at risk for developing more severe forms of the disease.
    Eligibility
  • Individuals of any age who have been diagnosed with SpA.
  • Healthy volunteer relatives (at least 6 years of age) of the individuals with SpA.
    Design
  • Participants will be screened with medical records and family medical histories, and will be invited to the clinical center for the study.
  • Participants with SpA will have a physical exam and medical history, including a study of joint movement, blood and urine tests, and questionnaires about pain and quality of life.
  • Participants with SpA will have imaging studies, including magnetic resonance imaging (MRI). Other samples such as skin tissue and bone marrow may also be collected for study.
  • Healthy volunteers will provide a blood sample and cheek cell samples.
  • No treatment will be provided, although treatment options will be discussed.

Description

The purpose of this protocol is to study the natural history of spondyloarthritis (SpA) in children and adults. Spondyloarthritis encompasses a spectrum of immune-mediated inflammatory diseases that exhibit overlapping features, but differ from other types of inflammatory arthritis in genetic predisposition, pathogenesis, and outcome. Ankylosing spondylitis (AS), the most common form of SpA, frequently begins in an undifferentiated form with back pain and stiffness in adults, and leads to aberrant ossification and ankylosis (fusion) of the spine. In children, SpA rarely presents with back pain, but instead often begins with pain and stiffness in the hips and knees due to arthritis. Enthesitis, or inflammation where tendons and ligaments connect to bones, is more common in children. Our ability to recognize early forms of AS involving the axial skeleton, particularly in children, and our understanding of the cause and progression of this disease, is limited.

The goals of this natural history protocol are to establish a cohort of pediatric and adult patients with SpA to prospectively evaluate the signs and symptoms, magnetic resonance imaging (MRI) and X-ray findings, and bone and inflammatory biomarkers associated with axial disease. We will study pathogenic mechanisms including the role of AS susceptibility genes and their variants in causing disease, and will identify patients for possible entry into future treatment studies.

Patients enrolled in this protocol will undergo a history, physical examination, imaging studies, and laboratory evaluation. When clinically indicated, patients may also be evaluated for extra-articular manifestations such as acute anterior uveitis, psoriasis or other skin problems, and inflammatory bowel disease. Peripheral blood samples will be collected from affected patients, unrelated healthy volunteers, and in some cases unaffected family members to help identify and study the genes involved in SpA and their functions. We may ask some subjects to undergo skin biopsy or bone marrow aspiration for research purposes, or to provide a stool

sample for analysis of microbiota. For some patients and family members, we may ask permission to perform whole genome or exome sequencing. Fibroblasts and/or peripheral blood cells obtained from patients will be induced to become pluripotent stem cells that can be maintained indefinitely in culture and differentiated into cell types that are relevant to pathogenesis. Successful completion of these studies will allow rheumatologists to better recognize early SpA with axial involvement, particularly in children, and will improve our understanding of disease pathogenesis.

Details
Condition Ankylosing spondylitis, Arthritis, Arthritis and Arthritic Pain, Arthritis and Arthritic Pain (Pediatric), inflammatory arthritis
Clinical Study IdentifierNCT01422694
SponsorNational Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
Last Modified on13 October 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Subjects must be enrolled on another NIH natural history protocol, including either 14-AR-0200 (Studies on the Natural History, Pathogenesis and Outcome of Idiopathic Systemic Vasculitis, P. Grayson PI); 18-AR-0081 (Investigation of the Natural History, Genetics, and Pathophysiology of Systemic Juvenile Idiopathic Arthritis, Adult-Onset Still s Disease and Related Inflammatory Conditions, M. Ombrello PI), or 94-E-0165 (Studies in the Natural History and Pathogenesis of Childhood-Onset and Adult-Onset Idiopathic Inflammatory Myopathies, Lisa Rider PI), and meet the respective protocol s criteria for a diagnosis of systemic vasculitis, systemic juvenile idiopathic arthritis, or dermatomyositis
Subjects with definite SpA enrolled on 11-AR-0223 are eligible for the Fecal Microbiota sub-study
Healthy volunteers enrolled on the above protocols are also eligible

Exclusion Criteria

Inability to provide informed consent or, in the case of minors, unavailability of a parent or guardian
Presence of any medical condition that would, in the opinion of the investigators, expose subjects to more than minimal risk, or confuse the interpretation of the study
Pregnant women are excluded from enrolling
Subjects (including healthy volunteers) less than 4 years of age are excluded due to the challenging practical considerations of collecting stool samples, and because spondyloarthritis is much less common in this age group
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