Understanding spondyloarthritis over time
Part of Bones, joints & muscles, Immune system & allergy, Skin clinical trials.
This study follows people with spondyloarthritis (an inflammatory arthritis that often affects the spine and joints) and their family members over time to better understand how the disease develops and progresses. It also includes a research stool sample test to learn about gut bacteria.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You must have known or suspected spondyloarthritis (SpA), OR be a family member of someone with SpA.
- If you are a healthy volunteer (control), you need to be at least 6 years old and not pregnant.
- Children as young as 2 can enroll, but those under 6 may need special evaluation.
- Pregnant people with SpA may join but won't be asked to have an MRI or biopsies.
- If you want to join the extra stool (fecal) study, you must already be in another NIH natural history study.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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