Rheumatoid factor-negative juvenile idiopathic arthritis
MONDO:0019432Rheumatoid factor-negative polyarthritis is a term used to describe a group of poorly defined heterogenous conditions that incorporates forms of rheumatoid factor-negative polyarthritis and forms of oligoarticular arthritis that become extensive in less than 6 months after onset.
Also known as: juvenile rheumatoid factor-negative polyarthritis, polyarthritis without rheumatoid factor, rheumatoid factor-negative JIA
26 clinical trials for this condition and its sub-types, 2 tagged with Rheumatoid factor-negative juvenile idiopathic arthritis itself.
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Browse by category →Sub-types of Rheumatoid factor-negative juvenile idiopathic arthritis
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Could a simple pill boost knee replacement recovery?
Symptom relief Not yet recruitingThis study tests whether taking tranexamic acid pills for a week after knee replacement surgery helps people recover better. 350 adults having their first knee replacement will receive either the drug or a placebo. Researchers will track pain, stiffness, and function for up to 2 …
Sponsor: NYU Langone Health • Aim: Symptom relief
Last updated Jun 27, 2026 12:00 UTC
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Can sound waves boost arthritis shots?
Symptom relief Not yet recruitingThis study tests whether using ultrasound therapy before a steroid injection into the joint can improve pain and swelling for people with arthritis. About 100 adults with arthritis in their arms or legs will receive the combined treatment. The goal is to see if the ultrasound hel…
Sponsor: Taichung Veterans General Hospital • Aim: Symptom relief
Last updated Jun 27, 2026 08:13 UTC
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New study eyes Tirzepatide's hidden impact on joints and heart
Knowledge-focused Not yet recruitingThis observational study in Mexico will follow 30 adults already taking tirzepatide for conditions like diabetes or obesity. Researchers will use MRI scans of the knees, CT scans of the heart, and body composition tests to see how the drug affects cartilage, heart fat, and overal…
Sponsor: JULIO GRANADOS MONTIEL • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:31 UTC