A quick test for septic arthritis in kids — could it save joints?

NCT ID NCT03704766

Recruiting now Diagnosis Sponsor: Hospital for Special Surgery, New York Source: ClinicalTrials.gov ↗

First seen Jul 29, 2026 · Last updated Jul 30, 2026 · Updated 1 time

Summary

This study tests whether proteins in joint fluid, such as alpha-defensin, can quickly and accurately detect bacterial joint infections (septic arthritis) in children. Currently, doctors rely on cultures that take days, forcing tough decisions about emergency surgery. The trial compares several experimental tests against standard methods in children with suspected joint infections.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: synovial fluid tests (alpha-defensin, neutrophil elastase, lactate, C-reactive protein)
What this could lead to: If accurate, these tests could help surgeons decide quickly whether a child needs emergency joint surgery, reducing delays and preventing joint damage.
What could go wrong: This is a diagnostic accuracy study, not a treatment trial. The tests may not prove reliable enough to replace current methods, and results may not apply to all children.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

bacterial arthritis infective arthritis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

INFECTION OF HIP JOINT (DISORDER) INFECTION OF SHOULDER JOINT JOINT INFECTION SEPTIC ARTHRITIS

Contacts and locations

Locations

Campbell Clinic
NOT_YET_RECRUITING

Collierville, Tennessee, 38017, United States
Children's Healthcare of Atlanta
RECRUITING

Atlanta, Georgia, 30342, United States
Hospital for Special Surgery
RECRUITING

New York, New York, 10021, United States

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