SPEAR

Synovial and Peripheral Evaluation in Arthritis Research - SPEAR

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON57953

Enrollment

180

Registered

2025-03-28

Start date

2026-07-01

Completion date

Unknown

Last updated

2026-07-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Arthritis

Interventions

Not applicable.

Eligibility

Age

16 Years to 99 Years

Inclusion criteria

Inclusion criteria: Diagnosis of undifferentiated arthritis (UA), rheumatoid arthritis (RA), osteoarthritis (OA), spondyloarthritis (SpA), psoriatic arthritis (PsA) or juvenile idiopathic arthritis (JIA).Undergoing a joint aspiration during routine care.16 years or older.Able to give informed consent.

Exclusion criteria

Exclusion criteria: Language barrier.

Design outcomes

Primary

Measure	Time frame
To investigate the differences in the ratio of synovial to peripheral immunological proteins among various arthritis subtypes.	—

Secondary

Measure	Time frame
To determine a correlation between treatment and immunological protein abundance.To assess the differential responses of peripheral and synovial cells to stimulation within patients.To assess a correlation between disease activity and immunological protein abundance.	—

Countries

Netherlands

Contacts

Public ContactE. Lubberts

Erasmus MC, Universitair Medisch Centrum Rotterdam

e.lubberts@erasmusmc.nl010-7034602

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP) · Data processed: Jul 23, 2026