Loop PsA Cross-sectional observational study evaluating clinical specialty setting as determinant of management of patients with psoriatic arthritis

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000023510

Enrollment

1200

Registered

2016-08-05

Start date

2016-08-15

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Psoriatic arthritis

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: ?Diagnosed with suspected or established PsA ?Female or male ?Age of 18 years or older ?Signed a patient authorization form to use and disclose personal health information (or informed consent, where applicable) ?Able to read and understand patients questionnaires in provided language

Exclusion criteria

Exclusion criteria: No formal Exclusion criteria exist

Design outcomes

Primary

Measure	Time frame
?Time from inflammatory musculoskeletal symptom onset to PsA diagnosis ?Time from PsA diagnosis to first csDMARD ?Time from PsA diagnosis to first bDMARD ?Time from first csDMARD to first bDMARD	—

Secondary

Measure	Time frame
PsA disease activity ?Joint disease activity (TJC/SJC, enthesitis count and dactylitis count, axial involvement by ASDAS) ?Skin disease activity (PGA, BSA, psoriatic nails count) Disease burden ?Physical function (HAQ-DI score) ?Quality of life (SF12v2.0 score) ?Work productivity (WPAI scores) ?DLQI score	—

Countries

Japan,Asia(except Japan),South America,Europe

Outcome results