About the Psoriatic Arthritis Working Group
Psoriatic arthritis (PsA) is an inflammatory musculoskeletal disease occurring in 7–42% of patients with psoriasis. Arthritis, enthesitis, dactylitis, spondylitis, and skin disease result in pain, stiffness, reduced mobility, impairment in physical function, and subsequent disability. PsA is now recognized as a disease that can be serious and progressive despite treatment, resulting in significant physical, psychological, functional, and social impairment.
The updated PsA Core Domain Set was endorsed at OMERACT 2016. Next steps for the PsA working group include evaluation of PsA outcome measures and development of a PsA Core Outcome Measurement Set

Dafna Gladman
Co-Chair

Katy Leung
Co-Chair

Ana-Maria Orbai
Co-Chair

William Tillett
Co-Chair
Anna Antony - Fellow
Heidi Bertheussen - Patient Research Partner
Niti Goel - Patient Research Partner
Lori Schick - Patient Research Partner
Instrument Selection Presentation: Physical function domain for Psoriatic Arthritis (HAQ-DI & SF-36 PF)
OMERACT Endorsed Core Domain Set for Psoriatic Arthritis

Working Group Publications
OMERACT Filter 2.1 instrument selection for physical function domain in psoriatic arthritis: Provisional endorsement for HAQ-DI and SF-36 PF
Endorsement of the 66/68 Joint Count for the Measurement of Musculoskeletal Disease Activity: OMERACT 2018 Psoriatic Arthritis Workshop Report
PsAID12 Provisionally Endorsed at OMERACT 2018 as Core Outcome Measure to Assess Psoriatic Arthritis-specific Health-related Quality of Life in Clinical Trials
Updating the Psoriatic Arthritis (PsA) Core Domain Set: A Report from the PsA Workshop at OMERACT 2016
Working Group Members:
William Tillett
Katy Leung
Ana-Maria Orbai
Dafna Gladman
Lori Schick
Heidi Bertheussen
Niti Goel
Anna Antony
Richard Holland
Ashish Matthew
Philip Mease
Robin Christensen
Laura Coates
Alexis Ogdie
Pil Hoejgaard
Walter Maksymowych
MADA
Vibeke Strand