Core Outcome Measures in Effectiveness Trials

Systematic literature review of domains assessed in psoriatic arthritis to inform the update of the psoriatic arthritis core domain set

General Information

The objectives of this systematic literature review (SLR) were to identify domains and outcome measures used in psoriatic arthritis (PsA) studies in the past 5 years, and to compare the measurement of the Outcome Measures in Rheumatology (OMERACT) 2006 PsA Core Domain Set in studies published in 2010-2015 vs those published in 2006-2010. We performed a systematic literature search in two databases, PubMed and Embase, to identify randomised controlled trials (RCTs) in PsA. We also identified PsA longitudinal observational studies (LOS). Three patient research partners provided input into study conception, and data collection and interpretation. We identified 41 studies representing 22 unique RCTs, 27 LOS and 12 registries. Across all studies, we identified 24 domains and 169 outcome measures. In addition to the PsA Core Domain Set (6 domains), the following domains were also assessed in more than 30% of RCTs: acute phase reactants, dactylitis, enthesitis, fatigue and work productivity. We identified a range of 1-15 outcome measures per domain with a mean (SD) of 7 (4.7) per domain. The complete PsA Core Domain Set was assessed in 59% of RCTs in 2010-2015 compared to 23.5% RCTs in 2006-2010. There has been increased measurement of the PsA Core Domain Set in RCTs and LOS in the past 5 years. Numerous additional outcomes were also measured. The PsA Core Domain Set needs an update to standardise PsA outcome assessments. This SLR will inform the development of an updated PsA Core Domain Set with patient research partner input.

Kalyoncu, U. Ogdie, A. Campbell, W. Bingham, C. O., 3rd de Wit, M. Gladman, D. D. Mease, P. Steinkoenig, I. Strand, V. Riese, V. G. Orbai, A. M.


RMD Open
e000217 -
Further Study Information

Funding source(s):

Health Area

Disease Category

Disease Name
Psoriatic arthritis

Target Population

Age Range


Nature / type of Intervention


Systematic review

Stakeholders Involved

Consumers (patients)
Study investigators

Study Type

Systematic review of outcome measures/measurement instruments
Systematic review of outcomes measured in trials

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