Background Observational studies, if conducted appropriately, play an important role in the
decision-making process providing invaluable information on effectiveness, patient-reported …

There have been significant developments in robust tools for assessing outcome in psoriatic
arthritis. Since October 2002, much of the activity in this area has been developed by the …

Abstract Purpose of the Review We will address current treatment and unmet needs in
psoriatic arthritis (PsA), examine existing randomized controlled trials (RCTs), and consider …

Abstract Background Psoriatic arthritis (PsA) is a variable and complex inflammatory
condition. Symptoms can compromise physical function, reduce quality of life, and accrue …

Background It has been estimated that arthritis occurs in 5‐7% of those with psoriasis.
Relatively few clinical trials of treatment are available for psoriatic arthritis and data …

Background Psoriasis frequently requires lifetime control and current therapies vary
significantly in price. High‐quality economic evaluations are necessary to determine if …

The economic assessment of treatment options in a chronic and severe disease like
Psoriatic Arthritis (PsA) is crucial to estimate the burden of costs. In particular, the impact of …

Background Psoriasis is an immune‐mediated disease with either skin or joints
manifestations, or both, and it has a major impact on quality of life. Although there is …

Objective Many outcomes have been proposed in the assessment of psoriatic arthritis (PsA).
The Outcome Measures in Rheumatology (OMERACT) core set for PsA evaluation …

Objective: In 1989, Marks et al. reviewed the different assessment tools employed in the
evaluation of psoriasis severity before 1986. Our objective was to reproduce this seminal …