Objective To update the 2009 Group for Research and Assessment of Psoriasis and Psoriatic
Arthritis (GRAPPA) treatment recommendations for the spectrum of manifestations affecting …

To gain further insight into the genetic architecture of psoriasis, we conducted a meta-analysis
of 3 genome-wide association studies (GWAS) and 2 independent data sets genotyped …

Objective Current treatment options for psoriatic arthritis (PsA) are limited. Leflunomide, an
oral pyrimidine synthesis inhibitor, is highly effective in the treatment of rheumatoid arthritis, …

Methods We systematically searched the MEDLINE database, for the period 1996 to June
30, 2008, and the Cochrane Library using the terms “vitamin D,”“vitamin D deficiency,”“25-…

Objective To estimate the incidence of psoriatic arthritis (PsA) in patients with psoriasis, and
to identify risk factors for its development. Methods The study was designed as a prospective …

Objective To determine whether the presence of psoriatic arthritis (PsA) is associated with
greater comorbidity, in particular cardiovascular morbidity, compared to psoriasis without …

Objective. (1) To determine the prevalence of depression and anxiety in patients with psoriatic
arthritis (PsA) and to identify associated demographic and disease-related factors. (2) To …

Objective. PsA is an inflammatory arthritis present in ∼30% of people with psoriasis (PsC).
Both conditions have a significant impact on quality of life (QoL). Our objective was to test the …

Photo-induced drug eruptions are cutaneous adverse events due to exposure to a drug and
either ultraviolet or visible radiation. Based on their pathogenesis, they can be classified as …

Objective. Biomarkers may be helpful in screening patients with psoriasis for PsA. Our purpose
was to identify serum biomarkers for psoriasis and PsA. Methods. Fifty-two patients with …