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Objective. Tofacitinib (TOF) is the first Janus kinase (JAK) inhibitor approved for psoriatic arthritis (PsA). It has shown efficacy in patients refractory to anti-tumor necrosis factor-alpha in randomized controlled trials (RCTs). Our aim was to assess efficacy and safety of TOF in clinical practice. Methods. This was an observational, open-label multicenter study of PsA patients treated with TOF due to inefficacy or adverse events of previous therapies. Outcome variables were efficacy, corticosteroid dose-sparing effect, retention rate, and safety. A comparative study of clinical features between our cohort of patients and those from the OPAL Beyond trial was performed. Results. There were 87 patients (28 women/59 men), with a mean age of 52.8 +/- 11.4 years. All patients were refractory to biologic disease-modifying antirheumatic drugs (DMARDs) and/or to conventional synthetic DMARDs plus apremilast. TOF was started at 5 mg twice daily after a mean follow-up of 12.3 +/- 9.3 years from PsA diagnosis. At first month, Disease Activity Score in 28 joints based on erythrocyte sedimentation rate (DAS28-ESR) decreased from median 4.8 (IQR 4.1-5.4) to 3.7 (IQR 2.8-4.7, P < 0.01), Disease Activity Index for Psoriatic Arthritis from median 28 (IQR 18.4-34.1) to 15.5 (IQR 10.1-25.7, P < 0.01), and C-reactive protein from median 1.9 (IQR 0.3-5.0) to 0.5 (IQR 0.1-2.2) mg/dL (P < 0.01). Also, TOF led to a significant reduction in prednisone dose. Mild adverse effects were reported in 21 patients (24.13%), mainly gastrointestinal symptoms. TOF retention rate at Month 6 was 77% (95% CI 65.2-86.3). Patients in clinical practice were older with longer disease duration and received biologic agents more commonly than those in the OPAL Beyond trial. Conclusion. Data from clinical practice confirm that TOF seems to be effective, rapid, and relatively safe in refractory PsA despite clinical differences with patients in RCTs.

Objective. Tofacitinib (TOF) is the first Janus kinase (JAK) inhibitor approved for psoriatic arthritis (PsA). It has shown efficacy in patients refractory to anti-tumor necrosis factor-alpha in randomized controlled trials (RCTs). Our aim was to assess efficacy and safety of TOF in clinical practice. Methods. This was an observational, open-label multicenter study of PsA patients treated with TOF due to inefficacy or adverse events of previous therapies. Outcome variables were efficacy, corticosteroid dose-sparing effect, retention rate, and safety. A comparative study of clinical features between our cohort of patients and those from the OPAL Beyond trial was performed. Results. There were 87 patients (28 women/59 men), with a mean age of 52.8 +/- 11.4 years. All patients were refractory to biologic disease-modifying antirheumatic drugs (DMARDs) and/or to conventional synthetic DMARDs plus apremilast. TOF was started at 5 mg twice daily after a mean follow-up of 12.3 +/- 9.3 years from PsA diagnosis. At first month, Disease Activity Score in 28 joints based on erythrocyte sedimentation rate (DAS28-ESR) decreased from median 4.8 (IQR 4.1-5.4) to 3.7 (IQR 2.8-4.7, P < 0.01), Disease Activity Index for Psoriatic Arthritis from median 28 (IQR 18.4-34.1) to 15.5 (IQR 10.1-25.7, P < 0.01), and C-reactive protein from median 1.9 (IQR 0.3-5.0) to 0.5 (IQR 0.1-2.2) mg/dL (P < 0.01). Also, TOF led to a significant reduction in prednisone dose. Mild adverse effects were reported in 21 patients (24.13%), mainly gastrointestinal symptoms. TOF retention rate at Month 6 was 77% (95% CI 65.2-86.3). Patients in clinical practice were older with longer disease duration and received biologic agents more commonly than those in the OPAL Beyond trial. Conclusion. Data from clinical practice confirm that TOF seems to be effective, rapid, and relatively safe in refractory PsA despite clinical differences with patients in RCTs.

To describe the methodology of REAPSER (Spanish Registry of Recent-onset Psoriatic Arthritis), its strengths and limitations. The aim of this study is to identify prognostic factors for the clinical and radiographic course in a cohort of patients with psoriatic arthritis (PsA) diagnosed within 2years of symptom evolution.Multicenter, observational and prospective study (with 2-year follow-up including annual visits). Baseline visit intended to reflect patient situation before the disease course was modified by treatments prescribed in rheumatology departments. Patients were invited to participate consecutively in one of their routine visits to the rheumatologist. 211 patients were included. Following data were collected: sociodemographic variables; employment situation; family history; personal history and comorbidities; anthropometric data; lifestyle; use of healthcare services; clinical situation at the time of PsA diagnosis; joint involvement and spinal pain; pain and overall assessment; enthesitis, dactylitis and uveitis; skin and nail involvement; functional situation and quality of life; radiographic evaluation; analytical determinations; treatment; axial and peripheral flare-ups.The REAPSER study includes a cohort of patients with recent-onset PsA, before the disease course was modified by disease-modifying antirheumatic drugs prescribed in rheumatology departments. Exhaustive information collected in each visit is expected to be an important data source for future analysis.

To determine the relationship between anthropometric measurements and disease activity, functional capacity, quality of life and radiology in Spanish patients with ankylosing spondylitis (AS).A cross-sectional study was made of 842 patients with definite ankylosing spondylitis (REGISPONSER). Sociodemographic data, spinal mobility measurements, Bath AS disease activity index (BASDAI), nocturnal pain, Bath AS radiology index (BASRI), Bath AS functional index (BASFI), the Short-Format 12 (SF-12) and the AS specific quality of life (ASQoL) questionnaire were applied. Pearson correlation coefficient analysis and regression models were constructed.There was moderate correlation between fingertip-to-floor distance and lateral cervical rotation with the BASFI (p0.01). Good correlation was evident between wall-occiput distance and lateral cervical rotation with the BASRI (p0.01). Moderate correlation was found between chest expansion, the Schober modified test and fingertip-to-floor distance with the total BASRI (p0.01). The anthropometric measurement with the lowest correlation value was lateral lumbar flexion. Significant association was found between the Schober modified test and BASFI, BASDAI and BASRI (R(2) = 0.37; p0.001); chest expansion and BASFI, BASDAI and BASRI (R(2) = 0.25; p0.001); wall-occiput distance and BASFI, BASRI and ASQoL (R(2) = 0.44; p0.001); fingertip-to-floor distance and BASFI and BASRI (R(2) = 0.30; p0.001); and lateral cervical rotation and BASFI and BASRI (R(2) = 0.34; p0.001).In our study, wall-occiput distance and lateral cervical rotation showed the strongest correlation to BASRI. Similarly, fingertip-to-floor distance and lateral cervical rotation exhibited the closest correlation to BASFI.