Notes

Serological Testing regarding COVID-19, Immunological Security, and also Search for Protecting Antibodies.
New this year were 3 concurrent workshops on ultrasound assessment of joints and entheses, magnetic resonance imaging of psoriatic arthritis, and pustular psoriasis efficacy endpoints; 6 "Meet the Expert" sessions; and facilitated "poster tours." In our prologue, we introduce the papers that summarize this meeting.A summary of the research conducted by the recipients of the 2019 Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA) Research Awards is presented. Dr. Alla Ishchenko's project was "Role of Metabolomics in Diagnosis, Disease Severity, and Progression in Psoriasis and Psoriatic Arthritis A 2-year Prospective Pilot Study" and Dr. Zhenrui Shi's project was "Preclinical Analysis of CCR6 and CCL20 in Mouse and Human Joints, Respectively, as Targets of Therapeutic Intervention in Psoriatic Arthritis."Takayasu arteritis (TA) is a rare inflammatory condition of the large blood vessels that affects the aorta and its branches. Young females of Asian descent are typically the most affected by this disease; however, in the United States, most patients with TA are White1,2,3.Psoriatic arthritis (PsA) presents with diverse features of musculoskeletal inflammation that affect both axial and peripheral joints as well as entheses, tenosynovium, and bursae. Magnetic resonance imaging (MRI) is the imaging modality that is uniquely capable of identifying pathology in all these structures. The Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA) Magnetic Resonance Imaging Working Group has increasingly explored diverse MRI methodologies for the purposes of quantifying inflammatory and structural abnormalities in clinical trials and research. The 2020 GRAPPA virtual workshop presented an opportunity to review progress in the field, summarize the status of MRI scoring systems developed for PsA, and review representative patient cases.Throughout 2020, the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA) has been working to update the GRAPPA treatment recommendations for psoriasis and psoriatic arthritis (PsA). The planned methodology for this update was published previously, and herein we provide an update on progress so far, including details of the systematic literature searches undertaken. GRAPPA is committed to regular updates of its treatment recommendations to incorporate the many significant therapeutic advances that have taken place in the PsA literature since the previous recommendation publication in 2015. The development and updating of treatment recommendations for optimal treatment approaches for patients with PsA has been an important mission of the GRAPPA since its inception. GRAPPA is currently finalizing domain-specific recommendations with an aim to produce updated treatment recommendations for publication in 2021.
Increasing numbers of patients are developing rheumatoid arthritis (RA) at an older age, and optimal treatment of elderly-onset RA (EORA) patients is attracting greater attention. This study aimed to analyze the efficacy and safety of biological/targeted synthetic disease-modifying anti-rheumatic drugs (b/tsDMARDs) in EORA and non-EORA elderly patients.

A cohort of RA patients treated with b/tsDMARDs were retrospectively analyzed. Among patients who were ≥60 years old, those who developed RA after age 60 years were categorized as EORA, while others were categorized as non-EORA elderly. Disease activity were compared between the EORA and non-EORA elderly groups.

In total, 1,040 patients were categorized as EORA and 710 as non-EORA elderly. There were not significant differences in characteristics at baseline between the two groups. The proportion of patients with low and high disease activity was comparable at week 2, 22 and 54 between in the EORA and the non-EORA elderly group. check details There was not significant difference in reasons of the discontinuation of b/tsDMARDs between the two groups. Elderly onset did not affect changes in CDAI and HAQ-DI as well as reasons of the discontinuation between the two groups. The trajectory analysis on CDAI-responses to b/tsDMARDs for 54 weeks identified three response patterns. The proportions of patients categorized into each group and CDAI-response trajectories to b/tsDMARDs were very similar between EORA and non-EORA elderly patients.

CDAI response patterns to b/tsDMARDs and hazard ratio of adverse events were similar between EORA and non-EORA elderly patients.
CDAI response patterns to b/tsDMARDs and hazard ratio of adverse events were similar between EORA and non-EORA elderly patients.Prior to the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA) Annual Meeting in July 2020, a grant writing workshop was held to cover key principles in grant writing for GRAPPA members. In this review of the workshop, we will present key principles discussed.
To present observations on administration of natalizumab to 18 patients with the comorbid MS and psoriasis, who represented a full subset of patients with such comorbidity within the patient records available.

A retrospective analysis of patient records was performed. Patient histories were gathered and included date of diagnosis of MS and psoriasis, MS disease-modifying therapies (DMTs), Expanded Disability Status Scale (EDSS), reason for DMT switch, and effects on MS and psoriasis status.

On initiation of natalizumab, all 18 patients had a complete cessation of MS disease activity (within 2-8 months) with significant patient-reported improvement of psoriasis (within 1-5 months). This improvement was independent of previous MS therapy and led to 15 of 18 patients needing no additional treatment for MS and psoriasis (remaining 3 patients continued to use topical treatments for psoriasis).

In this cohort of 18 patients with comorbid MS and psoriasis, beneficial results on both diseases were observed after initiation of therapy with natalizumab.
In this cohort of 18 patients with comorbid MS and psoriasis, beneficial results on both diseases were observed after initiation of therapy with natalizumab.
To study the factors associated with relapse and functional outcomes in patients with anti-NMDA receptor encephalitis in Western China.

The Outcome of the anti-NMDA receptor Encephalitis Study in Western China was initiated in October 2011 to collect prospective observational data from consecutively enrolled patients with anti-NMDA receptor encephalitis.

We consecutively enrolled 244 patients (median age 26 years, range 9-78 years; females 128 [52.45%]) between October 2011 and September 2019. Fatality occurred in 17 (6.96%) patients, and tumors were found in 38 (15.57%) patients. The median follow-up duration was 40 (6-96) months. Of these patients, 84.8% showed clinical improvements within 4 weeks after immunotherapy, with a median modified Rankin Scale of 2 (interquartile range [IQR] 2-3), and 80.7% (median 1, IQR 0-2) and 85.7% (median 0, IQR 0-1) had substantial recovery (i.e., mild or no residual symptoms) at 12 and 24 months, respectively. The overall prognosis was still improving at 42 months after onset.
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