Day 3 report from the 2021 RWCS meeting in Maui (and virtually) includes pearls from the PsA 2020 Year in Review; fact vs. fiction on evidence based medicine: diet and rheumatic diseases; hot topics in allergy/immunology; and pediatric rheumatology highlights.

NEJM has reported the results of a trial showing semaglutide once weekly plus lifestyle intervention was associated with sustained, weight loss in overweight or obese adults; such that nearly one-third lost over 20% of their body weight.

The American College of Rheumatology has published a draft guidance on the use of COVID-19 vaccination in rheumatic disease and musculoskeletal disease patients, based on the efforts of the North American Task force. The document provides guidance to rheumatology providers on the use of the COVID-19 vaccine and the associated management of RMD patients around the time of vaccination. Here is a summary of the recommendations.

RNA sequencing and classification of RA subsets has proven useful. RNA sequencing-based stratification of RA synovial tissue showed stronger associations with clinical responses compared with histopathological classification. Additionally, for patients with low or absent B-cell lineage expression signature in synovial tissue, tocilizumab is more effective than rituximab.

While comorbidities are associated with severe COVID-19 infection, it appears they also influence severity and survival in rheumatic disease (RMD), according to a a French cohort study,