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Objective: The objective was to develop consensus treatment plans (CTPs) for patients with refractory moderately severe juvenile dermatomyositis (JDM) treated with biologic disease‐modifying antirheumatic drugs (bDMARDs). Methods: The Biologics Workgroup of the Childhood Arthritis and Rheumatology Research Alliance JDM Research Committee used case‐based surveys, consensus framework, and nominal group technique to produce bDMARD CTPs for patients with refractory moderately severe JDM. Results: Four bDMARD CTPs were proposed: tumor necrosis factor α (TNFα) inhibitor (adalimumab or infliximab), abatacept, rituximab, and tocilizumab. Each CTP has different options for dosing and/or route. Among 76 respondents, consensus was achieved for the proposed CTPs (93% [67 of 72]) as well as for patient characteristics, assessments, outcome measures, and follow‐up. By weighted average, respondents indicated that they would most likely administer rituximab, followed by abatacept, TNFα inhibitor, and tocilizumab. Conclusion: CTPs for the administration of bDMARDs in refractory moderately severe JDM were developed using consensus methodology. The implementation of the bDMARD CTPs will lay the groundwork for registry‐based prospective comparative effectiveness studies. [ABSTRACT FROM AUTHOR]

Objective: Musculoskeletal ultrasound (MSUS) is widely used in adult rheumatology practice for diagnosis of arthritis and procedural guidance; however, it is not yet common practice in pediatric rheumatology. MSUS is advantageous to the pediatric population because it lacks radiation and eliminates need for sedation. This study aims to assess interest in, access to, and barriers to MSUS training in pediatric rheumatology fellowship programs in North America. Methods: A survey was developed by pediatric rheumatology providers with experience in medical and/or MSUS education and distributed via REDCap anonymously in March 2022 (Supplementary Material). Eligible participants included current and recently graduated (<1 year) pediatric rheumatology fellows at a North American program. Descriptive statistics and bivariate analyses using design‐based Pearson chi‐squared tests were performed. Results: Overall response rate was 78% (88/113), and 75% reported some form of MSUS training during fellowship. Only 36% indicated their program had a formal MSUS curriculum. Of those with MSUS training, 23% reported adult‐only MSUS education. Eighty‐four percent felt MSUS would be beneficial to their career. Major barriers to MSUS training included lack of MSUS‐trained faculty, lack of time, and lack of hands‐on MSUS sessions. Those who had access to MSUS training were significantly more interested in MSUS than those without (P = 0.0036). Conclusion: This study demonstrates that North American pediatric rheumatology fellows have a strong interest in learning MSUS, but they face significant challenges in accessing MSUS training (lack of MSUS‐trained faculty, time, and access to hands‐on training). MSUS should be incorporated into fellowship curriculum; however, implementation remains a challenge. [ABSTRACT FROM AUTHOR]