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Background: Resources to improve antimicrobial stewardship (AS) are limited, but a telestewardship platform can enable capacity building and scalability. The Alberta Telestewardship Network (ATeleNet) was designed to focus on outreach across the province of Alberta, Canada, and facilitate AS activities. Methods: Outreach occurred virtually between pharmacists and physicians in hospital and long-term care settings throughout Alberta via secure, enterprise video conferencing software on both desktop and mobile devices. We used a quantitative questionnaire adapted from the telehealth usability questionnaire to capture the health provider’s experience during each session. The questionnaire consisted of 39 questions, and a 5-point Likert scale was used to assess the degree of agreement and collate responses into a descriptive analysis. Results: A total of 33 pilot consultations were completed between July 6, 2020 and December 15, 2021. The majority (22, 85%) of respondents agreed that video conference-based virtual sessions are an acceptable means to provide health care and that they were able to express themselves effectively to other health care professionals (23, 88%). Respondents agreed the system was simple to use (23, 96%), and that they could become productive quickly using the system (23, 88%). Overall, 24 (92%) respondents were satisfied or very satisfied with the virtual care platform. Conclusions: We implemented and evaluated a telehealth consultation and collaborative care service between AS providers at multiple centres. AHS has since prioritized similar workflows, including access to specialists in acute care, as part of their virtual health strategy. Evaluation results will be shared with provincial stakeholders for further strategic planning and deployment.

Clinical manifestations of thyroid eye disease (TED) are mainly caused by the binding of immunoglobulin G (IgG) thyrotropin receptors (TSHR) autoantibodies (TSHR-Ab) on orbital fibroblasts. Batoclimab (IMVT-1401) is an anti-neonatal Fc receptor (FcRn) human monoclonal antibody that prevents normal IgG recycling, leading to reduced levels of circulating IgG. Thus, batoclimab may provide benefit for patients with TED by reducing pathogenic anti-TSHR-Ab. In this Phase 2b, double-blind, randomized study (NCT03938545), subjects with active and moderate-to-severe TED received weekly subcutaneous (SC) injections of batoclimab (680mg, 340mg, 255mg) or placebo for 12-weeksSixty-five subjects were randomized and received batoclimab (680mg [n=18], 340mg [n=19], 255mg [n=10]) or placebo (n=18). Recruitment and treatment were stopped because of an unanticipated increase in LDL cholesterol levels, not included in subject informed consent. Hence, forty-five of 77 planned subjects completed the 12-week treatment period. Serum IgG and anti-TSHR-Ab were reduced from baseline to Week-12 with batoclimab (680mg [-77.9%; -65.5%], 340mg [-65.8%; -70.1%], 255mg [-56.6%; -42.1%]) versus placebo (-4.67%; -3.23%), respectively. Substantial reductions were also observed at Week-12 in stimulatory anti-TSHR-Ab. Fifty-one of 65 subjects had proptosis ≥ upper level of normal at baseline. At Week-12 (primary outcome), greater proportions of 680mg (30%; p=0.2197) and 340mg (30.8%; p=0.1311) subjects were proptosis responders (≥2mm reduction) versus placebo (8.3%). Absolute risk reduction (ARR [95% CI]) versus placebo was 21.4 (-11.3, 54.1) for 680mg and 24.2 (-4.8, 53.2) for 340mg at Week 12. Earlier proptosis responses were statistically different from placebo for 680mg at Weeks-four (35.7%; ARR [95% CI] 36.0 [10.9, 61.1]), five (42.9%; 43.0 [17.1, 68.9]), and 11 (41.7%; 34.5 [3.4, 65.6]) and for 340mg at Weeks-five (29.4%; 29.6 [7.9, 51.3]), nine(35.7%; 30.6 [3.0, 58.2]), and 11 (46.2%; 40.2 [10.2, 70.1]) (all p Presentation: Saturday, June 11, 2022 1:00 p.m. - 3:00 p.m., Monday, June 13, 2022 12:54 p.m. - 12:59 p.m.