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Dargestellt sind die Ergebnisse der Kerndokumentation der regionalen kooperativen Rheumazentren des Jahres 2021. Es gibt Angaben zur Krankheitsaktivität, Medikation und nicht-medikamentöser Behandlung. Viele Patient:innen-berichtete Angaben zur Funktionskapazität, dem Krankheitseinfluss, depressiven Symptomen und weitere sind angegeben.

Supplemental material, sj-docx-1-tab-10.1177_1759720X221085951 for Validation of the ASDAS with a quick quantitative CRP assay (ASDAS-Q) in patients with axial SpA: a prospective multicentre cross-sectional study by Fabian Proft, Julia Schally, Henning Christian Brandt, Jan Brandt-Juergens, Gerd Rüdiger Burmester, Hildrun Haibel, Henriette Käding, Kirsten Karberg, Susanne Lüders, Burkhard Muche, Mikhail Protopopov, Judith Rademacher, Valeria Rios Rodriguez, Murat Torgutalp, Maryna Verba, Silke Zinke and Denis Poddubnyy in Therapeutic Advances in Musculoskeletal Disease

Supplemental material, sj-docx-1-tab-10.1177_1759720X221085951 for Validation of the ASDAS with a quick quantitative CRP assay (ASDAS-Q) in patients with axial SpA: a prospective multicentre cross-sectional study by Fabian Proft, Julia Schally, Henning Christian Brandt, Jan Brandt-Juergens, Gerd Rüdiger Burmester, Hildrun Haibel, Henriette Käding, Kirsten Karberg, Susanne Lüders, Burkhard Muche, Mikhail Protopopov, Judith Rademacher, Valeria Rios Rodriguez, Murat Torgutalp, Maryna Verba, Silke Zinke and Denis Poddubnyy in Therapeutic Advances in Musculoskeletal Disease

Supplemental material, sj-docx-1-tab-10.1177_1759720X221114107 for Validation of the Simplified Disease Activity Index (SDAI) with a quick quantitative C-reactive protein assay (SDAI-Q) in patients with rheumatoid arthritis: a prospective multicenter cross-sectional study by Julia Schally, Henning Christian Brandt, Jan Brandt-Jürgens, Gerd R. Burmester, Hildrun Haibel, Henriette Käding, Kirsten Karberg, Susanne Lüders, Burkhard Muche, Mikhail Protopopov, Valeria Rios Rodriguez, Murat Torgutalp, Maryna Verba, Silke Zinke, Denis Poddubnyy and Fabian Proft in Therapeutic Advances in Musculoskeletal Disease

Background: Vaccination is considered as most efficient strategy in controlling SARS-CoV-2 pandemic spread. Nevertheless, patients with autoimmune inflammatory rheumatic diseases receiving rituximab (RTX) are at increased risk to fail humoral and cellular responses upon vaccination. The ability to predict vaccination responses is essential to guide adequate safety and optimal protection in these patients. Methods: B- and T- cell data before vaccination were evaluated for characteristics predicting vaccine responses in altogether 15 patients with autoimmune inflammatory rheumatic diseases receiving RTX. Eleven patients with rheumatoid arthritis (RA) on other therapies, 11 kidney transplant recipients (KTR) on regular immunosuppression and 15 healthy controls (HC) served as controls. A multidimensional analysis of B cell subsets via UMAP algorithm and a correlation matrix were performed in order to identify predictive markers of response in patients under RTX therapy. Results: Significant differences regarding absolute B cell counts and specific subset distribution pattern between the groups were identified at baseline. In this context, the majority of B cells from vaccination responders of the RTX group (RTX IgG+) were naïve and transitional B cells, whereas vaccination non-responders (RTX IgG-) carried preferentially plasmablasts and double negative (CD27-IgD-) B cells. Moreover, there was a positive correlation between neutralizing antibodies and B cells expressing HLA-DR and CXCR5 as well as an inverse correlation with CD95 expression and CD21low expression by B cells among vaccination responders. Summary: Substantial repopulation of the naïve B cell compartment after RTX therapy appeared to be essential for an adequate vaccination response, which seem to require the additional capability of antigen presentation and germinal center formation. Moreover, expression of exhaustion markers represent negative predictors of vaccination responses.