Regierer, Anne C. https://orcid.org/0000-0003-2456-4049
Karberg, Kirsten https://orcid.org/0000-0002-1362-7326
von der Decken, Cay-Benedict https://orcid.org/0000-0001-9780-7174
Lembke, Stephanie https://orcid.org/0000-0003-0426-0312
Veltri, Carlo https://orcid.org/0009-0006-8726-3293
Englbrecht, Matthias https://orcid.org/0000-0003-0228-7183
Callhoff, Johanna https://orcid.org/0000-0002-3923-2728
Kleinert, Stefan https://orcid.org/0000-0002-2588-7547
Funding for this research was provided by:
Deutsches Rheuma-Forschungszentrum Berlin (DRFZ)
Article History
Received: 17 April 2025
Accepted: 19 July 2025
First Online: 5 August 2025
Declarations
:
: All authors have declared no conflicts of interest in relation to this analysis.
: RABBIT-SpA received approval by the ethics committee of the Charité-Universitätsmedizin Berlin (#EA1/246/16). Ethics approval for the National Database of the Arthritis centres (NDB) was granted by the ethics committee of the Charité-Universitätsmedizin Berlin (EA1/196/06). RheumaDatenRhePort (RHADAR): Ethics approval for the study was not required by the Ethics Committee of the Bavarian State Medical Association, as it was a non-interventional quality assurance evaluation of routine medical care.
: Patient consent: Written informed consent was obtained in person prior to participation. Each participant received a detailed information sheet and had the opportunity to ask questions before signing the consent form.