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Prevalence and risk factors of difficult-to-treat axial spondyloarthritis: Real-life evidence from the BioSTaR database

Crossref DOI link: https://doi.org/10.1007/s10067-026-07926-1

Published Online: 2026-01-19

Published Print: 2026-02

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Bodur, Hatice https://orcid.org/0000-0003-3008-7007
Ataman, Şebnem https://orcid.org/0000-0003-3570-3825
Yurdakul, Fatma Gül https://orcid.org/0000-0001-8630-9233
Gürer, Gülcan https://orcid.org/0000-0001-8287-2264
Akgün, Kenan https://orcid.org/0000-0002-0346-1473
İnceoğlu, Lale Altan https://orcid.org/0000-0002-6453-8382
Sunar, İsmihan https://orcid.org/0000-0002-4435-5677
Akgül, Özgür https://orcid.org/0000-0003-3012-2968
Sezer, İlhan https://orcid.org/0000-0003-1324-2108
Çapkın, Erhan https://orcid.org/0000-0003-2728-5934
Rezvani, Aylin https://orcid.org/0000-0002-5852-3854
Yağcı, İlker https://orcid.org/0000-0002-5988-7369
Duruöz, Mehmet Tuncay https://orcid.org/0000-0003-3584-2788
Çay, Hasan Fatih https://orcid.org/0000-0001-5466-7482
Çevik, Remzi https://orcid.org/0000-0002-4124-1586
Göğüş, Feride https://orcid.org/0000-0003-0921-5991
Kamanlı, Ayhan https://orcid.org/0000-0001-5299-7250
Ecesoy, Hilal https://orcid.org/0000-0001-9274-168X
Güler, Tuba https://orcid.org/0000-0002-7986-931X
Şahin, Nilay https://orcid.org/0000-0001-6062-6935
Cengiz, Gizem https://orcid.org/0000-0002-8143-3048
Melikoğlu, Meltem Alkan https://orcid.org/0000-0001-7519-9470
Funding

Funding for this research was provided by:

Ankara Yıldırım Beyazıt University
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Text and Data Mining valid from 2026-01-19

Version of Record valid from 2026-01-19
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Article History

Received: 25 August 2025

Revised: 5 December 2025

Accepted: 31 December 2025

First Online: 19 January 2026

Declarations

:

: The local ethical committees approved the study on December 13, 2018 (Türkiye Medicines and Medical Devices Agency, 66,175,679–514.99-E.6366, and Republic of Türkiye Ministry of Health, Ankara Provincial Health Directorate, Ankara Numune Training and Research Hospital, Scientific Studies Ethics Committee, E-18–2413). All procedures were conducted in accordance with the Helsinki Declaration (revision dated 2024).

: Written informed consent was taken from the participants or from the legally authorized representatives for the participants who were illiterate or vulnerable.

: All patients gave their informed consent prior to their inclusion in the database and following publications.

: None.

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