Rogani, Greta
Kessler, Haeja
Mehta, Bella
Baker, Elizabeth
Leavis, Helen
Vastert, Sebastiaan
Schulert, Grant
Article History
Received: 17 November 2025
Accepted: 31 March 2026
First Online: 10 April 2026
Declarations
:
: Data collection from Cincinnati Children’s was approved by IRB (CCHMC#1028–2409) and informed consent was obtained from all patients and their parents/guardians. The Utrecht ethical consent was covered under protocols 16–178, 16–474, and 25–0401. Data collection for the Hospital for Special Surgery was approved by IRB - The Established Still’s Disease Cohort (#2022 − 1072).
: Not applicable.
: Bella Mehta: Tonix Pharmaceuticals and Janssen Pharmaceuticals – advisory board (one time only)Helen Leavis: Consultancy Sobi & Novartis (Takeda, Octapharma), Grants (Takeda), CSL BehringBas Vastert: one unrestricted research grant from Sobi, in a public-private grant mechanism with ZonMw (the ESTIS trial), and report consultancy fees from Sobi and Novartis.Grant Schulert: research support from IpiNovyx, consulting fees from SOBI and Novartis.All other authors report no competing interests.