Axial Involvement in Psoriatic Arthritis cohort (AXIS): the protocol of a joint project of the Assessment of SpondyloArthritis international Society (ASAS) and the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA).
Denis PoddubnyyXenofon BaraliakosFilip Van den BoschJürgen BraunLaura C CoatesVinod ChandranTorsten DiekhoffFloris A van GaalenLianne S GenslerNiti GoelAlice B GottliebDésirée van der HeijdePhilip S HelliwellKay Geert A HermannDeepak JadonRobert G LambertWalter P MaksymowychPhilip MeasePeter NashFabian ProftMikhail ProtopopovJoachim SieperMurat TorğutalpDafna D GladmanPublished in: Therapeutic advances in musculoskeletal disease (2021)
The study will be performed according to the ethical principles of the Declaration of Helsinki and International Council for Harmonisation Good Clinical Practice guidelines. The study protocol will be approved by the individual Independent Ethics Committee / Institutional Review Board of participating centers. Written informed consent will be obtained from all included patients.Registration: ClinicalTrials.gov ID: NCT04434885.