The main purpose of this study is to describe how well Guselkumab works after switching from Ustekinumab in participants with moderate to severe psoriasis in a routine clinical setting. A long-term skin disease that causes red, scaly and sometimes painful, itchy patches on the skin.
Must have a confirmed diagnosis of moderate-to-severe plaque psoriasis requiring systemic treatment
Participants who are currently being treated with Ustekinumab (either the originator or its biosimilar) and who are medically indicated to switch to Guselkumab, or for whom this switch is medically indicated, based on the current and valid national psoriasis (PsO) therapeutic protocol
Participants who, based on the Investigator's decision, should initiate treatment with Guselkumab
Participants must sign an informed consent form (ICF) allowing for data collection and source data verification in accordance with local requirements
Contraindication or hypersensitivity to Guselkumab or any other ingredient in the injection solution
Pregnancy or breastfeeding
Currently enrolled in an interventional study
Currently enrolled in an observational study sponsored or managed by a Janssen company