Science archivePublished 14 August 2025Two cases of severe childhood-onset psoriasis successfully treated with risankizumab in patients with Down syndrome and morbid obesityYoshiaki Hara · Tomomitsu Miyagaki · Tatsuro Okano · Takafumi Kadono · Hidenori WatabeJournal of Cutaneous Immunology and Allergydoi 10.3389/jcia.2025.15043