This study by Mortato et al. enhanced the limited safety data on guselkumab in patients with moderate-to-severe plaque psoriasis who have clinically relevant infectious and oncological comorbidities as well as concomitant heart disease. Authors assessed clinical outcomes and safety of guselkumab in a large cohort of patients with concomitant chronic infection, cancer or heart disease over a long follow-up period, addressing critical gaps in clinical evidence.