Pharmacokinetics of Delgocitinib 20 mg/g Cream in Subjects With Chronic Hand Eczema

The purpose of the trial is to test how much delgocitinib enters the body over a given time period after application of delgocitinib cream in patients with moderate to severe hand eczema. Delgocitinib is a cream that suppresses specific processes in the body's response to diseases like CHE, such as inflammation. Everyone in the trial will use delgocitinib cream. The trial will last up to 7 weeks and there will be 6 visits and a phone call. There will be a screening period of up to 4 weeks, a treatment period (with blood sampling) of 11 days and a safety follow-up phone call 11 days after the last visit.