This clinical trial is focused on studying moderate to severe plaque psoriasis, a skin condition that causes red, scaly patches on the skin. The study is testing a treatment called bimekizumab, which is given as a solution for injection. Bimekizumab is also known by the code name UCB4940. The purpose of the study is to learn about the safety of bimekizumab, how well it works, and how it moves through the bloodstream in adolescents with this type of psoriasis.
Participants in the study will receive bimekizumab through an injection under the skin. The study will follow participants over a period of time to monitor the levels of the medication in their blood at various points, such as weeks 0, 1, 4, 8, 12, and so on, up to week 124. The study will also look at any side effects that may occur and how the participants’ psoriasis responds to the treatment.
Throughout the study, changes in participants’ health will be observed, including vital signs like blood pressure and heart rate, as well as blood tests to check for any changes in blood cells and chemistry. The study will also assess improvements in the skin condition using specific measures like the Psoriasis Area and Severity Index (PASI) and the Investigator’s Global Assessment (IGA). The goal is to gather comprehensive information on how bimekizumab affects adolescents with moderate to severe plaque psoriasis.



Germany
Poland