This clinical trial is focused on studying the effectiveness and safety of a new treatment for individuals with moderate to severe plaque psoriasis. Plaque psoriasis is a skin condition that causes red, scaly patches to appear on the skin. The treatment being tested is a medication known by its code name, JNJ-77242113, which is taken as a film-coated tablet. The study will compare this medication to a placebo to determine how well it works in improving the symptoms of plaque psoriasis.
The purpose of the study is to evaluate how effective JNJ-77242113 is in treating people with moderate to severe plaque psoriasis. Participants in the study will be randomly assigned to receive either the medication or a placebo. The study will involve a period where participants take the medication, followed by a withdrawal phase, and then a possible retreatment phase. This approach helps researchers understand the medication’s long-term effects and how it performs when treatment is paused and then restarted.
Throughout the study, participants will be monitored to assess the improvement in their psoriasis symptoms. The study aims to see if participants achieve a significant reduction in the severity of their skin condition by the end of the treatment period. The trial is designed to ensure that the medication is both effective and safe for those who take it. Participants will be closely observed by medical professionals to track any changes in their condition and to ensure their well-being during the study.



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