This clinical trial is focused on studying the effects of a potential new medicine called JNJ-81241459 for treating individuals with moderate to severe plaque psoriasis. Plaque psoriasis is a skin condition that causes red, scaly patches to appear on the skin. The study aims to evaluate how effective and safe this new medicine is compared to an inactive medicine, also known as a placebo.
Participants in the study will receive either the new medicine JNJ-81241459 or a placebo in the form of tablets. The study will compare different doses of the new medicine to see which is most effective. The treatment period will last for up to 12 weeks, during which participants will take the tablets orally, meaning by mouth. The goal is to determine if the new medicine can significantly improve the symptoms of plaque psoriasis compared to the placebo.
The study is designed to be double-blind, meaning neither the participants nor the researchers will know who is receiving the new medicine or the placebo. This helps ensure that the results are unbiased. The main objective is to see if participants achieve a significant reduction in their psoriasis symptoms by the end of the study period. This trial is an important step in potentially providing a new treatment option for those affected by moderate to severe plaque psoriasis.



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