The purpose of this research study is to evaluate the effectiveness and safety of bimekizumab in individuals with moderate-to-severe psoriasis who have failed similar therapies. Bimekizumab improves psoriasis by suppressing a type of substance found in bodies called...

The main aim of this study is to show how well TAK-279 reduces the skin plaques compared to placebo, in participants with moderate-to-severe plaque psoriasis. Participants will be assigned to one of the 3 study treatments (TAK-279, apremilast (an approved treatment), or...

The purpose of this study is to evaluate the efficacy of guselkumab compared to an inactive drug in participants with low body surface area moderate plaque psoriasis and special site involvement.

Crohn's Disease (CD) is a gastrointestinal disease that can cause chronic diarrhea with or without gross bleeding, abdominal pain, weight loss, and fever. This study will assess the pharmacokinetics, efficacy, and safety of risankizumab in pediatric participants wit...

This is a Phase 2, multicenter, randomized, double-blinded, parallel dose group, placebo-controlled, dose-ranging study to evaluate the efficacy and safety of 3 doses of TLL018 as therapy in 120 participants with moderate-to-severe PP.

This will be a single-center, open-label clinical study to determine the efficacy and safety of secukinumab in the treatment of moderate to severe psoriasis vulgaris in skin of color (SOC) (FST IV-VI). This study will also evaluate the degree of erythema versus hyperpig...

The reason for this study is to see how effective and safe mirikizumab is compared to secukinumab and placebo for moderate to severe plaque psoriasis.

"The purpose of this study is to see if the use of apremilast has an effect on the symptoms and progression of central centrifugal cicatricial alopecia (CCCA). Apremilast is an oral PDE4 inhibitor that has anti-inflammatory properties. It inhibits several substances inv...

This is a Phase 3, multicenter, randomized, placebo-controlled, double-blind study of the efficacy and safety of apremilast (CC-10004) in subjects with moderate to severe plaque psoriasis of the scalp. Approximately 300 subjects with moderate to severe plaque psorias...

The purpose of this study is to further evaluate the safety of infliximab, ustekinumab, and guselkumab in patients with plaque psoriasis, and other all forms of psoriasis (such as plaque psoriasis and psoriatic arthritis occurring together). The registry study will tr...

The purpose of this study is to further evaluate the safety of infliximab, ustekinumab, and guselkumab in patients with plaque and other forms of psoriasis. The study also includes patients receiving other therapies, such as non-biologic and other biologic agents. T...