Janssen Research & Development, LLC
The purpose of this study is to evaluate the efficacy of icotrokinra (JNJ-77242113) compared to placebo in biologic-experienced and biologic-naive participants with active psoriatic arthritis (PsA) by assessing the reduction in signs and symptoms of PsA.
Inclusion Criteria: * Have active psoriatic arthritis (PsA) despite current or previous use of greater than or equal to (\>=) 1 of the following: a. Non-biologic disease-modifying antirheumatic drug (DMARD) therapy; b. Apremilast therapy; c. Biologic-agent (limited to only 1) * Have a diagnosis of PsA for at least 3 months before the first administration of study intervention and meet classification criteria for Psoriatic Arthritis (CASPAR) at screening * Have active PsA as defined by: (a) At least 3 swollen joints and at least 3 tender joints at screening and at baseline (b) C-reactive prote…
Icotrokinra will be administered.
Placebo will be administered.