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Edina, Minnesota


The purpose of this study is to evaluate the efficacy, safety and tolerability of guselkumab in participants with Active Psoriatic Arthritis (PsA).

Study summary:

This is a multi-center (more than one clinical site will work on a medical research study), randomized (study medication assigned to participants by chance), double-blind (neither investigator nor participant knows which treatment the participant receives), placebo-controlled (placebo is an inactive substance that is compared with a drug to test whether the drug has a real effect in a clinical trial) study to determine the efficacy and safety of guselkumab in participants with PsA. The study will consist of 4 parts: Screening period (6 weeks), a double-blind treatment period (consists of guselkumab and placebo treatment for 24 weeks), an active treatment period (guselkumab for 20 weeks), and follow-up period (12 weeks). The maximal study duration for a participant will not exceed 62 weeks including the Screening period. Eligible participants will be randomly assigned to one of two groups in a 2:1 ratio to either receive Guselkumab 100 milligram (mg) at Weeks 0, 4 then every 8 weeks or Placebo at Weeks 0, 4 then every 8 weeks until Week 24. At week 24, participants remaining in the placebo group will start to receive guselkumab 100 mg at Weeks 24, 28, 36 and 44. Participants in both treatment groups who have less than (<) 5 percent (%) improvement from baseline in both tender and swollen joint counts at Week 16 will qualify for early escape and will switch to open-label therapy with ustekinumab 45 mg or 90 mg at Weeks 16, 20, 32, and 44 based on the approved dosage for the PsA indication in the particular country of study. The efficacy will be assessed primarily by measuring percentage of participants who achieve an American College of Rheumatology (ACR) 20 Response at Week 24. Participants' safety will be monitored throughout the study.


Inclusion Criteria: - Has had Psoriatic Arthritis (PsA) for at least 6 months before the first administration of study drug and meet classification criteria for Psoriatic Arthritis (CASPAR) at Screening - Had active PsA as defined by: 1. At least 3 swollen joints and at least 3 tender joints at Screening and at baseline 2. C-reactive protein (CRP) greater than or equal to (>=) 0.3 milligram (mg)/deciliter (dL) at Screening from the central laboratory - Has at least 1 of the PsA subsets: distal interphalangeal joint involvement, polyarticular arthritis with absence of rheumatoid nodules, arthritis mutilans, asymmetric peripheral arthritis, or spondylitis with peripheral arthritis - Has plaque psoriasis with body surface area (BSA) involvement greater than or equal to (>=) 3% at Screening and baseline - Has active PsA despite current or previous non-biologic disease-modifying antirheumatic drugs (DMARD), oral corticosteroid, and/or nonsteroidal anti-inflammatory drug (NSAID) therapy - If using methotrexate (MTX), oral corticosteroids or NSAIDs, the dose must be stable Exclusion Criteria: - Have other inflammatory diseases that might confound the evaluations of benefit of guselkumab therapy, including but not limited to rheumatoid arthritis (RA), ankylosing spondylitis (AS), systemic lupus erythematosus, or Lyme disease - Has previously received guselkumab or ustekinumab - Has received more than 1 type of biologic anti-tumor necrosis factor (TNF) agent previously - Have received infliximab (or its biosimilars) or golimumab intraveneous (IV) within 12 weeks before the first administration of study drug - Have received adalimumab (or its biosimilars), golimumab subcutaneous (SC), certolizumab pegol or etanercept (or its biosimilars) within 8 weeks before the first administration of study drug



Primary Contact:

Study Director
Janssen Research & Development, LLC Clinical Trial
Janssen Research & Development, LLC

Backup Contact:


Location Contact:

Edina, Minnesota
United States

There is no listed contact information for this specific location.

Site Status: N/A

Data Source: ClinicalTrials.gov

Date Processed: January 21, 2020

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