A Multicenter, Double-blind, Placebo-controlled, Randomized, Multiple Dose Study to Assess the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Efficacy of JNJ-67484703 in Participants With Active Rheumatoid Arthritis

  • End date
    May 18, 2023
  • participants needed
  • sponsor
    Janssen Research & Development, LLC
Updated on 10 October 2022
body mass index
biologic disease-modifying antirheumatic drug


The purpose of this study is to evaluate safety and tolerability of JNJ-67484703 administrations in participants with active rheumatoid arthritis (RA).


JNJ-67484703 is a humanized immunoglobulin G1 kappa (huIgG1κ) antibody that is being developed as a treatment for systemic autoimmune disorders. The primary hypothesis of this study is that treatment with JNJ-67484703 as compared to placebo will result in a similar tolerability and safety profile, as a measure of participants with abnormalities in vital signs, physical examinations, and laboratory safety tests. This study will be conducted in 3 phases: screening phase (up to 6 weeks), treatment phase (up to 10 weeks), and follow-up phase (up to 14 weeks). The duration of study participation will be approximately 30 weeks. Safety assessment like electrocardiogram (ECG), adverse events will be performed during the study. Efficacy assessment like joint assessments, pain assessments, RA joint pain severity assessment, patient's and physician's global assessment of disease activity, health assessment questionnaires, duration of morning stiffness, functional assessment of chronic illness therapy-fatigue will be performed during the study.

Condition Rheumatoid Arthritis
Treatment Placebo, JNJ-67484703
Clinical Study IdentifierNCT04985812
SponsorJanssen Research & Development, LLC
Last Modified on10 October 2022


Yes No Not Sure

Inclusion Criteria

Demonstrated an inadequate response to, or loss of response or intolerance to: at least 1 conventional synthetic disease-modifying antirheumatic drug (csDMARD) and/or up to 2 biologic DMARD (bDMARD)/targeted synthetic DMARD (tsDMARD)
Medically stable on the basis of physical examination, medical history, vital signs, and 12-lead electrocardiogram (ECG) performed at screening
Have C-reactive protein (CRP) greater than or equal to (>=) 0.3 milligrams per deciliter (mg/dL) at screening
Have a diagnosis of rheumatoid arthritis (RA) (American College of Rheumatology [ACR]/ European League Against Rheumatism [EULAR] criteria 2010)
Body weight within the range of 50.0 kilograms (kg) to 120.0 kg, inclusive, and have a body mass index (BMI) of 19.0 kilograms per meter square (kg/m^2) to 32.0 kg/m^2, inclusive
All women must have a negative highly sensitive serum (beta-human chorionic gonadotropin [beta-hCG]) at screening

Exclusion Criteria

Known allergies, hypersensitivity, or intolerance to any biologic medication or excipients of JNJ-67484703
Has a diagnosed or reported history or current signs or symptoms indicating severe, progressive, or uncontrolled hepatic, renal, cardiac, vascular, pulmonary, gastrointestinal, endocrine, neurologic, hematologic, rheumatologic, psychiatric, or metabolic disturbances
Have other known inflammatory diseases that might confound the evaluations of benefit from JNJ-67484703 therapy
Have a history of any clinically significant adverse reaction to murine or chimeric proteins, including, but not limited to, allergic reactions
Have a history of or currently have felty's syndrome
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Additional screening procedures may be conducted by the study team before you can be confirmed eligible to participate.

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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