Completed
An Open-label, Extension, Phase III Study to Evaluate the Long-term Safety and Efficacy of MRA in Patients With sJIA Who Participated in Studies MRA011JP or MRA316JP
What is being tested
MRA(Tocilizumab)
Drug
Who is being recruted
Arthritis+6
+ Arthritis, Juvenile
+ Autoimmune Diseases
From 2 to 19 Years
+6 Eligibility Criteria
How is the trial designed
Treatment Study
Phase 3
Interventional
Study Start: July 2004
Summary
Principal SponsorChugai Pharmaceutical
Last updated: January 27, 2026
Sourced from a government-validated database.Claim as a partner
Study start date: July 1, 2004
Actual date on which the first participant was enrolled.An open-label, extension, Phase III study to evaluate the long-term safety and efficacy of MRA in patients with sJIA who were participated in Studies MRA011JP or MRA316JP
Official TitleAn Open-label, Extension, Phase III Study to Evaluate the Long-term Safety and Efficacy of MRA in Patients With sJIA Who Participated in Studies MRA011JP or MRA316JP
Principal SponsorChugai Pharmaceutical
Last updated: January 27, 2026
Sourced from a government-validated database.Claim as a partner
Protocol
This section provides details of the study plan, including how the study is designed and what the study is measuring.Design Details
60 patients to be enrolled
Total number of participants that the clinical trial aims to recruit.Treatment Study
These studies test new ways to treat a disease, condition, or health issue. The goal is to see if a new drug, therapy, or approach works better or has fewer side effects than existing options.
Eligibility
Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.Conditions
Criteria
Any sex
Biological sex of participants that are eligible to enroll.From 2 to 19 Years
Range of ages for which participants are eligible to join.Healthy volunteers not allowed
If individuals who are healthy and do not have the condition being studied can participate.Conditions
Pathology
ArthritisArthritis, JuvenileAutoimmune DiseasesConnective Tissue DiseasesImmune System DiseasesJoint DiseasesMusculoskeletal DiseasesRheumatic DiseasesSkin and Connective Tissue Diseases
Criteria
4 inclusion criteria required to participate
Of the patients who received the three infusions of MRA at the same dose in the main evaluation period in the previous study and are currently in the continued treatment period
the patients in whom it is confirmed that the drug is effective and there are no problems with safety (MRA316JP patients)
Patients who proceed to the blind period and in whom the last observations are done after study completion or withdrawal
Patients who receive the three infusions in the open-label period and do not meet the criteria for transition to the blind period
2 exclusion criteria prevent from participating
Patients who were not enrolled by 3 months after completion of the previous study
Patients who have been treated with infliximab or etanercept from completion of the previous study until the start of treatment in this study
Study Plan
Find out more about all the medication administered in this study, their detailed description and what they involve.Treatment Groups
Study Objectives
One single intervention group is designated in this study
This study does not include a placebo group
Treatment Groups
Group I
ExperimentalStudy Objectives
Primary Objectives
Secondary Objectives
Study Centers
These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.This study has no location dataSave this study to your profile to know when the location data is available.
CompletedNo study centers