Long-term Treatment Study of MRA for Systemic Juvenile Idiopathic Arthritis (sJIA)
![]() |
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT00144612 |
Recruitment Status :
Completed
First Posted : September 5, 2005
Last Update Posted : December 23, 2009
|
- Study Details
- Tabular View
- No Results Posted
- Disclaimer
- How to Read a Study Record
Condition or disease | Intervention/treatment | Phase |
---|---|---|
Systemic Juvenile Idiopathic Arthritis | Drug: MRA(Tocilizumab) | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 60 participants |
Allocation: | Non-Randomized |
Intervention Model: | Single Group Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | 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 |
Study Start Date : | July 2004 |
Actual Primary Completion Date : | June 2005 |
Actual Study Completion Date : | June 2009 |

Arm | Intervention/treatment |
---|---|
Experimental: 1 |
Drug: MRA(Tocilizumab)
8mg/kg/2weeks |
- Efficacy:Percentage of patients showing 30% improvement in the JIA core set compared with before the first infusion of the investigational product (including the previous study) [ Time Frame: whole period ]
- Safety:Incidence and severity of adverse events and adverse reactions [ Time Frame: whole period ]
- Pharmacokinetics:The time profile of the trough serum MRA concentration at 0W, then every 2Wks [ Time Frame: 0 week and every 2 weeks ]
- Efficacy:Time profiles of CRP and ESR, percentage of patients showing 30%, 50%, and 70% improvement in the JIA core set, JIA core set variables, pain, corticosteroid dose at 0W, then every 2Wks [ Time Frame: 0 week and every 2 weeks ]

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 2 Years to 19 Years (Child, Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion criteria (MRA011JP patients)
- 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
Exclusion criteria
- 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

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00144612
Study Director: | Takahiro Kakehi | Chugai Pharmaceutical |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | Chugai Pharmaceutical |
ClinicalTrials.gov Identifier: | NCT00144612 History of Changes |
Other Study ID Numbers: |
MRA317JP |
First Posted: | September 5, 2005 Key Record Dates |
Last Update Posted: | December 23, 2009 |
Last Verified: | December 2009 |
Additional relevant MeSH terms:
Arthritis Arthritis, Juvenile Joint Diseases Musculoskeletal Diseases |
Rheumatic Diseases Connective Tissue Diseases Autoimmune Diseases Immune System Diseases |