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Phase III Comparative Study(Open-Label) of MRA for Rheumatoid Arthritis(RA)

This study has been completed.
Information provided by:
Chugai Pharmaceutical Identifier:
First received: September 2, 2005
Last updated: January 30, 2009
Last verified: January 2009

To evaluate clinical efficacy and tolerability of MRA, patients with RA are randomized to receive either MRA or conventional DMARDs.

Condition Intervention Phase
Rheumatoid Arthritis
Drug: MRA (Tocilizumab)
Other: current treatment
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: An Open-Label, Phase III Study to Evaluate the Efficacy and Safety of MRA in Patients With RA

Resource links provided by NLM:

Further study details as provided by Chugai Pharmaceutical:

Primary Outcome Measures:
  • Change in the erosion score, as determined by the modified Sharp method. [ Time Frame: week 52 ] [ Designated as safety issue: No ]
  • Frequency and severity of adverse events and adverse drug reactions [ Time Frame: throughout study ] [ Designated as safety issue: Yes ]

Secondary Outcome Measures:
  • Change in the erosion score [ Time Frame: week 28 ] [ Designated as safety issue: No ]
  • Changes in the joint space narrowing score and total Sharp score [ Time Frame: week 28, 52 ] [ Designated as safety issue: No ]

Enrollment: 306
Study Start Date: March 2003
Study Completion Date: February 2006
Primary Completion Date: May 2004 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1 Drug: MRA (Tocilizumab)
8mg /kg /4week for 52 weeks
continue current treatment
Other: current treatment
continue current treatment


Ages Eligible for Study:   20 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion criteria

  • Diagnosed as having RA, on the basis of the criteria stipulated by the American Conference on Rheumatism (ACR) in 1987.
  • With RA that has continued for at least 6 months but less than 5 years, with the date of first appearance being taken as the date of RA diagnosis.
  • Active RA despite at least one DMARD or immunosuppressant. Active disease is defined as having at least 6 tender and 6 swollen joints among 49 and 46 joints stipulated by the Japanese Rheumatism Foundation's Drug Evaluation Committee and ESR at least 30 mm/hr and CRP not less than 2.0mg/dL.

Exclusion criteria

  • Shown to have class-IV Steinbrocker's functional activity in an evaluation carried out within 4 weeks before administration of the study drug.
  • Treated with drugs that delay joint destruction (infliximab, etanercept, leflunomide, etc.) within 3 months before administration of the study drug.
  • The oral corticosteroid dose (prednisolone equivalent of up to 10 mg/day)has not been fixed 2 weeks before administration of the study drug.
  • Subjected to any of the following within 4 weeks before administration of the study drug: (i) Change in dosage of currently administered DMARDs and/or immunosuppressive agents. (ii) Plasma exchange method. (iii) Surgical treatment (operations, etc.).
  Contacts and Locations
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, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00144508

Sponsors and Collaborators
Chugai Pharmaceutical
Study Director: Takahiro Kakehi Chugai Pharmaceutical
  More Information

No publications provided

Responsible Party: Chugai Pharmaceutical Identifier: NCT00144508     History of Changes
Other Study ID Numbers: MRA012JP
Study First Received: September 2, 2005
Last Updated: January 30, 2009
Health Authority: Japan: Ministry of Health, Labor and Welfare

Additional relevant MeSH terms:
Arthritis, Rheumatoid
Autoimmune Diseases
Connective Tissue Diseases
Immune System Diseases
Joint Diseases
Musculoskeletal Diseases
Rheumatic Diseases processed this record on November 20, 2014