A Study to Evaluate the Efficacy, Safety and Pharmacokinetics/Pharmacodynamics (PK/PD) of Ocrelizumab in Patients With Rheumatoid Arthritis

Summary

This study will evaluate the efficacy, safety and PK/PD of ocrelizumab at each dose in combination with methotrexate（MTX）in patients with active rheumatoid arthritis (RA). The data from this study will also be compared with those from a clinical study of ocrelizumab in patients with active RA that was conducted in the U.S.

Timeline

Start

2008-10

Primary completion

2010-02

Completion

2015-03

Outcome

Met primary endpoint

paper 54.1% (p = 0.0080), 55.6% (p = 0.0056), and 47.2% (p = 0.044), respectively, all significantly higher than that of the placebo group (25.0%). PMID 22247354 ↗

Publications

• Harigai M, Tanaka Y, Maisawa S; JA21963 Study Group. Safety and efficacy of various dosages of ocrelizumab in Japanese patients with rheumatoid arthritis with an inadequate response to methotrexate therapy: a placebo-controlled double-blind parallel-group study. J Rheumatol. 2012 Mar;39(3):486-95. doi: 10.3899/jrheum.110994. Epub 2012 Jan 15.

Drugs

Indications