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Mod Rheumatol. 2014 Sep;24(5):715-24. doi: 10.3109/14397595.2013.864224. Epub 2013 Dec 9.

Efficacy and safety of certolizumab pegol plus methotrexate in Japanese rheumatoid arthritis patients with an inadequate response to methotrexate: the J-RAPID randomized, placebo-controlled trial.

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1
Department of Allergy and Rheumatology, Graduate School of Medicine, The University of Tokyo , Bunkyo-ku, Tokyo , Japan.

Abstract

OBJECTIVES:

This 24-week, multicenter, double-blind, randomized, placebo-controlled study (NCT00791999) compared efficacy and safety of certolizumab pegol (CZP) in combination with methotrexate (MTX) vs placebo plus MTX in Japanese rheumatoid arthritis (RA) patients with inadequate response to MTX.

METHODS:

In total, 316 patients were randomized 1:1:1:1 to subcutaneous CZP 100, 200, or 400 mg (induction dose: 200 mg or 400 mg CZP at Weeks 0, 2, and 4) plus MTX or placebo plus MTX every 2 weeks. Primary endpoint was ACR20 response at Week 12.

RESULTS:

ACR20 response rates were 62.5%, 76.8%, 77.6%, and 28.6% at Week 12, and 61.1%, 73.2%, 71.8%, and 24.7% at Week 24 for CZP 100, 200, and 400 mg, and placebo groups, respectively, with statistical significance between each CZP group and placebo. Change in Total Sharp Score over 24 weeks was significantly smaller in CZP 200 and 400 mg groups vs placebo. Improvements in health-related quality of life (HRQoL) were observed in all three CZP groups vs placebo. Incidence of adverse events was similar between CZP groups.

CONCLUSIONS:

CZP plus MTX resulted in rapid, sustained reductions in RA signs and symptoms in Japanese patients with inadequate response to MTX, with significant inhibition of radiographic progression and improved HRQoL.

KEYWORDS:

Certolizumab pegol; Methotrexate; Randomized controlled trial; Rheumatoid arthritis; Tumor necrosis factor-alpha inhibitor

PMID:
24313916
DOI:
10.3109/14397595.2013.864224
[Indexed for MEDLINE]
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