Journal
ANNALS OF THE RHEUMATIC DISEASES
Volume 71, Issue 12, Pages 1950-1954Publisher
BMJ PUBLISHING GROUP
DOI: 10.1136/annrheumdis-2011-201087
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Funding
- F. Hoffmann-La Roche Ltd.
- Amgen
- Pfizer
- BMS
- Roche
- UCB
- Pfizer/Wyeth
- MSD/Schering-Plough
- Abbott
- Wyeth
- Sobi
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Objective To evaluate the safety and efficacy of tocilizumab in clinical practice in patients with rheumatoid arthritis (RA) with inadequate responses (IR) to disease-modifying antirheumatic drugs (DMARDs) or both DMARDs and tumour necrosis factor a inhibitors (TNFis). Methods Patients-categorised as TNFi-naive, TNFi-previous (washout) or TNFi-recent (no washout) -received open-label tocilizumab (8 mg/kg) every 4 weeks +/- DMARDs for 24 weeks. Adverse events (AEs) and treatment discontinuations were monitored. Efficacy end points included American College of Rheumatology (ACR) responses, 28-joint disease activity score (DAS28) and European League Against Rheumatism responses. Results Overall, 1681 (976 TNF-naive, 298 TNFi-previous and 407 TNFi-recent) patients were treated; 5.1% discontinued treatment because of AEs. The AE rate was numerically higher in TNFi-recent (652.6/100 patient-years (PY)) and TNFi-previous (653.6/100PY) than in TNFi-naive (551.1/100PY) patients. Serious AE rates were 18.0/100PY, 28.0/100PY and 18.6/100PY; serious infection rates were 6.0/100PY, 6.8/100PY and 4.2/100PY, respectively. At week 4, 36.5% of patients achieved ACR20 response and 14.9% DAS28 remission (<2.6); at week 24, 66.9%, 46.6%, 26.4% and 56.8% achieved ACR20/ACR50/ACR70 responses and DAS28 remission, respectively. Overall, 61.6% (TNFi-naive), 48.5% (TNFi-previous) and 50.4% (TNFi-recent) patients achieved DAS28 remission. Conclusions In patients with RA who were DMARD-IR/TNFi-IR, tocilizumab +/- DMARDs provided rapid and sustained efficacy without unexpected safety concerns.
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