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Efficacy and safety of certolizumab pegol monotherapy every 4 weeks in patients with rheumatoid arthritis failing previous disease-modifying antirheumatic therapy: the FAST4WARD study
  1. R Fleischmann1,
  2. J Vencovsky2,
  3. R F van Vollenhoven3,
  4. D Borenstein4,
  5. J Box5,
  6. G Coteur6,
  7. N Goel7,
  8. H-P Brezinschek8,
  9. A Innes9,
  10. V Strand10
  1. 1
    University of Texas Southwestern Medical Center, Dallas, Texas, USA
  2. 2
    Institute of Rheumatology, Prague, Czech Republic
  3. 3
    Karolinska Institute, Stockholm, Sweden
  4. 4
    George Washington University Medical Center, Washington, DC, USA
  5. 5
    Carolina Bone and Joint, Charlotte, North Carolina, USA
  6. 6
    UCB, Braine l’Alleud, Belgium
  7. 7
    UCB, Atlanta, Georgia, USA
  8. 8
    Medical University Graz, Graz, Austria
  9. 9
    UCB, Slough, UK
  10. 10
    Stanford University, Stanford, California, USA
  1. R Fleischmann, University of Texas Southwestern Medical Center, 5939 Harry Hines Blvd., Dallas, Texas 75235, USA; rfleischmann{at}


Background: Tumour necrosis factor α (TNFα) is a proinflammatory cytokine involved in the pathogenesis of rheumatoid arthritis (RA). Treatment with TNFα inhibitors reduces disease activity and improves outcomes for patients with RA. This study evaluated the efficacy and safety of certolizumab pegol 400 mg, a novel, poly-(ethylene glycol) (PEG)ylated, Fc-free TNFα inhibitor, as monotherapy in patients with active RA.

Methods: In this 24-week, multicentre, randomised, double-blind, placebo-controlled study, 220 patients previously failing ⩾1 disease-modifying antirheumatic drug (DMARD) were randomised 1:1 to receive subcutaneous certolizumab pegol 400 mg (n = 111) or placebo (n = 109) every 4 weeks. The primary endpoint was 20% improvement according to the American College of Rheumatology criteria (ACR20) at week 24. Secondary endpoints included ACR50/70 response, ACR component scores, 28-joint Disease Activity Score Erythrocyte Sedimentation Rate 3 (DAS28(ESR)3), patient-reported outcomes (including physical function, health-related quality of life (HRQoL), pain and fatigue) and safety.

Results: At week 24, the ACR20 response rates were 45.5% for certolizumab pegol 400 mg every 4 weeks vs 9.3% for placebo (p<0.001). Differences for certolizumab pegol vs placebo in the ACR20 response were statistically significant as early as week 1 through to week 24 (p<0.001). Significant improvements in ACR50, ACR components, DAS28(ESR)3 and all patient-reported outcomes were also observed early with certolizumab pegol and were sustained throughout the study. Most adverse events were mild or moderate and no deaths or cases of tuberculosis were reported.

Conclusions: Treatment with certolizumab pegol 400 mg monotherapy every 4 weeks effectively reduced the signs and symptoms of active RA in patients previously failing ⩾1 DMARD compared with placebo, and demonstrated an acceptable safety profile.

Trial registration number: NCT00548834.

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  • Competing interests: JV has received a fee from UCB for speaking at a National Congress; RFvV has received consulting fees from UCB; DB has received reimbursement from UCB for attending a symposium and funds for research; JB has received reimbursement from UCB for attending a symposium and funds for research; GC is a full time employee of and holds stocks in UCB; AI is a full time employee at UCB and has shares in the company; NG is a full time employee of UCB and has shares and stock options in the company; VS has worked as an independent biopharmaceutical consultant in clinical development and regulatory affairs since September 1991 and is currently a consultant to various companies, but has not and does not now hold stock in any company. RF has received consulting fees and funds for clinical research from UCB.

  • Funding: The FAST4WARD study was funded by UCB. UCB contributed to the design, conduct and reporting of the study.

  • Ethics approval: Institutional review boards or ethics committees approved the protocol at each centre. All patients gave written consent, and the study was conducted in accordance with the Declaration of Helsinki.

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