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Everolimus in patients with rheumatoid arthritis receiving concomitant methotrexate: a 3-month, double-blind, randomised, placebo-controlled, parallel-group, proof-of-concept study
  1. G A W Bruyn1,
  2. G Tate2,
  3. F Caeiro3,
  4. J Maldonado-Cocco4,
  5. R Westhovens5,
  6. H Tannenbaum6,
  7. M Bell7,
  8. O Forre8,
  9. O Bjorneboe9,
  10. P P Tak10,
  11. K H Abeywickrama11,
  12. P Bernhardt11,
  13. P L C van Riel12,
  14. for the RADD study group
  1. 1
    Medisch Centrum Leeuwarden, Leeuwarden, The Netherlands
  2. 2
    OMI Organizacion Medica de Investigacion, Buenos Aires, Argentina
  3. 3
    Hospital Privado de Cordoba, Cordoba, Argentina
  4. 4
    Instituto de Rehabilitacion Psicofisica, Buenos Aires, Argentina
  5. 5
    UZ Gasthuisberg, Leuven, Belgium
  6. 6
    Rheumatic Disease Centre of Montreal, Montreal, Canada
  7. 7
    Sunnybrook Health Science Centre, Toronto, Canada
  8. 8
    Rikshospitalet, Oslo, Norway
  9. 9
    Martina Hansens Hospital, Gjettum, Norway
  10. 10
    Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
  11. 11
    Novartis Pharma AG, Basel, Switzerland
  12. 12
    Universitair Medisch Centrum St. Radboud, Nijmegen, The Netherlands
  1. G A W Bruyn, Medisch Centrum Leeuwarden (Zuid), Afd. Reumatologie, Leeuwarden, 8934 AD, The Netherlands; gawbruyn{at}wxs.nl

Abstract

Objectives: Everolimus, a proliferation signal inhibitor with disease-modifying properties, may be useful in treating rheumatoid arthritis (RA). This proof-of-concept study assessed efficacy and safety of everolimus in combination with methotrexate (MTX) in patients with refractory RA.

Methods: A multi-centre, randomised, double-blind, placebo-controlled trial was performed in 121 patients with active RA receiving MTX. Patients were randomised to receive everolimus (6 mg/day) or placebo. The primary endpoint was the American College of Rheumatology criteria for a 20% improvement in measures of disease activity (ACR20) at 12 weeks.

Results: There was a rapid onset of action and at 12 weeks the ACR20 response rate was significantly higher in the everolimus group (36.1%) than in the placebo group (16.7%; p = 0.022). Improvements from baseline in tender and swollen joint counts, patient’s assessment of pain, and patient’s and physician’s global assessment of disease activity were significantly greater after treatment with everolimus. The most common adverse events (AEs) in the everolimus group were gastrointestinal (52.5% vs 31.7% in the placebo group), skin (29.5% vs 8.3%), and nervous system disorders (21.3% vs 10.0%); AEs leading to treatment discontinuation were reported for 16.4% and 10.0% of patients, respectively. Changes in haematological parameters, liver function tests, and lipid levels occurred more frequently with everolimus compared to placebo, but were mild and reversible.

Conclusions: The study indicates that everolimus plus MTX provides clinical benefit with an acceptable safety and tolerability profile. It may offer a new treatment option in RA patients with inadequate response to MTX.

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Footnotes

  • Funding: Novartis Pharma AG, Basel, Switzerland, funded this study.

  • Competing interests: KHA and PB are Novartis employees.

  • Ethics approval: The study was approved by local Institutional Review Boards or Ethics Committees and was conducted in accordance with guidelines established by the US Code of Federal Regulations and the Declaration of Helsinki. All patients gave written informed consent.

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