Safety and efficacy of disease-modifying anti-rheumatic agents

Focus on the benefits and risks of etanercept

Roy Fleischmann, Imran Iqbal, Pallavi Nandeshwar, Andres Quiceno

Research output: Contribution to journalArticle

90 Citations (Scopus)

Abstract

The traditional approach to the treatment of rheumatoid arthritis (RA) has been the use of nonsteroidal anti-inflammatory drugs usually in combination with a disease-modifying antirheumatic drug (DMARD) such as hydroxychloroquine, gold, sulfasalazine, methotrexate, leflunomide or cyclosporin. Each of these DMARDs has its own distinct toxicities but has also been shown to be effective in reducing signs and symptoms of disease and to some extent, reduce radiological progression. Within the past 10 years, the combination of several traditional DMARDs has been shown to have increased efficacy over monotherapy without a significant increase in toxicity in a majority of studies. Recently, the US Food and Drug Administration has approved infliximab, a chimeric monoclonal antibody to tumour necrosis factor (TNF)-α in combination with methotrexate, for the treatment of signs and symptoms of RA, delay of radiological progression of disease and improvement of physical function while anakinra, an interleukin-1 receptor antagonist, has been approved for the treatment of the signs and symptoms of RA either as monotherapy or in combination with methotrexate. Etanercept is the first biological response modifier approved for use in RA in the US. Double-blind, randomised controlled studies have shown etanercept to be effective therapy in patients with RA who have had inadequate response to DMARDs, in combination with methotrexate, and as early monotherapy. Similar results were seen in juvenile and psoriatic arthritis in DMARD nonresponders. Open-label studies have shown efficacy in adult Still's disease, ankylosing spondylitis, progressive systemic sclerosis, Wegener's granulomatosis and chronic uveitis. Safety issues are a concern because of the ubiquitous role of TNF. To date the only consistent adverse event seen with etanercept has been injection site reactions. Infections occur at the same rate and with the same frequency as the placebo population. There should be caution, however, with using etanercept in patients with a serious infection, or recurrent infections or patients with untreated or latent tuberculosis. As of yet there has not been seen an increase of malignancies. Rare neurological and haematological events have been noted. Etanercept has been a significant addition to the armamentarium of medications for the treatment of RA, juvenile and psoriatic arthritis. Preliminary data show that it may be well tolerated and effective in other rheumatic diseases in which there is over production of TNFα.

Original languageEnglish (US)
Pages (from-to)173-197
Number of pages25
JournalDrug Safety
Volume25
Issue number3
StatePublished - 2002

Fingerprint

Antirheumatic Agents
Rheumatoid Arthritis
Methotrexate
Safety
Tumor Necrosis Factor-alpha
Signs and Symptoms
leflunomide
Juvenile Arthritis
Toxicity
Interleukin 1 Receptor Antagonist Protein
Hydroxychloroquine
Infection
Sulfasalazine
Interleukin-1 Receptors
Latent Tuberculosis
Therapeutics
Immunologic Factors
Diffuse Scleroderma
Granulomatosis with Polyangiitis
Gold

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Pharmacology
  • Toxicology
  • Health, Toxicology and Mutagenesis

Cite this

Safety and efficacy of disease-modifying anti-rheumatic agents : Focus on the benefits and risks of etanercept. / Fleischmann, Roy; Iqbal, Imran; Nandeshwar, Pallavi; Quiceno, Andres.

In: Drug Safety, Vol. 25, No. 3, 2002, p. 173-197.

Research output: Contribution to journalArticle

Fleischmann, Roy ; Iqbal, Imran ; Nandeshwar, Pallavi ; Quiceno, Andres. / Safety and efficacy of disease-modifying anti-rheumatic agents : Focus on the benefits and risks of etanercept. In: Drug Safety. 2002 ; Vol. 25, No. 3. pp. 173-197.
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