Malignancy and biologic therapy in rheumatoid arthritis

Johan Askling, Tim Bongartz

Research output: Contribution to journalReview articlepeer-review

63 Scopus citations

Abstract

PURPOSE OF REVIEW: Owing to the complex functions of the inflammatory response systems - potentially or clearly of importance in human carcinogenesis - that biological therapies interfere with uncertainty regarding their safety profile for malignancy is more or less expected. This uncertainty has been further sparked by the apparent discordance between trial data and observational studies of anti-TNF agents, and the methodological challenges inherent in addressing the safety profile of new drugs for delayed and multifactorial events like cancer. RECENT FINDINGS: This review provides a summary of the pattern of cancer seen in patients with rheumatoid arthritis not treated with biologics, and the currently published data on cancer risk following treatment with biologics in patients with rheumatoid arthritis, primarily anti-TNF therapy. SUMMARY: Published data currently do not exclude clinically important increased risks, nor do they refute beneficial effects. As per definition, much of the currently available safety data from trials or clinical practice do not capture the impact of either any effect that biological therapy might have on early events in carcinogenesis, or of sustained exposure to biologics. Beyond the risk of de-novo cancer development, several other clinically important aspects of cancer safety remain to be addressed, including issues of prognosis, progression, and relapse.

Original languageEnglish (US)
Pages (from-to)334-339
Number of pages6
JournalCurrent opinion in rheumatology
Volume20
Issue number3
DOIs
StatePublished - May 1 2008

Keywords

  • Cancer
  • Review
  • Rheumatoid arthritis
  • Safety
  • TNF

ASJC Scopus subject areas

  • Rheumatology

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