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Reumatismo. 2009 Apr-Jun;61(2):107-17.

Switching between TNFalpha antagonists in rheumatoid arthritis: personal experience and review of the literature.

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  • 1Dipartimento di Clinica e Terapia Medica, Sezione di Reumatologia, Sapienza Università di Roma, Policlinico Umberto I, 00161 Roma, Italia.

Abstract

OBJECTIVE:

To evaluate the clinical response after switching to another TNFalpha antagonist in patients with rheumatoid arthritis (RA) and provide a review of the literature on this topic.

METHODS:

In this ongoing, longitudinal, observational study we have prospectively collected data of patients starting biological treatments since 2000. The present analysis is restricted to RA patients who switched to another anti-TNFalpha due to lack of efficacy (LaE), loss of efficacy (LoE), or adverse events (AEs) by the end of December 2007. Disease activity score (ESR-based DAS28) was calculated and the clinical response (none, moderate, good) was evaluated according to the European League Against Rheumatism (EULAR) criteria. Clinical remission (DAS28 <2.6) and low disease activity (DAS28 </=3.2) were also evaluated.

RESULTS:

A total of 692 anti-TNFalpha-naïve patients has been registered, of whom 395 with a diagnosis of RA. Thirtyseven RA patients switched to another TNFalpha antagonist. Three months after switching, the proportion of patients with remission, low disease activity, good and moderate/good EULAR responses grew from 0%, 2.7%, 0%, and 5.4% (baseline before switching) to 16.2%, 35.1%, 27%, and 62.2% (p<0.05, p<0.001, p<0.001, p<0.000001, respectively). Of the patients who switched because of LaE, LoE, and AEs a moderate/good EULAR response was achieved in 38.4%, 66.6%, and 88.8% of patients, respectively. Mean treatment duration with the second anti-TNFalpha was significantly longer in patients switching for LoE and AEs than in those switching for LaE (p<0.05).

CONCLUSIONS:

The findings of this study suggest that RA patients may be successfully treated with another TNFalpha antagonist, especially those withdrawing for LoE or AEs.

PMID:
19633797
[PubMed - indexed for MEDLINE]
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