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Comparative effectiveness and safety of biological treatment options after tumour necrosis factor α inhibitor failure in rheumatoid arthritis: systematic review and indirect pairwise meta-analysis.

Abstract：

BACKGROUND:Optimal treatment for rheumatoid arthritis (RA) after inadequate response (IR) to tumour necrosis factor α inhibitors (TNFi) remains uncertain. OBJECTIVE:To compare the efficacy and safety of biological agents after TNFi-IR. METHODS:A systematic literature search was carried out using Medline and Cochrane databases, as well as http://www.clinicaltrials.gov, and bibliographies of the retrieved literature were searched by hand. Randomised, placebo-controlled trials that enrolled patients with RA with TNFi-IR were included and American College of Rheumatology (ACR) response as primary efficacy outcome and adverse events (AEs), serious adverse events (SAEs) and serious infections (SIs) as safety measures were extracted. An indirect meta-analysis with pairwise comparisons of efficacy and safety data was then carried out using ORs or risk differences (RDs) in a random effects model. RESULTS:In four randomised controlled trials with 24 weeks' follow-up, direct comparisons of abatacept, golimumab, rituximab and tocilizumab versus placebo showed statistically significant mean ORs of 3.3-8.9 for ACR20, 5.5-10.2 for ACR50 and 4.1-13.5 for ACR70. Risks of AEs, SAEs and SIs versus placebo were non-significant. Indirect pairwise comparisons of the four biological agents showed no significant differences in ACR50 and ACR70. Golimumab had a significantly lower OR (0.56-0.59) for ACR20 but significantly fewer AEs (RD 0.13-0.18). Efficacy after one versus multiple TNFi failures did not differ significantly between the different biological agents. CONCLUSION:In patients refractory to one or more TNFi, new biological agents provide significant improvement with good safety. Lacking head-to-head trials, indirect meta-analysis enables a comparison of effectiveness and safety of biological agents with each other and shows that all biological agents have similar effects.

journal_name

Ann Rheum Dis

journal_title

Annals of the rheumatic diseases

authors

Schoels M,Aletaha D,Smolen JS,Wong JB

doi

10.1136/annrheumdis-2011-200490

subject

Has Abstract

pub_date

2012-08-01 00:00:00

pages

1303-8

issue

eissn

0003-4967

issn

1468-2060

pii

annrheumdis-2011-200490

journal_volume

pub_type

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Comparative effectiveness and safety of biological treatment options after tumour necrosis factor α inhibitor failure in rheumatoid arthritis: systematic review and indirect pairwise meta-analysis.