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J Rheumatol. 2010 Mar;37(3):558-67. doi: 10.3899/jrheum.090856. Epub 2010 Jan 28.

Longterm safety of patients receiving rituximab in rheumatoid arthritis clinical trials.

Author information

1
Karolinska University Hospital, Stockholm, Sweden. ronald.van.vollenhoven@ki.se

Erratum in

  • J Rheumatol. 2010 Oct;37(10):2198.

Abstract

OBJECTIVE:

To evaluate the longterm safety of rituximab in clinical trials in patients with rheumatoid arthritis (RA).

METHODS:

Pooled analysis of safety data, including adverse events (AE) and infections, from patients treated with rituximab in combination with methotrexate in a global clinical trial program.

RESULTS:

A total of 2578 patients with RA received at least 1 course of rituximab. Safety analyses were based on 5013 patient-years of rituximab exposure. The most frequent AE was infusion-related reactions (25% of patients during the first infusion of Course 1). Less than 1% of infusion-related reactions were considered serious. Rates of AE and serious AE (SAE; 17.85 events/100 patient-yrs, 95% CI 16.72, 19.06) were stable following each course. The overall serious infection rate was 4.31/100 patient-years (95% CI 3.77, 4.92). Infections and serious infections over time remained stable across 5 courses at 4-6 events/100 patient-years. Compared with other patients with RA and with the general US population, there was no increased risk of malignancy.

CONCLUSION:

In this longterm safety update in RA clinical trial patients, rituximab remained well tolerated over multiple courses. SAE and infections remained stable over time and by treatment course.

PMID:
20110520
DOI:
10.3899/jrheum.090856
[Indexed for MEDLINE]
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