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Safety with ocrelizumab in rheumatoid arthritis: results from the ocrelizumab phase III program.


ABSTRACT: OBJECTIVE:The objective was to determine the safety of ocrelizumab (OCR) in patients with rheumatoid arthritis (RA). METHODS:This was an analysis of the double-blind, placebo-controlled periods and long-term follow-up of 4 OCR phase III trials in RA (SCRIPT, STAGE, FILM and FEATURE). Safety data per study and the results of a meta-analysis of serious infectious events (SIEs) are presented. RESULTS:Overall, 868 patients received placebo, 1064 patients OCR 200 mg×2 (or 400 mg×1) (OCR200), and 827 patients OCR 500 mg×2 (OCR500) plus background methotrexate (MTX) at baseline and 24 weeks. During the double-blind, placebo-controlled periods, the incidence of adverse events and serious adverse events was comparable between the OCR+MTX and placebo +MTX groups. Infusion-related reactions were more common with OCR+MTX and decreased in frequency with subsequent infusions. Serious infusion-related reactions were rare (0.1%). Serious infections occurred more frequently with OCR500+MTX. In the meta-analysis, a statistically significant difference from placebo +MTX in incidence of SIEs per 100 patient-years of 2.4 (95% CI, 0.3-4.5) was observed with OCR500+MTX, but not with OCR200+MTX (0.6; 95% CI, -1.3 to 2.4). Patients recruited in Asia exhibited a higher risk of serious infections (hazard ratio, 1.78; 95% CI, 1.03-3.06). The incidence of human anti-human antibodies was <5%. Long-term follow-up indicated no differences in malignancy rates between the treatment groups. There was no apparent difference in time to B-cell repletion between the OCR dose groups. CONCLUSIONS:In placebo-controlled clinical trials of RA, OCR500+MTX was associated with a higher risk of serious infections compared with placebo +MTX. The safety profile of OCR 200+MTX was comparable with placebo+MTX. TRIAL REGISTRATION:STAGE ClinicalTrials.gov NCT00406419 SCRIPT ClinicalTrials.gov NCT00476996 FILM ClinicalTrials.gov NCT00485589 FEATURE ClinicalTrials.gov NCT00673920.

SUBMITTER: Emery P 

PROVIDER: S-EPMC3911947 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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Safety with ocrelizumab in rheumatoid arthritis: results from the ocrelizumab phase III program.

Emery Paul P   Rigby William W   Tak Paul P PP   Dörner Thomas T   Olech Ewa E   Martin Carmen C   Millar Laurie L   Travers Helen H   Fisheleva Elena E  

PloS one 20140203 2


<h4>Objective</h4>The objective was to determine the safety of ocrelizumab (OCR) in patients with rheumatoid arthritis (RA).<h4>Methods</h4>This was an analysis of the double-blind, placebo-controlled periods and long-term follow-up of 4 OCR phase III trials in RA (SCRIPT, STAGE, FILM and FEATURE). Safety data per study and the results of a meta-analysis of serious infectious events (SIEs) are presented.<h4>Results</h4>Overall, 868 patients received placebo, 1064 patients OCR 200 mg×2 (or 400 mg  ...[more]

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