Rituximab doses as low as 200 mg reduced disease activity in patients with rheumatoid arthritis to an extent that’s similar to the standard 1,000-mg dose during more than 3 years of follow-up, according to results from an extension study of a clinical trial in the Netherlands.
Nathan den Broeder
“We could not formally statistically show that the lower doses were less effective than the higher dose,” study leader Nathan den Broeder, MSc, a PhD candidate at St. Maarten Clinic and the Radboud Institute for Health Sciences in Nijmegen, the Netherlands, said in a presentation at the virtual annual meeting of the American College of Rheumatology. “We concluded at this time that only 6% of patients needed to switch to another biologic or targeted disease-modifying antirheumatic drug and that mean disease activity remained very low,” he said of the patients treated with 200- and 500-mg doses of rituximab.
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