BRUSSELS, May 10, 2011 /PRNewswire/ -- UCB announced results from a post hoc analysis of the RAPID 2 study, published in the Annals of Rheumatic Diseases, which showed Cimzia®, the only approved PEGylated anti-TNF, plus methotrexate (MTX) provided rapid relief from a broad range of symptoms associated with the burden of moderate to severe active rheumatoid arthritis (RA). Those adult patients treated with Cimzia® that achieved early responses were found to have an increased chance of achieving longer-term outcomes.
''These data show that when administered with methotrexate, certolizumab pegol offers rapid relief across a broad range of rheumatoid arthritis symptoms and that relatively few patients need to be treated before at least one patient reports clinical benefits from the positive relief the treatment provides,'' said lead investigator Dr. Vibeke Strand, Adjunct Clinical Professor in the Division of Immunology and Rheumatology, at Stanford University, California. ''By assessing patient-reported outcomes at early-stages of treatment we are able to predict late-stage clinical outcomes and treatment benefits for patients, providing great reassurance to both patients and their healthcare professionals.''
PROs were secondary efficacy endpoints in RAPID 2 and were used to measure the impact of treatment with certolizumab pegol versus placebo. Number needed to treat (NNT) analysis was used in these post hoc analyses to interpret the PRO results. The NNT determines the number of patients that need to be treated in order to obtain the benefit of interest in one additional patient; therefore, small NNTs indicate favorable treatment effects. NNTs and minimum clinically important differences (MCIDs, which determine clinically meaningful improvements) were evaluated.
In the RAPID 2 study, patients with active RA (by 1987 American College of Rheumatology [ACR] classification criteria) with inadequate responses to MTX th
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