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American College of Rheumatology hybrid analysis of certolizumab pegol plus methotrexate in patients with active rheumatoid arthritis: Data from a 52-week phase III trial
- Source :
- Arthritis Care & Research. 63:128-134
- Publication Year :
- 2010
- Publisher :
- Wiley, 2010.
-
Abstract
- Objective The American College of Rheumatology (ACR) hybrid (a modified mean percent response to treatment) was officially recommended by the ACR as a revision to 20%, 50%, and 70% response criteria (ACR20/50/70) scores, but has not been tested in clinical trials. We performed a post hoc analysis of a phase III study of certolizumab pegol (Rheumatoid Arthritis Prevention of Structural Damage 1 [RAPID 1]) using the ACR hybrid. Methods Patients with active rheumatoid arthritis were randomized to certolizumab pegol (200 mg or 400 mg every other week) plus methotrexate or placebo plus methotrexate. ACR hybrid scores were compared with ACR20/50/70 outcomes. Results Differences between active treatment and placebo were significant throughout the study using the ACR20 and ACR hybrid outcomes. In the certolizumab pegol 200 mg group, the median ACR hybrid score at week 52 (last observation carried forward) was 49.99. A total of 258 (65.8%) of 392 and 172 (43.9%) of 392 patients had ACR20 and ACR50 responses, respectively. An additional 55 patients (14.0%) and 59 patients (15.1%) had mean improvements in ACR core measures of ≥20% and ≥50%, respectively, and therefore had positive ACR hybrid scores, despite lacking ACR20 and ACR50 responses, respectively. In the placebo group, median ACR hybrid scores were
- Subjects :
- musculoskeletal diseases
medicine.medical_specialty
business.industry
Arthritis
medicine.disease
Placebo
humanities
Rheumatology
law.invention
Surgery
Clinical trial
Randomized controlled trial
law
Rheumatoid arthritis
Internal medicine
Post-hoc analysis
medicine
Certolizumab pegol
skin and connective tissue diseases
business
medicine.drug
Subjects
Details
- ISSN :
- 2151464X
- Volume :
- 63
- Database :
- OpenAIRE
- Journal :
- Arthritis Care & Research
- Accession number :
- edsair.doi...........835bb1cb2e09ca7c62c181e9ef12433d
- Full Text :
- https://doi.org/10.1002/acr.20331