Background The VIGOUR Study was a large (n = 8076) randomised, double-blind, clinical trial comparing the GI safety of rofecoxib 50 mg. once daily to naproxen 500 mg twice daily. The median duration of follow-up was 9.0 months.
Methods We examined demographics, disease status, disease impact, history of GI problems, and medication history for 3 subgroups based on disease duration: 0–2 years (N = 1498), >2–10 years (N = 3382), and >10 years (N = 3196).
Results Baseline demographic characteristics were quite comparable for the 3 groups. 76%, 78%, and 83% of the patients were female, with mean ages of 57, 58, and 59 years for 0–2, >2–10, and >10 years, respectively. The majority of patients were in ARA functional class II (0–2 years: 57%, 2–10 years: 55%, >10 years: 51%). 67% of the 0–2 year group were known to be seropositive compared with 74% and 75% in the other groups. The proportion of patients with erosions on hand x-rays varied by duration (44%, 60%, 71%), as did the percentage with rheumatoid nodules (16%, 30%, 43%).
The mean modified Health Assessment Questionnaire (mHAQ) scores (U. S. patients only) were 0.62, 0.57, and 0.61 on a scale of 0–3 with mean patient and investigator global scores of 2.0, 1.9, 2.0 and 1.9, 1.8, 1.9 on scales of 0–4. 56%, 50%, and 50% of the patients reported that they cut down their activities due to their RA for an average of 11, 10, and 10 days in the past 4 weeks. Patients reported that pain interfered with their normal work to a moderate extent (2.9, 2.8, and 2.9 on a scale from 1 (not at all) to 5 (extremely)).
The proportions of patients taking NSAIDs at baseline were similar (81%, 82%, 84%) as were the proportions taking corticosteroids (57%, 55%, 56%). At baseline, patients had taken an average of 2.0, 2.8, and 3.6 DMARDs with the following proportions having taken individual medications at some time: MTX: 57%, 74%, 77%; corticosteroids: 75%, 82%, 85%; hydroxychloroquine: 41%, 55%, 59%, injectable gold: 6%, 20%, 49%, sulfasalazine: 15%, 26%, 29%. 6%, 8%, and 9% of the patients reported a prior history of a GI ulcer or bleed at baseline, and 21%, 21%, and 20% reported dyspepsia within 14 days prior to baseline. 9%, 11%, and 14% had stopped an arthritis medication at some time due to abdominal pain. 45% of the 0–2 year group had changed their arthritis medication in the previous year; compared to 39% in the 2–10 year group, and 37% in the >10 year group.
Conclusion The VIGOUR cohort is useful for studying the relationship between disease duration and patient characteristics and treatment strategies. Despite having RA for <2 years, the early RA group demonstrates moderate levels of functional impairment comparable to the other groups as indicated by mHAQ and patient and investigator global scores. Patients in the early RA group also reported the greatest need to cut down their activities. The data on medication use reflect the general trends toward early use of single DMARDs and combination therapy, as well as a continuing reliance on corticosteroids. All groups were comparable in their history of serious GI events and GI side effects.
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