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Biomedical subjects

Arthur Weaver

Publications and source records attributed to Arthur Weaver.

5 recordsLinked to original sources
PubMed2006

Real-world utilization of DMARDs and biologics in rheumatoid arthritis: the RADIUS (Rheumatoid Arthritis Disease-Modifying Anti-Rheumatic Drug Intervention and Utilization Study) study.

OBJECTIVE: Rheumatoid Arthritis (RA) Disease-Modifying Anti-Rheumatic Drug (DMARD) Intervention and Utilization Study (RADIUS) is a unique, real-world, prospective, 5-year, observational study of over 10 000 patients with RA. RADIUS provides a snapshot of use patterns, effectiveness, and safety of DMARDs, biologics, and combination therapies used to manage RA in clinical practice. RESEARCH DESIGN AND METHODS: Patients with RA requiring a new DMARD or biologic (addition or switch) were eligible for the RADIUS study. Two separate patient cohorts were enrolled; RADIUS 1 patients initiated any new therapy at entry, and RADIUS 2 patients initiated etanercept at entry. Patient demographics and disease activity measures were collected at study entry, and baseline characteristics were summarized for various subgroups. Effectiveness, safety, and patterns of use will be tracked for therapies utilized during the 5-year study. RESULTS: RADIUS 1 enrolled 4959 patients, and RADIUS 2 enrolled 5102 patients, mostly at community private practices (88%). In RADIUS 1, most patients initiated methotrexate (MTX) monotherapy, followed by MTX in combination with a biologic (e.g. infliximab plus MTX) or other DMARD. In RADIUS 2, most patients initiated etanercept in combination with MTX, followed by etanercept monotherapy. When a new therapy was required, physicians tended to add another therapy versus switching therapies. Patients initiating a biologic had a longer duration of RA and more severe disease compared with patients initiating non-biologic therapy. CONCLUSIONS: These real-world data provide evidence of the prescribing practices of rheumatologists in 2001-2003. Future analyses will allow evidence-based comparisons of the long-term safety and effectiveness of DMARDs, biologics, and combination therapies to assist physicians in clinical decision-making.

Adolescent↗
PubMed2003

Effects of disease management programs on functional status of patients with rheumatoid arthritis.

OBJECTIVE: To perform a systematic review of the published literature on disease management of rheumatoid arthritis (RA) and to use meta-analysis to estimate the magnitude of benefit these programs have on functional status in patients with RA. METHODS: Computerized databases for English articles from 1966 to September 2001 were searched. Two reviewers evaluated 1,029 published titles, identified 11 studies meeting explicit inclusion criteria, and extracted data about study characteristics, interventions used, and outcomes measured. Pooled effect sizes for functional status were calculated using a random-effects model. RESULTS: Four out of 8 disease management programs showed significant improvements in functional status; however, the pooled effect size (ES) was small and statistically non-significant (ES 0.27; 95% confidence interval [95% CI] -0.01, 0.54). Studies with longer intervention durations (>5 weeks) had significantly improved patient functional status (ES 0.49; 95% CI 0.12, 0.86), compared with studies with shorter intervention durations (</=5 weeks, ES 0.13; 95% CI -0.25, 0.52). CONCLUSIONS: There were limited data to support or refute the effectiveness of disease management programs in improving functional status in patients with RA. Additional studies are needed to confirm if a more intensive intervention may be of benefit to patients with RA, as suggested by our study.

Arthritis, Rheumatoid↗
PubMed2003

Advances in rheumatology: coxibs and beyond.

Arthritis is a growing health concern in the US with approximately 70 million Americans currently affected. This figure will inevitably rise as the population ages. The pain and decreased mobility associated with arthritis have a significant impact on quality of life and because patients with arthritis are less active than the general population, they are at risk of additional conditions such as obesity, heart disease, diabetes, and hypertension. There are currently no disease modifying osteoarthritis (OA) drugs available; therefore anti-inflammatory, and/or analgesic medications such as acetaminophen and NSAIDs and simple analgesics form the mainstay of treatment. Coxibs may be preferred to traditional NSAIDs because of their improved gastrointestinal (GI ) safety and tolerability profile. The use of topical agents may also be beneficial in some patients. In rheumatoid arthritis (RA) where disease modifying drugs (DMARDs) are available, anti-inflammatory agents such as NSAIDs and coxibs are used as adjuncts to disease modifying therapy. However, patients with RA are at increased risk of NSAID-related GI injury, particularly if they are also on corticosteroid medication. Pharmacological treatment of both RA and OA should be combined with appropriate nonpharmacological modalities such as patient education, exercise programs, and joint motion and strengthening exercises. Such activities may delay joint degradation and help maintain physical function.

Arthritis, Rheumatoid↗