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Where do new therapies work best?
June 23, 2006Anti-TNFS compared across rheumatic diseases show they may work better in some more than others
An observational study to investigate how new therapies for rheumatic diseases perform across different conditions has revealed that they may be more successful in certain conditions. The data is presented today at the Annual European Congress of Rheumatology in Amsterdam, the Netherlands. An increasing proportion of patients with rheumatic conditions such as ankylosing spondylitis (AS), psoriatic arthritis (PsA) and rheumatoid arthritis (RA) now receive anti-TNF treatment — a newer group of drugs which are used to reduce inflammation and manage disease activity*. Study lead Dr Marte Heiberg, of the Dept of Rheumatology, Diakonhjemmet Hospital, Oslo, told delegates: "Many studies have focused on efficacy of these drugs, however less is known about comparative real life performance of these drugs across different diagnostic groups".
The study was conducted across 5 Norwegian Rheumatology Departments and included 796 RA patients, 162 PsA patients and 211 patients with a diagnosis of AS. All patients were on an anti-TNF treatment regimen of infliximab, etanercept or adalimumab +/- methotrexate (MTX). The primary outcome was the number of patients still on therapy at one year — known as the adherence to therapy. RA was used as the reference group and within each diagnostic group the adherence to anti-TNF monotherapy versus TNF+MTX was compared.
The relative risk for withdrawal from TNF+MTX versus anti-TNF monotherapy was 0.54 for RA patients, 0.49 for PsA patients and 0.83 for AS patients, demonstrating that combination treatment strategy of anti-TNF+MTX worked better than anti-TNF monotherapy in patients with RA and PsA. Although the crude one-year overall drug adherence rates for anti-TNF therapy were superior in patients with PsA and AS compared to RA, after adjusting for age, gender and concomitant MTX, the adherence to anti-TNF treatment were similar in patients with RA and PsA whereas the adherence to anti-TNF treatment was superior in patients with AS compared to RA.
Dr Heiberg stated: "This is a fresh insight into the performance of these very good treatment options and helps to build a greater picture of how they work across the different rheumatology disease areas. Whilst many of the anti-TNFs were originally used in RA, it is most interesting to note that they could actually work for a comparatively larger proportion of patients with an AS diagnosis."
European League Against Rheumatism
The relative risk for withdrawal from TNF+MTX versus anti-TNF monotherapy was 0.54 for RA patients, 0.49 for PsA patients and 0.83 for AS patients, demonstrating that combination treatment strategy of anti-TNF+MTX worked better than anti-TNF monotherapy in patients with RA and PsA. Although the crude one-year overall drug adherence rates for anti-TNF therapy were superior in patients with PsA and AS compared to RA, after adjusting for age, gender and concomitant MTX, the adherence to anti-TNF treatment were similar in patients with RA and PsA whereas the adherence to anti-TNF treatment was superior in patients with AS compared to RA.
Dr Heiberg stated: "This is a fresh insight into the performance of these very good treatment options and helps to build a greater picture of how they work across the different rheumatology disease areas. Whilst many of the anti-TNFs were originally used in RA, it is most interesting to note that they could actually work for a comparatively larger proportion of patients with an AS diagnosis."
European League Against Rheumatism
New Therapies Current Events and New Therapies News RSSUT Southwestern aids national effort to recruit volunteers for medical research
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National Science Foundation congratulates Nobel Laureates in medicine/physiology, chemistry and economics
The National Science Foundation (NSF) congratulates the 2009 Nobel laureates, particularly those who have received NSF funding over the years: Jack W. Szostak, who shared the prize in physiology or medicine; Thomas A. Steitz, who shared the prize in chemistry; and Elinor Ostrom and Oliver E. Williamson who earned the Sveriges Riksbank Prize in economic sciences in memory of Alfred Nobel 2009.
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Governor recognizes stem cell research at Einstein
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New drug aims to 'seek and destroy' many types of cancer
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The vasculature emerges as a potential therapeutic target in treating ADPKD liver cysts
As part of an effort to develop effective medical therapies that block the progression of liver cyst growth in patients with Autosomal Dominant Polycystic Kidney Disease (ADPKD), researchers at the University of Colorado Anschutz Medical Center have found that the liver cyst walls develop and maintain a vasculature as they grow out from the body of the liver and that factors released by epithelial cells that line the liver cyst wall lumen can drive the proliferation and development of vascular endothelial cells.
Visionary concept earns La Jolla Institute scientist prestigious NIH Pioneer Award
A scientist at the La Jolla Institute for Allergy & Immunology has received one of the National Institutes of Health (NIH)'s top awards -- the 2009 NIH Director's Pioneer Award.
Mayo Clinic identifies 2 genes as potential therapeutic targets for multiple sclerosis
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