Treat to Target Approach Improves RA Outcomes
When doctors “treat to target” – with specific goals – patients improve faster and stick with meds.
Keeping rheumatoid arthritis (RA) under control is more likely to be successful when you and your doctor set goals and monitor your progress toward them, a concept known in medicine as treat to target (T2T).
T2T is a medical strategy that sets remission – defined as the absence of signs and symptoms of significant inflammatory disease activity – or low disease activity as a goal. Specific disease management targets are set. Then disease activity may be measured as frequently as monthly through lab tests and clinical examinations. If the targets are not reached, medications and/or doses are adjusted according to a predefined protocol. The process continues until the goal is achieved.
T2T vs. Routine Care for Early RA
Several studies have shown that the treat-to-target approach is effective in patients with early RA. In the largest of these, a Dutch study called the Dutch Rheumatoid Arthritis Monitoring (DREAM) trial, researchers found that remission was not only an achievable goal for patients with symptom duration of one year or less using the T2T approach, but that for almost half – 43% of 342 patients – was sustained at three-year follow-up. Those findings were published in Arthritis Care & Research.
“Our study showed that T2T results in low disease activity and high [sustained] remission rates, improved physical function, better health-related quality of life and limited radiographic damage, which sustain over three years,” says Marloes Vermeer, who led the study as a PhD student at the Arthritis Centre Twente, University of Twente, Enschede, The Netherlands.
The drug protocol in the study called for conventional disease-modifying anti-rheumatic drugs (DMARDs) as initial treatment, starting with a weekly 15-milligram dose of methotrexate, which was raised to 25 milligrams in poor responders. Sulfasalazine was added after 12 weeks, if necessary. For those still not responding at six months, an anti-TNF biologic, replaced the sulfasalazine.
But, Vermeer says, the majority of patients needed only the conventional drugs when used with a treat-to-target strategy. “Our study shows that methotrexate monotherapy, followed by combined treatment with other DMARDs, when indicated, is highly successful in achieving the treatment goal of remission, Vermeer says.
T2T for Longstanding RA
The trial was the first to show that “even in established RA treated with a specific biologic agent, patients will get into a low disease state faster and are more likely to remain on their biologic drug if doctors are treating to a target rather than performing usual care,” says lead study author Janet Pope, MD, professor of medicine and chair of the division of rheumatology with the University of Western Ontario Schulich School of Medicine & Dentistry, in Canada.
Dr. Pope says it is possible that doctors who treat to a specific target may make more changes in the therapies the patient is taking, whereas doctors who provide routine care may not make as many. These adjustments are what may lead to improved outcomes.
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