J Rheumatol
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The Outcome Measures in Rheumatology (OMERACT) Filter provides guidelines for the development and validation of outcome measures for use in clinical research. The "Truth" section of the OMERACT Filter requires that criteria be met to demonstrate that the outcome instrument meets the criteria for content, face, and construct validity. ⋯ These issues will require resolution to reach consensus on how Truth will be assessed for the proposed Filter 2.0 framework, for instruments to be endorsed by OMERACT.
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The Outcome Measures in Rheumatology (OMERACT) community strives to develop core outcome sets for rheumatologic conditions to specify, for each condition, the minimum set of outcomes necessary to provide consistent estimates of the benefits of an intervention. The original and successful OMERACT filter of "truth, discrimination, and feasibility" requires development and updating because of application to a widening range of conditions by an expanding group, particularly patients. It should more explicitly identify the relevant core outcomes that might be universal to all randomized controlled trials within rheumatology. Working from first principles, comparing proposals against actual procedures adopted by OMERACT working groups, and seeking a broad consensus over several major sessions at the OMERACT 11 meeting, a new version has emerged, OMERACT Filter 2.0, which will form the central theme of the intended OMERACT handbook and offers an approach to core outcome set development in many areas of healthcare.
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To explore the knowledge, beliefs, and experiences of general practitioners (GP) about inflammatory back pain (IBP) and axial spondyloarthritis (axSpA) and potential barriers for referral of patients suspected of having axSpA. ⋯ GP are aware of "classic", but longterm features of axSpA. Knowledge about the disease spectrum and early detection is, however, limited. Addressing these issues in training programs may improve recognition of axSpA in primary care. This may ultimately contribute to earlier referral, diagnosis, and initiation of effective treatment in patients with axSpA.
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Observational Study
Effect of urate-lowering therapies on renal disease progression in patients with hyperuricemia.
To evaluate the association between hyperuricemia and renal disease progression in a real-world, large observational database study. ⋯ Hyperuricemia is an independent risk factor for renal function decline. Patients treated with ULT who achieved sUA < 6 mg/dl on ULT showed a 37% reduction in outcome events.
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The Outcome Measures in Rheumatology (OMERACT) international consensus initiative has successfully developed core sets of outcome measures for trials of many rheumatologic conditions, but its expanding scope called for clarification and updating of its underlying conceptual framework and working process. To develop a core set of what we propose to call outcome measurement instruments, consensus must be reached both on what to measure and how to measure. This article deals with the first part: a framework necessary to ensure comprehensiveness of the domains chosen for measurement. We formulated a conceptual framework of core measurement areas in clinical trials, for discussion at the OMERACT 11 conference. ⋯ In an iterative process, we have developed a generic framework for outcome measurement and working definitions of key concepts ready for discussion at the OMERACT 11 conference.