Prioritization of COPD protein biomarkers, based on a systematic study of the literature
Journal Title: Advances in Precision Medicine - Year 2016, Vol 1, Issue 1
Abstract
Chronic Obstructive Pulmonary Disease (COPD) is a chronic lung disease mostly due to smoking and until now diagnosed by spirometry (post bronchodilator FEV1/FVC <70%). However, in spite of the usefulness of FEV1 as diagnostic and prognostic tool, it has proven to be a weak indicator of future exacerbations, unable to predict lung function decline within COPD patients, as well as unable to identify the smokers “susceptible” to developing COPD at an early stage. Thus, there is an urgent need for biomarkers that address these questions and support clinical decision making in the diagnosis and treatment of (early) COPD. In this respect, considerable efforts have been devoted to identifying protein biomarkers that enable a better understanding of this complex disease and leading to better diagnostic and prognostic tools. However, in spite of the wide range of candidates that have been suggested as potentially useful COPD biomarkers, most remained at the level of the initial discovery, and only fibrinogen has been approved by the Food and Drug Administration (FDA) as predictor for all-cause mortality and COPD exacerbations. There is thus a need for future investigations of these biomarkers in large-scale and well characterized studies in order to prove their usefulness as surrogate endpoints. Based on this, the aim of the present review is to advance COPD biomarker development by providing a comprehensive overview of protein biomarker candidates which have been evaluated in clinical studies and prioritize them according to their potential of becoming valid, clinically useful COPD biomarkers.
Authors and Affiliations
Sara Ongay, Frank Klont, Peter Horvatovich, Rainer Bischoff and Nick H. T. ten Hacken
Keywords
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