Cartilage as a Biomarker

  • Thomas M. Link


Traditionally biomarkers have been defined as biochemical substances that in addition to disease diagnosis allow classification of disease severity, risk of onset and progression, as well as assessment of the efficacy of a treatment [1]. The meaning of the generic term biomarkers, however, has been greatly expanded and applied to all detection methods used in the life sciences and may be defined as any detectable biologic parameter, whether biochemical, genetic, histologic, anatomic, physical, functional, or metabolic [2]. Development of biomarkers has been a major focus of the National Institutes of Health (NIH), in particular during the American Recovery and Reinvestment Act of 2009, and biomarkers were defined as measurements that define early biochemical and structural changes of a disease process such as osteoarthritis that may be applied as markers during longitudinal studies and provide information on disease progression. Eventually, these could be used for both preventive intervention and as preliminary indications for pathways of disease pathogenesis to guide therapeutic development (J. McGowan in According to the US Food and Drug Administration (FDA), biomarkers ideally would serve as surrogate markers synonymous with primary outcome measures in definitive effectiveness trials of new therapeutic agents [3].


Biomarker Cartilage Cartilage volume measurements dGEMRIC Imaging Joint space width (JSW) MRI gradings Radiographs 


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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Department of Radiology and Biomedical ImagingUniversity of California at San FranciscoSan FranciscoUSA

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