Patent ID: 9086419
Filing Date: 2015-07-21
Classification: G01N

Abstract:
1. A method for diagnosing spondyloarthropathy (SpA) in a human subject comprising: i) obtaining a blood serum or synovial fluid sample from said subject; ii) performing an immunoassay to detect the presence of growth differentiation factor 15 (GDF15) by applying a monoclonal antibody or fragment thereof specific for GDF15 to said sample, wherein the presence of GDF15 creates an antibody-GDF15 complex; iii) applying a detection agent that detects the presence of the antibody-GDF15 complex; iv) determining the amount of GDF15 present in said sample; and v) for a sample having a GDF15 concentration below a threshold of 700 pg/ml, diagnosing said patient for SpA.