Abstract

Purpose: Imaging plays an important role in defining structural disease severity and potential suitability of patients recruited to disease-modifying osteoarthritis drug (DMOAD) trials. A common target tissue of DMOADs is cartilage and structural success of a clinical trial is usually defined by reduced cartilage loss or increase in cartilage thickness compared to placebo, commonly in the medial tibio-femoral joint (TFJ). To be eligible for inclusion into a DMOAD trial from a structural perspective, knees with Kellgren-Lawrence (KL) grades 2 and 3 are typically included.

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