Quantitative MRI Imaging Methods for Osteoarthritis Clinical Trials

Magnetic Resonance Imaging (MRI) has emerged as a pivotal tool in clinical trials for osteoarthritis (OA) due to its superior ability to visualize joint structures and quantify disease progression. Advanced MRI techniques, including T2 and T2* mapping, ultrashort echo time (UTE) imaging, sodium imaging, and also volumetric analysis, enable detailed assessment of cartilage integrity, subchondral bone changes, and synovial inflammation. Semi-quantitative scoring systems facilitate standardized evaluation, while automated image analysis enhances reproducibility. Integration of MRI biomarkers with clinical outcomes improves the sensitivity of detecting therapeutic effects, making MRI indispensable for modern OA research. In this work, the accuracy, reproducibility, and sensitivity of fully automated methods are elaborated upon.