Changes in Body Composition Under Ustekinumab in PsA

"The bone mineral density (BMD) performed by DXA, which will allow the analysis of bone density (mg / cm²) at the lumbar spine (BMD L1 to L4) and the total hip (non-dominant).~This examination will also allow an analysis of the body composition at the same time (lean mass, fat mass and bone mass for the whole body)."