Clinical Trials Below are current clinical trials.61 studies in Orthopedic Surgery (open studies only). Filter this list of studies by location, status and more. A Study to Assess Biomarkers in Patients with Osteonecrosis of the Femoral Head Rochester, Minn. The purposes of this study is to isolate RNA from bone tissues from ONFH and osteoarthritis (OA) femoral heads and perform RNA sequencing to measure gene expression. Pagination Clinical studies PrevPrevious Page Go to page 55 Go to page 66 Go to page 77 Medical Professionals Orthopedic Surgery Clinical Trials