Overview Sorafenib in Relapsed High Grade Osteosarcoma Status: Completed Trial end date: 2011-06-01 Target enrollment: Participant gender: Summary Aim of this exploratory phase II study is to assess the clinical activity of sorafenib as single agent, in terms of percentage of patients with high grade advanced osteosarcoma free from progression following 4 months of therapy Phase: Phase 2 Details Lead Sponsor: Italian Sarcoma GroupTreatments: NiacinamideSorafenib