Study Status: Completed
Recruit Status: Completed
Study Type: Interventional
Official Title: A Phase II Study of the Raf Kinase and Receptor Tyrosine Kinase Inhibitor Sorafenib in Children and Young Adults With Relapsed/Refractory Rhabdomyosarcoma, Wilms Tumor, Hepatocellular Carcinoma, and P
Brief Summary: This phase II trial studies how well sorafenib tosylate works in treating younger patients with relapsed or refractory rhabdomyosarcoma, Wilms tumor, liver cancer, or thyroid cancer. Sorafenib tosylate may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth.