S0514 Sorafenib in Treating Patients With Unresectable or Metastatic Gallbladder Cancer or Cholangiocarcinoma
Conditions
- Adenocarcinoma of the Extrahepatic Bile Duct
- Adenocarcinoma of the Gallbladder
- Adenocarcinoma With Squamous Metaplasia of the Gallbladder
- Cholangiocarcinoma of the Extrahepatic Bile Duct
- Cholangiocarcinoma of the Gallbladder
- Recurrent Extrahepatic Bile Duct Cancer
- Recurrent Gallbladder Cancer
- Squamous Cell Carcinoma of the Gallbladder
- Unresectable Extrahepatic Bile Duct Cancer
- Unresectable Gallbladder Cancer
Interventions
- DRUG: sorafenib tosylate
- OTHER: laboratory biomarker analysis
Sponsor
National Cancer Institute (NCI)