Gossypol in Treating Patients With Progressive or Recurrent Glioblastoma Multiforme
Conditions
- Adult Giant Cell Glioblastoma
- Adult Glioblastoma
- Adult Gliosarcoma
- Recurrent Adult Brain Tumor
Interventions
- DRUG: R-(-)-gossypol acetic acid
- OTHER: laboratory biomarker analysis
Sponsor
National Cancer Institute (NCI)