Condition: Brain and Central Nervous System Tumors
Interventions: Drug: gamma-secretase inhibitor RO4929097; Other: laboratory biomarker analysis; Other: pharmacological study; Procedure: adjuvant therapy; Procedure: neoadjuvant therapy; Procedure: therapeutic conventional surgery
Sponsors: Sidney Kimmel Comprehensive Cancer Center; Sidney Kimmel Comprehensive Cancer Center; National Cancer Institute (NCI)
Recruiting - verified May 2012