Testing the Addition of an Anticancer Drug, Olaparib, to the Usual Chemotherapy (Temozolomide) for Advanced Neuroendocrine Cancer
ACTIVE_NOT_RECRUITING
Status
Conditions
- Advanced Adrenal Gland Pheochromocytoma
- Advanced Paraganglioma
- Metastatic Adrenal Gland Pheochromocytoma
- Metastatic Paraganglioma
- Stage III Adrenal Gland Pheochromocytoma and Sympathetic Paraganglioma AJCC v8
- Stage IV Adrenal Gland Pheochromocytoma and Sympathetic Paraganglioma AJCC v8
- Unresectable Adrenal Gland Pheochromocytoma
- Unresectable Paraganglioma
Interventions
- PROCEDURE: Biospecimen Collection
- PROCEDURE: Computed Tomography with Contrast
- PROCEDURE: Magnetic Resonance Imaging
- DRUG: Olaparib
- OTHER: Quality-of-Life Assessment
- DRUG: Temozolomide
Sponsor
National Cancer Institute (NCI)