Overview Compassionate Use of 131I-MIBG for Patients With Malignant Pheochromocytoma Status: Approved for marketing Trial end date: 1969-12-31 Target enrollment: Participant gender: Summary This is a compassionate use protocol to allow palliative therapy for patients with malignant pheochromocytoma and paragangliomas. Details Lead Sponsor: University of California, San FranciscoTreatments: 3-Iodobenzylguanidine