Iodine I 131 Metaiodobenzylguanidine in Treating Patients With Recurrent, Progressive, or Refractory Neuroblastoma or Malignant Pheochromocytoma or Paraganglioma
2 versionsRe-verified since Apr 1, 2026, no change to tracked fieldsv66-v67
NotablePrimary and study completion dates: May 2026 to May 2027v65
Re-verified, no change to tracked fieldsv64
MinorEligibility criteria shortened, about 2 wordsv63
Re-verified, no change to tracked fieldsv62
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MinorSite contact updatedv61
Re-verified, no change to tracked fieldsv60
NotablePrimary and study completion dates: May 2025 to May 2026
Eligibility criteria expanded, about 17 words
v59
MinorSite contact updatedv58
MinorInterventions: iobenguane I 131 (Radiation) to iobenguane I 131 (Drug)
Site contact updated
v57
2 versionsRe-verified since Mar 8, 2024, no change to tracked fieldsv55-v56
NotablePrimary and study completion dates: May 2023 to May 2025v54
3 versionsRe-verified since Apr 26, 2022, no change to tracked fieldsv51-v53
MinorSite contact updatedv50
MinorEnrollment target: 150 to 200v49
NotablePrimary and study completion dates: May 2022 to May 2023v48
NotablePrimary and study completion dates: May 2021 to May 2022v47
NotablePrimary and study completion dates: May 2020 to May 2021v46
NotablePrimary and study completion dates: May 2019 to May 2020v45
NotableEnrollment target: 80 to 150v44
NotablePrimary and study completion dates: May 2018 to May 2019v43
NotablePrimary and study completion dates: May 2017 to May 2018v42
MinorStudy description shortened, about 190 words
Site contact updated
v41
NotablePrimary and study completion dates: May 2016 to May 2017v40
2 versionsRe-verified since Jul 21, 2015, no change to tracked fieldsv38-v39
NotablePrimary and study completion dates: May 2015 to May 2016
Eligibility criteria expanded, about 122 words
Study site revised
v37
Re-verified, no change to tracked fieldsv36
NotablePrimary and study completion dates: May 2014 to May 2015v35
2 versionsRe-verified since Jul 31, 2013, no change to tracked fieldsv33-v34
NotablePrimary and study completion dates: May 2013 to May 2014v32
NotableEnrollment target: 38 to 80v31Show 7 more changesShow less
Primary completion date: Jan 2010 to May 2013
Study completion date: May 2013
Secondary endpoints: details revised at 1 of 1 entry
Study description shortened, about 29 words
Site contact updated
Study arms: 0 to 1
Collaborators expanded, about 4 words
MinorStudy description revisedv30
MinorStudy description expanded, about 20 wordsv29
2 versionsRe-verified since Jul 7, 2009, no change to tracked fieldsv27-v28
MinorInterventions: arsenic trioxide (Drug), iodine I 131 metaiodobenzylguanidine (Radiation) to iobenguane I 131 (Radiation)
Study description shortened, about 10 words
Study title shortened, about 3 words
v26
MinorSite details revisedv25
MinorInterventions: arsenic trioxide (Drug), iodine I 131 metaiodobenzylguanidine (Drug) to arsenic trioxide (Drug), iodine I 131 metaiodobenzylguanidine (Radiation)v24
Re-verified, no change to tracked fieldsv23
NotableStart date: Jan 2005 to May 2006v22
2 versionsRe-verified since Jul 23, 2008, no change to tracked fieldsv20-v21
Study Status, Contacts/Locationsv19
MinorInterventions: arsenic trioxide (Drug), chemotherapy (Procedure), iodine I 131 metaiodobenzylguanidine (Drug), radioisotope therapy (Procedure)… to arsenic trioxide (Drug), iodine I 131 metaiodobenzylguanidine (Drug)v18
Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
Minor: routine progress and housekeeping, such as sites added or enrollment closed.
The purpose of this research study is to find how active and safe 131 I-MIBG is in patients with resistant neuroblastoma, malignant pheochromocytoma and malignant paraganglioma.