{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Iobenguane+I-123", "query": { "intervention": "Iobenguane I-123" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 16, "total_pages": 2, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Iobenguane+I-123&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-16T18:03:58.371Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT04510311", "title": "Imaging Properties of PET Radiotracer [18F]3F-PHPG in Patients With Neuroendocrine Tumors", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Neuroendocrine Tumors" ], "interventions": [ { "name": "3-[18F]Fluoro-para-hydroxyphenethylguanidine", "type": "DRUG" }, { "name": "[123I] metaiodobenzylguanidine", "type": "DRUG" }, { "name": "Positron emission tomography/computed tomography scan", "type": "DIAGNOSTIC_TEST" }, { "name": "Planar scintigraphy scan", "type": "DIAGNOSTIC_TEST" }, { "name": "Single photon emission computed tomography/computed tomography scan", "type": "DIAGNOSTIC_TEST" } ], "intervention_types": [ "DRUG", "DIAGNOSTIC_TEST" ], "sponsor": "University of Michigan Rogel Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 32, "start_date": "2020-10-19", "completion_date": "2024-12-31", "has_results": false, "last_update_posted_date": "2026-06-08", "last_synced_at": "2026-09-16T18:03:58.371Z", "location_count": 1, "location_summary": "Ann Arbor, Michigan", "locations": [ { "city": "Ann Arbor", "state": "Michigan" } ], "official_url": "https://clinicaltrials.gov/study/NCT04510311" }, { "nct_id": "NCT01936649", "title": "Open-label, Test-retest Study Assessing Reproducibility of Quantitative Measurements of Myocardial Uptake of AdreView.", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Heart Failure (HF)", "Ventricular Dysfunction, Left" ], "interventions": [ { "name": "AdreView (Iobenguane I 123 Injection)", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "GE Healthcare", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 63, "start_date": "2013-08", "completion_date": "2014-02", "has_results": true, "last_update_posted_date": "2016-12-08", "last_synced_at": "2026-09-16T18:03:58.371Z", "location_count": 1, "location_summary": "Princeton, New Jersey", "locations": [ { "city": "Princeton", "state": "New Jersey" } ], "official_url": "https://clinicaltrials.gov/study/NCT01936649" }, { "nct_id": "NCT00126438", "title": "Meta-Iodobenzylguanidine (123I-mIBG) Scintigraphy Imaging in Patients With Heart Failure and Control Subjects Without Cardiovascular Disease", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Heart Failure, Congestive" ], "interventions": [ { "name": "123I-mIBG (meta-iodobenzylguanidine)", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "GE Healthcare", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 515, "start_date": "2005-07", "completion_date": "2008-09", "has_results": true, "last_update_posted_date": "2018-03-14", "last_synced_at": "2026-09-16T18:03:58.371Z", "location_count": 1, "location_summary": "Princeton, New Jersey", "locations": [ { "city": "Princeton", "state": "New Jersey" } ], "official_url": "https://clinicaltrials.gov/study/NCT00126438" }, { "nct_id": "NCT00126412", "title": "Meta-Iodobenzylguanidine (123I mIBG) Scintigraphy in Patients Being Evaluated for Phaeochromocytoma or Neuroblastoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pheochromocytoma", "Neuroblastoma" ], "interventions": [ { "name": "123I-mIBG (meta-iodobenzylguanidine)", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "GE Healthcare", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "ALL", "summary": "Not listed" }, "enrollment_count": 251, "start_date": "2005-08-02", "completion_date": "2006-09-27", "has_results": false, "last_update_posted_date": "2019-05-31", "last_synced_at": "2026-09-16T18:03:58.371Z", "location_count": 1, "location_summary": "Princeton, New Jersey", "locations": [ { "city": "Princeton", "state": "New Jersey" } ], "official_url": "https://clinicaltrials.gov/study/NCT00126412" }, { "nct_id": "NCT03126916", "title": "Testing the Addition of 131I-MIBG or Lorlatinib to Intensive Therapy in People With High-Risk Neuroblastoma (NBL)", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Ganglioneuroblastoma", "Ganglioneuroblastoma, Nodular", "Neuroblastoma" ], "interventions": [ { "name": "Autologous Hematopoietic Stem Cell Transplantation", "type": "PROCEDURE" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Bone Marrow Aspiration and Biopsy", "type": "PROCEDURE" }, { "name": "Busulfan", "type": "DRUG" }, { "name": "Carboplatin", "type": "DRUG" }, { "name": "Cisplatin", "type": "DRUG" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Cyclophosphamide", "type": "DRUG" }, { "name": "Dexrazoxane Hydrochloride", "type": "DRUG" }, { "name": "Dinutuximab", "type": "BIOLOGICAL" }, { "name": "Doxorubicin Hydrochloride", "type": "DRUG" }, { "name": "Echocardiography Test", "type": "PROCEDURE" }, { "name": "Etoposide Phosphate", "type": "DRUG" }, { "name": "External Beam Radiation Therapy", "type": "RADIATION" }, { "name": "Iobenguane I-123", "type": "RADIATION" }, { "name": "Iobenguane I-131", "type": "RADIATION" }, { "name": "Isotretinoin", "type": "DRUG" }, { "name": "Lorlatinib", "type": "DRUG" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Melphalan Hydrochloride", "type": "DRUG" }, { "name": "Multigated Acquisition Scan", "type": "PROCEDURE" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" }, { "name": "Sargramostim", "type": "BIOLOGICAL" }, { "name": "Therapeutic Conventional Surgery", "type": "PROCEDURE" }, { "name": "Thiotepa", "type": "DRUG" }, { "name": "Topotecan Hydrochloride", "type": "DRUG" }, { "name": "Vincristine Sulfate", "type": "DRUG" } ], "intervention_types": [ "PROCEDURE", "DRUG", "BIOLOGICAL", "RADIATION" ], "sponsor": "Children's Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": "365 Days", "maximum_age": "30 Years", "sex": "ALL", "summary": "365 Days to 30 Years" }, "enrollment_count": 750, "start_date": "2018-05-14", "completion_date": "2030-09-30", "has_results": false, "last_update_posted_date": "2026-08-25", "last_synced_at": "2026-09-16T18:03:58.371Z", "location_count": 152, "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 121 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Downey", "state": "California" }, { "city": "Loma Linda", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03126916" }, { "nct_id": "NCT01522378", "title": "Cardiac Resynchronization and Iodine Meta-Iodobenzylguanidine (MIBG) Imaging", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Congestive Heart Failure" ], "interventions": [ { "name": "123 iodine metaiodobenzylguanidine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Mayo Clinic", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 14, "start_date": "2012-02", "completion_date": "2016-02", "has_results": false, "last_update_posted_date": "2017-04-26", "last_synced_at": "2026-09-16T18:03:58.371Z", "location_count": 1, "location_summary": "Rochester, Minnesota", "locations": [ { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT01522378" }, { "nct_id": "NCT02656329", "title": "International Study to Determine if AdreView Heart Function Scan Can be Used to Identify Patients With Mild or Moderate Heart Failure (HF) That Benefit From Implanted Medical Device", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Heart Failure" ], "interventions": [ { "name": "Iobenguane I -123 Injection", "type": "DRUG" }, { "name": "Implantable Cardioverter Defibrillator", "type": "DEVICE" }, { "name": "Thyroid blocking", "type": "DRUG" } ], "intervention_types": [ "DRUG", "DEVICE" ], "sponsor": "GE Healthcare", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 395, "start_date": "2015-12-30", "completion_date": "2018-05-04", "has_results": true, "last_update_posted_date": "2019-05-22", "last_synced_at": "2026-09-16T18:03:58.371Z", "location_count": 29, "location_summary": "Birmingham, Alabama • Bakersfield, California • La Mesa, California + 24 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Bakersfield", "state": "California" }, { "city": "La Mesa", "state": "California" }, { "city": "New Haven", "state": "Connecticut" }, { "city": "West Haven", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT02656329" }, { "nct_id": "NCT05514106", "title": "MIBG in Aging and Neurologic Disorders", "overall_status": "ENROLLING_BY_INVITATION", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Lewy Body Disease", "Dementia", "Parkinsonism", "Mild Cognitive Impairment", "REM Sleep Behavior Disorder" ], "interventions": [ { "name": "meta-iodobenzylguanidine (MIBG) (123I)", "type": "DRUG" }, { "name": "123I-MIBG scintigraphy", "type": "DIAGNOSTIC_TEST" } ], "intervention_types": [ "DRUG", "DIAGNOSTIC_TEST" ], "sponsor": "Mayo Clinic", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "40 Years", "maximum_age": "90 Years", "sex": "ALL", "summary": "40 Years to 90 Years" }, "enrollment_count": 50, "start_date": "2023-05-08", "completion_date": "2027-09", "has_results": false, "last_update_posted_date": "2026-07-30", "last_synced_at": "2026-09-16T18:03:58.371Z", "location_count": 1, "location_summary": "Rochester, Minnesota", "locations": [ { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT05514106" }, { "nct_id": "NCT01432626", "title": "Pathogenesis of Stress-Induced Cardiomyopathy by I-123 MIBG", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Stress Induced Cardiomyopathy" ], "interventions": [ { "name": "I-123 radiolabeled metaiodobenzylguanidine cardiac imaging", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Pittsburgh", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 10, "start_date": "2011-09", "completion_date": "2015-06", "has_results": true, "last_update_posted_date": "2016-03-22", "last_synced_at": "2026-09-16T18:03:58.371Z", "location_count": 1, "location_summary": "Pittsburgh, Pennsylvania", "locations": [ { "city": "Pittsburgh", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT01432626" }, { "nct_id": "NCT00126425", "title": "Meta-Iodobenzylguanidine Scintigraphy Imaging in Patients With Heart Failure and Control Subjects Without Cardiovascular Disease", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Heart Failure, Congestive" ], "interventions": [ { "name": "123I-mIBG (meta-iodobenzylguanidine)", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "GE Healthcare", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 587, "start_date": "2005-07", "completion_date": "2008-12", "has_results": true, "last_update_posted_date": "2016-12-13", "last_synced_at": "2026-09-16T18:03:58.371Z", "location_count": 1, "location_summary": "Princeton, New Jersey", "locations": [ { "city": "Princeton", "state": "New Jersey" } ], "official_url": "https://clinicaltrials.gov/study/NCT00126425" } ] }