Tracers / [123I]MIBG

[123I]MIBG

Also written as I-123 MIBG; I-123-MIBG; MIBG
Radionuclide
I-123 t½ 792 min
Modality
SPECT
Production route
Stage
Syntheses indexed
33

What it is

Compound class
radioiodinated benzylguanidine (norepinephrine analogue)
Target / mechanism
Norepinephrine transporter-mediated uptake into sympathetic nerve terminals (noradrenergic/adrenergic system imaging) PMID 40262827
Clinical application
Diagnostic imaging of cardiac sympathetic innervation and neuroendocrine tumours (pheochromocytoma/paraganglioma, neuroblastoma) using [123I]MIBG SPECT/scintigraphy PMID 34023989
Theranostic pair
<a href="/tracers/i131-mibg/">i131-mibg</a>

Regulatory status

FDA
EMA (centralised)
Other approvals
Brand names

Clinical use

Typical injected activity
Uptake time

Reported in the literature. Not a dosing recommendation.

Published syntheses

ModuleCassettePurificationYield %RCP %Precursor / supplierSource
42453302
2026 JCEM Case Rep
42405858
2026 Mov Disord Clin Pract
42031675
2026 Brain Behav
41437969
2026 Urol Case Rep
41413609
2025 Cardiovasc Diabetol Endocrinol Rep
41332057
2025 Int J Surg Case Rep
41062315
2026 Intern Med
41026714
2025 PLoS One
40842753
2025 Cureus
40262827
2025 J Nucl Med Technol
40064709
2025 Eur J Nucl Med Mol Imaging
39909450
2025 Fukushima J Med Sci
39351526
2024 Front Endocrinol (Lausanne)
PDR Pharma, Japan
39294365
2024 Mol Imaging Biol
38848178
2024 J Alzheimers Dis
37629643
2023 Life (Basel)
34414983
2021 Medicine (Baltimore)
34023989
2021 Ann Nucl Med
32134983
2020 PLoS One
Manual synthesis9649115
1998 Br J Cancer
Using a no-carrier-added synthesis route, we produced 123I-, 125I-, 131I- and 211At-labelled benzylguanidines
38401301
2024 J Neurol Sci
16549383
2006 Parkinsonism Relat Disord
15981676
2005 Ann Nucl Med
11190582
2000 J Cardiol
9666388
1998 J Cardiol
42231758
2026 Nucl Med Commun
42113568
2026 Clin Nucl Med
42003573
2026 Nucl Med Rev Cent East Eur
41949892
2026 Clin Nucl Med
41906292
2026 Hinyokika Kiyo
37160439
2023 Eur J Nucl Med Mol Imaging
36435928
2023 Eur J Nucl Med Mol Imaging
30167932
2018 J Neural Transm (Vienna)

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Quality control Preliminary — inferred from compound class

Ph. Eur. monograph
USP monograph
AppearancepHRCP HPLCRCP TLCHPLC UVRadionuclidic (HPGe)Half-lifeActivityEndotoxins (LAL)SterilityFilter integrityMolar activity
How this set was arrived at. base set per Ph. Eur. general monograph 0125 (rule); receptor ligand with a saturable target -> molar activity (rule); organic-phase radiosynthesis assumed from isotope/compound class, no synthesis data confirming it -> GC residual solvents (preliminary)

Tests listed by reference only. Monograph texts are copyrighted and are not reproduced here. How these are derived

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Notes

Added from reverse module search (stage 6); 3 article(s) with I-123. Also seen with I-131[1] (too few articles for own row). | Stage 28: added indication(s) car-sympathetic from consolidated missing-rubric review.