Tracers / [177Lu]Lu-NeoB

[177Lu]Lu-NeoB

Also written as [Lu-177]Lu-NeoB; [Lu-177]NeoB
Radionuclide
Lu-177 t½ 9584.6 min
Modality
Therapy
Production route
Stage
phase I/IIa clinical trial (first-in-human)
Syntheses indexed
2

What it is

Compound class
GRPR-targeting peptide (bombesin analog)
Target / mechanism
Gastrin-releasing peptide receptor (GRPR) antagonist/binder PMID 41344852
Clinical application
Radioligand therapy for advanced solid tumors overexpressing GRPR (e.g., gastrointestinal stromal tumors, prostate cancer, glioblastoma, breast cancer) in phase 1 first-in-human study PMID 41344852
Theranostic pair

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
41344852
2026 J Nucl Med
Manual synthesis>98%>97%NeoB37584725
2023 Eur J Nucl Med Mol Imaging
NeoB and RM2 were synthesized as described in Supplementary material 1. — [177Lu]Lu-NeoB and [177Lu]Lu-RM2 were obtained in > 98% RCY and > 97% RCP.

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Notes

Added at stage 21 from therapy-discovered.xlsx (bulk PubMed search by isotope/therapy-type/known-agent, not individually researched yet) -- 4 articles found. Target/mechanism, clinical application, indications, approval and precursor fields still need per-agent research and are intentionally left empty. Stage set/updated at stage 23 from PMID 41344852: 'NeoRay is a prospective, phase 1/2a, open-label, multicenter, first-in-human study of 177Lu-NeoB.'.