Potential of¹⁸⁸Re as an Alternative to¹⁷⁷Lu and Dosimetric Consequences

TO THE EDITOR: We read with interest the article “PSMA-GCK01: A Generator-Based 99mTc/188Re Theranostic Ligand for the Prostate-Specific Membrane Antigen” in The Journal of Nuclear Medicine ([1][1]). It is noteworthy that kidney accumulation of 188Re-PSMA-GCK01 in LNCaP tumor–bearing mice was