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Table 3 Absorbed kidney dose and effective dose of 18F-labeled tracer and metal-labeled exendin PET and SPECT tracers

From: Low kidney uptake of GLP-1R-targeting, beta cell-specific PET tracer, 18F-labeled [Nle14,Lys40]exendin-4 analog, shows promise for clinical imaging

Radiotracer Kidney dose [mSv/MBq] Effective dose [mSv/MBq]
[18F]exendin-4 0.300 0.021
[68Ga]Ga-DO3A-VS-Cys40-exendin-4 [46] 0.276 0.016
[64Cu]NODAGA-exendin-4 [3] 1.48 0.074
[111In]DTPA-exendin-4 [7] 4.48 0.155