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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