Table 3.
% Injected Dose/g tissue | ||||
---|---|---|---|---|
Organs | [18F]MFBG* | 123I-MIBG† | [124I]MIBG* | |
4 h p.i. (n = 6) |
4 h p.i. (n = 4) |
4 h p.i. (n = 5) |
24 h p.i. (n = 5) |
|
C6-hNET | 4.25±0.95 | 4.02±0.35 | 6.02±0.51 | 3.58±0.55 |
C6-WT | 0.57±0.08 | 0.49±0.04 | 1.27±0.10 | 0.22±0.02 |
Blood | 0.25±0.05 | 0.66±0.10 | 0.76±0.15 | 0.21±0.02 |
Stomach | 0.46±0.12 | 0.77±0.34 | 2.85±0.54 | 1.08±0.08 |
Kidneys | 0.99±0.29 | 0.84±0.11 | 2.09±0.10 | 0.64±0.04 |
Intestinal wall (S) | 2.16±0.26 | 3.67±1.05 | 10.3±0.6 | 2.66±0.18 |
Intestinal contents (S) | 1.36±0.11 | 5.24±0.46 | 6.92±1.79 | 1.76±0.40 |
Intestinal wall (L) | 1.72±0.52 | 2.96±0.74 | 7.88±0.74 | 3.18±0.45 |
Intestinal contents (L) | 1.26±0.23 | 2.25±0.29 | 3.62±0.89 | 2.00±0.06 |
Pancreas | 0.78±0.06 | 1.15±0.13 | 3.48±0.31 | 0.75±0.10 |
Spleen | 1.50±0.19 | 2.51±0.29 | 4.43±0.35 | 1.36±0.27 |
Liver | 2.05±0.30 | 2.27±0.18 | 5.42±0.44 | 1.00±0.05 |
Muscle | 0.62±0.09 | 0.95±0.13 | 3.21±0.28 | 0.69±0.07 |
Heart | 2.21±0.66 | 2.10±0.14 | 19.6±2.5 | 2.93±0.17 |
Lungs | 1.30±0.20 | 2.84±0.38 | 9.50±2.26 | 1.55±0.37 |
Adrenals | 5.56±2.34 | 7.34±2.63 | 13.9±1.7 | 7.46±1.78 |
Bone | 0.89±0.16 | 0.71±0.10 | 2.56±0.27 | 0.45±0.09 |
Salivary glands | 6.09±1.02 | 8.41±0.83 | 29.1±1.8 | 7.95±0.81 |
C6-hNET/tissue ratio | ||||
Blood | 17.1±4.4 | 6.4±1.3 | 8.4±1.9 | 17.0±3.1 |
Muscle | 6.8±0.9 | 4.3±0.4 | 1.9±0.3 | 5.2±0.4 |
Liver | 2.1±0.4 | 1.8±0.2 | 1.1±0.2 | 3.6±0.7 |
Intestine wall (S) | 1.9±0.4 | 1.4±0.3 | 0.6±0.1 | 1.4±0.2 |
Intestine wall (L) | 1.8±0.7 | 1.7±0.2 | 0.8±0.1 | 1.1±0.2 |
Heart | 0.6±0.4 | 1.9±0.1 | 0.3±0.1 | 1.2±0.2 |
Adrenal | 1.9±0.7 | 0.7±0.2 | 0.4±0.0 | 0.5±0.1 |
Salivary gland | 0.7±0.1 | 0.5±0.0 | 0.2±0.0 | 0.5±0.1 |
No carrier added synthesis;
Carrier-added (~0.31 GBq/µmol); Values: Mean ± SD.