Table 2. SUVmean Values for Anti-MSLN PET Tracers.
| [89Zr]Zr-DFO-5–2A10-VH-Fc (n = 3) | tumor | heart | blood | muscle | tumor: muscle | tumor: heart | tumor:blood | |
|---|---|---|---|---|---|---|---|---|
| 90 m | 0.46 ± 0.23 | 4.53 ± 2.01 | 4.33 ± 1.50 | 0.18 ± 0.09 | 2.48 ± 0.89 | 0.10 ± 0.01 | 0.10 ± 0.03 | |
| 18 h | 1.91 ± 0.38 | 1.38 ± 0.27 | 1.38 ± 0.34 | 0.24 ± 0.12 | 9.34 ± 3.71 | 1.39 ± 0.19 | 1.40 ± 0.20 | |
| 48 h | 2.08 ± 0.60 | 0.91 ± 0.29 | 0.90 ± 0.36 | 0.21 ± 0.11 | 10.88 ± 2.95 | 2.31 ± 0.26 | 2.60 ± 1.40 | |
| 96 h | 1.38 ± 0.31 | 0.74 ± 0.16 | 0.69 ± 0.58 | 0.13 ± 0.05 | 12.25 ± 5.76 | 1.87 ± 0.02 | 2.51 ± 1.88 | |
| 144 h | 1.18 ± 0.21 | 0.75 ± 0.17 | 1.17 ± 0.28 | 0.14 ± 0.05 | 8.71 ± 1.53 | 1.59 ± 0.13 | 1.08 ± 0.39 |
| [89Zr]Zr-DFO-5–3C9- VH-Fc (n = 4) | tumor | heart | blood | muscle | tumor: muscle | tumor: heart | tumor: blood | |
|---|---|---|---|---|---|---|---|---|
| 90 m | 0.26 ± 0.25 | 3.08 ± 2.65 | 2.82 ± 2.45 | 0.12 ± 0.03 | 2.41 ± 2.54 | 0.11 ± 0.06 | 0.06 ± 0.07 | |
| 18 h | 1.07 ± 0.48 | 1.26 ± 0.43 | 1.44 ± 0.28 | 0.20 ± 0.08 | 6.72 ± 4.49 | 0.98 ± 0.58 | 0.77 ± 0.37 | |
| 48 h | 1.00 ± 0.39 | 0.80 ± 0.20 | 1.00 ± 0.40 | 0.16 ± 0.07 | 8.08 ± 5.78 | 1.33 ± 0.60 | 1.01 ± 0.07 | |
| 96 h | 0.82 ± 0.33 | 0.65 ± 0.14 | 0.67 ± 0.22 | 0.15 ± 0.05 | 6.71 ± 4.52 | 1.31 ± 0.57 | 1.47 ± 1.34 | |
| 144 h | 0.84 ± 0.15 | 0.66 ± 0.18 | 0.72 ± 0.37 | 0.18 ± 0.06 | 5.29 ± 2.36 | 1.29 ± 0.14 | 1.35 ± 0.42 |
| [89Zr]Zr-DFO-5-m912 IgG1(n = 4) | tumor | heart | blood | muscle | tumor: muscle | tumor: heart | tumor: blood | |
|---|---|---|---|---|---|---|---|---|
| 90 m | ||||||||
| 18 h | 0.86 ± 0.12 | 1.50 ± 0.31 | 1.44 ± 0.11 | 0.22 ± 0.17 | 5.85 ± 3.51 | 0.61 ± 0.23 | 0.60 ± 0.12 | |
| 48 h | 0.54 ± 0.21 | 0.62 ± 0.09 | 1.07 ± 0.56 | 0.12 ± 0.05 | 5.56 ± 3.03 | 0.87 ± 0.26 | 0.82 ± 0.51 | |
| 96 h | 0.62 ± 0.29 | 0.73 ± 0.07 | 0.92 ± 0.26 | 0.11 ± 0.02 | 5.70 ± 2.73 | 0.84 ± 0.34 | 0.65 ± 0.17 | |
| 144 h | 0.73 ± 0.37 | 0.76 ± 0.08 | 1.35 ± 0.43 | 0.18 ± 0.11 | 5.78 ± 4.96 | 0.96 ± 0.45 | 0.45 ± 0.27 |
| [89Zr]Zr-DFO-5–3C9- VH-Fc (n = 4) | tumor | heart | blood | muscle | tumor: muscle | tumor: heart | tumor: blood | |
|---|---|---|---|---|---|---|---|---|
| 90 m | 0.26 ± 0.25 | 3.08 ± 2.65 | 2.82 ± 2.45 | 0.12 ± 0.03 | 2.41 ± 2.54 | 0.11 ± 0.06 | 0.06 ± 0.07 | |
| 18h | 1.07 ± 0.48 | 1.26 ± 0.43 | 1.44 ± 0.28 | 0.20 ± 0.08 | 6.72 ± 4.49 | 0.98 ± 0.58 | 0.77 ± 0.37 | |
| 48 h | 1.00 ± 0.39 | 0.80 ± 0.20 | 1.00 ± 0.40 | 0.16 ± 0.07 | 8.08 ± 5.78 | 1.33 ± 0.60 | 1.01 ± 0.07 | |
| 96 h | 0.82 ± 0.33 | 0.65 ± 0.14 | 0.67 ± 0.22 | 0.15 ± 0.05 | 6.71 ± 4.52 | 1.31 ± 0.57 | 1.47 ± 1.34 | |
| 144 h | 0.84 ± 0.15 | 0.66 ± 0.18 | 0.72 ± 0.37 | 0.18 ± 0.06 | 5.29 ± 2.36 | 1.29 ± 0.14 | 1.35 ± 0.42 |
| [89Zr]Zr-DFO-5-m912 IgG1(n = 4) | tumor | heart | blood | muscle | tumor: muscle | tumor: heart | tumor: blood | |
|---|---|---|---|---|---|---|---|---|
| 90 m | ||||||||
| 18h | 0.86 ± 0.12 | 1.50 ± 0.31 | 1.44 ± 0.11 | 0.22 ± 0.17 | 5.85 ± 3.51 | 0.61 ± 0.23 | 0.60 ± 0.12 | |
| 48 h | 0.54 ± 0.21 | 0.62 ± 0.09 | 1.07 ± 0.56 | 0.12 ± 0.05 | 5.56 ± 3.03 | 0.87 ± 0.26 | 0.82 ± 0.51 | |
| 96 h | 0.62 ± 0.29 | 0.73 ± 0.07 | 0.92 ± 0.26 | 0.11 ± 0.02 | 5.70 ± 2.73 | 0.84 ± 0.34 | 0.65 ± 0.17 | |
| 144 h | 0.73 ± 0.37 | 0.76 ± 0.08 | 1.35 ± 0.43 | 0.18 ± 0.11 | 5.78 ± 4.96 | 0.96 ± 0.45 | 0.45 ± 0.27 |