Summary of Pigs Used
| Pig no. | Scan type | Purpose | Biologic sample evaluation |
| 1 | Whole-body baseline + postmetformin | Biodistribution + dosimetry | Plasma + urine metabolite |
| 2 | Dynamic PET/CT baseline | Pharmacokinetic | Plasma metabolite |
| 3 | Dynamic PET/CT baseline | Pharmacokinetic | Plasma metabolite |
| 4 | Dynamic PET/CT baseline + postmetformin | Pharmacokinetic | Plasma metabolite |
| 5 | Bolus + constant infusion | Renal clearance | Plasma protein binding, plasma + urine metabolite |
| 6 | Bolus + constant infusion | Renal clearance | Plasma protein binding, plasma + urine metabolite |