#$%^&*AU2020200214A120200206.pdf#####ABSTRACT A method of reducing radiation exposure of a non-cancerous tissue of a patient diagnosed with a cancer includes administering to the patient an agent capable of competing for binding sites on a surface of the non-cancerous tissue, provided that the administration is carried out after a waiting period that follows administration of a compound including a radionuclide to the patient, the compound having affinity for both a cancerous tissue and the non-cancerous tissue, and, further provided that the binding sites have an affinity for both the agent and the compound.1/6 [1251]MIP1095 PMPA CLEARANCEb 16h ~h 20hb22h 46-8h 16h 1h20h 22h 46-48h CONTROL: ~ 0.2mg/kg: I 4 ? I1mg/kg I10mg/kg: 4 h L 50mg/kg: FIG.I