RADIOACTIVE LIGATED RHENIUM COMPOUNDS AND METHODS OF PRODUCTION AND USE

摘要

A sterile pyrogen free Re<1><8><6> or Re<1><8><8> radiopharmaceutical is prepared by reducing radioactive perrhenate in the presence of a bone seeking ligand to form a solution including complexed Re-ligand compound together with impurities such as uncomplexed perrhenate, ReO2 and free ligand. The radiopharmaceutical is obtained by a low pressure purification method. The solution is added to a separation column (12), preferably an ion exchange column, and a first portion is eluted and discarded. The radiopharmaceutical is collected in a second eluted portion defined as having 25-85% of the activity of the Re on the column, less than 10% unligated perrhenate and less than 1% ReO2. This can be used as is to image and treat metastatic bone lesions. A simple kit is also disclosed.