Bone marrow suppressing agents.

摘要

The invention concerns a method for suppressing bone marrow which comprises administering to a mammal at least one bone marrow suppressing complex of a radionuclide selected from Samarium-153, Gadolinium-159, Holmium-166 and Yttrium-90 and at least one macrocyclic aminophosphonic acid ligand containing the 1,4,7,10-tetraazacyclododecane moiety, or a physiologically acceptable salt thereof. Suitable compositions for use in this method are also provided.