Is Y90 Ibritumomab tiuxetan Safe in Breastfeeding

I am a breastfeeding mother and i want to know if it is safe to use Y90 Ibritumomab tiuxetan? Is Y90 Ibritumomab tiuxetan safe for nursing mother and child? Does Y90 Ibritumomab tiuxetan extracts into breast milk? Does Y90 Ibritumomab tiuxetan has any long term or short term side effects on infants? Can Y90 Ibritumomab tiuxetan influence milk supply or can Y90 Ibritumomab tiuxetan decrease milk supply in lactating mothers?

Information in this record refers to the use of Y90 Ibritumomab tiuxetan as a therapeutic agent. No information is available on the use of Y90 Ibritumomab tiuxetan during breastfeeding. Because of the long half-life of yttrium 90, the manufacturer and expert opinion recommend not administering the drug in women who wish to continue breastfeeding.[1] If the drug is administered to a nursing mother, breastfeeding should be discontinued. No restrictions on holding the infant after administration of the drug are necessary.[2]