Deuterated rapamycin can be controllably introduced target locations within
the patient's body by using an implantable medical device having a structure incorporated
with a therapeutic agent comprising a deuterated rapamycin. Representative deuterated
rapamycins include epi-7-deuteromthyl rapamycin, 7,43-d6 rapamycin,
7-deuteromethyl rapamycin and 31,42-d2-rapamycin and isomers thereof,
and mixtures thereof. The deuterated rapamycin can also be glycosylated.