This disclosure relates to a drug delivery conjugate for targeted therapy.This disclosure relates to a method of treating a cancer expressing PSMA by a combination of formula i-lu or ia Lu or i-ac or ia AC compounds.The present disclosure is also a method of treating PSMA expressing cancer by a combination of formula i-lu or ia Lu or I AC or ia AC compounds in patients; It relates to methods of providing stable diseases after treatment with a combination of formula i-lu or ia Lu and I AC or ia AC compounds.
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