Lutetium Lu 177 R11228

**Semantic type:** Pharmacologic Substance

**Definition:** A radioconjugate composed of R11228, which targets an as of yet unelucidated target on tumor cells, that is conjugated to the radionuclide and beta-emitter lutetium Lu 177, with potential antineoplastic activity. Upon administration of lutetium Lu 177 R11228, the R11228 moiety targets and binds to tumor cells expressing the target. Upon binding, the tumor cells may be eradicated upon direct cytotoxicity through beta radiation.

**Synonyms:** - 177Lu-R11228 - Lutetium Lu 177-R11228 - Lutetium Lu 177-labeled R11228