Term: motexafin lutetium Pronunciation: (moh-TEK-suh-fin loo-TEE-shee-um) May 24, 2024October 7, 2025 Description: A substance that is being studied in the treatment of cancer using photodynamic therapy. It belongs to the family of drugs called metallotexaphyrins. Also called lutetium texaphyrin. Related Posts:LUTATHERA® (Lutetium Lu 177 dotatate)PLUVICTO® (Lutetium Lu 177 vipivotide tetraxetan)