Liothyronine I-125

**Semantic type:** Pharmacologic Substance

**Definition:** A radioconjugate of synthetic active thyroid hormone, liothyronine (T3), labeled with Iodine 125. Liothyronine involves many important metabolic functions and is essential to the proper development and differentiation of all cells. I-125 liothyronine may be used in radiotherapy in thyroid cancers.

**Synonyms:** - LIOTHYRONINE I-125 - Liothyronine I 125