Patent ID: 9549999
Date: 2017-01-24
CPC Classifications: A61K,A61P

Claim:
1. A radiopharmaceutical composition consisting essentially of: (i) a (ii) non-radioactive tetrofosmin; and, (iii) a radioprotectant chosen from ascorbic acid or a salt thereof with a biocompatible cation; wherein the molar ratio of total tetrofosmin (i)+(ii) to radioprotectant (iii) is in the range 0.2:1.0 to 1.0:1.0, the concentration of said radioprotectant is in the range 0.3-0.6 mM, the pH of the composition is 8.0 to 9.2, and the concentration of total tetrofosmin is in the range 0.12-0.40 mM.