Patent ID: 6506364
Filing Date: 2003-01-14
Classification: A61K,A61P

Abstract:
A method for the study of renal function in an animal which comprises:administering to an animal an effective amount of a pharmaceutical formulation comprising as an active ingredient a radioiodinated compound of the formula wherein: m and n are independently 0, 1, 2 or 3, X is a sulfonate or a salt thereof, R, R1, R2 and R3 are independently hydrogen, C1-C4 alkyl or a carboxyl group, and I* is 123I, 131I or 125I, and its pharmaceutically-acceptable salts, with a pharmaceutically-acceptable carrier, having less than about 15% of unbound iodine present; collecting urine from the animal; and, determining radioactivity in the urine.