Source: FDA, National Drug Code (US) Revision Year: 2019
During the 24 hours following injection, Technetium Tc 99m-labeled Technescan HDP is rapidly cleared from blood and other non-osseous tissues and accumulates in the skeleton and urine in humans. Blood levels are about 10% of the injected dose at one hour post-injection and continue to fall to about 6%, 4% and 3% at 2, 3 and 4 hours, respectively. When measured at 24 hours following its administration, skeletal retention is approximately 50% of the injected dose. Technescan HDP exhibits its greatest affinity for areas of altered osteogenesis and actively metabolizing bone.
No long-term animal studies have been performed to evaluate carcinogenic or mutagenic potential or whether Technetium Tc 99m Oxidronate affects fertility in males and females.
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