Abstract
Technetium-99m-labeled alendronate is a new radiopharmaceutical for bone scanning developed under strict quality control at the INNSZ. The purpose of this work was to compare the radiopharmacokinetic data and the dosimetry of 99mTc-ABP and 99mTc-MDP in 10 volunteers, after it was tested in laboratory animals. 99mTc-ABP has shorter mean residence time (MRT) and t 1 2 β; is less protein bound; has a higher renal clearance; smaller Vdss, and similar bone uptake at 1 and 2 h. 99mTc-ABP gives less radiation exposure to the patient with a 740 MBq dose, and the quality of the bone scan is excellent. 99mTc-ABP is a better radiopharmaceutical than 99mTc-MDP for bone scanning.
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