Abstract
Pantoprazole, antiulcer drug, was labeled with 99mTc to obtain an agent for ulcer imaging. The radiochemical yield of 99mTc-Pantoprazole reaches approximately 96.5%. The optimum conditions are as follows: pH 10, 75 μg of tin chloride, 30 min, and 2 mg of the substrate. 99mTc-Pantoprazole was stable for 3 h. Intravenous biodistribution studies of 99mTc-Pantoprazole revealed high concentration in the stomach ulcer, reaching about 27.2% of the total injected dose at 30 min post injection. This concentration of 99mTc-Pantoprazole in stomach ulcer makes this agent promising for stomach ulcer imaging.
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Published in Russian in Radiokhimiya, 2013, Vol. 55, No. 3, pp. 280–283.
The text was submitted by the authors in English.
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Sanad, M.H., Ibrahim, I.T. Radiodiagnosis of peptic ulcer with technetium-99m-pantoprazole. Radiochemistry 55, 341–345 (2013). https://doi.org/10.1134/S106636221303017X
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DOI: https://doi.org/10.1134/S106636221303017X