Abstract
Background
The combined application of potent β-emitting isotopes for therapy with γ-emitting isotopes for scintigraphy requires a profound regimen concerning team member safety and radionuclide quantification.
Methods
We have developed materials and methods for a proper and easy manipulation of90Y during preparation and administration of90Y/111In pharmaceuticals used for radioimmunotherapy.
Results
The efficacy of the shielding measures is documented. Protocols for the calibration of β-dose calibrators with respect to90Y are extended to the assessment of quench-corrected liquid scintillation counting of90Y. The contribution of90Y backscatter to111In counting is quantified. Newly developed shielding equipment allows an adequate administration of relatively large volumes (100ml) of90Y/111In labeled pharmaceuticals to patients.
Conclusions
The procedures described combine pharmaceutical (Good Manufacturing Practice) and radiation safety requirements with an accurate logging of relevant data.
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van Hemert, F.J., Sloof, G.W., Schimmel, K.J.M. et al. Radiopharmaceutical management of90Y/111In labeled antibodies: shielding and quantification during preparation and administration. Ann Nucl Med 20, 575–581 (2006). https://doi.org/10.1007/BF03026825
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DOI: https://doi.org/10.1007/BF03026825