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INTRODUCTION Radiolabeled bombesin (BN) conjugates are promising radiotracers for imaging and therapy of breast and prostate tumors in which BN(2)/gastrin-releasing peptide (GRP) receptors are overexpressed. However, the low in vivo stability of BN conjugates may limit their clinical application. In an attempt to improve their pharmacokinetics and(More)
The overexpression of peptide receptors in a variety of human carcinomas has generated considerable interest in peptide-based radiopharmaceuticals for peptide receptor imaging and peptide receptor radiotherapy. The gastrin-releasing peptide receptor is overexpressed in human prostate-, breast-, colon- and small cell lung carcinoma cells. We have developed(More)
BACKGROUND Radiolabelled bombesin (BN) conjugates are promising radiotracers for imaging and therapy of breast and prostate tumours, in which BN2/gastrin-releasing peptide receptors are overexpressed. We describe the influence of the specific activity of a 177Lu-DOTA-PEG5k-Lys-B analogue on its therapeutic efficacy and compare it with its non-PEGylated(More)
Radiodiagnostically relevant normal values and variations for measurements of the cervical region, the arithmetical average and the standard deviation were determined from adequate computer tomograms on 60 healthy women and men, aged 20 to 83 years. The sagittal diameter of the prevertebral soft tissue and the lumina of the upper respiratory tract were(More)
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