Intravesical therapy with the alpha-emitter-immunoconjugate 213Bi-anti-EGFR-mAb is a promising new approach to reduce the very high recurrence rates after transurethral resection of non-muscle-invasive urothelial carcinomas of the bladder. For toxicity evaluation of this therapy, bladders and kidneys of swiss nu/nu-mice were histopathologically examined 300 days after intravesical instillation of different activities of Bi-213-anti-EGFR-mAb. Within the therapeutic range of 0,925 and 2 x 0,925 MBq respectively, discrete lymphocytic infiltrates in bladders and kidneys were observed. In swiss nu/nu-mice, the intravesical therapy with 213Bi-anti-EGFR-mAb is thus accompanied by acceptable, if any, side effects on bladders and kidneys.
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Intravesical therapy with the alpha-emitter-immunoconjugate 213Bi-anti-EGFR-mAb is a promising new approach to reduce the very high recurrence rates after transurethral resection of non-muscle-invasive urothelial carcinomas of the bladder. For toxicity evaluation of this therapy, bladders and kidneys of swiss nu/nu-mice were histopathologically examined 300 days after intravesical instillation of different activities of Bi-213-anti-EGFR-mAb. Within the therapeutic range of 0,925 and 2 x 0,925 MB...
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