Summary
Immunostimulation with agents such as BCG or KLH may represent an adjuvant therapy in treating patients with bladder cancer. To investigate the effects of direct instillation and injection of KLH into the bladder of sensitized and nonsensitized rats, KLH was injected submucosally into the bladder. Histologically, a marked inflammatory reaction was seen without ulcerations.
KLH seems to give a more predictable reaction without the BCG side effects. Intralesional application of KLH, which is now in a clinical trial, may play a role in the treatment of bladder cancer after transurethral resection of the tumor.
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Klippel, K.F., Paulini, G. & Hutschenreiter, G. The effect of Keyhole Limpet Hemocyanin (KLH) on the rat bladder. Cancer Immunol Immunother 3, 65–67 (1977). https://doi.org/10.1007/BF00199328
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DOI: https://doi.org/10.1007/BF00199328