How is intravesical instillation of bacillus Calmette-Guérin (BCG) vaccine or chemotherapy administered in the treatment of bladder cancer?

Updated: Feb 23, 2021
  • Author: Kara N Babaian, MD, FACS; Chief Editor: Bradley Fields Schwartz, DO, FACS  more...
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The intravesical instillation of either BCG vaccine or chemotherapy is initiated approximately 2-4 weeks following endoscopic resection of any visible papillary tumors or bladder biopsies. By that time, the bladder has usually healed enough to avoid systemic distribution of the vaccine organism.

See Bacillus Calmette-Guérin Immunotherapy for Bladder Cancer for more information on this topic.

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