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FOR PATIENTS · SOURCE READING

Intravesical immunotherapy

Source: Bladder Cancer Treatment, National Cancer Institute.

Source updated: September 12, 2024 · Captured 2026-09-09.

Selected source text with whitespace normalised. This Triangle page is not an NCI PDQ summary. Independent clinical review is pending.

Context: Immunotherapy

BCG (bacillus Calmette-Guérin), nadofaragene firadenovec-vncg, and nogapendekin alfa inbakicept-pmln are intravesical immunotherapy drugs used to treat bladder cancer. They are given in a solution that is placed directly into the bladder using a catheter (thin tube). Intravesical treatments flush the bladder with drugs that kill cancer cells that remain after surgery. This lowers the chance of the cancer coming back.

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Learn more about Immunotherapy to Treat Cancer and Immunotherapy Side Effects.

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Preserved source evidence · Independent clinical review pending · Not medical advice