Transitional cell carcinoma medical therapy

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Treatment options

Treatment depends on the stage of the cancer, the severity of your symptoms, and your overall health.

  • Stage 0 and I treatments:
    • Surgery to remove the tumor without removing the rest of the bladder

Chemotherapy or immunotherapy directly into the bladder

  • Stage II and III treatments:
    • Surgery to remove the entire bladder (radical cystectomy)
    • Surgery to remove only part of the bladder, followed by radiation and chemotherapy
    • Chemotherapy to shrink the tumor before surgery
    • A combination of chemotherapy and radiation (in patients who choose not to have surgery or who cannot have surgery)

Most patients with stage IV tumors cannot be cured and surgery is not appropriate. In these patients, chemotherapy is often considered.

CHEMOTHERAPY

  • Chemotherapy may be given to patients with stage II and III disease either before or after surgery to help prevent the tumor from returning.
  • For early disease (stages 0 and I), chemotherapy is usually given directly into the bladder.
  • Intravesical chemotherapy[1]
  • During intravesical chemotherapy, the drugs are placed into the bladder through a urinary catheter.
  • Intravesical chemotherapy may be given instead of BCG or if the bladder cancer doesn’t respond to BCG.
  • Mitomycin is the drug most often used in intravesical chemotherapy.
  • Systemic chemotherapy
  • During systemic chemotherapy, the drugs are given intravenously.
  • Systemic chemotherapy may be a treatment option for bladder cancer that has spread to other tissues near the bladder and bladder cancer that has spread to other parts of the body.
  • Chemotherapy is recommended before a radical cystectomy (called neoadjuvant chemotherapy) for many people with bladder cancer that has grown into the muscle layer of the bladder wall. It is also often given after a radical cystectomy (called adjuvant chemotherapy) to people with high-risk features such as cancer that has spread to lymph nodes.

Immunotherapy

  • Immunotherapy is a type of biological therapy that uses the immune system to help destroy cancer cells.[1]
  • Bacillus Calmette–Guérin (BCG)
  • Immunotherapy by intravesicular delivery of Bacillus Calmette–Guérin (BCG) is often used to treat and prevent the recurrence of superficial tumors.[2]
  • BCG is a vaccine against tuberculosis that is prepared from attenuated live Mycobacterium bovis, that has lost its virulence in humans. BCG immunotherapy is effective in up to 2/3 of the cases at this stage, and in randomized trials has been shown to be superior to standard chemotherapy.[3]
  • The mechanism by which BCG prevents recurrence is unknown, but the presence of bacteria in the bladder may trigger a localized immune reaction which clears residual cancer cells.[4]


Immunotherapy for bladder cancer is usually performed using the Bacille Calmette-Guerin vaccine (commonly known as BCG). It is given through a Foley catheter directly into the bladder. If BCG does not work, patients may receive interferon.

As with all treatments, side effects are possible. Ask your doctor what side effects you might expect, and what to do if they occur.

References

  1. 1.0 1.1 Bladder Cancer. Canadian Cancer Society 2015. http://www.cancer.ca/en/cancer-information/cancer-type/bladder/treatment/?region=ab Accessed on October, 7 2015
  2. Alexandroff AB, Jackson AM, O'Donnell MA, James K (May 1999). "BCG immunotherapy of bladder cancer: 20 years on". Lancet. 353 (9165): 1689–94. doi:10.1016/S0140-6736(98)07422-4. PMID 10335805.
  3. Lamm, Donald L.; Blumenstein, Brent A.; Crawford, E. David; Montie, James E.; Scardino, Peter; Grossman, H. Barton; Stanisic, Thomas H.; Smith Jr, Joseph A.; Sullivan, Jerry; Sarosdy, Michael F.; Crissman, John D.; Coltman, Charles A. (1991). "A Randomized Trial of Intravesical Doxorubicin and Immunotherapy with Bacille Calmette–Guérin for Transitional-Cell Carcinoma of the Bladder". New England Journal of Medicine. 325 (17): 1205–9. doi:10.1056/NEJM199110243251703. PMC 1164610. PMID 1922207.
  4. Bacillus Calmette-Guerin (BCG) for Bladder Cancer

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